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authorKyle Lahnakoski <klahnakoski@mozilla.com>2019-10-21 23:42:51 -0400
committerPaul McGuire <ptmcg@users.noreply.github.com>2019-10-21 22:42:51 -0500
commit3481b6f3f9bb2dae7e9d88ed08989b5f71238e4b (patch)
tree7c8174b8d9b45ab39cb9119c579fe12c819c6dd2 /unitTests.py
parent87d14e7ef563263417d3fddccd25636741c5b6c2 (diff)
downloadpyparsing-git-3481b6f3f9bb2dae7e9d88ed08989b5f71238e4b.tar.gz
refactor tests into tests directory (#130)
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-# -*- coding: utf-8 -*-
-#
-# unitTests.py
-#
-# Unit tests for pyparsing module
-#
-# Copyright 2002-2019, Paul McGuire
-#
-#
-from unittest import TestCase, TestSuite, TextTestRunner
-import datetime
-from pyparsing import ParseException
-import pyparsing as pp
-ppt = pp.pyparsing_test
-import sys
-from io import StringIO
-
-
-# see which Python implementation we are running
-CPYTHON_ENV = (sys.platform == "win32")
-IRON_PYTHON_ENV = (sys.platform == "cli")
-JYTHON_ENV = sys.platform.startswith("java")
-
-TEST_USING_PACKRAT = True
-#~ TEST_USING_PACKRAT = False
-
-VERBOSE = True
-
-# simple utility for flattening nested lists
-def flatten(L):
- if type(L) is not list: return [L]
- if L == []: return L
- return flatten(L[0]) + flatten(L[1:])
-
-"""
-class ParseTest(TestCase):
- def setUp(self):
- pass
-
- def runTest(self):
- self.assertTrue(1==1, "we've got bigger problems...")
-
- def tearDown(self):
- pass
-"""
-
-class resetting(object):
- def __init__(self, *args):
- ob = args[0]
- attrnames = args[1:]
- self.ob = ob
- self.save_attrs = attrnames
- self.save_values = [getattr(ob, attrname) for attrname in attrnames]
-
- def __enter__(self):
- pass
-
- def __exit__(self, *args):
- for attr, value in zip(self.save_attrs, self.save_values):
- setattr(self.ob, attr, value)
-
-BUFFER_OUTPUT = True
-
-class ParseTestCase(ppt.ParseResultsAsserts, TestCase):
- def __init__(self):
- super().__init__(methodName='_runTest')
-
- def _runTest(self):
-
- buffered_stdout = StringIO()
-
- try:
- with resetting(sys, 'stdout', 'stderr'):
- try:
- if BUFFER_OUTPUT:
- sys.stdout = buffered_stdout
- sys.stderr = buffered_stdout
- print(">>>> Starting test", str(self))
- with ppt.reset_pyparsing_context():
- self.runTest()
-
- finally:
- print("<<<< End of test", str(self))
- print()
-
- except Exception as exc:
- if BUFFER_OUTPUT:
- print()
- print(buffered_stdout.getvalue())
- raise
-
- def runTest(self):
- pass
-
- def __str__(self):
- return self.__class__.__name__
-
-class PyparsingTestInit(ParseTestCase):
- def setUp(self):
- from pyparsing import __version__ as pyparsingVersion, __versionTime__ as pyparsingVersionTime
- print("Beginning test of pyparsing, version", pyparsingVersion, pyparsingVersionTime)
- print("Python version", sys.version)
- def tearDown(self):
- pass
-
-
-class UpdateDefaultWhitespaceTest(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
-
- prev_default_whitespace_chars = pp.ParserElement.DEFAULT_WHITE_CHARS
- try:
- pp.dblQuotedString.copyDefaultWhiteChars = False
- pp.ParserElement.setDefaultWhitespaceChars(" \t")
- self.assertEqual(set(pp.sglQuotedString.whiteChars), set(" \t"),
- "setDefaultWhitespaceChars did not update sglQuotedString")
- self.assertEqual(set(pp.dblQuotedString.whiteChars), set(prev_default_whitespace_chars),
- "setDefaultWhitespaceChars updated dblQuotedString but should not")
- finally:
- pp.dblQuotedString.copyDefaultWhiteChars = True
- pp.ParserElement.setDefaultWhitespaceChars(prev_default_whitespace_chars)
-
- self.assertEqual(set(pp.dblQuotedString.whiteChars), set(prev_default_whitespace_chars),
- "setDefaultWhitespaceChars updated dblQuotedString")
-
- try:
- pp.ParserElement.setDefaultWhitespaceChars(" \t")
- self.assertNotEqual(set(pp.dblQuotedString.whiteChars), set(prev_default_whitespace_chars),
- "setDefaultWhitespaceChars updated dblQuotedString but should not")
-
- EOL = pp.LineEnd().suppress().setName("EOL")
-
- # Identifiers is a string + optional $
- identifier = pp.Combine(pp.Word(pp.alphas) + pp.Optional("$"))
-
- # Literals (number or double quoted string)
- literal = pp.pyparsing_common.number | pp.dblQuotedString
- expression = literal | identifier
- # expression.setName("expression").setDebug()
- # pp.pyparsing_common.number.setDebug()
- # pp.pyparsing_common.integer.setDebug()
-
- line_number = pp.pyparsing_common.integer
-
- # Keywords
- PRINT = pp.CaselessKeyword("print")
- print_stmt = PRINT - pp.ZeroOrMore(expression | ";")
- statement = print_stmt
- code_line = pp.Group(line_number + statement + EOL)
- program = pp.ZeroOrMore(code_line)
-
- test = """\
- 10 print 123;
- 20 print 234; 567;
- 30 print 890
- """
-
- parsed_program = program.parseString(test)
- print(parsed_program.dump())
- self.assertEqual(len(parsed_program), 3, "failed to apply new whitespace chars to existing builtins")
-
- finally:
- pp.ParserElement.setDefaultWhitespaceChars(prev_default_whitespace_chars)
-
-class UpdateDefaultWhitespace2Test(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
- ppc = pp.pyparsing_common
-
- prev_default_whitespace_chars = pp.ParserElement.DEFAULT_WHITE_CHARS
- try:
- expr_tests = [
- (pp.dblQuotedString, '"abc"'),
- (pp.sglQuotedString, "'def'"),
- (ppc.integer, "123"),
- (ppc.number, "4.56"),
- (ppc.identifier, "a_bc"),
- ]
- NL = pp.LineEnd()
-
- for expr, test_str in expr_tests:
- parser = pp.Group(expr[1, ...] + pp.Optional(NL))[1, ...]
- test_string = '\n'.join([test_str]*3)
- result = parser.parseString(test_string, parseAll=True)
- print(result.dump())
- self.assertEqual(len(result), 1, "failed {!r}".format(test_string))
-
- pp.ParserElement.setDefaultWhitespaceChars(" \t")
-
- for expr, test_str in expr_tests:
- parser = pp.Group(expr[1, ...] + pp.Optional(NL))[1, ...]
- test_string = '\n'.join([test_str]*3)
- result = parser.parseString(test_string, parseAll=True)
- print(result.dump())
- self.assertEqual(len(result), 3, "failed {!r}".format(test_string))
-
- pp.ParserElement.setDefaultWhitespaceChars(" \n\t")
-
- for expr, test_str in expr_tests:
- parser = pp.Group(expr[1, ...] + pp.Optional(NL))[1, ...]
- test_string = '\n'.join([test_str]*3)
- result = parser.parseString(test_string, parseAll=True)
- print(result.dump())
- self.assertEqual(len(result), 1, "failed {!r}".format(test_string))
-
- finally:
- pp.ParserElement.setDefaultWhitespaceChars(prev_default_whitespace_chars)
-
-class ParseFourFnTest(ParseTestCase):
- def runTest(self):
- import examples.fourFn as fourFn
- import math
- def test(s, ans):
- fourFn.exprStack[:] = []
- results = fourFn.BNF().parseString(s)
- try:
- resultValue = fourFn.evaluate_stack(fourFn.exprStack)
- except Exception:
- self.assertIsNone(ans, "exception raised for expression {!r}".format(s))
- else:
- self.assertTrue(resultValue == ans, "failed to evaluate %s, got %f" % (s, resultValue))
- print(s, "->", resultValue)
-
- test("9", 9)
- test("-9", -9)
- test("--9", 9)
- test("-E", -math.e)
- test("9 + 3 + 6", 9 + 3 + 6)
- test("9 + 3 / 11", 9 + 3.0 / 11)
- test("(9 + 3)", (9 + 3))
- test("(9+3) / 11", (9 + 3.0) / 11)
- test("9 - 12 - 6", 9 - 12 - 6)
- test("9 - (12 - 6)", 9 - (12 - 6))
- test("2*3.14159", 2 * 3.14159)
- test("3.1415926535*3.1415926535 / 10", 3.1415926535 * 3.1415926535 / 10)
- test("PI * PI / 10", math.pi * math.pi / 10)
- test("PI*PI/10", math.pi * math.pi / 10)
- test("PI^2", math.pi ** 2)
- test("round(PI^2)", round(math.pi ** 2))
- test("6.02E23 * 8.048", 6.02E23 * 8.048)
- test("e / 3", math.e / 3)
- test("sin(PI/2)", math.sin(math.pi / 2))
- test("10+sin(PI/4)^2", 10 + math.sin(math.pi / 4) ** 2)
- test("trunc(E)", int(math.e))
- test("trunc(-E)", int(-math.e))
- test("round(E)", round(math.e))
- test("round(-E)", round(-math.e))
- test("E^PI", math.e ** math.pi)
- test("exp(0)", 1)
- test("exp(1)", math.e)
- test("2^3^2", 2 ** 3 ** 2)
- test("(2^3)^2", (2 ** 3) ** 2)
- test("2^3+2", 2 ** 3 + 2)
- test("2^3+5", 2 ** 3 + 5)
- test("2^9", 2 ** 9)
- test("sgn(-2)", -1)
- test("sgn(0)", 0)
- test("sgn(0.1)", 1)
- test("foo(0.1)", None)
- test("round(E, 3)", round(math.e, 3))
- test("round(PI^2, 3)", round(math.pi ** 2, 3))
- test("sgn(cos(PI/4))", 1)
- test("sgn(cos(PI/2))", 0)
- test("sgn(cos(PI*3/4))", -1)
- test("+(sgn(cos(PI/4)))", 1)
- test("-(sgn(cos(PI/4)))", -1)
-
-class ParseSQLTest(ParseTestCase):
- def runTest(self):
- import examples.simpleSQL as simpleSQL
-
- def test(s, numToks, errloc=-1):
- try:
- sqlToks = flatten(simpleSQL.simpleSQL.parseString(s).asList())
- print(s, sqlToks, len(sqlToks))
- self.assertEqual(len(sqlToks), numToks,
- "invalid parsed tokens, expected {}, found {} ({})".format(numToks,
- len(sqlToks),
- sqlToks))
- except ParseException as e:
- if errloc >= 0:
- self.assertEqual(e.loc, errloc, "expected error at {}, found at {}".format(errloc, e.loc))
-
- test("SELECT * from XYZZY, ABC", 6)
- test("select * from SYS.XYZZY", 5)
- test("Select A from Sys.dual", 5)
- test("Select A,B,C from Sys.dual", 7)
- test("Select A, B, C from Sys.dual", 7)
- test("Select A, B, C from Sys.dual, Table2 ", 8)
- test("Xelect A, B, C from Sys.dual", 0, 0)
- test("Select A, B, C frox Sys.dual", 0, 15)
- test("Select", 0, 6)
- test("Select &&& frox Sys.dual", 0, 7)
- test("Select A from Sys.dual where a in ('RED','GREEN','BLUE')", 12)
- test("Select A from Sys.dual where a in ('RED','GREEN','BLUE') and b in (10,20,30)", 20)
- test("Select A,b from table1,table2 where table1.id eq table2.id -- test out comparison operators", 10)
-
-class ParseConfigFileTest(ParseTestCase):
- def runTest(self):
- from examples import configParse
-
- def test(fnam, numToks, resCheckList):
- print("Parsing", fnam, "...", end=' ')
- with open(fnam) as infile:
- iniFileLines = "\n".join(infile.read().splitlines())
- iniData = configParse.inifile_BNF().parseString(iniFileLines)
- print(len(flatten(iniData.asList())))
- print(list(iniData.keys()))
- self.assertEqual(len(flatten(iniData.asList())), numToks, "file %s not parsed correctly" % fnam)
- for chk in resCheckList:
- var = iniData
- for attr in chk[0].split('.'):
- var = getattr(var, attr)
- print(chk[0], var, chk[1])
- self.assertEqual(var, chk[1],
- "ParseConfigFileTest: failed to parse ini {!r} as expected {}, found {}".format(chk[0],
- chk[1],
- var))
- print("OK")
-
- test("test/karthik.ini", 23,
- [ ("users.K", "8"),
- ("users.mod_scheme", "'QPSK'"),
- ("users.Na", "K+2") ]
- )
- test("examples/Setup.ini", 125,
- [ ("Startup.audioinf", "M3i"),
- ("Languages.key1", "0x0003"),
- ("test.foo", "bar") ])
-
-class ParseJSONDataTest(ParseTestCase):
- def runTest(self):
- from examples.jsonParser import jsonObject
- from test.jsonParserTests import test1, test2, test3, test4, test5
-
- expected = [
- [['glossary',
- [['title', 'example glossary'],
- ['GlossDiv',
- [['title', 'S'],
- ['GlossList',
- [[['ID', 'SGML'],
- ['SortAs', 'SGML'],
- ['GlossTerm', 'Standard Generalized Markup Language'],
- ['Acronym', 'SGML'],
- ['LargestPrimeLessThan100', 97],
- ['AvogadroNumber', 6.02e+23],
- ['EvenPrimesGreaterThan2', None],
- ['PrimesLessThan10', [2, 3, 5, 7]],
- ['WMDsFound', False],
- ['IraqAlQaedaConnections', None],
- ['Abbrev', 'ISO 8879:1986'],
- ['GlossDef',
- 'A meta-markup language, used to create markup languages such as '
- 'DocBook.'],
- ['GlossSeeAlso', ['GML', 'XML', 'markup']],
- ['EmptyDict', []],
- ['EmptyList', [[]]]]]]]]]
- ]]
- ,
- [['menu',
- [['id', 'file'],
- ['value', 'File:'],
- ['popup',
- [['menuitem',
- [[['value', 'New'], ['onclick', 'CreateNewDoc()']],
- [['value', 'Open'], ['onclick', 'OpenDoc()']],
- [['value', 'Close'], ['onclick', 'CloseDoc()']]]]]]]]]
- ,
- [['widget',
- [['debug', 'on'],
- ['window',
- [['title', 'Sample Konfabulator Widget'],
- ['name', 'main_window'],
- ['width', 500],
- ['height', 500]]],
- ['image',
- [['src', 'Images/Sun.png'],
- ['name', 'sun1'],
- ['hOffset', 250],
- ['vOffset', 250],
- ['alignment', 'center']]],
- ['text',
- [['data', 'Click Here'],
- ['size', 36],
- ['style', 'bold'],
- ['name', 'text1'],
- ['hOffset', 250],
- ['vOffset', 100],
- ['alignment', 'center'],
- ['onMouseUp', 'sun1.opacity = (sun1.opacity / 100) * 90;']]]]]]
- ,
- [['web-app',
- [['servlet',
- [[['servlet-name', 'cofaxCDS'],
- ['servlet-class', 'org.cofax.cds.CDSServlet'],
- ['init-param',
- [['configGlossary:installationAt', 'Philadelphia, PA'],
- ['configGlossary:adminEmail', 'ksm@pobox.com'],
- ['configGlossary:poweredBy', 'Cofax'],
- ['configGlossary:poweredByIcon', '/images/cofax.gif'],
- ['configGlossary:staticPath', '/content/static'],
- ['templateProcessorClass', 'org.cofax.WysiwygTemplate'],
- ['templateLoaderClass', 'org.cofax.FilesTemplateLoader'],
- ['templatePath', 'templates'],
- ['templateOverridePath', ''],
- ['defaultListTemplate', 'listTemplate.htm'],
- ['defaultFileTemplate', 'articleTemplate.htm'],
- ['useJSP', False],
- ['jspListTemplate', 'listTemplate.jsp'],
- ['jspFileTemplate', 'articleTemplate.jsp'],
- ['cachePackageTagsTrack', 200],
- ['cachePackageTagsStore', 200],
- ['cachePackageTagsRefresh', 60],
- ['cacheTemplatesTrack', 100],
- ['cacheTemplatesStore', 50],
- ['cacheTemplatesRefresh', 15],
- ['cachePagesTrack', 200],
- ['cachePagesStore', 100],
- ['cachePagesRefresh', 10],
- ['cachePagesDirtyRead', 10],
- ['searchEngineListTemplate', 'forSearchEnginesList.htm'],
- ['searchEngineFileTemplate', 'forSearchEngines.htm'],
- ['searchEngineRobotsDb', 'WEB-INF/robots.db'],
- ['useDataStore', True],
- ['dataStoreClass', 'org.cofax.SqlDataStore'],
- ['redirectionClass', 'org.cofax.SqlRedirection'],
- ['dataStoreName', 'cofax'],
- ['dataStoreDriver', 'com.microsoft.jdbc.sqlserver.SQLServerDriver'],
- ['dataStoreUrl',
- 'jdbc:microsoft:sqlserver://LOCALHOST:1433;DatabaseName=goon'],
- ['dataStoreUser', 'sa'],
- ['dataStorePassword', 'dataStoreTestQuery'],
- ['dataStoreTestQuery', "SET NOCOUNT ON;select test='test';"],
- ['dataStoreLogFile', '/usr/local/tomcat/logs/datastore.log'],
- ['dataStoreInitConns', 10],
- ['dataStoreMaxConns', 100],
- ['dataStoreConnUsageLimit', 100],
- ['dataStoreLogLevel', 'debug'],
- ['maxUrlLength', 500]]]],
- [['servlet-name', 'cofaxEmail'],
- ['servlet-class', 'org.cofax.cds.EmailServlet'],
- ['init-param', [['mailHost', 'mail1'], ['mailHostOverride', 'mail2']]]],
- [['servlet-name', 'cofaxAdmin'],
- ['servlet-class', 'org.cofax.cds.AdminServlet']],
- [['servlet-name', 'fileServlet'],
- ['servlet-class', 'org.cofax.cds.FileServlet']],
- [['servlet-name', 'cofaxTools'],
- ['servlet-class', 'org.cofax.cms.CofaxToolsServlet'],
- ['init-param',
- [['templatePath', 'toolstemplates/'],
- ['log', 1],
- ['logLocation', '/usr/local/tomcat/logs/CofaxTools.log'],
- ['logMaxSize', ''],
- ['dataLog', 1],
- ['dataLogLocation', '/usr/local/tomcat/logs/dataLog.log'],
- ['dataLogMaxSize', ''],
- ['removePageCache', '/content/admin/remove?cache=pages&id='],
- ['removeTemplateCache', '/content/admin/remove?cache=templates&id='],
- ['fileTransferFolder',
- '/usr/local/tomcat/webapps/content/fileTransferFolder'],
- ['lookInContext', 1],
- ['adminGroupID', 4],
- ['betaServer', True]]]]]],
- ['servlet-mapping',
- [['cofaxCDS', '/'],
- ['cofaxEmail', '/cofaxutil/aemail/*'],
- ['cofaxAdmin', '/admin/*'],
- ['fileServlet', '/static/*'],
- ['cofaxTools', '/tools/*']]],
- ['taglib',
- [['taglib-uri', 'cofax.tld'],
- ['taglib-location', '/WEB-INF/tlds/cofax.tld']]]]]]
- ,
- [['menu',
- [['header', 'SVG Viewer'],
- ['items',
- [[['id', 'Open']],
- [['id', 'OpenNew'], ['label', 'Open New']],
- None,
- [['id', 'ZoomIn'], ['label', 'Zoom In']],
- [['id', 'ZoomOut'], ['label', 'Zoom Out']],
- [['id', 'OriginalView'], ['label', 'Original View']],
- None,
- [['id', 'Quality']],
- [['id', 'Pause']],
- [['id', 'Mute']],
- None,
- [['id', 'Find'], ['label', 'Find...']],
- [['id', 'FindAgain'], ['label', 'Find Again']],
- [['id', 'Copy']],
- [['id', 'CopyAgain'], ['label', 'Copy Again']],
- [['id', 'CopySVG'], ['label', 'Copy SVG']],
- [['id', 'ViewSVG'], ['label', 'View SVG']],
- [['id', 'ViewSource'], ['label', 'View Source']],
- [['id', 'SaveAs'], ['label', 'Save As']],
- None,
- [['id', 'Help']],
- [['id', 'About'], ['label', 'About Adobe CVG Viewer...']]]]]]]
- ,
- ]
-
- for t, exp in zip((test1, test2, test3, test4, test5), expected):
- result = jsonObject.parseString(t)
- result.pprint()
- self.assertEqual(result.asList(), exp, "failed test {}".format(t))
-
-class ParseCommaSeparatedValuesTest(ParseTestCase):
- def runTest(self):
- from pyparsing import pyparsing_common as ppc
-
- testData = [
- "a,b,c,100.2,,3",
- "d, e, j k , m ",
- "'Hello, World', f, g , , 5.1,x",
- "John Doe, 123 Main St., Cleveland, Ohio",
- "Jane Doe, 456 St. James St., Los Angeles , California ",
- "",
- ]
- testVals = [
- [(3, '100.2'), (4, ''), (5, '3')],
- [(2, 'j k'), (3, 'm')],
- [(0, "'Hello, World'"), (2, 'g'), (3, '')],
- [(0, 'John Doe'), (1, '123 Main St.'), (2, 'Cleveland'), (3, 'Ohio')],
- [(0, 'Jane Doe'), (1, '456 St. James St.'), (2, 'Los Angeles'), (3, 'California')]
- ]
- for line, tests in zip(testData, testVals):
- print("Parsing: %r ->" % line, end=' ')
- results = ppc.comma_separated_list.parseString(line)
- print(results)
- for t in tests:
- if not(len(results) > t[0] and results[t[0]] == t[1]):
- print("$$$", results.dump())
- print("$$$", results[0])
- self.assertTrue(len(results) > t[0] and results[t[0]] == t[1],
- "failed on %s, item %d s/b '%s', got '%s'" % (line, t[0], t[1], str(results.asList())))
-
-class ParseEBNFTest(ParseTestCase):
- def runTest(self):
- from examples import ebnf
- from pyparsing import Word, quotedString, alphas, nums
-
- print('Constructing EBNF parser with pyparsing...')
-
- grammar = '''
- syntax = (syntax_rule), {(syntax_rule)};
- syntax_rule = meta_identifier, '=', definitions_list, ';';
- definitions_list = single_definition, {'|', single_definition};
- single_definition = syntactic_term, {',', syntactic_term};
- syntactic_term = syntactic_factor,['-', syntactic_factor];
- syntactic_factor = [integer, '*'], syntactic_primary;
- syntactic_primary = optional_sequence | repeated_sequence |
- grouped_sequence | meta_identifier | terminal_string;
- optional_sequence = '[', definitions_list, ']';
- repeated_sequence = '{', definitions_list, '}';
- grouped_sequence = '(', definitions_list, ')';
- (*
- terminal_string = "'", character - "'", {character - "'"}, "'" |
- '"', character - '"', {character - '"'}, '"';
- meta_identifier = letter, {letter | digit};
- integer = digit, {digit};
- *)
- '''
-
- table = {}
- table['terminal_string'] = quotedString
- table['meta_identifier'] = Word(alphas + "_", alphas + "_" + nums)
- table['integer'] = Word(nums)
-
- print('Parsing EBNF grammar with EBNF parser...')
- parsers = ebnf.parse(grammar, table)
- ebnf_parser = parsers['syntax']
- print("-", "\n- ".join(parsers.keys()))
- self.assertEqual(len(list(parsers.keys())), 13, "failed to construct syntax grammar")
-
- print('Parsing EBNF grammar with generated EBNF parser...')
- parsed_chars = ebnf_parser.parseString(grammar)
- parsed_char_len = len(parsed_chars)
-
- print("],\n".join(str(parsed_chars.asList()).split("],")))
- self.assertEqual(len(flatten(parsed_chars.asList())), 98, "failed to tokenize grammar correctly")
-
-
-class ParseIDLTest(ParseTestCase):
- def runTest(self):
- from examples import idlParse
-
- def test(strng, numToks, errloc=0):
- print(strng)
- try:
- bnf = idlParse.CORBA_IDL_BNF()
- tokens = bnf.parseString(strng)
- print("tokens = ")
- tokens.pprint()
- tokens = flatten(tokens.asList())
- print(len(tokens))
- self.assertEqual(len(tokens), numToks, "error matching IDL string, %s -> %s" % (strng, str(tokens)))
- except ParseException as err:
- print(err.line)
- print(" " * (err.column-1) + "^")
- print(err)
- self.assertEqual(numToks, 0, "unexpected ParseException while parsing %s, %s" % (strng, str(err)))
- self.assertEqual(err.loc, errloc,
- "expected ParseException at %d, found exception at %d" % (errloc, err.loc))
-
- test(
- """
- /*
- * a block comment *
- */
- typedef string[10] tenStrings;
- typedef sequence<string> stringSeq;
- typedef sequence< sequence<string> > stringSeqSeq;
-
- interface QoSAdmin {
- stringSeq method1(in string arg1, inout long arg2);
- stringSeqSeq method2(in string arg1, inout long arg2, inout long arg3);
- string method3();
- };
- """, 59
- )
- test(
- """
- /*
- * a block comment *
- */
- typedef string[10] tenStrings;
- typedef
- /** ** *** **** *
- * a block comment *
- */
- sequence<string> /*comment inside an And */ stringSeq;
- /* */ /**/ /***/ /****/
- typedef sequence< sequence<string> > stringSeqSeq;
-
- interface QoSAdmin {
- stringSeq method1(in string arg1, inout long arg2);
- stringSeqSeq method2(in string arg1, inout long arg2, inout long arg3);
- string method3();
- };
- """, 59
- )
- test(
- r"""
- const string test="Test String\n";
- const long a = 0;
- const long b = -100;
- const float c = 3.14159;
- const long d = 0x007f7f7f;
- exception TestException
- {
- string msg;
- sequence<string> dataStrings;
- };
-
- interface TestInterface
- {
- void method1(in string arg1, inout long arg2);
- };
- """, 60
- )
- test(
- """
- module Test1
- {
- exception TestException
- {
- string msg;
- ];
-
- interface TestInterface
- {
- void method1(in string arg1, inout long arg2)
- raises (TestException);
- };
- };
- """, 0, 56
- )
- test(
- """
- module Test1
- {
- exception TestException
- {
- string msg;
- };
-
- };
- """, 13
- )
-
-class ParseVerilogTest(ParseTestCase):
- def runTest(self):
- pass
-
-class ScanStringTest(ParseTestCase):
- def runTest(self):
- from pyparsing import Word, Combine, Suppress, CharsNotIn, nums, StringEnd
- testdata = """
- <table border="0" cellpadding="3" cellspacing="3" frame="" width="90%">
- <tr align="left" valign="top">
- <td><b>Name</b></td>
- <td><b>IP Address</b></td>
- <td><b>Location</b></td>
- </tr>
- <tr align="left" valign="top" bgcolor="#c7efce">
- <td>time-a.nist.gov</td>
- <td>129.6.15.28</td>
- <td>NIST, Gaithersburg, Maryland</td>
- </tr>
- <tr align="left" valign="top">
- <td>time-b.nist.gov</td>
- <td>129.6.15.29</td>
- <td>NIST, Gaithersburg, Maryland</td>
- </tr>
- <tr align="left" valign="top" bgcolor="#c7efce">
- <td>time-a.timefreq.bldrdoc.gov</td>
- <td>132.163.4.101</td>
- <td>NIST, Boulder, Colorado</td>
- </tr>
- <tr align="left" valign="top">
- <td>time-b.timefreq.bldrdoc.gov</td>
- <td>132.163.4.102</td>
- <td>NIST, Boulder, Colorado</td>
- </tr>
- <tr align="left" valign="top" bgcolor="#c7efce">
- <td>time-c.timefreq.bldrdoc.gov</td>
- <td>132.163.4.103</td>
- <td>NIST, Boulder, Colorado</td>
- </tr>
- </table>
- """
- integer = Word(nums)
- ipAddress = Combine(integer + "." + integer + "." + integer + "." + integer)
- tdStart = Suppress("<td>")
- tdEnd = Suppress("</td>")
- timeServerPattern = (tdStart + ipAddress("ipAddr") + tdEnd
- + tdStart + CharsNotIn("<")("loc") + tdEnd)
- servers = [srvr.ipAddr for srvr, startloc, endloc in timeServerPattern.scanString(testdata)]
-
- print(servers)
- self.assertEqual(servers,
- ['129.6.15.28', '129.6.15.29', '132.163.4.101', '132.163.4.102', '132.163.4.103'],
- "failed scanString()")
-
- # test for stringEnd detection in scanString
- foundStringEnds = [r for r in StringEnd().scanString("xyzzy")]
- print(foundStringEnds)
- self.assertTrue(foundStringEnds, "Failed to find StringEnd in scanString")
-
-class QuotedStringsTest(ParseTestCase):
- def runTest(self):
- from pyparsing import sglQuotedString, dblQuotedString, quotedString, QuotedString
- testData = \
- """
- 'a valid single quoted string'
- 'an invalid single quoted string
- because it spans lines'
- "a valid double quoted string"
- "an invalid double quoted string
- because it spans lines"
- """
- print(testData)
-
- sglStrings = [(t[0], b, e) for (t, b, e) in sglQuotedString.scanString(testData)]
- print(sglStrings)
- self.assertTrue(len(sglStrings) == 1 and (sglStrings[0][1] == 17 and sglStrings[0][2] == 47),
- "single quoted string failure")
-
- dblStrings = [(t[0], b, e) for (t, b, e) in dblQuotedString.scanString(testData)]
- print(dblStrings)
- self.assertTrue(len(dblStrings) == 1 and (dblStrings[0][1] == 154 and dblStrings[0][2] == 184),
- "double quoted string failure")
-
- allStrings = [(t[0], b, e) for (t, b, e) in quotedString.scanString(testData)]
- print(allStrings)
- self.assertTrue(len(allStrings) == 2
- and (allStrings[0][1] == 17
- and allStrings[0][2] == 47)
- and (allStrings[1][1] == 154
- and allStrings[1][2] == 184),
- "quoted string failure")
-
- escapedQuoteTest = \
- r"""
- 'This string has an escaped (\') quote character'
- "This string has an escaped (\") quote character"
- """
-
- sglStrings = [(t[0], b, e) for (t, b, e) in sglQuotedString.scanString(escapedQuoteTest)]
- print(sglStrings)
- self.assertTrue(len(sglStrings) == 1 and (sglStrings[0][1] == 17 and sglStrings[0][2] == 66),
- "single quoted string escaped quote failure (%s)" % str(sglStrings[0]))
-
- dblStrings = [(t[0], b, e) for (t, b, e) in dblQuotedString.scanString(escapedQuoteTest)]
- print(dblStrings)
- self.assertTrue(len(dblStrings) == 1 and (dblStrings[0][1] == 83 and dblStrings[0][2] == 132),
- "double quoted string escaped quote failure (%s)" % str(dblStrings[0]))
-
- allStrings = [(t[0], b, e) for (t, b, e) in quotedString.scanString(escapedQuoteTest)]
- print(allStrings)
- self.assertTrue(len(allStrings) == 2
- and (allStrings[0][1] == 17
- and allStrings[0][2] == 66
- and allStrings[1][1] == 83
- and allStrings[1][2] == 132),
- "quoted string escaped quote failure (%s)" % ([str(s[0]) for s in allStrings]))
-
- dblQuoteTest = \
- r"""
- 'This string has an doubled ('') quote character'
- "This string has an doubled ("") quote character"
- """
- sglStrings = [(t[0], b, e) for (t, b, e) in sglQuotedString.scanString(dblQuoteTest)]
- print(sglStrings)
- self.assertTrue(len(sglStrings) == 1 and (sglStrings[0][1] == 17 and sglStrings[0][2] == 66),
- "single quoted string escaped quote failure (%s)" % str(sglStrings[0]))
- dblStrings = [(t[0], b, e) for (t, b, e) in dblQuotedString.scanString(dblQuoteTest)]
- print(dblStrings)
- self.assertTrue(len(dblStrings) == 1 and (dblStrings[0][1] == 83 and dblStrings[0][2] == 132),
- "double quoted string escaped quote failure (%s)" % str(dblStrings[0]))
- allStrings = [(t[0], b, e) for (t, b, e) in quotedString.scanString(dblQuoteTest)]
- print(allStrings)
- self.assertTrue(len(allStrings) == 2
- and (allStrings[0][1] == 17
- and allStrings[0][2] == 66
- and allStrings[1][1] == 83
- and allStrings[1][2] == 132),
- "quoted string escaped quote failure (%s)" % ([str(s[0]) for s in allStrings]))
-
- print("testing catastrophic RE backtracking in implementation of dblQuotedString")
- for expr, test_string in [
- (dblQuotedString, '"' + '\\xff' * 500),
- (sglQuotedString, "'" + '\\xff' * 500),
- (quotedString, '"' + '\\xff' * 500),
- (quotedString, "'" + '\\xff' * 500),
- (QuotedString('"'), '"' + '\\xff' * 500),
- (QuotedString("'"), "'" + '\\xff' * 500),
- ]:
- expr.parseString(test_string + test_string[0])
- try:
- expr.parseString(test_string)
- except Exception:
- continue
-
-class CaselessOneOfTest(ParseTestCase):
- def runTest(self):
- from pyparsing import oneOf
-
- caseless1 = oneOf("d a b c aA B A C", caseless=True)
- caseless1str = str(caseless1)
- print(caseless1str)
- caseless2 = oneOf("d a b c Aa B A C", caseless=True)
- caseless2str = str(caseless2)
- print(caseless2str)
- self.assertEqual(caseless1str.upper(), caseless2str.upper(), "oneOf not handling caseless option properly")
- self.assertNotEqual(caseless1str, caseless2str, "Caseless option properly sorted")
-
- res = caseless1[...].parseString("AAaaAaaA")
- print(res)
- self.assertEqual(len(res), 4, "caseless1 oneOf failed")
- self.assertEqual("".join(res), "aA" * 4, "caseless1 CaselessLiteral return failed")
-
- res =caseless2[...].parseString("AAaaAaaA")
- print(res)
- self.assertEqual(len(res), 4, "caseless2 oneOf failed")
- self.assertEqual("".join(res), "Aa" * 4, "caseless1 CaselessLiteral return failed")
-
-
-class CommentParserTest(ParseTestCase):
- def runTest(self):
-
- print("verify processing of C and HTML comments")
- testdata = """
- /* */
- /** **/
- /**/
- /***/
- /****/
- /* /*/
- /** /*/
- /*** /*/
- /*
- ablsjdflj
- */
- """
- foundLines = [pp.lineno(s, testdata)
- for t, s, e in pp.cStyleComment.scanString(testdata)]
- self.assertEqual(foundLines, list(range(11))[2:], "only found C comments on lines " + str(foundLines))
- testdata = """
- <!-- -->
- <!--- --->
- <!---->
- <!----->
- <!------>
- <!-- /-->
- <!--- /-->
- <!---- /-->
- <!---- /- ->
- <!---- / -- >
- <!--
- ablsjdflj
- -->
- """
- foundLines = [pp.lineno(s, testdata)
- for t, s, e in pp.htmlComment.scanString(testdata)]
- self.assertEqual(foundLines, list(range(11))[2:], "only found HTML comments on lines " + str(foundLines))
-
- # test C++ single line comments that have line terminated with '\' (should continue comment to following line)
- testSource = r"""
- // comment1
- // comment2 \
- still comment 2
- // comment 3
- """
- self.assertEqual(len(pp.cppStyleComment.searchString(testSource)[1][0]), 41,
- r"failed to match single-line comment with '\' at EOL")
-
-class ParseExpressionResultsTest(ParseTestCase):
- def runTest(self):
- from pyparsing import Word, alphas, OneOrMore, Optional, Group
-
- a = Word("a", alphas).setName("A")
- b = Word("b", alphas).setName("B")
- c = Word("c", alphas).setName("C")
- ab = (a + b).setName("AB")
- abc = (ab + c).setName("ABC")
- word = Word(alphas).setName("word")
-
- words = Group(OneOrMore(~a + word)).setName("words")
-
- phrase = (words("Head")
- + Group(a + Optional(b + Optional(c)))("ABC")
- + words("Tail"))
-
- results = phrase.parseString("xavier yeti alpha beta charlie will beaver")
- print(results, results.Head, results.ABC, results.Tail)
- for key, ln in [("Head", 2), ("ABC", 3), ("Tail", 2)]:
- self.assertEqual(len(results[key]), ln,
- "expected %d elements in %s, found %s" % (ln, key, str(results[key])))
-
-
-class ParseKeywordTest(ParseTestCase):
- def runTest(self):
- from pyparsing import Literal, Keyword
-
- kw = Keyword("if")
- lit = Literal("if")
-
- def test(s, litShouldPass, kwShouldPass):
- print("Test", s)
- print("Match Literal", end=' ')
- try:
- print(lit.parseString(s))
- except Exception:
- print("failed")
- if litShouldPass:
- self.assertTrue(False, "Literal failed to match %s, should have" % s)
- else:
- if not litShouldPass:
- self.assertTrue(False, "Literal matched %s, should not have" % s)
-
- print("Match Keyword", end=' ')
- try:
- print(kw.parseString(s))
- except Exception:
- print("failed")
- if kwShouldPass:
- self.assertTrue(False, "Keyword failed to match %s, should have" % s)
- else:
- if not kwShouldPass:
- self.assertTrue(False, "Keyword matched %s, should not have" % s)
-
- test("ifOnlyIfOnly", True, False)
- test("if(OnlyIfOnly)", True, True)
- test("if (OnlyIf Only)", True, True)
-
- kw = Keyword("if", caseless=True)
-
- test("IFOnlyIfOnly", False, False)
- test("If(OnlyIfOnly)", False, True)
- test("iF (OnlyIf Only)", False, True)
-
-
-
-class ParseExpressionResultsAccumulateTest(ParseTestCase):
- def runTest(self):
- from pyparsing import Word, delimitedList, Combine, alphas, nums
-
- num=Word(nums).setName("num")("base10*")
- hexnum=Combine("0x"+ Word(nums)).setName("hexnum")("hex*")
- name = Word(alphas).setName("word")("word*")
- list_of_num=delimitedList(hexnum | num | name, ",")
-
- tokens = list_of_num.parseString('1, 0x2, 3, 0x4, aaa')
- print(tokens.dump())
- self.assertParseResultsEquals(tokens,
- expected_list=['1', '0x2', '3', '0x4', 'aaa'],
- expected_dict={'base10': ['1', '3'],
- 'hex': ['0x2', '0x4'],
- 'word': ['aaa']},
- )
-
- from pyparsing import Literal, Word, nums, Group, Dict, alphas, \
- quotedString, oneOf, delimitedList, removeQuotes, alphanums
-
- lbrack = Literal("(").suppress()
- rbrack = Literal(")").suppress()
- integer = Word(nums).setName("int")
- variable = Word(alphas, max=1).setName("variable")
- relation_body_item = variable | integer | quotedString.copy().setParseAction(removeQuotes)
- relation_name = Word(alphas + "_", alphanums + "_")
- relation_body = lbrack + Group(delimitedList(relation_body_item)) + rbrack
- Goal = Dict(Group(relation_name + relation_body))
- Comparison_Predicate = Group(variable + oneOf("< >") + integer)("pred*")
- Query = Goal("head") + ":-" + delimitedList(Goal | Comparison_Predicate)
-
- test="""Q(x,y,z):-Bloo(x,"Mitsis",y),Foo(y,z,1243),y>28,x<12,x>3"""
-
- queryRes = Query.parseString(test)
- print(queryRes.dump())
- self.assertParseResultsEquals(queryRes.pred,
- expected_list=[['y', '>', '28'], ['x', '<', '12'], ['x', '>', '3']],
- msg="Incorrect list for attribute pred, %s" % str(queryRes.pred.asList())
- )
-
-class ReStringRangeTest(ParseTestCase):
- def runTest(self):
- testCases = (
- (r"[A-Z]"),
- (r"[A-A]"),
- (r"[A-Za-z]"),
- (r"[A-z]"),
- (r"[\ -\~]"),
- (r"[\0x20-0]"),
- (r"[\0x21-\0x7E]"),
- (r"[\0xa1-\0xfe]"),
- (r"[\040-0]"),
- (r"[A-Za-z0-9]"),
- (r"[A-Za-z0-9_]"),
- (r"[A-Za-z0-9_$]"),
- (r"[A-Za-z0-9_$\-]"),
- (r"[^0-9\\]"),
- (r"[a-zA-Z]"),
- (r"[/\^~]"),
- (r"[=\+\-!]"),
- (r"[A-]"),
- (r"[-A]"),
- (r"[\x21]"),
- (r"[а-яА-ЯёЁA-Z$_\041α-ω]")
- )
- expectedResults = (
- "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
- "A",
- "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz",
- "ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz",
- " !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~",
- " !\"#$%&'()*+,-./0",
- "!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~",
- "¡¢£¤¥¦§¨©ª«¬­®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþ",
- " !\"#$%&'()*+,-./0",
- "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
- "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_",
- "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_$",
- "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_$-",
- "0123456789\\",
- "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ",
- "/^~",
- "=+-!",
- "A-",
- "-A",
- "!",
- "абвгдежзийклмнопрстуфхцчшщъыьэюяАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯёЁABCDEFGHIJKLMNOPQRSTUVWXYZ$_!αβγδεζηθικλμνξοπρςστυφχψω",
- )
- for test in zip(testCases, expectedResults):
- t, exp = test
- res = pp.srange(t)
- #print(t, "->", res)
- self.assertEqual(res, exp, "srange error, srange(%r)->'%r', expected '%r'" % (t, res, exp))
-
-class SkipToParserTests(ParseTestCase):
- def runTest(self):
-
- from pyparsing import Literal, SkipTo, cStyleComment, ParseBaseException, And, Word, alphas, nums
-
- thingToFind = Literal('working')
- testExpr = SkipTo(Literal(';'), include=True, ignore=cStyleComment) + thingToFind
-
- def tryToParse (someText, fail_expected=False):
- try:
- print(testExpr.parseString(someText))
- self.assertFalse(fail_expected, "expected failure but no exception raised")
- except Exception as e:
- print("Exception %s while parsing string %s" % (e, repr(someText)))
- self.assertTrue(fail_expected and isinstance(e, ParseBaseException),
- "Exception %s while parsing string %s" % (e, repr(someText)))
-
- # This first test works, as the SkipTo expression is immediately following the ignore expression (cStyleComment)
- tryToParse('some text /* comment with ; in */; working')
- # This second test previously failed, as there is text following the ignore expression, and before the SkipTo expression.
- tryToParse('some text /* comment with ; in */some other stuff; working')
-
- # tests for optional failOn argument
- testExpr = SkipTo(Literal(';'), include=True, ignore=cStyleComment, failOn='other') + thingToFind
- tryToParse('some text /* comment with ; in */; working')
- tryToParse('some text /* comment with ; in */some other stuff; working', fail_expected=True)
-
- # test that we correctly create named results
- text = "prefixDATAsuffix"
- data = Literal("DATA")
- suffix = Literal("suffix")
- expr = SkipTo(data + suffix)('prefix') + data + suffix
- result = expr.parseString(text)
- self.assertTrue(isinstance(result.prefix, str), "SkipTo created with wrong saveAsList attribute")
-
- from pyparsing import Literal, And, Word, alphas, nums
- alpha_word = (~Literal("end") + Word(alphas, asKeyword=True)).setName("alpha")
- num_word = Word(nums, asKeyword=True).setName("int")
-
- def test(expr, test_string, expected_list, expected_dict):
- if (expected_list, expected_dict) == (None, None):
- with self.assertRaises(Exception, msg="{} failed to parse {!r}".format(expr, test_string)):
- expr.parseString(test_string)
- else:
- result = expr.parseString(test_string)
- self.assertParseResultsEquals(result, expected_list=expected_list, expected_dict=expected_dict)
-
- # ellipses for SkipTo
- e = ... + Literal("end")
- test(e, "start 123 end", ['start 123 ', 'end'], {'_skipped': ['start 123 ']})
-
- e = Literal("start") + ... + Literal("end")
- test(e, "start 123 end", ['start', '123 ', 'end'], {'_skipped': ['123 ']})
-
- e = Literal("start") + ...
- test(e, "start 123 end", None, None)
-
- e = And(["start", ..., "end"])
- test(e, "start 123 end", ['start', '123 ', 'end'], {'_skipped': ['123 ']})
-
- e = And([..., "end"])
- test(e, "start 123 end", ['start 123 ', 'end'], {'_skipped': ['start 123 ']})
-
- e = "start" + (num_word | ...) + "end"
- test(e, "start 456 end", ['start', '456', 'end'], {})
- test(e, "start 123 456 end", ['start', '123', '456 ', 'end'], {'_skipped': ['456 ']})
- test(e, "start end", ['start', '', 'end'], {'_skipped': ['missing <int>']})
-
- # e = define_expr('"start" + (num_word | ...)("inner") + "end"')
- # test(e, "start 456 end", ['start', '456', 'end'], {'inner': '456'})
-
- e = "start" + (alpha_word[...] & num_word[...] | ...) + "end"
- test(e, "start 456 red end", ['start', '456', 'red', 'end'], {})
- test(e, "start red 456 end", ['start', 'red', '456', 'end'], {})
- test(e, "start 456 red + end", ['start', '456', 'red', '+ ', 'end'], {'_skipped': ['+ ']})
- test(e, "start red end", ['start', 'red', 'end'], {})
- test(e, "start 456 end", ['start', '456', 'end'], {})
- test(e, "start end", ['start', 'end'], {})
- test(e, "start 456 + end", ['start', '456', '+ ', 'end'], {'_skipped': ['+ ']})
-
- e = "start" + (alpha_word[1, ...] & num_word[1, ...] | ...) + "end"
- test(e, "start 456 red end", ['start', '456', 'red', 'end'], {})
- test(e, "start red 456 end", ['start', 'red', '456', 'end'], {})
- test(e, "start 456 red + end", ['start', '456', 'red', '+ ', 'end'], {'_skipped': ['+ ']})
- test(e, "start red end", ['start', 'red ', 'end'], {'_skipped': ['red ']})
- test(e, "start 456 end", ['start', '456 ', 'end'], {'_skipped': ['456 ']})
- test(e, "start end", ['start', '', 'end'], {'_skipped': ['missing <{{alpha}... & {int}...}>']})
- test(e, "start 456 + end", ['start', '456 + ', 'end'], {'_skipped': ['456 + ']})
-
- e = "start" + (alpha_word | ...) + (num_word | ...) + "end"
- test(e, "start red 456 end", ['start', 'red', '456', 'end'], {})
- test(e, "start red end", ['start', 'red', '', 'end'], {'_skipped': ['missing <int>']})
- test(e, "start end", ['start', '', '', 'end'], {'_skipped': ['missing <alpha>', 'missing <int>']})
-
- e = Literal("start") + ... + "+" + ... + "end"
- test(e, "start red + 456 end", ['start', 'red ', '+', '456 ', 'end'], {'_skipped': ['red ', '456 ']})
-
-class EllipsisRepetionTest(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
- import re
-
- word = pp.Word(pp.alphas).setName("word")
- num = pp.Word(pp.nums).setName("num")
-
- exprs = [
- word[...] + num,
- word[0, ...] + num,
- word[1, ...] + num,
- word[2, ...] + num,
- word[..., 3] + num,
- word[2] + num,
- ]
-
- expected_res = [
- r"([abcd]+ )*\d+",
- r"([abcd]+ )*\d+",
- r"([abcd]+ )+\d+",
- r"([abcd]+ ){2,}\d+",
- r"([abcd]+ ){0,3}\d+",
- r"([abcd]+ ){2}\d+",
- ]
-
- tests = [
- "aa bb cc dd 123",
- "bb cc dd 123",
- "cc dd 123",
- "dd 123",
- "123",
- ]
-
- all_success = True
- for expr, expected_re in zip(exprs, expected_res):
- successful_tests = [t for t in tests if re.match(expected_re, t)]
- failure_tests = [t for t in tests if not re.match(expected_re, t)]
- success1, _ = expr.runTests(successful_tests)
- success2, _ = expr.runTests(failure_tests, failureTests=True)
- all_success = all_success and success1 and success2
- if not all_success:
- print("Failed expression:", expr)
- break
-
- self.assertTrue(all_success, "failed getItem_ellipsis test")
-
-class EllipsisRepetionWithResultsNamesTest(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
-
- label = pp.Word(pp.alphas)
- val = pp.pyparsing_common.integer()
- parser = label('label') + pp.ZeroOrMore(val)('values')
-
- _, results = parser.runTests("""
- a 1
- b 1 2 3
- c
- """)
- expected = [
- (['a', 1], {'label': 'a', 'values': [1]}),
- (['b', 1, 2, 3], {'label': 'b', 'values': [1, 2, 3]}),
- (['c'], {'label': 'c', 'values': []}),
- ]
- for obs, exp in zip(results, expected):
- test, result = obs
- exp_list, exp_dict = exp
- self.assertParseResultsEquals(result, expected_list=exp_list, expected_dict=exp_dict)
-
- parser = label('label') + val[...]('values')
-
- _, results = parser.runTests("""
- a 1
- b 1 2 3
- c
- """)
- expected = [
- (['a', 1], {'label': 'a', 'values': [1]}),
- (['b', 1, 2, 3], {'label': 'b', 'values': [1, 2, 3]}),
- (['c'], {'label': 'c', 'values': []}),
- ]
- for obs, exp in zip(results, expected):
- test, result = obs
- exp_list, exp_dict = exp
- self.assertParseResultsEquals(result, expected_list=exp_list, expected_dict=exp_dict)
-
- pt = pp.Group(val('x') + pp.Suppress(',') + val('y'))
- parser = label('label') + pt[...]("points")
- _, results = parser.runTests("""
- a 1,1
- b 1,1 2,2 3,3
- c
- """)
- expected = [
- (['a', [1, 1]], {'label': 'a', 'points': [{'x': 1, 'y': 1}]}),
- (['b', [1, 1], [2, 2], [3, 3]], {'label': 'b', 'points': [{'x': 1, 'y': 1},
- {'x': 2, 'y': 2},
- {'x': 3, 'y': 3}]}),
- (['c'], {'label': 'c', 'points': []}),
- ]
- for obs, exp in zip(results, expected):
- test, result = obs
- exp_list, exp_dict = exp
- self.assertParseResultsEquals(result, expected_list=exp_list, expected_dict=exp_dict)
-
-
-class CustomQuotesTest(ParseTestCase):
- def runTest(self):
- from pyparsing import QuotedString
-
- testString = r"""
- sdlfjs :sdf\:jls::djf: sl:kfsjf
- sdlfjs -sdf\:jls::--djf: sl-kfsjf
- sdlfjs -sdf\:::jls::--djf: sl:::-kfsjf
- sdlfjs ^sdf\:jls^^--djf^ sl-kfsjf
- sdlfjs ^^^==sdf\:j=lz::--djf: sl=^^=kfsjf
- sdlfjs ==sdf\:j=ls::--djf: sl==kfsjf^^^
- """
- colonQuotes = QuotedString(':', '\\', '::')
- dashQuotes = QuotedString('-', '\\', '--')
- hatQuotes = QuotedString('^', '\\')
- hatQuotes1 = QuotedString('^', '\\', '^^')
- dblEqQuotes = QuotedString('==', '\\')
-
- def test(quoteExpr, expected):
- print(quoteExpr.pattern)
- print(quoteExpr.searchString(testString))
- print(quoteExpr.searchString(testString)[0][0])
- print(expected)
- self.assertEqual(quoteExpr.searchString(testString)[0][0],
- expected,
- "failed to match %s, expected '%s', got '%s'" % (quoteExpr, expected,
- quoteExpr.searchString(testString)[0]))
- print()
-
- test(colonQuotes, r"sdf:jls:djf")
- test(dashQuotes, r"sdf:jls::-djf: sl")
- test(hatQuotes, r"sdf:jls")
- test(hatQuotes1, r"sdf:jls^--djf")
- test(dblEqQuotes, r"sdf:j=ls::--djf: sl")
- test(QuotedString(':::'), 'jls::--djf: sl')
- test(QuotedString('==', endQuoteChar='--'), r'sdf\:j=lz::')
- test(QuotedString('^^^', multiline=True), r"""==sdf\:j=lz::--djf: sl=^^=kfsjf
- sdlfjs ==sdf\:j=ls::--djf: sl==kfsjf""")
- try:
- bad1 = QuotedString('', '\\')
- except SyntaxError as se:
- pass
- else:
- self.assertTrue(False, "failed to raise SyntaxError with empty quote string")
-
-class RepeaterTest(ParseTestCase):
- def runTest(self):
- from pyparsing import matchPreviousLiteral, matchPreviousExpr, Word, nums, ParserElement
-
- if ParserElement._packratEnabled:
- print("skipping this test, not compatible with packratting")
- return
-
- first = Word("abcdef").setName("word1")
- bridge = Word(nums).setName("number")
- second = matchPreviousLiteral(first).setName("repeat(word1Literal)")
-
- seq = first + bridge + second
-
- tests = [
- ("abc12abc", True),
- ("abc12aabc", False),
- ("abc12cba", True),
- ("abc12bca", True),
- ]
-
- for tst, result in tests:
- found = False
- for tokens, start, end in seq.scanString(tst):
- f, b, s = tokens
- print(f, b, s)
- found = True
- if not found:
- print("No literal match in", tst)
- self.assertEqual(found, result, "Failed repeater for test: %s, matching %s" % (tst, str(seq)))
- print()
-
- # retest using matchPreviousExpr instead of matchPreviousLiteral
- second = matchPreviousExpr(first).setName("repeat(word1expr)")
- seq = first + bridge + second
-
- tests = [
- ("abc12abc", True),
- ("abc12cba", False),
- ("abc12abcdef", False),
- ]
-
- for tst, result in tests:
- found = False
- for tokens, start, end in seq.scanString(tst):
- print(tokens)
- found = True
- if not found:
- print("No expression match in", tst)
- self.assertEqual(found, result, "Failed repeater for test: %s, matching %s" % (tst, str(seq)))
-
- print()
-
- first = Word("abcdef").setName("word1")
- bridge = Word(nums).setName("number")
- second = matchPreviousExpr(first).setName("repeat(word1)")
- seq = first + bridge + second
- csFirst = seq.setName("word-num-word")
- csSecond = matchPreviousExpr(csFirst)
- compoundSeq = csFirst + ":" + csSecond
- compoundSeq.streamline()
- print(compoundSeq)
-
- tests = [
- ("abc12abc:abc12abc", True),
- ("abc12cba:abc12abc", False),
- ("abc12abc:abc12abcdef", False),
- ]
-
- for tst, result in tests:
- found = False
- for tokens, start, end in compoundSeq.scanString(tst):
- print("match:", tokens)
- found = True
- break
- if not found:
- print("No expression match in", tst)
- self.assertEqual(found, result, "Failed repeater for test: %s, matching %s" % (tst, str(seq)))
-
- print()
- eFirst = Word(nums)
- eSecond = matchPreviousExpr(eFirst)
- eSeq = eFirst + ":" + eSecond
-
- tests = [
- ("1:1A", True),
- ("1:10", False),
- ]
-
- for tst, result in tests:
- found = False
- for tokens, start, end in eSeq.scanString(tst):
- print(tokens)
- found = True
- if not found:
- print("No match in", tst)
- self.assertEqual(found, result, "Failed repeater for test: %s, matching %s" % (tst, str(seq)))
-
-class RecursiveCombineTest(ParseTestCase):
- def runTest(self):
- from pyparsing import Forward, Word, alphas, nums, Optional, Combine
-
- testInput = "myc(114)r(11)dd"
- Stream=Forward()
- Stream << Optional(Word(alphas)) + Optional("(" + Word(nums) + ")" + Stream)
- expected = [''.join(Stream.parseString(testInput))]
- print(expected)
-
- Stream=Forward()
- Stream << Combine(Optional(Word(alphas)) + Optional("(" + Word(nums) + ")" + Stream))
- testVal = Stream.parseString(testInput)
- print(testVal)
-
- self.assertParseResultsEquals(testVal, expected_list=expected)
-
-class InfixNotationGrammarTest1(ParseTestCase):
- def runTest(self):
- from pyparsing import Word, nums, alphas, Literal, oneOf, infixNotation, opAssoc
- import ast
-
- integer = Word(nums).setParseAction(lambda t:int(t[0]))
- variable = Word(alphas, exact=1)
- operand = integer | variable
-
- expop = Literal('^')
- signop = oneOf('+ -')
- multop = oneOf('* /')
- plusop = oneOf('+ -')
- factop = Literal('!')
-
- expr = infixNotation(operand,
- [(factop, 1, opAssoc.LEFT),
- (expop, 2, opAssoc.RIGHT),
- (signop, 1, opAssoc.RIGHT),
- (multop, 2, opAssoc.LEFT),
- (plusop, 2, opAssoc.LEFT),]
- )
-
- test = ["9 + 2 + 3",
- "9 + 2 * 3",
- "(9 + 2) * 3",
- "(9 + -2) * 3",
- "(9 + --2) * 3",
- "(9 + -2) * 3^2^2",
- "(9! + -2) * 3^2^2",
- "M*X + B",
- "M*(X + B)",
- "1+2*-3^4*5+-+-6",
- "3!!"]
- expected = """[[9, '+', 2, '+', 3]]
- [[9, '+', [2, '*', 3]]]
- [[[9, '+', 2], '*', 3]]
- [[[9, '+', ['-', 2]], '*', 3]]
- [[[9, '+', ['-', ['-', 2]]], '*', 3]]
- [[[9, '+', ['-', 2]], '*', [3, '^', [2, '^', 2]]]]
- [[[[9, '!'], '+', ['-', 2]], '*', [3, '^', [2, '^', 2]]]]
- [[['M', '*', 'X'], '+', 'B']]
- [['M', '*', ['X', '+', 'B']]]
- [[1, '+', [2, '*', ['-', [3, '^', 4]], '*', 5], '+', ['-', ['+', ['-', 6]]]]]
- [[3, '!', '!']]""".split('\n')
- expected = [ast.literal_eval(x.strip()) for x in expected]
- for test_str, exp_list in zip(test, expected):
- result = expr.parseString(test_str)
- print(test_str, "->", exp_list, "got", result)
- self.assertParseResultsEquals(result, expected_list=exp_list,
- msg="mismatched results for infixNotation: got %s, expected %s" %
- (result.asList(), exp_list))
-
-class InfixNotationGrammarTest2(ParseTestCase):
- def runTest(self):
-
- from pyparsing import infixNotation, Word, alphas, oneOf, opAssoc
-
- boolVars = { "True":True, "False":False }
- class BoolOperand(object):
- reprsymbol = ''
- def __init__(self, t):
- self.args = t[0][0::2]
- def __str__(self):
- sep = " %s " % self.reprsymbol
- return "(" + sep.join(map(str, self.args)) + ")"
-
- class BoolAnd(BoolOperand):
- reprsymbol = '&'
- def __bool__(self):
- for a in self.args:
- if isinstance(a, str):
- v = boolVars[a]
- else:
- v = bool(a)
- if not v:
- return False
- return True
-
- class BoolOr(BoolOperand):
- reprsymbol = '|'
- def __bool__(self):
- for a in self.args:
- if isinstance(a, str):
- v = boolVars[a]
- else:
- v = bool(a)
- if v:
- return True
- return False
-
- class BoolNot(BoolOperand):
- def __init__(self, t):
- self.arg = t[0][1]
- def __str__(self):
- return "~" + str(self.arg)
- def __bool__(self):
- if isinstance(self.arg, str):
- v = boolVars[self.arg]
- else:
- v = bool(self.arg)
- return not v
-
- boolOperand = Word(alphas, max=1) | oneOf("True False")
- boolExpr = infixNotation(boolOperand,
- [
- ("not", 1, opAssoc.RIGHT, BoolNot),
- ("and", 2, opAssoc.LEFT, BoolAnd),
- ("or", 2, opAssoc.LEFT, BoolOr),
- ])
- test = ["p and not q",
- "not not p",
- "not(p and q)",
- "q or not p and r",
- "q or not p or not r",
- "q or not (p and r)",
- "p or q or r",
- "p or q or r and False",
- "(p or q or r) and False",
- ]
-
- boolVars["p"] = True
- boolVars["q"] = False
- boolVars["r"] = True
- print("p =", boolVars["p"])
- print("q =", boolVars["q"])
- print("r =", boolVars["r"])
- print()
- for t in test:
- res = boolExpr.parseString(t)
- print(t, '\n', res[0], '=', bool(res[0]), '\n')
- expected = eval(t, {}, boolVars)
- self.assertEquals(expected, bool(res[0]))
-
-
-class InfixNotationGrammarTest3(ParseTestCase):
- def runTest(self):
-
- from pyparsing import infixNotation, Word, alphas, oneOf, opAssoc, nums, Literal
-
- global count
- count = 0
-
- def evaluate_int(t):
- global count
- value = int(t[0])
- print("evaluate_int", value)
- count += 1
- return value
-
- integer = Word(nums).setParseAction(evaluate_int)
- variable = Word(alphas, exact=1)
- operand = integer | variable
-
- expop = Literal('^')
- signop = oneOf('+ -')
- multop = oneOf('* /')
- plusop = oneOf('+ -')
- factop = Literal('!')
-
- expr = infixNotation(operand,
- [
- ("!", 1, opAssoc.LEFT),
- ("^", 2, opAssoc.LEFT),
- (signop, 1, opAssoc.RIGHT),
- (multop, 2, opAssoc.LEFT),
- (plusop, 2, opAssoc.LEFT),
- ])
-
- test = ["9"]
- for t in test:
- count = 0
- print("%r => %s (count=%d)" % (t, expr.parseString(t), count))
- self.assertEqual(count, 1, "count evaluated too many times!")
-
-class InfixNotationGrammarTest4(ParseTestCase):
- def runTest(self):
-
- word = pp.Word(pp.alphas)
-
- def supLiteral(s):
- """Returns the suppressed literal s"""
- return pp.Literal(s).suppress()
-
- def booleanExpr(atom):
- ops = [
- (supLiteral("!"), 1, pp.opAssoc.RIGHT, lambda s, l, t: ["!", t[0][0]]),
- (pp.oneOf("= !="), 2, pp.opAssoc.LEFT,),
- (supLiteral("&"), 2, pp.opAssoc.LEFT, lambda s, l, t: ["&", t[0]]),
- (supLiteral("|"), 2, pp.opAssoc.LEFT, lambda s, l, t: ["|", t[0]])]
- return pp.infixNotation(atom, ops)
-
- f = booleanExpr(word) + pp.StringEnd()
-
- tests = [
- ("bar = foo", [['bar', '=', 'foo']]),
- ("bar = foo & baz = fee", ['&', [['bar', '=', 'foo'], ['baz', '=', 'fee']]]),
- ]
- for test, expected in tests:
- print(test)
- results = f.parseString(test)
- print(results)
- self.assertParseResultsEquals(results, expected_list=expected)
- print()
-
-class InfixNotationGrammarTest5(ParseTestCase):
-
- def runTest(self):
- from pyparsing import infixNotation, opAssoc, pyparsing_common as ppc, Literal, oneOf
-
- expop = Literal('**')
- signop = oneOf('+ -')
- multop = oneOf('* /')
- plusop = oneOf('+ -')
-
- class ExprNode(object):
- def __init__(self, tokens):
- self.tokens = tokens[0]
-
- def eval(self):
- return None
-
- class NumberNode(ExprNode):
- def eval(self):
- return self.tokens
-
- class SignOp(ExprNode):
- def eval(self):
- mult = {'+': 1, '-': -1}[self.tokens[0]]
- return mult * self.tokens[1].eval()
-
- class BinOp(ExprNode):
- def eval(self):
- ret = self.tokens[0].eval()
- for op, operand in zip(self.tokens[1::2], self.tokens[2::2]):
- ret = self.opn_map[op](ret, operand.eval())
- return ret
-
- class ExpOp(BinOp):
- opn_map = {'**': lambda a, b: b ** a}
-
- class MultOp(BinOp):
- import operator
- opn_map = {'*': operator.mul, '/': operator.truediv}
-
- class AddOp(BinOp):
- import operator
- opn_map = {'+': operator.add, '-': operator.sub}
-
- operand = ppc.number().setParseAction(NumberNode)
- expr = infixNotation(operand,
- [
- (expop, 2, opAssoc.LEFT, (lambda pr: [pr[0][::-1]], ExpOp)),
- (signop, 1, opAssoc.RIGHT, SignOp),
- (multop, 2, opAssoc.LEFT, MultOp),
- (plusop, 2, opAssoc.LEFT, AddOp),
- ])
-
- tests = """\
- 2+7
- 2**3
- 2**3**2
- 3**9
- 3**3**2
- """
-
- for t in tests.splitlines():
- t = t.strip()
- if not t:
- continue
-
- parsed = expr.parseString(t)
- eval_value = parsed[0].eval()
- self.assertEqual(eval_value, eval(t),
- "Error evaluating %r, expected %r, got %r" % (t, eval(t), eval_value))
-
-
-class PickleTest_Greeting():
- def __init__(self, toks):
- self.salutation = toks[0]
- self.greetee = toks[1]
-
- def __repr__(self):
- return "%s: {%s}" % (self.__class__.__name__,
- ', '.join('%r: %r' % (k, getattr(self, k)) for k in sorted(self.__dict__)))
-
-class ParseResultsPickleTest(ParseTestCase):
- def runTest(self):
- from pyparsing import makeHTMLTags, ParseResults
- import pickle
-
- # test 1
- body = makeHTMLTags("BODY")[0]
- result = body.parseString("<BODY BGCOLOR='#00FFBB' FGCOLOR=black>")
- if VERBOSE:
- print(result.dump())
- print()
-
- for protocol in range(pickle.HIGHEST_PROTOCOL + 1):
- print("Test pickle dump protocol", protocol)
- try:
- pickleString = pickle.dumps(result, protocol)
- except Exception as e:
- print("dumps exception:", e)
- newresult = ParseResults()
- else:
- newresult = pickle.loads(pickleString)
- if VERBOSE:
- print(newresult.dump())
- print()
-
- self.assertEqual(result.dump(), newresult.dump(),
- "Error pickling ParseResults object (protocol=%d)" % protocol)
-
- # test 2
- import pyparsing as pp
-
- word = pp.Word(pp.alphas + "'.")
- salutation = pp.OneOrMore(word)
- comma = pp.Literal(",")
- greetee = pp.OneOrMore(word)
- endpunc = pp.oneOf("! ?")
- greeting = salutation + pp.Suppress(comma) + greetee + pp.Suppress(endpunc)
- greeting.setParseAction(PickleTest_Greeting)
-
- string = 'Good morning, Miss Crabtree!'
-
- result = greeting.parseString(string)
-
- for protocol in range(pickle.HIGHEST_PROTOCOL + 1):
- print("Test pickle dump protocol", protocol)
- try:
- pickleString = pickle.dumps(result, protocol)
- except Exception as e:
- print("dumps exception:", e)
- newresult = ParseResults()
- else:
- newresult = pickle.loads(pickleString)
- print(newresult.dump())
- self.assertEqual(newresult.dump(), result.dump(),
- "failed to pickle/unpickle ParseResults: expected %r, got %r" % (result, newresult))
-
-class ParseResultsWithNamedTupleTest(ParseTestCase):
- def runTest(self):
-
- from pyparsing import Literal, replaceWith
-
- expr = Literal("A")("Achar")
- expr.setParseAction(replaceWith(tuple(["A", "Z"])))
-
- res = expr.parseString("A")
- print(repr(res))
- print(res.Achar)
- self.assertParseResultsEquals(res, expected_dict={'Achar': ('A', 'Z')},
- msg="Failed accessing named results containing a tuple, "
- "got {!r}".format(res.Achar))
-
-
-class ParseHTMLTagsTest(ParseTestCase):
- def runTest(self):
- test = """
- <BODY>
- <BODY BGCOLOR="#00FFCC">
- <BODY BGCOLOR="#00FFAA"/>
- <BODY BGCOLOR='#00FFBB' FGCOLOR=black>
- <BODY/>
- </BODY>
- """
- results = [
- ("startBody", False, "", ""),
- ("startBody", False, "#00FFCC", ""),
- ("startBody", True, "#00FFAA", ""),
- ("startBody", False, "#00FFBB", "black"),
- ("startBody", True, "", ""),
- ("endBody", False, "", ""),
- ]
-
- bodyStart, bodyEnd = pp.makeHTMLTags("BODY")
- resIter = iter(results)
- for t, s, e in (bodyStart | bodyEnd).scanString(test):
- print(test[s:e], "->", t)
- (expectedType, expectedEmpty, expectedBG, expectedFG) = next(resIter)
-
- print(t.dump())
- if "startBody" in t:
- self.assertEqual(bool(t.empty), expectedEmpty,
- "expected %s token, got %s" % (expectedEmpty and "empty" or "not empty",
- t.empty and "empty" or "not empty"))
- self.assertEqual(t.bgcolor, expectedBG,
- "failed to match BGCOLOR, expected %s, got %s" % (expectedBG, t.bgcolor))
- self.assertEqual(t.fgcolor, expectedFG,
- "failed to match FGCOLOR, expected %s, got %s" % (expectedFG, t.bgcolor))
- elif "endBody" in t:
- print("end tag")
- pass
- else:
- print("BAD!!!")
-
-
-class UpcaseDowncaseUnicode(ParseTestCase):
- def runTest(self):
-
- import pyparsing as pp
- from pyparsing import pyparsing_unicode as ppu
- from pyparsing import pyparsing_common as ppc
- import sys
-
- a = '\u00bfC\u00f3mo esta usted?'
- if not JYTHON_ENV:
- ualphas = ppu.alphas
- else:
- ualphas = "".join(chr(i) for i in list(range(0xd800)) + list(range(0xe000, sys.maxunicode))
- if chr(i).isalpha())
- uword = pp.Word(ualphas).setParseAction(ppc.upcaseTokens)
-
- print = lambda *args: None
- print(uword.searchString(a))
-
- uword = pp.Word(ualphas).setParseAction(ppc.downcaseTokens)
-
- print(uword.searchString(a))
-
- kw = pp.Keyword('mykey', caseless=True).setParseAction(ppc.upcaseTokens)('rname')
- ret = kw.parseString('mykey')
- print(ret.rname)
- self.assertEqual(ret.rname, 'MYKEY', "failed to upcase with named result (pyparsing_common)")
-
- kw = pp.Keyword('MYKEY', caseless=True).setParseAction(ppc.downcaseTokens)('rname')
- ret = kw.parseString('mykey')
- print(ret.rname)
- self.assertEqual(ret.rname, 'mykey', "failed to upcase with named result")
-
- if not IRON_PYTHON_ENV:
- #test html data
- html = "<TR class=maintxt bgColor=#ffffff> \
- <TD vAlign=top>Производитель, модель</TD> \
- <TD vAlign=top><STRONG>BenQ-Siemens CF61</STRONG></TD> \
- "#.decode('utf-8')
-
- # 'Manufacturer, model
- text_manuf = 'Производитель, модель'
- manufacturer = pp.Literal(text_manuf)
-
- td_start, td_end = pp.makeHTMLTags("td")
- manuf_body = td_start.suppress() + manufacturer + pp.SkipTo(td_end)("cells*") + td_end.suppress()
-
- #~ manuf_body.setDebug()
-
- #~ for tokens in manuf_body.scanString(html):
- #~ print(tokens)
-
-class ParseUsingRegex(ParseTestCase):
- def runTest(self):
-
- import re
-
- signedInt = pp.Regex(r'[-+][0-9]+')
- unsignedInt = pp.Regex(r'[0-9]+')
- simpleString = pp.Regex(r'("[^\"]*")|(\'[^\']*\')')
- namedGrouping = pp.Regex(r'("(?P<content>[^\"]*)")')
- compiledRE = pp.Regex(re.compile(r'[A-Z]+'))
-
- def testMatch (expression, instring, shouldPass, expectedString=None):
- if shouldPass:
- try:
- result = expression.parseString(instring)
- print('%s correctly matched %s' % (repr(expression), repr(instring)))
- if expectedString != result[0]:
- print('\tbut failed to match the pattern as expected:')
- print('\tproduced %s instead of %s' % \
- (repr(result[0]), repr(expectedString)))
- return True
- except pp.ParseException:
- print('%s incorrectly failed to match %s' % \
- (repr(expression), repr(instring)))
- else:
- try:
- result = expression.parseString(instring)
- print('%s incorrectly matched %s' % (repr(expression), repr(instring)))
- print('\tproduced %s as a result' % repr(result[0]))
- except pp.ParseException:
- print('%s correctly failed to match %s' % \
- (repr(expression), repr(instring)))
- return True
- return False
-
- # These should fail
- self.assertTrue(testMatch(signedInt, '1234 foo', False), "Re: (1) passed, expected fail")
- self.assertTrue(testMatch(signedInt, ' +foo', False), "Re: (2) passed, expected fail")
- self.assertTrue(testMatch(unsignedInt, 'abc', False), "Re: (3) passed, expected fail")
- self.assertTrue(testMatch(unsignedInt, '+123 foo', False), "Re: (4) passed, expected fail")
- self.assertTrue(testMatch(simpleString, 'foo', False), "Re: (5) passed, expected fail")
- self.assertTrue(testMatch(simpleString, '"foo bar\'', False), "Re: (6) passed, expected fail")
- self.assertTrue(testMatch(simpleString, '\'foo bar"', False), "Re: (7) passed, expected fail")
-
- # These should pass
- self.assertTrue(testMatch(signedInt, ' +123', True, '+123'), "Re: (8) failed, expected pass")
- self.assertTrue(testMatch(signedInt, '+123', True, '+123'), "Re: (9) failed, expected pass")
- self.assertTrue(testMatch(signedInt, '+123 foo', True, '+123'), "Re: (10) failed, expected pass")
- self.assertTrue(testMatch(signedInt, '-0 foo', True, '-0'), "Re: (11) failed, expected pass")
- self.assertTrue(testMatch(unsignedInt, '123 foo', True, '123'), "Re: (12) failed, expected pass")
- self.assertTrue(testMatch(unsignedInt, '0 foo', True, '0'), "Re: (13) failed, expected pass")
- self.assertTrue(testMatch(simpleString, '"foo"', True, '"foo"'), "Re: (14) failed, expected pass")
- self.assertTrue(testMatch(simpleString, "'foo bar' baz", True, "'foo bar'"), "Re: (15) failed, expected pass")
-
- self.assertTrue(testMatch(compiledRE, 'blah', False), "Re: (16) passed, expected fail")
- self.assertTrue(testMatch(compiledRE, 'BLAH', True, 'BLAH'), "Re: (17) failed, expected pass")
-
- self.assertTrue(testMatch(namedGrouping, '"foo bar" baz', True, '"foo bar"'), "Re: (16) failed, expected pass")
- ret = namedGrouping.parseString('"zork" blah')
- print(ret)
- print(list(ret.items()))
- print(ret.content)
- self.assertEqual(ret.content, 'zork', "named group lookup failed")
- self.assertEqual(ret[0], simpleString.parseString('"zork" blah')[0],
- "Regex not properly returning ParseResults for named vs. unnamed groups")
-
- try:
- #~ print "lets try an invalid RE"
- invRe = pp.Regex('("[^\"]*")|(\'[^\']*\'')
- except Exception as e:
- print("successfully rejected an invalid RE:", end=' ')
- print(e)
- else:
- self.assertTrue(False, "failed to reject invalid RE")
-
- invRe = pp.Regex('')
-
-class RegexAsTypeTest(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
-
- test_str = "sldkjfj 123 456 lsdfkj"
-
- print("return as list of match groups")
- expr = pp.Regex(r"\w+ (\d+) (\d+) (\w+)", asGroupList=True)
- expected_group_list = [tuple(test_str.split()[1:])]
- result = expr.parseString(test_str)
- print(result.dump())
- print(expected_group_list)
- self.assertParseResultsEquals(result, expected_list=expected_group_list,
- msg="incorrect group list returned by Regex)")
-
- print("return as re.match instance")
- expr = pp.Regex(r"\w+ (?P<num1>\d+) (?P<num2>\d+) (?P<last_word>\w+)", asMatch=True)
- result = expr.parseString(test_str)
- print(result.dump())
- print(result[0].groups())
- print(expected_group_list)
- self.assertEqual(result[0].groupdict(), {'num1': '123', 'num2': '456', 'last_word': 'lsdfkj'},
- 'invalid group dict from Regex(asMatch=True)')
- self.assertEqual(result[0].groups(), expected_group_list[0],
- "incorrect group list returned by Regex(asMatch)")
-
-class RegexSubTest(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
-
- print("test sub with string")
- expr = pp.Regex(r"<title>").sub("'Richard III'")
- result = expr.transformString("This is the title: <title>")
- print(result)
- self.assertEqual(result, "This is the title: 'Richard III'", "incorrect Regex.sub result with simple string")
-
- print("test sub with re string")
- expr = pp.Regex(r"([Hh]\d):\s*(.*)").sub(r"<\1>\2</\1>")
- result = expr.transformString("h1: This is the main heading\nh2: This is the sub-heading")
- print(result)
- self.assertEqual(result, '<h1>This is the main heading</h1>\n<h2>This is the sub-heading</h2>',
- "incorrect Regex.sub result with re string")
-
- print("test sub with re string (Regex returns re.match)")
- expr = pp.Regex(r"([Hh]\d):\s*(.*)", asMatch=True).sub(r"<\1>\2</\1>")
- result = expr.transformString("h1: This is the main heading\nh2: This is the sub-heading")
- print(result)
- self.assertEqual(result, '<h1>This is the main heading</h1>\n<h2>This is the sub-heading</h2>',
- "incorrect Regex.sub result with re string")
-
- print("test sub with callable that return str")
- expr = pp.Regex(r"<(.*?)>").sub(lambda m: m.group(1).upper())
- result = expr.transformString("I want this in upcase: <what? what?>")
- print(result)
- self.assertEqual(result, 'I want this in upcase: WHAT? WHAT?', "incorrect Regex.sub result with callable")
-
- try:
- expr = pp.Regex(r"<(.*?)>", asMatch=True).sub(lambda m: m.group(1).upper())
- except SyntaxError:
- pass
- else:
- self.assertTrue(False, "failed to warn using a Regex.sub(callable) with asMatch=True")
-
- try:
- expr = pp.Regex(r"<(.*?)>", asGroupList=True).sub(lambda m: m.group(1).upper())
- except SyntaxError:
- pass
- else:
- self.assertTrue(False, "failed to warn using a Regex.sub() with asGroupList=True")
-
- try:
- expr = pp.Regex(r"<(.*?)>", asGroupList=True).sub("")
- except SyntaxError:
- pass
- else:
- self.assertTrue(False, "failed to warn using a Regex.sub() with asGroupList=True")
-
-class PrecededByTest(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
-
- num = pp.Word(pp.nums).setParseAction(lambda t: int(t[0]))
- interesting_num = pp.PrecededBy(pp.Char("abc")("prefix*")) + num
- semi_interesting_num = pp.PrecededBy('_') + num
- crazy_num = pp.PrecededBy(pp.Word("^", "$%^")("prefix*"), 10) + num
- boring_num = ~pp.PrecededBy(pp.Char("abc_$%^" + pp.nums)) + num
- very_boring_num = pp.PrecededBy(pp.WordStart()) + num
- finicky_num = pp.PrecededBy(pp.Word("^", "$%^"), retreat=3) + num
-
- s = "c384 b8324 _9293874 _293 404 $%^$^%$2939"
- print(s)
- for expr, expected_list, expected_dict in [
- (interesting_num, [384, 8324], {'prefix': ['c', 'b']}),
- (semi_interesting_num, [9293874, 293], {}),
- (boring_num, [404], {}),
- (crazy_num, [2939], {'prefix': ['^%$']}),
- (finicky_num, [2939], {}),
- (very_boring_num, [404], {}),
- ]:
- # print(expr.searchString(s))
- result = sum(expr.searchString(s))
- print(result.dump())
- self.assertParseResultsEquals(result, expected_list, expected_dict)
-
- # infinite loop test - from Issue #127
- string_test = 'notworking'
- # negs = pp.Or(['not', 'un'])('negs')
- negs_pb = pp.PrecededBy('not', retreat=100)('negs_lb')
- # negs_pb = pp.PrecededBy(negs, retreat=100)('negs_lb')
- pattern = (negs_pb + pp.Literal('working'))('main')
-
- results = pattern.searchString(string_test)
- try:
- print(results.dump())
- except RecursionError:
- self.assertTrue(False, "got maximum excursion limit exception")
- else:
- self.assertTrue(True, "got maximum excursion limit exception")
-
-
-
-class CountedArrayTest(ParseTestCase):
- def runTest(self):
- from pyparsing import Word, nums, OneOrMore, countedArray
-
- testString = "2 5 7 6 0 1 2 3 4 5 0 3 5 4 3"
-
- integer = Word(nums).setParseAction(lambda t: int(t[0]))
- countedField = countedArray(integer)
-
- r = OneOrMore(countedField).parseString(testString)
- print(testString)
- print(r)
-
- self.assertParseResultsEquals(r, expected_list=[[5, 7], [0, 1, 2, 3, 4, 5], [], [5, 4, 3]])
-
-class CountedArrayTest2(ParseTestCase):
- # addresses bug raised by Ralf Vosseler
- def runTest(self):
- from pyparsing import Word, nums, OneOrMore, countedArray
-
- testString = "2 5 7 6 0 1 2 3 4 5 0 3 5 4 3"
-
- integer = Word(nums).setParseAction(lambda t: int(t[0]))
- countedField = countedArray(integer)
-
- dummy = Word("A")
- r = OneOrMore(dummy ^ countedField).parseString(testString)
- print(testString)
- print(r)
-
- self.assertParseResultsEquals(r, expected_list=[[5, 7], [0, 1, 2, 3, 4, 5], [], [5, 4, 3]])
-
-class CountedArrayTest3(ParseTestCase):
- # test case where counter is not a decimal integer
- def runTest(self):
- from pyparsing import Word, nums, OneOrMore, countedArray, alphas
- int_chars = "_" + alphas
- array_counter = Word(int_chars).setParseAction(lambda t: int_chars.index(t[0]))
-
- # 123456789012345678901234567890
- testString = "B 5 7 F 0 1 2 3 4 5 _ C 5 4 3"
-
- integer = Word(nums).setParseAction(lambda t: int(t[0]))
- countedField = countedArray(integer, intExpr=array_counter)
-
- r = OneOrMore(countedField).parseString(testString)
- print(testString)
- print(r)
-
- self.assertParseResultsEquals(r, expected_list=[[5, 7], [0, 1, 2, 3, 4, 5], [], [5, 4, 3]])
-
-class LineStartTest(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
-
- pass_tests = [
- """\
- AAA
- BBB
- """,
- """\
- AAA...
- BBB
- """,
- ]
- fail_tests = [
- """\
- AAA...
- ...BBB
- """,
- """\
- AAA BBB
- """,
- ]
-
- # cleanup test strings
- pass_tests = ['\n'.join(s.lstrip() for s in t.splitlines()).replace('.', ' ') for t in pass_tests]
- fail_tests = ['\n'.join(s.lstrip() for s in t.splitlines()).replace('.', ' ') for t in fail_tests]
-
- test_patt = pp.Word('A') - pp.LineStart() + pp.Word('B')
- print(test_patt.streamline())
- success = test_patt.runTests(pass_tests)[0]
- self.assertTrue(success, "failed LineStart passing tests (1)")
-
- success = test_patt.runTests(fail_tests, failureTests=True)[0]
- self.assertTrue(success, "failed LineStart failure mode tests (1)")
-
- # with resetting(pp.ParserElement, "DEFAULT_WHITE_CHARS"):
- prev_default_whitespace_chars = pp.ParserElement.DEFAULT_WHITE_CHARS
- try:
- print(r'no \n in default whitespace chars')
- pp.ParserElement.setDefaultWhitespaceChars(' ')
-
- test_patt = pp.Word('A') - pp.LineStart() + pp.Word('B')
- print(test_patt.streamline())
- # should fail the pass tests too, since \n is no longer valid whitespace and we aren't parsing for it
- success = test_patt.runTests(pass_tests, failureTests=True)[0]
- self.assertTrue(success, "failed LineStart passing tests (2)")
-
- success = test_patt.runTests(fail_tests, failureTests=True)[0]
- self.assertTrue(success, "failed LineStart failure mode tests (2)")
-
- test_patt = pp.Word('A') - pp.LineEnd().suppress() + pp.LineStart() + pp.Word('B') + pp.LineEnd().suppress()
- print(test_patt.streamline())
- success = test_patt.runTests(pass_tests)[0]
- self.assertTrue(success, "failed LineStart passing tests (3)")
-
- success = test_patt.runTests(fail_tests, failureTests=True)[0]
- self.assertTrue(success, "failed LineStart failure mode tests (3)")
- finally:
- pp.ParserElement.setDefaultWhitespaceChars(prev_default_whitespace_chars)
-
- test = """\
- AAA 1
- AAA 2
-
- AAA
-
- B AAA
-
- """
-
- from textwrap import dedent
- test = dedent(test)
- print(test)
-
- for t, s, e in (pp.LineStart() + 'AAA').scanString(test):
- print(s, e, pp.lineno(s, test), pp.line(s, test), ord(test[s]))
- print()
- self.assertEqual(test[s], 'A', 'failed LineStart with insignificant newlines')
-
- # with resetting(pp.ParserElement, "DEFAULT_WHITE_CHARS"):
- try:
- pp.ParserElement.setDefaultWhitespaceChars(' ')
- for t, s, e in (pp.LineStart() + 'AAA').scanString(test):
- print(s, e, pp.lineno(s, test), pp.line(s, test), ord(test[s]))
- print()
- self.assertEqual(test[s], 'A', 'failed LineStart with insignificant newlines')
- finally:
- pp.ParserElement.setDefaultWhitespaceChars(prev_default_whitespace_chars)
-
-
-class LineAndStringEndTest(ParseTestCase):
- def runTest(self):
- from pyparsing import OneOrMore, lineEnd, alphanums, Word, stringEnd, delimitedList, SkipTo
-
- NLs = OneOrMore(lineEnd)
- bnf1 = delimitedList(Word(alphanums).leaveWhitespace(), NLs)
- bnf2 = Word(alphanums) + stringEnd
- bnf3 = Word(alphanums) + SkipTo(stringEnd)
- tests = [
- ("testA\ntestB\ntestC\n", ['testA', 'testB', 'testC']),
- ("testD\ntestE\ntestF", ['testD', 'testE', 'testF']),
- ("a", ['a']),
- ]
-
- for test, expected in tests:
- res1 = bnf1.parseString(test)
- print(res1, '=?', expected)
- self.assertParseResultsEquals(res1, expected_list=expected,
- msg="Failed lineEnd/stringEnd test (1): " + repr(test)+ " -> " + str(res1))
-
- res2 = bnf2.searchString(test)[0]
- print(res2, '=?', expected[-1:])
- self.assertParseResultsEquals(res2, expected_list=expected[-1:],
- msg="Failed lineEnd/stringEnd test (2): " + repr(test)+ " -> " + str(res2))
-
- res3 = bnf3.parseString(test)
- first = res3[0]
- rest = res3[1]
- #~ print res3.dump()
- print(repr(rest), '=?', repr(test[len(first) + 1:]))
- self.assertEqual(rest, test[len(first) + 1:],
- "Failed lineEnd/stringEnd test (3): " + repr(test)+ " -> " + str(res3.asList()))
- print()
-
- from pyparsing import Regex
- import re
-
- k = Regex(r'a+', flags=re.S + re.M)
- k = k.parseWithTabs()
- k = k.leaveWhitespace()
-
- tests = [
- (r'aaa', ['aaa']),
- (r'\naaa', None),
- (r'a\naa', None),
- (r'aaa\n', None),
- ]
- for i, (src, expected) in enumerate(tests):
- print(i, repr(src).replace('\\\\', '\\'), end=' ')
- if expected is None:
- with self.assertRaisesParseException():
- k.parseString(src, parseAll=True)
- else:
- res = k.parseString(src, parseAll=True)
- self.assertParseResultsEquals(res, expected, msg="Failed on parseAll=True test %d" % i)
-
-class VariableParseActionArgsTest(ParseTestCase):
- def runTest(self):
- pa3 = lambda s, l, t: t
- pa2 = lambda l, t: t
- pa1 = lambda t: t
- pa0 = lambda : None
- class Callable3(object):
- def __call__(self, s, l, t):
- return t
- class Callable2(object):
- def __call__(self, l, t):
- return t
- class Callable1(object):
- def __call__(self, t):
- return t
- class Callable0(object):
- def __call__(self):
- return
- class CallableS3(object):
- #~ @staticmethod
- def __call__(s, l, t):
- return t
- __call__=staticmethod(__call__)
- class CallableS2(object):
- #~ @staticmethod
- def __call__(l, t):
- return t
- __call__=staticmethod(__call__)
- class CallableS1(object):
- #~ @staticmethod
- def __call__(t):
- return t
- __call__=staticmethod(__call__)
- class CallableS0(object):
- #~ @staticmethod
- def __call__():
- return
- __call__=staticmethod(__call__)
- class CallableC3(object):
- #~ @classmethod
- def __call__(cls, s, l, t):
- return t
- __call__=classmethod(__call__)
- class CallableC2(object):
- #~ @classmethod
- def __call__(cls, l, t):
- return t
- __call__=classmethod(__call__)
- class CallableC1(object):
- #~ @classmethod
- def __call__(cls, t):
- return t
- __call__=classmethod(__call__)
- class CallableC0(object):
- #~ @classmethod
- def __call__(cls):
- return
- __call__=classmethod(__call__)
-
- class parseActionHolder(object):
- #~ @staticmethod
- def pa3(s, l, t):
- return t
- pa3=staticmethod(pa3)
- #~ @staticmethod
- def pa2(l, t):
- return t
- pa2=staticmethod(pa2)
- #~ @staticmethod
- def pa1(t):
- return t
- pa1=staticmethod(pa1)
- #~ @staticmethod
- def pa0():
- return
- pa0=staticmethod(pa0)
-
- def paArgs(*args):
- print(args)
- return args[2]
-
- class ClassAsPA0(object):
- def __init__(self):
- pass
- def __str__(self):
- return "A"
-
- class ClassAsPA1(object):
- def __init__(self, t):
- print("making a ClassAsPA1")
- self.t = t
- def __str__(self):
- return self.t[0]
-
- class ClassAsPA2(object):
- def __init__(self, l, t):
- self.t = t
- def __str__(self):
- return self.t[0]
-
- class ClassAsPA3(object):
- def __init__(self, s, l, t):
- self.t = t
- def __str__(self):
- return self.t[0]
-
- class ClassAsPAStarNew(tuple):
- def __new__(cls, *args):
- print("make a ClassAsPAStarNew", args)
- return tuple.__new__(cls, *args[2].asList())
- def __str__(self):
- return ''.join(self)
-
- from pyparsing import Literal, OneOrMore
-
- A = Literal("A").setParseAction(pa0)
- B = Literal("B").setParseAction(pa1)
- C = Literal("C").setParseAction(pa2)
- D = Literal("D").setParseAction(pa3)
- E = Literal("E").setParseAction(Callable0())
- F = Literal("F").setParseAction(Callable1())
- G = Literal("G").setParseAction(Callable2())
- H = Literal("H").setParseAction(Callable3())
- I = Literal("I").setParseAction(CallableS0())
- J = Literal("J").setParseAction(CallableS1())
- K = Literal("K").setParseAction(CallableS2())
- L = Literal("L").setParseAction(CallableS3())
- M = Literal("M").setParseAction(CallableC0())
- N = Literal("N").setParseAction(CallableC1())
- O = Literal("O").setParseAction(CallableC2())
- P = Literal("P").setParseAction(CallableC3())
- Q = Literal("Q").setParseAction(paArgs)
- R = Literal("R").setParseAction(parseActionHolder.pa3)
- S = Literal("S").setParseAction(parseActionHolder.pa2)
- T = Literal("T").setParseAction(parseActionHolder.pa1)
- U = Literal("U").setParseAction(parseActionHolder.pa0)
- V = Literal("V")
-
- gg = OneOrMore(A | C | D | E | F | G | H |
- I | J | K | L | M | N | O | P | Q | R | S | U | V | B | T)
- testString = "VUTSRQPONMLKJIHGFEDCBA"
- res = gg.parseString(testString)
- print(res)
- self.assertParseResultsEquals(res, expected_list=list(testString),
- msg="Failed to parse using variable length parse actions")
-
- A = Literal("A").setParseAction(ClassAsPA0)
- B = Literal("B").setParseAction(ClassAsPA1)
- C = Literal("C").setParseAction(ClassAsPA2)
- D = Literal("D").setParseAction(ClassAsPA3)
- E = Literal("E").setParseAction(ClassAsPAStarNew)
-
- gg = OneOrMore(A | B | C | D | E | F | G | H |
- I | J | K | L | M | N | O | P | Q | R | S | T | U | V)
- testString = "VUTSRQPONMLKJIHGFEDCBA"
- res = gg.parseString(testString)
- print(list(map(str, res)))
- self.assertEqual(list(map(str, res)), list(testString),
- "Failed to parse using variable length parse actions "
- "using class constructors as parse actions")
-
-class EnablePackratParsing(TestCase):
- def runTest(self):
- from pyparsing import ParserElement
- ParserElement.enablePackrat()
-
-class SingleArgExceptionTest(ParseTestCase):
- def runTest(self):
- from pyparsing import ParseBaseException, ParseFatalException
-
- msg = ""
- raisedMsg = ""
- testMessage = "just one arg"
- try:
- raise ParseFatalException(testMessage)
- except ParseBaseException as pbe:
- print("Received expected exception:", pbe)
- raisedMsg = pbe.msg
- self.assertEqual(raisedMsg, testMessage, "Failed to get correct exception message")
-
-
-class OriginalTextForTest(ParseTestCase):
- def runTest(self):
- from pyparsing import makeHTMLTags, originalTextFor
-
- def rfn(t):
- return "%s:%d" % (t.src, len("".join(t)))
-
- makeHTMLStartTag = lambda tag: originalTextFor(makeHTMLTags(tag)[0], asString=False)
-
- # use the lambda, Luke
- start = makeHTMLStartTag('IMG')
-
- # don't replace our fancy parse action with rfn,
- # append rfn to the list of parse actions
- start.addParseAction(rfn)
-
- text = '''_<img src="images/cal.png"
- alt="cal image" width="16" height="15">_'''
- s = start.transformString(text)
- if VERBOSE:
- print(s)
- self.assertTrue(s.startswith("_images/cal.png:"), "failed to preserve input s properly")
- self.assertTrue(s.endswith("77_"), "failed to return full original text properly")
-
- tag_fields = makeHTMLStartTag("IMG").searchString(text)[0]
- if VERBOSE:
- print(sorted(tag_fields.keys()))
- self.assertEqual(sorted(tag_fields.keys()),
- ['alt', 'empty', 'height', 'src', 'startImg', 'tag', 'width'],
- 'failed to preserve results names in originalTextFor')
-
-class PackratParsingCacheCopyTest(ParseTestCase):
- def runTest(self):
- from pyparsing import Word, nums, delimitedList, Literal, Optional, alphas, alphanums, empty
-
- integer = Word(nums).setName("integer")
- id = Word(alphas + '_', alphanums + '_')
- simpleType = Literal('int');
- arrayType= simpleType + ('[' + delimitedList(integer) + ']')[...]
- varType = arrayType | simpleType
- varDec = varType + delimitedList(id + Optional('=' + integer)) + ';'
-
- codeBlock = Literal('{}')
-
- funcDef = Optional(varType | 'void') + id + '(' + (delimitedList(varType + id)|'void'|empty) + ')' + codeBlock
-
- program = varDec | funcDef
- input = 'int f(){}'
- results = program.parseString(input)
- print("Parsed '%s' as %s" % (input, results.asList()))
- self.assertEqual(results.asList(), ['int', 'f', '(', ')', '{}'], "Error in packrat parsing")
-
-class PackratParsingCacheCopyTest2(ParseTestCase):
- def runTest(self):
- from pyparsing import Keyword, Word, Suppress, Forward, Optional, delimitedList, Group
-
- DO, AA = list(map(Keyword, "DO AA".split()))
- LPAR, RPAR = list(map(Suppress, "()"))
- identifier = ~AA + Word("Z")
-
- function_name = identifier.copy()
- #~ function_name = ~AA + Word("Z") #identifier.copy()
- expr = Forward().setName("expr")
- expr << (Group(function_name + LPAR + Optional(delimitedList(expr)) + RPAR).setName("functionCall") |
- identifier.setName("ident")#.setDebug()#.setBreak()
- )
-
- stmt = DO + Group(delimitedList(identifier + ".*" | expr))
- result = stmt.parseString("DO Z")
- print(result.asList())
- self.assertEqual(len(result[1]), 1, "packrat parsing is duplicating And term exprs")
-
-class ParseResultsDelTest(ParseTestCase):
- def runTest(self):
- from pyparsing import OneOrMore, Word, alphas, nums
-
- grammar = OneOrMore(Word(nums))("ints") + OneOrMore(Word(alphas))("words")
- res = grammar.parseString("123 456 ABC DEF")
- print(res.dump())
- origInts = res.ints.asList()
- origWords = res.words.asList()
- del res[1]
- del res["words"]
- print(res.dump())
- self.assertEqual(res[1], 'ABC', "failed to delete 0'th element correctly")
- self.assertEqual(res.ints.asList(), origInts, "updated named attributes, should have updated list only")
- self.assertEqual(res.words, "", "failed to update named attribute correctly")
- self.assertEqual(res[-1], 'DEF', "updated list, should have updated named attributes only")
-
-class WithAttributeParseActionTest(ParseTestCase):
- def runTest(self):
- """
- This unit test checks withAttribute in these ways:
-
- * Argument forms as keywords and tuples
- * Selecting matching tags by attribute
- * Case-insensitive attribute matching
- * Correctly matching tags having the attribute, and rejecting tags not having the attribute
-
- (Unit test written by voigts as part of the Google Highly Open Participation Contest)
- """
-
- from pyparsing import makeHTMLTags, Word, withAttribute, withClass, nums
-
- data = """
- <a>1</a>
- <a b="x">2</a>
- <a B="x">3</a>
- <a b="X">4</a>
- <a b="y">5</a>
- <a class="boo">8</ a>
- """
- tagStart, tagEnd = makeHTMLTags("a")
-
- expr = tagStart + Word(nums)("value") + tagEnd
-
- expected = ([['a', ['b', 'x'], False, '2', '</a>'],
- ['a', ['b', 'x'], False, '3', '</a>']],
- [['a', ['b', 'x'], False, '2', '</a>'],
- ['a', ['b', 'x'], False, '3', '</a>']],
- [['a', ['class', 'boo'], False, '8', '</a>']],
- )
-
- for attrib, exp in zip([
- withAttribute(b="x"),
- #withAttribute(B="x"),
- withAttribute(("b", "x")),
- #withAttribute(("B", "x")),
- withClass("boo"),
- ], expected):
-
- tagStart.setParseAction(attrib)
- result = expr.searchString(data)
-
- print(result.dump())
- self.assertEqual(result.asList(), exp, "Failed test, expected %s, got %s" % (expected, result.asList()))
-
-class NestedExpressionsTest(ParseTestCase):
- def runTest(self):
- """
- This unit test checks nestedExpr in these ways:
- - use of default arguments
- - use of non-default arguments (such as a pyparsing-defined comment
- expression in place of quotedString)
- - use of a custom content expression
- - use of a pyparsing expression for opener and closer is *OPTIONAL*
- - use of input data containing nesting delimiters
- - correct grouping of parsed tokens according to nesting of opening
- and closing delimiters in the input string
-
- (Unit test written by christoph... as part of the Google Highly Open Participation Contest)
- """
- from pyparsing import nestedExpr, Literal, Regex, restOfLine, quotedString
-
- #All defaults. Straight out of the example script. Also, qualifies for
- #the bonus: note the fact that (Z | (E^F) & D) is not parsed :-).
- # Tests for bug fixed in 1.4.10
- print("Test defaults:")
- teststring = "((ax + by)*C) (Z | (E^F) & D)"
-
- expr = nestedExpr()
-
- expected = [[['ax', '+', 'by'], '*C']]
- result = expr.parseString(teststring)
- print(result.dump())
- self.assertEqual(result.asList(), expected, "Defaults didn't work. That's a bad sign. Expected: %s, got: %s" % (expected, result))
-
- #Going through non-defaults, one by one; trying to think of anything
- #odd that might not be properly handled.
-
- #Change opener
- print("\nNon-default opener")
- opener = "["
- teststring = "[[ ax + by)*C)"
- expected = [[['ax', '+', 'by'], '*C']]
- expr = nestedExpr("[")
- result = expr.parseString(teststring)
- print(result.dump())
- self.assertEqual(result.asList(), expected, "Non-default opener didn't work. Expected: %s, got: %s" % (expected, result))
-
- #Change closer
- print("\nNon-default closer")
-
- teststring = "((ax + by]*C]"
- expected = [[['ax', '+', 'by'], '*C']]
- expr = nestedExpr(closer="]")
- result = expr.parseString(teststring)
- print(result.dump())
- self.assertEqual(result.asList(), expected, "Non-default closer didn't work. Expected: %s, got: %s" % (expected, result))
-
- # #Multicharacter opener, closer
- # opener = "bar"
- # closer = "baz"
- print("\nLiteral expressions for opener and closer")
-
- opener, closer = list(map(Literal, "bar baz".split()))
- expr = nestedExpr(opener, closer,
- content=Regex(r"([^b ]|b(?!a)|ba(?![rz]))+"))
-
- teststring = "barbar ax + bybaz*Cbaz"
- expected = [[['ax', '+', 'by'], '*C']]
- # expr = nestedExpr(opener, closer)
- result = expr.parseString(teststring)
- print(result.dump())
- self.assertEqual(result.asList(), expected, "Multicharacter opener and closer didn't work. Expected: %s, got: %s" % (expected, result))
-
- #Lisp-ish comments
- print("\nUse ignore expression (1)")
- comment = Regex(r";;.*")
- teststring = \
- """
- (let ((greeting "Hello, world!")) ;;(foo bar
- (display greeting))
- """
-
- expected = [['let', [['greeting', '"Hello,', 'world!"']], ';;(foo bar',\
- ['display', 'greeting']]]
- expr = nestedExpr(ignoreExpr=comment)
- result = expr.parseString(teststring)
- print(result.dump())
- self.assertEqual(result.asList(), expected , "Lisp-ish comments (\";; <...> $\") didn't work. Expected: %s, got: %s" % (expected, result))
-
-
- #Lisp-ish comments, using a standard bit of pyparsing, and an Or.
- print("\nUse ignore expression (2)")
- comment = ';;' + restOfLine
-
- teststring = \
- """
- (let ((greeting "Hello, )world!")) ;;(foo bar
- (display greeting))
- """
-
- expected = [['let', [['greeting', '"Hello, )world!"']], ';;', '(foo bar',
- ['display', 'greeting']]]
- expr = nestedExpr(ignoreExpr=(comment ^ quotedString))
- result = expr.parseString(teststring)
- print(result.dump())
- self.assertEqual(result.asList(), expected ,
- "Lisp-ish comments (\";; <...> $\") and quoted strings didn't work. Expected: %s, got: %s" % (expected, result))
-
-class WordExcludeTest(ParseTestCase):
- def runTest(self):
- from pyparsing import Word, printables
- allButPunc = Word(printables, excludeChars=".,:;-_!?")
-
- test = "Hello, Mr. Ed, it's Wilbur!"
- result = allButPunc.searchString(test).asList()
- print(result)
- self.assertEqual(result, [['Hello'], ['Mr'], ['Ed'], ["it's"], ['Wilbur']], "failed WordExcludeTest")
-
-class ParseAllTest(ParseTestCase):
- def runTest(self):
- from pyparsing import Word, cppStyleComment
-
- testExpr = Word("A")
-
- tests = [
- ("AAAAA", False, True),
- ("AAAAA", True, True),
- ("AAABB", False, True),
- ("AAABB", True, False),
- ]
- for s, parseAllFlag, shouldSucceed in tests:
- try:
- print("'%s' parseAll=%s (shouldSucceed=%s)" % (s, parseAllFlag, shouldSucceed))
- testExpr.parseString(s, parseAll=parseAllFlag)
- self.assertTrue(shouldSucceed, "successfully parsed when should have failed")
- except ParseException as pe:
- print(pe.explain(pe))
- self.assertFalse(shouldSucceed, "failed to parse when should have succeeded")
-
- # add test for trailing comments
- testExpr.ignore(cppStyleComment)
-
- tests = [
- ("AAAAA //blah", False, True),
- ("AAAAA //blah", True, True),
- ("AAABB //blah", False, True),
- ("AAABB //blah", True, False),
- ]
- for s, parseAllFlag, shouldSucceed in tests:
- try:
- print("'%s' parseAll=%s (shouldSucceed=%s)" % (s, parseAllFlag, shouldSucceed))
- testExpr.parseString(s, parseAll=parseAllFlag)
- self.assertTrue(shouldSucceed, "successfully parsed when should have failed")
- except ParseException as pe:
- print(pe.explain(pe))
- self.assertFalse(shouldSucceed, "failed to parse when should have succeeded")
-
- # add test with very long expression string
- # testExpr = pp.MatchFirst([pp.Literal(c) for c in pp.printables if c != 'B'])[1, ...]
- anything_but_an_f = pp.OneOrMore(pp.MatchFirst([pp.Literal(c) for c in pp.printables if c != 'f']))
- testExpr = pp.Word('012') + anything_but_an_f
-
- tests = [
- ("00aab", False, True),
- ("00aab", True, True),
- ("00aaf", False, True),
- ("00aaf", True, False),
- ]
- for s, parseAllFlag, shouldSucceed in tests:
- try:
- print("'%s' parseAll=%s (shouldSucceed=%s)" % (s, parseAllFlag, shouldSucceed))
- testExpr.parseString(s, parseAll=parseAllFlag)
- self.assertTrue(shouldSucceed, "successfully parsed when should have failed")
- except ParseException as pe:
- print(pe.explain(pe))
- self.assertFalse(shouldSucceed, "failed to parse when should have succeeded")
-
-
-class GreedyQuotedStringsTest(ParseTestCase):
- def runTest(self):
- from pyparsing import QuotedString, sglQuotedString, dblQuotedString, quotedString, delimitedList
-
- src = """\
- "string1", "strin""g2"
- 'string1', 'string2'
- ^string1^, ^string2^
- <string1>, <string2>"""
-
- testExprs = (sglQuotedString, dblQuotedString, quotedString,
- QuotedString('"', escQuote='""'), QuotedString("'", escQuote="''"),
- QuotedString("^"), QuotedString("<", endQuoteChar=">"))
- for expr in testExprs:
- strs = delimitedList(expr).searchString(src)
- print(strs)
- self.assertTrue(bool(strs), "no matches found for test expression '%s'" % expr)
- for lst in strs:
- self.assertEqual(len(lst), 2, "invalid match found for test expression '%s'" % expr)
-
- from pyparsing import alphas, nums, Word
- src = """'ms1',1,0,'2009-12-22','2009-12-22 10:41:22') ON DUPLICATE KEY UPDATE sent_count = sent_count + 1, mtime = '2009-12-22 10:41:22';"""
- tok_sql_quoted_value = (
- QuotedString("'", "\\", "''", True, False) ^
- QuotedString('"', "\\", '""', True, False))
- tok_sql_computed_value = Word(nums)
- tok_sql_identifier = Word(alphas)
-
- val = tok_sql_quoted_value | tok_sql_computed_value | tok_sql_identifier
- vals = delimitedList(val)
- print(vals.parseString(src))
- self.assertEqual(len(vals.parseString(src)), 5, "error in greedy quote escaping")
-
-
-class WordBoundaryExpressionsTest(ParseTestCase):
- def runTest(self):
- from pyparsing import WordEnd, WordStart, oneOf
-
- ws = WordStart()
- we = WordEnd()
- vowel = oneOf(list("AEIOUY"))
- consonant = oneOf(list("BCDFGHJKLMNPQRSTVWXZ"))
-
- leadingVowel = ws + vowel
- trailingVowel = vowel + we
- leadingConsonant = ws + consonant
- trailingConsonant = consonant + we
- internalVowel = ~ws + vowel + ~we
-
- bnf = leadingVowel | trailingVowel
-
- tests = """\
- ABC DEF GHI
- JKL MNO PQR
- STU VWX YZ """.splitlines()
- tests.append("\n".join(tests))
-
- expectedResult = [
- [['D', 'G'], ['A'], ['C', 'F'], ['I'], ['E'], ['A', 'I']],
- [['J', 'M', 'P'], [], ['L', 'R'], ['O'], [], ['O']],
- [['S', 'V'], ['Y'], ['X', 'Z'], ['U'], [], ['U', 'Y']],
- [['D', 'G', 'J', 'M', 'P', 'S', 'V'],
- ['A', 'Y'],
- ['C', 'F', 'L', 'R', 'X', 'Z'],
- ['I', 'O', 'U'],
- ['E'],
- ['A', 'I', 'O', 'U', 'Y']],
- ]
-
- for t, expected in zip(tests, expectedResult):
- print(t)
- results = [flatten(e.searchString(t).asList()) for e in [
- leadingConsonant,
- leadingVowel,
- trailingConsonant,
- trailingVowel,
- internalVowel,
- bnf,
- ]]
- print(results)
- print()
- self.assertEqual(results, expected, "Failed WordBoundaryTest, expected %s, got %s" % (expected, results))
-
-class RequiredEachTest(ParseTestCase):
- def runTest(self):
- from pyparsing import Keyword
-
- parser = Keyword('bam') & Keyword('boo')
- try:
- res1 = parser.parseString('bam boo')
- print(res1.asList())
- res2 = parser.parseString('boo bam')
- print(res2.asList())
- except ParseException:
- failed = True
- else:
- failed = False
- self.assertFalse(failed, "invalid logic in Each")
-
- self.assertEqual(set(res1), set(res2), "Failed RequiredEachTest, expected "
- + str(res1.asList()) + " and " + str(res2.asList())
- + "to contain same words in any order")
-
-class OptionalEachTest(ParseTestCase):
- def runTest1(self):
- from pyparsing import Optional, Keyword
-
- the_input = "Major Tal Weiss"
- parser1 = (Optional('Tal') + Optional('Weiss')) & Keyword('Major')
- parser2 = Optional(Optional('Tal') + Optional('Weiss')) & Keyword('Major')
- p1res = parser1.parseString(the_input)
- p2res = parser2.parseString(the_input)
- self.assertEqual(p1res.asList(), p2res.asList(),
- "Each failed to match with nested Optionals, "
- + str(p1res.asList()) + " should match " + str(p2res.asList()))
-
- def runTest2(self):
- from pyparsing import Word, alphanums, OneOrMore, Group, Regex, Optional
-
- word = Word(alphanums + '_').setName("word")
- with_stmt = 'with' + OneOrMore(Group(word('key') + '=' + word('value')))('overrides')
- using_stmt = 'using' + Regex('id-[0-9a-f]{8}')('id')
- modifiers = Optional(with_stmt('with_stmt')) & Optional(using_stmt('using_stmt'))
-
- self.assertEqual(modifiers, "with foo=bar bing=baz using id-deadbeef")
- self.assertNotEqual(modifiers, "with foo=bar bing=baz using id-deadbeef using id-feedfeed")
-
- def runTest3(self):
- from pyparsing import Literal, Suppress
-
- foo = Literal('foo')
- bar = Literal('bar')
-
- openBrace = Suppress(Literal("{"))
- closeBrace = Suppress(Literal("}"))
-
- exp = openBrace + (foo[1, ...]("foo") & bar[...]("bar")) + closeBrace
-
- tests = """\
- {foo}
- {bar foo bar foo bar foo}
- """.splitlines()
- for test in tests:
- test = test.strip()
- if not test:
- continue
- result = exp.parseString(test)
- print(test, '->', result.asList())
- self.assertEqual(result.asList(), test.strip("{}").split(), "failed to parse Each expression %r" % test)
- print(result.dump())
-
- try:
- result = exp.parseString("{bar}")
- self.assertTrue(False, "failed to raise exception when required element is missing")
- except ParseException as pe:
- pass
-
- def runTest4(self):
- from pyparsing import pyparsing_common, Group
-
- expr = ((~pyparsing_common.iso8601_date + pyparsing_common.integer("id"))
- & (Group(pyparsing_common.iso8601_date)("date*")[...]))
-
- expr.runTests("""
- 1999-12-31 100 2001-01-01
- 42
- """)
-
-
- def runTest(self):
- self.runTest1()
- self.runTest2()
- self.runTest3()
- self.runTest4()
-
-class EachWithParseFatalExceptionTest(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
- ppc = pp.pyparsing_common
-
- option_expr = pp.Keyword('options') - '(' + ppc.integer + ')'
- step_expr1 = pp.Keyword('step') - '(' + ppc.integer + ")"
- step_expr2 = pp.Keyword('step') - '(' + ppc.integer + "Z" + ")"
- step_expr = step_expr1 ^ step_expr2
-
- parser = option_expr & step_expr[...]
- tests = [
- ("options(100) step(A)", "Expected integer, found 'A' (at char 18), (line:1, col:19)"),
- ("step(A) options(100)", "Expected integer, found 'A' (at char 5), (line:1, col:6)"),
- ("options(100) step(100A)", """Expected "Z", found 'A' (at char 21), (line:1, col:22)"""),
- ("options(100) step(22) step(100ZA)",
- """Expected ")", found 'A' (at char 31), (line:1, col:32)"""),
- ]
- test_lookup = dict(tests)
-
- success, output = parser.runTests((t[0] for t in tests), failureTests=True)
- for test_str, result in output:
- self.assertEqual(test_lookup[test_str], str(result),
- "incorrect exception raised for test string {!r}".format(test_str))
-
-class SumParseResultsTest(ParseTestCase):
- def runTest(self):
-
- samplestr1 = "garbage;DOB 10-10-2010;more garbage\nID PARI12345678;more garbage"
- samplestr2 = "garbage;ID PARI12345678;more garbage\nDOB 10-10-2010;more garbage"
- samplestr3 = "garbage;DOB 10-10-2010"
- samplestr4 = "garbage;ID PARI12345678;more garbage- I am cool"
-
- res1 = "ID:PARI12345678 DOB:10-10-2010 INFO:"
- res2 = "ID:PARI12345678 DOB:10-10-2010 INFO:"
- res3 = "ID: DOB:10-10-2010 INFO:"
- res4 = "ID:PARI12345678 DOB: INFO: I am cool"
-
- from pyparsing import Regex, Word, alphanums, restOfLine
- dob_ref = "DOB" + Regex(r"\d{2}-\d{2}-\d{4}")("dob")
- id_ref = "ID" + Word(alphanums, exact=12)("id")
- info_ref = "-" + restOfLine("info")
-
- person_data = dob_ref | id_ref | info_ref
-
- tests = (samplestr1, samplestr2, samplestr3, samplestr4,)
- results = (res1, res2, res3, res4,)
- for test, expected in zip(tests, results):
- person = sum(person_data.searchString(test))
- result = "ID:%s DOB:%s INFO:%s" % (person.id, person.dob, person.info)
- print(test)
- print(expected)
- print(result)
- for pd in person_data.searchString(test):
- print(pd.dump())
- print()
- self.assertEqual(expected, result,
- "Failed to parse '%s' correctly, \nexpected '%s', got '%s'" % (test, expected, result))
-
-class MarkInputLineTest(ParseTestCase):
- def runTest(self):
-
- samplestr1 = "DOB 100-10-2010;more garbage\nID PARI12345678;more garbage"
-
- from pyparsing import Regex
- dob_ref = "DOB" + Regex(r"\d{2}-\d{2}-\d{4}")("dob")
-
- try:
- res = dob_ref.parseString(samplestr1)
- except ParseException as pe:
- outstr = pe.markInputline()
- print(outstr)
- self.assertEqual(outstr, "DOB >!<100-10-2010;more garbage", "did not properly create marked input line")
- else:
- self.assertEqual(False, "test construction failed - should have raised an exception")
-
-class LocatedExprTest(ParseTestCase):
- def runTest(self):
-
- # 012345678901234567890123456789012345678901234567890
- samplestr1 = "DOB 10-10-2010;more garbage;ID PARI12345678 ;more garbage"
-
- from pyparsing import Word, alphanums, locatedExpr
- id_ref = locatedExpr("ID" + Word(alphanums, exact=12)("id"))
-
- res = id_ref.searchString(samplestr1)[0][0]
- print(res.dump())
- self.assertEqual(samplestr1[res.locn_start:res.locn_end], 'ID PARI12345678', "incorrect location calculation")
-
-
-class PopTest(ParseTestCase):
- def runTest(self):
- from pyparsing import Word, alphas, nums
-
- source = "AAA 123 456 789 234"
- patt = Word(alphas)("name") + Word(nums) * (1,)
-
- result = patt.parseString(source)
- tests = [
- (0, 'AAA', ['123', '456', '789', '234']),
- (None, '234', ['123', '456', '789']),
- ('name', 'AAA', ['123', '456', '789']),
- (-1, '789', ['123', '456']),
- ]
- for test in tests:
- idx, val, remaining = test
- if idx is not None:
- ret = result.pop(idx)
- else:
- ret = result.pop()
- print("EXP:", val, remaining)
- print("GOT:", ret, result.asList())
- print(ret, result.asList())
- self.assertEqual(ret, val, "wrong value returned, got %r, expected %r" % (ret, val))
- self.assertEqual(remaining, result.asList(),
- "list is in wrong state after pop, got %r, expected %r" % (result.asList(), remaining))
- print()
-
- prevlist = result.asList()
- ret = result.pop('name', default="noname")
- print(ret)
- print(result.asList())
- self.assertEqual(ret, "noname",
- "default value not successfully returned, got %r, expected %r" % (ret, "noname"))
- self.assertEqual(result.asList(), prevlist,
- "list is in wrong state after pop, got %r, expected %r" % (result.asList(), remaining))
-
-
-class AddConditionTest(ParseTestCase):
- def runTest(self):
- from pyparsing import Word, nums, Suppress, ParseFatalException
-
- numParser = Word(nums)
- numParser.addParseAction(lambda s, l, t: int(t[0]))
- numParser.addCondition(lambda s, l, t: t[0] % 2)
- numParser.addCondition(lambda s, l, t: t[0] >= 7)
-
- result = numParser.searchString("1 2 3 4 5 6 7 8 9 10")
- print(result.asList())
- self.assertEqual(result.asList(), [[7], [9]], "failed to properly process conditions")
-
- numParser = Word(nums)
- numParser.addParseAction(lambda s, l, t: int(t[0]))
- rangeParser = (numParser("from_") + Suppress('-') + numParser("to"))
-
- result = rangeParser.searchString("1-4 2-4 4-3 5 6 7 8 9 10")
- print(result.asList())
- self.assertEqual(result.asList(), [[1, 4], [2, 4], [4, 3]], "failed to properly process conditions")
-
- rangeParser.addCondition(lambda t: t.to > t.from_, message="from must be <= to", fatal=False)
- result = rangeParser.searchString("1-4 2-4 4-3 5 6 7 8 9 10")
- print(result.asList())
- self.assertEqual(result.asList(), [[1, 4], [2, 4]], "failed to properly process conditions")
-
- rangeParser = (numParser("from_") + Suppress('-') + numParser("to"))
- rangeParser.addCondition(lambda t: t.to > t.from_, message="from must be <= to", fatal=True)
- try:
- result = rangeParser.searchString("1-4 2-4 4-3 5 6 7 8 9 10")
- self.assertTrue(False, "failed to interrupt parsing on fatal condition failure")
- except ParseFatalException:
- print("detected fatal condition")
-
-class PatientOrTest(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
-
- # Two expressions and a input string which could - syntactically - be matched against
- # both expressions. The "Literal" expression is considered invalid though, so this PE
- # should always detect the "Word" expression.
- def validate(token):
- if token[0] == "def":
- raise pp.ParseException("signalling invalid token")
- return token
-
- a = pp.Word("de").setName("Word")#.setDebug()
- b = pp.Literal("def").setName("Literal").setParseAction(validate)#.setDebug()
- c = pp.Literal("d").setName("d")#.setDebug()
-
- # The "Literal" expressions's ParseAction is not executed directly after syntactically
- # detecting the "Literal" Expression but only after the Or-decision has been made
- # (which is too late)...
- try:
- result = (a ^ b ^ c).parseString("def")
- self.assertEqual(result.asList(), ['de'], "failed to select longest match, chose %s" % result)
- except ParseException:
- failed = True
- else:
- failed = False
- self.assertFalse(failed, "invalid logic in Or, fails on longest match with exception in parse action")
-
- # from issue #93
- word = pp.Word(pp.alphas).setName('word')
- word_1 = pp.Word(pp.alphas).setName('word_1').addCondition(lambda t: len(t[0]) == 1)
-
- a = word + (word_1 + word ^ word)
- b = word * 3
- c = a ^ b
- c.streamline()
- print(c)
- test_string = 'foo bar temp'
- result = c.parseString(test_string)
- print(test_string, '->', result.asList())
-
- self.assertEqual(result.asList(), test_string.split(), "failed to match longest choice")
-
-
-class EachWithOptionalWithResultsNameTest(ParseTestCase):
- def runTest(self):
- from pyparsing import Optional
-
- result = (Optional('foo')('one') & Optional('bar')('two')).parseString('bar foo')
- print(result.dump())
- self.assertEqual(sorted(result.keys()), ['one', 'two'])
-
-class UnicodeExpressionTest(ParseTestCase):
- def runTest(self):
- from pyparsing import Literal, ParseException
-
- z = 'a' | Literal('\u1111')
- z.streamline()
- try:
- z.parseString('b')
- except ParseException as pe:
- self.assertEqual(pe.msg, r'''Expected {"a" | "ᄑ"}''',
- "Invalid error message raised, got %r" % pe.msg)
-
-class SetNameTest(ParseTestCase):
- def runTest(self):
- from pyparsing import (oneOf, infixNotation, Word, nums, opAssoc, delimitedList, countedArray,
- nestedExpr, makeHTMLTags, anyOpenTag, anyCloseTag, commonHTMLEntity, replaceHTMLEntity,
- Forward)
-
- a = oneOf("a b c")
- b = oneOf("d e f")
- arith_expr = infixNotation(Word(nums),
- [
- (oneOf('* /'), 2, opAssoc.LEFT),
- (oneOf('+ -'), 2, opAssoc.LEFT),
- ])
- arith_expr2 = infixNotation(Word(nums),
- [
- (('?', ':'), 3, opAssoc.LEFT),
- ])
- recursive = Forward()
- recursive <<= a + (b + recursive)[...]
-
- tests = [
- a,
- b,
- (a | b),
- arith_expr,
- arith_expr.expr,
- arith_expr2,
- arith_expr2.expr,
- recursive,
- delimitedList(Word(nums).setName("int")),
- countedArray(Word(nums).setName("int")),
- nestedExpr(),
- makeHTMLTags('Z'),
- (anyOpenTag, anyCloseTag),
- commonHTMLEntity,
- commonHTMLEntity.setParseAction(replaceHTMLEntity).transformString("lsdjkf &lt;lsdjkf&gt;&amp;&apos;&quot;&xyzzy;"),
- ]
-
- expected = map(str.strip, """\
- a | b | c
- d | e | f
- {a | b | c | d | e | f}
- Forward: + | - term
- + | - term
- Forward: ?: term
- ?: term
- Forward: {a | b | c [{d | e | f : ...}]...}
- int [, int]...
- (len) int...
- nested () expression
- (<Z>, </Z>)
- (<any tag>, </any tag>)
- common HTML entity
- lsdjkf <lsdjkf>&'"&xyzzy;""".splitlines())
-
- for t, e in zip(tests, expected):
- tname = str(t)
- print(tname)
- self.assertEqual(tname, e, "expression name mismatch, expected {} got {}".format(e, tname))
-
-class TrimArityExceptionMaskingTest(ParseTestCase):
- def runTest(self):
- from pyparsing import Word
-
- invalid_message = "<lambda>() missing 1 required positional argument: 't'"
- try:
- Word('a').setParseAction(lambda t: t[0] + 1).parseString('aaa')
- except Exception as e:
- exc_msg = str(e)
- self.assertNotEqual(exc_msg, invalid_message, "failed to catch TypeError thrown in _trim_arity")
-
-class TrimArityExceptionMaskingTest2(ParseTestCase):
- def runTest(self):
- # construct deep call tree
- def A():
- import traceback
-
- traceback.print_stack(limit=2)
-
- from pyparsing import Word
-
- invalid_message = "<lambda>() missing 1 required positional argument: 't'"
- try:
- Word('a').setParseAction(lambda t: t[0] + 1).parseString('aaa')
- except Exception as e:
- exc_msg = str(e)
- self.assertNotEqual(exc_msg, invalid_message, "failed to catch TypeError thrown in _trim_arity")
-
-
- def B():
- A()
-
- def C():
- B()
-
- def D():
- C()
-
- def E():
- D()
-
- def F():
- E()
-
- def G():
- F()
-
- def H():
- G()
-
- def J():
- H()
-
- def K():
- J()
-
- K()
-
-
-class ClearParseActionsTest(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
- ppc = pp.pyparsing_common
-
- realnum = ppc.real()
- self.assertEqual(realnum.parseString("3.14159")[0], 3.14159, "failed basic real number parsing")
-
- # clear parse action that converts to float
- realnum.setParseAction(None)
- self.assertEqual(realnum.parseString("3.14159")[0], "3.14159", "failed clearing parse action")
-
- # add a new parse action that tests if a '.' is prsent
- realnum.addParseAction(lambda t: '.' in t[0])
- self.assertEqual(realnum.parseString("3.14159")[0], True,
- "failed setting new parse action after clearing parse action")
-
-class OneOrMoreStopTest(ParseTestCase):
- def runTest(self):
- from pyparsing import (Word, OneOrMore, alphas, Keyword, CaselessKeyword,
- nums, alphanums)
-
- test = "BEGIN aaa bbb ccc END"
- BEGIN, END = map(Keyword, "BEGIN,END".split(','))
- body_word = Word(alphas).setName("word")
- for ender in (END, "END", CaselessKeyword("END")):
- expr = BEGIN + OneOrMore(body_word, stopOn=ender) + END
- self.assertEqual(test, expr, "Did not successfully stop on ending expression %r" % ender)
-
- expr = BEGIN + body_word[...].stopOn(ender) + END
- self.assertEqual(test, expr, "Did not successfully stop on ending expression %r" % ender)
-
- number = Word(nums + ',.()').setName("number with optional commas")
- parser= (OneOrMore(Word(alphanums + '-/.'), stopOn=number)('id').setParseAction(' '.join)
- + number('data'))
- result = parser.parseString(' XXX Y/123 1,234.567890')
- self.assertEqual(result.asList(), ['XXX Y/123', '1,234.567890'],
- "Did not successfully stop on ending expression %r" % number)
-
-class ZeroOrMoreStopTest(ParseTestCase):
- def runTest(self):
- from pyparsing import (Word, ZeroOrMore, alphas, Keyword, CaselessKeyword)
-
- test = "BEGIN END"
- BEGIN, END = map(Keyword, "BEGIN,END".split(','))
- body_word = Word(alphas).setName("word")
- for ender in (END, "END", CaselessKeyword("END")):
- expr = BEGIN + ZeroOrMore(body_word, stopOn=ender) + END
- self.assertEqual(test, expr, "Did not successfully stop on ending expression %r" % ender)
-
- expr = BEGIN + body_word[0, ...].stopOn(ender) + END
- self.assertEqual(test, expr, "Did not successfully stop on ending expression %r" % ender)
-
-class NestedAsDictTest(ParseTestCase):
- def runTest(self):
- from pyparsing import Literal, Forward, alphanums, Group, delimitedList, Dict, Word, Optional
-
- equals = Literal("=").suppress()
- lbracket = Literal("[").suppress()
- rbracket = Literal("]").suppress()
- lbrace = Literal("{").suppress()
- rbrace = Literal("}").suppress()
-
- value_dict = Forward()
- value_list = Forward()
- value_string = Word(alphanums + "@. ")
-
- value = value_list ^ value_dict ^ value_string
- values = Group(delimitedList(value, ","))
- #~ values = delimitedList(value, ",").setParseAction(lambda toks: [toks.asList()])
-
- value_list << lbracket + values + rbracket
-
- identifier = Word(alphanums + "_.")
-
- assignment = Group(identifier + equals + Optional(value))
- assignments = Dict(delimitedList(assignment, ';'))
- value_dict << lbrace + assignments + rbrace
-
- response = assignments
-
- rsp = 'username=goat; errors={username=[already taken, too short]}; empty_field='
- result_dict = response.parseString(rsp).asDict()
- print(result_dict)
- self.assertEqual(result_dict['username'], 'goat', "failed to process string in ParseResults correctly")
- self.assertEqual(result_dict['errors']['username'], ['already taken', 'too short'],
- "failed to process nested ParseResults correctly")
-
-class TraceParseActionDecoratorTest(ParseTestCase):
- def runTest(self):
- from pyparsing import traceParseAction, Word, nums
-
- @traceParseAction
- def convert_to_int(t):
- return int(t[0])
-
- class Z(object):
- def __call__(self, other):
- return other[0] * 1000
-
- integer = Word(nums).addParseAction(convert_to_int)
- integer.addParseAction(traceParseAction(lambda t: t[0] * 10))
- integer.addParseAction(traceParseAction(Z()))
- integer.parseString("132")
-
-class RunTestsTest(ParseTestCase):
- def runTest(self):
- from pyparsing import Word, nums, delimitedList
-
- integer = Word(nums).setParseAction(lambda t : int(t[0]))
- intrange = integer("start") + '-' + integer("end")
- intrange.addCondition(lambda t: t.end > t.start, message="invalid range, start must be <= end", fatal=True)
- intrange.addParseAction(lambda t: list(range(t.start, t.end + 1)))
-
- indices = delimitedList(intrange | integer)
- indices.addParseAction(lambda t: sorted(set(t)))
-
- tests = """\
- # normal data
- 1-3,2-4,6,8-10,16
-
- # lone integer
- 11"""
- results = indices.runTests(tests, printResults=False)[1]
-
- expectedResults = [
- [1, 2, 3, 4, 6, 8, 9, 10, 16],
- [11],
- ]
- for res, expected in zip(results, expectedResults):
- print(res[1].asList())
- print(expected)
- self.assertEqual(res[1].asList(), expected, "failed test: " + str(expected))
-
- tests = """\
- # invalid range
- 1-2, 3-1, 4-6, 7, 12
- """
- success = indices.runTests(tests, printResults=False, failureTests=True)[0]
- self.assertTrue(success, "failed to raise exception on improper range test")
-
-class RunTestsPostParseTest(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
-
- integer = pp.pyparsing_common.integer
- fraction = integer('numerator') + '/' + integer('denominator')
-
- accum = []
- def eval_fraction(test, result):
- accum.append((test, result.asList()))
- return "eval: {}".format(result.numerator / result.denominator)
-
- success = fraction.runTests("""\
- 1/2
- 1/0
- """, postParse=eval_fraction)[0]
- print(success)
-
- self.assertTrue(success, "failed to parse fractions in RunTestsPostParse")
-
- expected_accum = [('1/2', [1, '/', 2]), ('1/0', [1, '/', 0])]
- self.assertEqual(accum, expected_accum, "failed to call postParse method during runTests")
-
-class CommonExpressionsTest(ParseTestCase):
- def runTest(self):
- from pyparsing import pyparsing_common
- import ast
-
- success = pyparsing_common.mac_address.runTests("""
- AA:BB:CC:DD:EE:FF
- AA.BB.CC.DD.EE.FF
- AA-BB-CC-DD-EE-FF
- """)[0]
- self.assertTrue(success, "error in parsing valid MAC address")
-
- success = pyparsing_common.mac_address.runTests("""
- # mixed delimiters
- AA.BB:CC:DD:EE:FF
- """, failureTests=True)[0]
- self.assertTrue(success, "error in detecting invalid mac address")
-
- success = pyparsing_common.ipv4_address.runTests("""
- 0.0.0.0
- 1.1.1.1
- 127.0.0.1
- 1.10.100.199
- 255.255.255.255
- """)[0]
- self.assertTrue(success, "error in parsing valid IPv4 address")
-
- success = pyparsing_common.ipv4_address.runTests("""
- # out of range value
- 256.255.255.255
- """, failureTests=True)[0]
- self.assertTrue(success, "error in detecting invalid IPv4 address")
-
- success = pyparsing_common.ipv6_address.runTests("""
- 2001:0db8:85a3:0000:0000:8a2e:0370:7334
- 2134::1234:4567:2468:1236:2444:2106
- 0:0:0:0:0:0:A00:1
- 1080::8:800:200C:417A
- ::A00:1
-
- # loopback address
- ::1
-
- # the null address
- ::
-
- # ipv4 compatibility form
- ::ffff:192.168.0.1
- """)[0]
- self.assertTrue(success, "error in parsing valid IPv6 address")
-
- success = pyparsing_common.ipv6_address.runTests("""
- # too few values
- 1080:0:0:0:8:800:200C
-
- # too many ::'s, only 1 allowed
- 2134::1234:4567::2444:2106
- """, failureTests=True)[0]
- self.assertTrue(success, "error in detecting invalid IPv6 address")
-
- success = pyparsing_common.number.runTests("""
- 100
- -100
- +100
- 3.14159
- 6.02e23
- 1e-12
- """)[0]
- self.assertTrue(success, "error in parsing valid numerics")
-
- success = pyparsing_common.sci_real.runTests("""
- 1e12
- -1e12
- 3.14159
- 6.02e23
- """)[0]
- self.assertTrue(success, "error in parsing valid scientific notation reals")
-
- # any int or real number, returned as float
- success = pyparsing_common.fnumber.runTests("""
- 100
- -100
- +100
- 3.14159
- 6.02e23
- 1e-12
- """)[0]
- self.assertTrue(success, "error in parsing valid numerics")
-
- success, results = pyparsing_common.iso8601_date.runTests("""
- 1997
- 1997-07
- 1997-07-16
- """)
- self.assertTrue(success, "error in parsing valid iso8601_date")
- expected = [
- ('1997', None, None),
- ('1997', '07', None),
- ('1997', '07', '16'),
- ]
- for r, exp in zip(results, expected):
- self.assertTrue((r[1].year, r[1].month, r[1].day,) == exp, "failed to parse date into fields")
-
- success, results = pyparsing_common.iso8601_date().addParseAction(pyparsing_common.convertToDate()).runTests("""
- 1997-07-16
- """)
- self.assertTrue(success, "error in parsing valid iso8601_date with parse action")
- self.assertTrue(results[0][1][0] == datetime.date(1997, 7, 16))
-
- success, results = pyparsing_common.iso8601_datetime.runTests("""
- 1997-07-16T19:20+01:00
- 1997-07-16T19:20:30+01:00
- 1997-07-16T19:20:30.45Z
- 1997-07-16 19:20:30.45
- """)
- self.assertTrue(success, "error in parsing valid iso8601_datetime")
-
- success, results = pyparsing_common.iso8601_datetime().addParseAction(pyparsing_common.convertToDatetime()).runTests("""
- 1997-07-16T19:20:30.45
- """)
- self.assertTrue(success, "error in parsing valid iso8601_datetime")
- self.assertTrue(results[0][1][0] == datetime.datetime(1997, 7, 16, 19, 20, 30, 450000))
-
- success = pyparsing_common.uuid.runTests("""
- 123e4567-e89b-12d3-a456-426655440000
- """)[0]
- self.assertTrue(success, "failed to parse valid uuid")
-
- success = pyparsing_common.fraction.runTests("""
- 1/2
- -15/16
- -3/-4
- """)[0]
- self.assertTrue(success, "failed to parse valid fraction")
-
- success = pyparsing_common.mixed_integer.runTests("""
- 1/2
- -15/16
- -3/-4
- 1 1/2
- 2 -15/16
- 0 -3/-4
- 12
- """)[0]
- self.assertTrue(success, "failed to parse valid mixed integer")
-
- success, results = pyparsing_common.number.runTests("""
- 100
- -3
- 1.732
- -3.14159
- 6.02e23""")
- self.assertTrue(success, "failed to parse numerics")
-
- for test, result in results:
- expected = ast.literal_eval(test)
- self.assertEqual(result[0], expected, "numeric parse failed (wrong value) (%s should be %s)" % (result[0], expected))
- self.assertEqual(type(result[0]), type(expected), "numeric parse failed (wrong type) (%s should be %s)" % (type(result[0]), type(expected)))
-
-
-class NumericExpressionsTest(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
- ppc = pp.pyparsing_common
-
- # disable parse actions that do type conversion so we don't accidentally trigger
- # conversion exceptions when what we want to check is the parsing expression
- real = ppc.real().setParseAction(None)
- sci_real = ppc.sci_real().setParseAction(None)
- signed_integer = ppc.signed_integer().setParseAction(None)
-
- from itertools import product
-
- def make_tests():
- leading_sign = ['+', '-', '']
- leading_digit = ['0', '']
- dot = ['.', '']
- decimal_digit = ['1', '']
- e = ['e', 'E', '']
- e_sign = ['+', '-', '']
- e_int = ['22', '']
- stray = ['9', '.', '']
-
- seen = set()
- seen.add('')
- for parts in product(leading_sign, stray, leading_digit, dot, decimal_digit, stray, e, e_sign, e_int,
- stray):
- parts_str = ''.join(parts).strip()
- if parts_str in seen:
- continue
- seen.add(parts_str)
- yield parts_str
-
- print(len(seen)-1, "tests produced")
-
- # collect tests into valid/invalid sets, depending on whether they evaluate to valid Python floats or ints
- valid_ints = set()
- valid_reals = set()
- valid_sci_reals = set()
- invalid_ints = set()
- invalid_reals = set()
- invalid_sci_reals = set()
-
- # check which strings parse as valid floats or ints, and store in related valid or invalid test sets
- for test_str in make_tests():
- if '.' in test_str or 'e' in test_str.lower():
- try:
- float(test_str)
- except ValueError:
- invalid_sci_reals.add(test_str)
- if 'e' not in test_str.lower():
- invalid_reals.add(test_str)
- else:
- valid_sci_reals.add(test_str)
- if 'e' not in test_str.lower():
- valid_reals.add(test_str)
-
- try:
- int(test_str)
- except ValueError:
- invalid_ints.add(test_str)
- else:
- valid_ints.add(test_str)
-
- # now try all the test sets against their respective expressions
- all_pass = True
- suppress_results = {'printResults': False}
- for expr, tests, is_fail, fn in zip([real, sci_real, signed_integer] * 2,
- [valid_reals, valid_sci_reals, valid_ints,
- invalid_reals, invalid_sci_reals, invalid_ints],
- [False, False, False, True, True, True],
- [float, float, int] * 2):
- #
- # success, test_results = expr.runTests(sorted(tests, key=len), failureTests=is_fail, **suppress_results)
- # filter_result_fn = (lambda r: isinstance(r, Exception),
- # lambda r: not isinstance(r, Exception))[is_fail]
- # print(expr, ('FAIL', 'PASS')[success], "{}valid tests ({})".format(len(tests),
- # 'in' if is_fail else ''))
- # if not success:
- # all_pass = False
- # for test_string, result in test_results:
- # if filter_result_fn(result):
- # try:
- # test_value = fn(test_string)
- # except ValueError as ve:
- # test_value = str(ve)
- # print("{!r}: {} {} {}".format(test_string, result,
- # expr.matches(test_string, parseAll=True), test_value))
-
- success = True
- for t in tests:
- if expr.matches(t, parseAll=True):
- if is_fail:
- print(t, "should fail but did not")
- success = False
- else:
- if not is_fail:
- print(t, "should not fail but did")
- success = False
- print(expr, ('FAIL', 'PASS')[success], "{}valid tests ({})".format('in' if is_fail else '',
- len(tests),))
- all_pass = all_pass and success
-
- self.assertTrue(all_pass, "failed one or more numeric tests")
-
-class TokenMapTest(ParseTestCase):
- def runTest(self):
- from pyparsing import tokenMap, Word, hexnums, OneOrMore
-
- parser = OneOrMore(Word(hexnums)).setParseAction(tokenMap(int, 16))
- success, report = parser.runTests("""
- 00 11 22 aa FF 0a 0d 1a
- """)
- # WAS:
- # self.assertTrue(success, "failed to parse hex integers")
- # print(results)
- # self.assertEqual(results[0][-1].asList(), [0, 17, 34, 170, 255, 10, 13, 26], "tokenMap parse action failed")
-
- # USING JUST assertParseResultsEquals
- # results = [rpt[1] for rpt in report]
- # self.assertParseResultsEquals(results[0], [0, 17, 34, 170, 255, 10, 13, 26],
- # msg="tokenMap parse action failed")
-
- # if I hadn't unpacked the return from runTests, I could have just passed it directly,
- # instead of reconstituting as a tuple
- self.assertRunTestResults((success, report),
- [
- ([0, 17, 34, 170, 255, 10, 13, 26], "tokenMap parse action failed"),
- ],
- msg="failed to parse hex integers")
-
-
-class ParseFileTest(ParseTestCase):
- def runTest(self):
- from pyparsing import pyparsing_common, OneOrMore
- s = """
- 123 456 789
- """
- input_file = StringIO(s)
- integer = pyparsing_common.integer
-
- results = OneOrMore(integer).parseFile(input_file)
- print(results)
-
- results = OneOrMore(integer).parseFile('test/parsefiletest_input_file.txt')
- print(results)
-
-
-class HTMLStripperTest(ParseTestCase):
- def runTest(self):
- from pyparsing import pyparsing_common, originalTextFor, OneOrMore, Word, printables
-
- sample = """
- <html>
- Here is some sample <i>HTML</i> text.
- </html>
- """
- read_everything = originalTextFor(OneOrMore(Word(printables)))
- read_everything.addParseAction(pyparsing_common.stripHTMLTags)
-
- result = read_everything.parseString(sample)
- self.assertEqual(result[0].strip(), 'Here is some sample HTML text.')
-
-class ExprSplitterTest(ParseTestCase):
- def runTest(self):
-
- from pyparsing import Literal, quotedString, pythonStyleComment, Empty
-
- expr = Literal(';') + Empty()
- expr.ignore(quotedString)
- expr.ignore(pythonStyleComment)
-
-
- sample = """
- def main():
- this_semi_does_nothing();
- neither_does_this_but_there_are_spaces_afterward();
- a = "a;b"; return a # this is a comment; it has a semicolon!
-
- def b():
- if False:
- z=1000;b("; in quotes"); c=200;return z
- return ';'
-
- class Foo(object):
- def bar(self):
- '''a docstring; with a semicolon'''
- a = 10; b = 11; c = 12
-
- # this comment; has several; semicolons
- if self.spam:
- x = 12; return x # so; does; this; one
- x = 15;;; y += x; return y
-
- def baz(self):
- return self.bar
- """
- expected = [
- [' this_semi_does_nothing()', ''],
- [' neither_does_this_but_there_are_spaces_afterward()', ''],
- [' a = "a;b"', 'return a # this is a comment; it has a semicolon!'],
- [' z=1000', 'b("; in quotes")', 'c=200', 'return z'],
- [" return ';'"],
- [" '''a docstring; with a semicolon'''"],
- [' a = 10', 'b = 11', 'c = 12'],
- [' # this comment; has several; semicolons'],
- [' x = 12', 'return x # so; does; this; one'],
- [' x = 15', '', '', 'y += x', 'return y'],
- ]
-
- exp_iter = iter(expected)
- for line in filter(lambda ll: ';' in ll, sample.splitlines()):
- print(str(list(expr.split(line))) + ',')
- self.assertEqual(list(expr.split(line)), next(exp_iter), "invalid split on expression")
-
- print()
-
- expected = [
- [' this_semi_does_nothing()', ';', ''],
- [' neither_does_this_but_there_are_spaces_afterward()', ';', ''],
- [' a = "a;b"', ';', 'return a # this is a comment; it has a semicolon!'],
- [' z=1000', ';', 'b("; in quotes")', ';', 'c=200', ';', 'return z'],
- [" return ';'"],
- [" '''a docstring; with a semicolon'''"],
- [' a = 10', ';', 'b = 11', ';', 'c = 12'],
- [' # this comment; has several; semicolons'],
- [' x = 12', ';', 'return x # so; does; this; one'],
- [' x = 15', ';', '', ';', '', ';', 'y += x', ';', 'return y'],
- ]
- exp_iter = iter(expected)
- for line in filter(lambda ll: ';' in ll, sample.splitlines()):
- print(str(list(expr.split(line, includeSeparators=True))) + ',')
- self.assertEqual(list(expr.split(line, includeSeparators=True)), next(exp_iter),
- "invalid split on expression")
-
- print()
-
-
- expected = [
- [' this_semi_does_nothing()', ''],
- [' neither_does_this_but_there_are_spaces_afterward()', ''],
- [' a = "a;b"', 'return a # this is a comment; it has a semicolon!'],
- [' z=1000', 'b("; in quotes"); c=200;return z'],
- [' a = 10', 'b = 11; c = 12'],
- [' x = 12', 'return x # so; does; this; one'],
- [' x = 15', ';; y += x; return y'],
- ]
- exp_iter = iter(expected)
- for line in sample.splitlines():
- pieces = list(expr.split(line, maxsplit=1))
- print(str(pieces) + ',')
- if len(pieces) == 2:
- exp = next(exp_iter)
- self.assertEqual(pieces, exp, "invalid split on expression with maxSplits=1")
- elif len(pieces) == 1:
- self.assertEqual(len(expr.searchString(line)), 0, "invalid split with maxSplits=1 when expr not present")
- else:
- print("\n>>> " + line)
- self.assertTrue(False, "invalid split on expression with maxSplits=1, corner case")
-
-class ParseFatalExceptionTest(ParseTestCase):
- def runTest(self):
-
- from pyparsing import Word, nums, ParseFatalException
-
- with self.assertRaisesParseException(exc_type=ParseFatalException,
- msg="failed to raise ErrorStop exception"):
- expr = "ZZZ" - Word(nums)
- expr.parseString("ZZZ bad")
-
- # WAS:
- # success = False
- # try:
- # expr = "ZZZ" - Word(nums)
- # expr.parseString("ZZZ bad")
- # except ParseFatalException as pfe:
- # print('ParseFatalException raised correctly')
- # success = True
- # except Exception as e:
- # print(type(e))
- # print(e)
- #
- # self.assertTrue(success, "bad handling of syntax error")
-
-class InlineLiteralsUsingTest(ParseTestCase):
- def runTest(self):
-
- from pyparsing import ParserElement, Suppress, Literal, CaselessLiteral, Word, alphas, oneOf, CaselessKeyword, nums
-
- wd = Word(alphas)
-
- ParserElement.inlineLiteralsUsing(Suppress)
- result = (wd + ',' + wd + oneOf("! . ?")).parseString("Hello, World!")
- self.assertEqual(len(result), 3, "inlineLiteralsUsing(Suppress) failed!")
-
- ParserElement.inlineLiteralsUsing(Literal)
- result = (wd + ',' + wd + oneOf("! . ?")).parseString("Hello, World!")
- self.assertEqual(len(result), 4, "inlineLiteralsUsing(Literal) failed!")
-
- ParserElement.inlineLiteralsUsing(CaselessKeyword)
- # WAS:
- # result = ("SELECT" + wd + "FROM" + wd).parseString("select color from colors")
- # self.assertEqual(result.asList(), "SELECT color FROM colors".split(),
- # "inlineLiteralsUsing(CaselessKeyword) failed!")
- self.assertParseAndCheckList("SELECT" + wd + "FROM" + wd,
- "select color from colors",
- expected_list=['SELECT', 'color', 'FROM', 'colors'],
- msg="inlineLiteralsUsing(CaselessKeyword) failed!")
-
- ParserElement.inlineLiteralsUsing(CaselessLiteral)
- # result = ("SELECT" + wd + "FROM" + wd).parseString("select color from colors")
- # self.assertEqual(result.asList(), "SELECT color FROM colors".split(),
- # "inlineLiteralsUsing(CaselessLiteral) failed!")
- self.assertParseAndCheckList("SELECT" + wd + "FROM" + wd,
- "select color from colors",
- expected_list=['SELECT', 'color', 'FROM', 'colors'],
- msg="inlineLiteralsUsing(CaselessLiteral) failed!")
-
- integer = Word(nums)
- ParserElement.inlineLiteralsUsing(Literal)
- date_str = integer("year") + '/' + integer("month") + '/' + integer("day")
- # result = date_str.parseString("1999/12/31")
- # self.assertEqual(result.asList(), ['1999', '/', '12', '/', '31'], "inlineLiteralsUsing(example 1) failed!")
- self.assertParseAndCheckList(date_str, "1999/12/31", expected_list=['1999', '/', '12', '/', '31'],
- msg="inlineLiteralsUsing(example 1) failed!")
-
- # change to Suppress
- ParserElement.inlineLiteralsUsing(Suppress)
- date_str = integer("year") + '/' + integer("month") + '/' + integer("day")
-
- # result = date_str.parseString("1999/12/31") # -> ['1999', '12', '31']
- # self.assertEqual(result.asList(), ['1999', '12', '31'], "inlineLiteralsUsing(example 2) failed!")
- self.assertParseAndCheckList(date_str, "1999/12/31", expected_list=['1999', '12', '31'],
- msg="inlineLiteralsUsing(example 2) failed!")
-
-class CloseMatchTest(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
-
- searchseq = pp.CloseMatch("ATCATCGAATGGA", 2)
-
- _, results = searchseq.runTests("""
- ATCATCGAATGGA
- XTCATCGAATGGX
- ATCATCGAAXGGA
- ATCAXXGAATGGA
- ATCAXXGAATGXA
- ATCAXXGAATGG
- """)
- expected = (
- [],
- [0, 12],
- [9],
- [4, 5],
- None,
- None
- )
-
- for r, exp in zip(results, expected):
- if exp is not None:
- self.assertEquals(r[1].mismatches, exp,
- "fail CloseMatch between %r and %r" % (searchseq.match_string, r[0]))
- print(r[0], 'exc: %s' % r[1] if exp is None and isinstance(r[1], Exception)
- else ("no match", "match")[r[1].mismatches == exp])
-
-class DefaultKeywordCharsTest(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
-
- with self.assertRaisesParseException(msg="failed to fail matching keyword using updated keyword chars"):
- pp.Keyword("start").parseString("start1000")
-
- try:
- pp.Keyword("start", identChars=pp.alphas).parseString("start1000")
- except pp.ParseException:
- self.assertTrue(False, "failed to match keyword using updated keyword chars")
-
- with resetting(pp.Keyword, "DEFAULT_KEYWORD_CHARS"):
- pp.Keyword.setDefaultKeywordChars(pp.alphas)
- try:
- pp.Keyword("start").parseString("start1000")
- except pp.ParseException:
- self.assertTrue(False, "failed to match keyword using updated keyword chars")
-
- with self.assertRaisesParseException(msg="failed to fail matching keyword using updated keyword chars"):
- pp.CaselessKeyword("START").parseString("start1000")
-
- try:
- pp.CaselessKeyword("START", identChars=pp.alphas).parseString("start1000")
- except pp.ParseException:
- self.assertTrue(False, "failed to match keyword using updated keyword chars")
-
- with resetting(pp.Keyword, "DEFAULT_KEYWORD_CHARS"):
- pp.Keyword.setDefaultKeywordChars(pp.alphas)
- try:
- pp.CaselessKeyword("START").parseString("start1000")
- except pp.ParseException:
- self.assertTrue(False, "failed to match keyword using updated keyword chars")
-
-class ColTest(ParseTestCase):
- def runTest(self):
-
- test = "*\n* \n* ALF\n*\n"
- initials = [c for i, c in enumerate(test) if pp.col(i, test) == 1]
- print(initials)
- self.assertTrue(len(initials) == 4 and all(c == '*' for c in initials), 'fail col test')
-
-class LiteralExceptionTest(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
-
- for cls in (pp.Literal, pp.CaselessLiteral, pp.Keyword, pp.CaselessKeyword,
- pp.Word, pp.Regex):
- expr = cls('xyz')#.setName('{}_expr'.format(cls.__name__.lower()))
-
- try:
- expr.parseString(' ')
- except Exception as e:
- print(cls.__name__, str(e))
- self.assertTrue(isinstance(e, pp.ParseBaseException),
- "class {} raised wrong exception type {}".format(cls.__name__, type(e).__name__))
-
-class ParseActionExceptionTest(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
- import traceback
-
- number = pp.Word(pp.nums)
- def number_action():
- raise IndexError # this is the important line!
-
- number.setParseAction(number_action)
- symbol = pp.Word('abcd', max=1)
- expr = number | symbol
-
- try:
- expr.parseString('1 + 2')
- except Exception as e:
- print_traceback = True
- try:
- self.assertTrue(hasattr(e, '__cause__'), "no __cause__ attribute in the raised exception")
- self.assertTrue(e.__cause__ is not None, "__cause__ not propagated to outer exception")
- self.assertTrue(type(e.__cause__) == IndexError, "__cause__ references wrong exception")
- print_traceback = False
- finally:
- if print_traceback:
- traceback.print_exc()
- else:
- self.assertTrue(False, "Expected ParseException not raised")
-
-class ParseActionNestingTest(ParseTestCase):
- # tests Issue #22
- def runTest(self):
-
- vals = pp.OneOrMore(pp.pyparsing_common.integer)("int_values")
- def add_total(tokens):
- tokens['total'] = sum(tokens)
- return tokens
- vals.addParseAction(add_total)
- results = vals.parseString("244 23 13 2343")
- print(results.dump())
- self.assertParseResultsEquals(results, expected_dict={'int_values': [244, 23, 13, 2343], 'total': 2623},
- msg="noop parse action changed ParseResults structure")
-
- name = pp.Word(pp.alphas)('name')
- score = pp.Word(pp.nums + '.')('score')
- nameScore = pp.Group(name + score)
- line1 = nameScore('Rider')
-
- result1 = line1.parseString('Mauney 46.5')
-
- print("### before parse action is added ###")
- print("result1.dump():\n" + result1.dump() + "\n")
- before_pa_dict = result1.asDict()
-
- line1.setParseAction(lambda t: t)
-
- result1 = line1.parseString('Mauney 46.5')
- after_pa_dict = result1.asDict()
-
- print("### after parse action was added ###")
- print("result1.dump():\n" + result1.dump() + "\n")
- self.assertEqual(before_pa_dict, after_pa_dict, "noop parse action changed ParseResults structure")
-
-class ParseResultsNameBelowUngroupedNameTest(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
-
- rule_num = pp.Regex("[0-9]+")("LIT_NUM*")
- list_num = pp.Group(pp.Literal("[")("START_LIST")
- + pp.delimitedList(rule_num)("LIST_VALUES")
- + pp.Literal("]")("END_LIST"))("LIST")
-
- test_string = "[ 1,2,3,4,5,6 ]"
- list_num.runTests(test_string)
-
- U = list_num.parseString(test_string)
- self.assertTrue("LIT_NUM" not in U.LIST.LIST_VALUES, "results name retained as sub in ungrouped named result")
-
-class ParseResultsNamesInGroupWithDictTest(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
- from pyparsing import pyparsing_common as ppc
-
- key = ppc.identifier()
- value = ppc.integer()
- lat = ppc.real()
- long = ppc.real()
- EQ = pp.Suppress('=')
-
- data = lat("lat") + long("long") + pp.Dict(pp.OneOrMore(pp.Group(key + EQ + value)))
- site = pp.QuotedString('"')("name") + pp.Group(data)("data")
-
- test_string = '"Golden Gate Bridge" 37.819722 -122.478611 height=746 span=4200'
- site.runTests(test_string)
-
- a, aEnd = pp.makeHTMLTags('a')
- attrs = a.parseString("<a href='blah'>")
- print(attrs.dump())
- self.assertParseResultsEquals(attrs,
- expected_dict = {'startA': {'href': 'blah', 'tag': 'a', 'empty': False},
- 'href': 'blah', 'tag': 'a', 'empty': False})
-
-
-class FollowedByTest(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
- from pyparsing import pyparsing_common as ppc
- expr = pp.Word(pp.alphas)("item") + pp.FollowedBy(ppc.integer("qty"))
- result = expr.parseString("balloon 99")
- print(result.dump())
- self.assertTrue('qty' in result, "failed to capture results name in FollowedBy")
- self.assertEqual(result.asDict(), {'item': 'balloon', 'qty': 99},
- "invalid results name structure from FollowedBy")
-
-class SetBreakTest(ParseTestCase):
- """
- Test behavior of ParserElement.setBreak(), to invoke the debugger before parsing that element is attempted.
-
- Temporarily monkeypatches pdb.set_trace.
- """
- def runTest(self):
- was_called = False
- def mock_set_trace():
- nonlocal was_called
- was_called = True
-
- import pyparsing as pp
- wd = pp.Word(pp.alphas)
- wd.setBreak()
-
- print("Before parsing with setBreak:", was_called)
- import pdb
- with resetting(pdb, "set_trace"):
- pdb.set_trace = mock_set_trace
- wd.parseString("ABC")
-
- print("After parsing with setBreak:", was_called)
- self.assertTrue(was_called, "set_trace wasn't called by setBreak")
-
-class UnicodeTests(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
- ppu = pp.pyparsing_unicode
- ppc = pp.pyparsing_common
-
- # verify proper merging of ranges by addition
- kanji_printables = ppu.Japanese.Kanji.printables
- katakana_printables = ppu.Japanese.Katakana.printables
- hiragana_printables = ppu.Japanese.Hiragana.printables
- japanese_printables = ppu.Japanese.printables
- self.assertEqual(set(japanese_printables), set(kanji_printables
- + katakana_printables
- + hiragana_printables),
- "failed to construct ranges by merging Japanese types")
-
- # verify proper merging of ranges using multiple inheritance
- cjk_printables = ppu.CJK.printables
- self.assertEqual(len(cjk_printables), len(set(cjk_printables)),
- "CJK contains duplicate characters - all should be unique")
-
- chinese_printables = ppu.Chinese.printables
- korean_printables = ppu.Korean.printables
- print(len(cjk_printables), len(set(chinese_printables
- + korean_printables
- + japanese_printables)))
-
- self.assertEqual(len(cjk_printables), len(set(chinese_printables
- + korean_printables
- + japanese_printables)),
- "failed to construct ranges by merging Chinese, Japanese and Korean")
-
- alphas = ppu.Greek.alphas
- greet = pp.Word(alphas) + ',' + pp.Word(alphas) + '!'
-
- # input string
- hello = "Καλημέρα, κόσμε!"
- result = greet.parseString(hello)
- print(result)
- self.assertParseResultsEquals(result,
- expected_list=['Καλημέρα', ',', 'κόσμε', '!'],
- msg="Failed to parse Greek 'Hello, World!' using "
- "pyparsing_unicode.Greek.alphas")
-
- # define a custom unicode range using multiple inheritance
- class Turkish_set(ppu.Latin1, ppu.LatinA):
- pass
-
- self.assertEqual(set(Turkish_set.printables),
- set(ppu.Latin1.printables + ppu.LatinA.printables),
- "failed to construct ranges by merging Latin1 and LatinA (printables)")
-
- self.assertEqual(set(Turkish_set.alphas),
- set(ppu.Latin1.alphas + ppu.LatinA.alphas),
- "failed to construct ranges by merging Latin1 and LatinA (alphas)")
-
- self.assertEqual(set(Turkish_set.nums),
- set(ppu.Latin1.nums + ppu.LatinA.nums),
- "failed to construct ranges by merging Latin1 and LatinA (nums)")
-
- key = pp.Word(Turkish_set.alphas)
- value = ppc.integer | pp.Word(Turkish_set.alphas, Turkish_set.alphanums)
- EQ = pp.Suppress('=')
- key_value = key + EQ + value
-
- sample = u"""\
- şehir=İzmir
- ülke=Türkiye
- nüfus=4279677"""
- result = pp.Dict(pp.OneOrMore(pp.Group(key_value))).parseString(sample)
-
- print(result.dump())
- self.assertParseResultsEquals(result,
- expected_dict={'şehir': 'İzmir', 'ülke': 'Türkiye', 'nüfus': 4279677},
- msg="Failed to parse Turkish key-value pairs")
-
-
-class IndentedBlockExampleTest(ParseTestCase):
- # Make sure example in indentedBlock docstring actually works!
- def runTest(self):
- from textwrap import dedent
- from pyparsing import (Word, alphas, alphanums, indentedBlock, Optional, delimitedList, Group, Forward,
- nums, OneOrMore)
- data = dedent('''
- def A(z):
- A1
- B = 100
- G = A2
- A2
- A3
- B
- def BB(a,b,c):
- BB1
- def BBA():
- bba1
- bba2
- bba3
- C
- D
- def spam(x,y):
- def eggs(z):
- pass
- ''')
-
- indentStack = [1]
- stmt = Forward()
-
- identifier = Word(alphas, alphanums)
- funcDecl = ("def" + identifier + Group("(" + Optional(delimitedList(identifier)) + ")") + ":")
- func_body = indentedBlock(stmt, indentStack)
- funcDef = Group(funcDecl + func_body)
-
- rvalue = Forward()
- funcCall = Group(identifier + "(" + Optional(delimitedList(rvalue)) + ")")
- rvalue << (funcCall | identifier | Word(nums))
- assignment = Group(identifier + "=" + rvalue)
- stmt << (funcDef | assignment | identifier)
-
- module_body = OneOrMore(stmt)
-
- parseTree = module_body.parseString(data)
- parseTree.pprint()
- self.assertEqual(parseTree.asList(),
- [['def',
- 'A',
- ['(', 'z', ')'],
- ':',
- [['A1'], [['B', '=', '100']], [['G', '=', 'A2']], ['A2'], ['A3']]],
- 'B',
- ['def',
- 'BB',
- ['(', 'a', 'b', 'c', ')'],
- ':',
- [['BB1'], [['def', 'BBA', ['(', ')'], ':', [['bba1'], ['bba2'], ['bba3']]]]]],
- 'C',
- 'D',
- ['def',
- 'spam',
- ['(', 'x', 'y', ')'],
- ':',
- [[['def', 'eggs', ['(', 'z', ')'], ':', [['pass']]]]]]],
- "Failed indentedBlock example"
- )
-
-
-class IndentedBlockTest(ParseTestCase):
- # parse pseudo-yaml indented text
- def runTest(self):
- import textwrap
-
- EQ = pp.Suppress('=')
- stack = [1]
- key = pp.pyparsing_common.identifier
- value = pp.Forward()
- key_value = key + EQ + value
- compound_value = pp.Dict(pp.ungroup(pp.indentedBlock(key_value, stack)))
- value <<= pp.pyparsing_common.integer | pp.QuotedString("'") | compound_value
- parser = pp.Dict(pp.OneOrMore(pp.Group(key_value)))
-
- text = """
- a = 100
- b = 101
- c =
- c1 = 200
- c2 =
- c21 = 999
- c3 = 'A horse, a horse, my kingdom for a horse'
- d = 505
- """
- text = textwrap.dedent(text)
- print(text)
-
- result = parser.parseString(text)
- print(result.dump())
- self.assertEqual(result.a, 100, "invalid indented block result")
- self.assertEqual(result.c.c1, 200, "invalid indented block result")
- self.assertEqual(result.c.c2.c21, 999, "invalid indented block result")
-
-
-class IndentedBlockTest2(ParseTestCase):
- # exercise indentedBlock with example posted in issue #87
- def runTest(self):
- from textwrap import dedent
- from pyparsing import Word, alphas, alphanums, Suppress, Forward, indentedBlock, Literal, OneOrMore
-
- indent_stack = [1]
-
- key = Word(alphas, alphanums) + Suppress(":")
- stmt = Forward()
-
- suite = indentedBlock(stmt, indent_stack)
- body = key + suite
-
- pattern = (Word(alphas) + Suppress("(") + Word(alphas) + Suppress(")"))
- stmt << pattern
-
- def key_parse_action(toks):
- print("Parsing '%s'..." % toks[0])
-
- key.setParseAction(key_parse_action)
- header = Suppress("[") + Literal("test") + Suppress("]")
- content = (header - OneOrMore(indentedBlock(body, indent_stack, False)))
-
- contents = Forward()
- suites = indentedBlock(content, indent_stack)
-
- extra = Literal("extra") + Suppress(":") - suites
- contents << (content | extra)
-
- parser = OneOrMore(contents)
-
- sample = dedent("""
- extra:
- [test]
- one0:
- two (three)
- four0:
- five (seven)
- extra:
- [test]
- one1:
- two (three)
- four1:
- five (seven)
- """)
-
- success, _ = parser.runTests([sample])
- self.assertTrue(success, "Failed indentedBlock test for issue #87")
-
- sample2 = dedent("""
- extra:
- [test]
- one:
- two (three)
- four:
- five (seven)
- extra:
- [test]
- one:
- two (three)
- four:
- five (seven)
-
- [test]
- one:
- two (three)
- four:
- five (seven)
-
- [test]
- eight:
- nine (ten)
- eleven:
- twelve (thirteen)
-
- fourteen:
- fifteen (sixteen)
- seventeen:
- eighteen (nineteen)
- """)
-
- del indent_stack[1:]
- success, _ = parser.runTests([sample2])
- self.assertTrue(success, "Failed indentedBlock multi-block test for issue #87")
-
-class IndentedBlockScanTest(ParseTestCase):
- def get_parser(self):
- """
- A valid statement is the word "block:", followed by an indent, followed by the letter A only, or another block
- """
- stack = [1]
- block = pp.Forward()
- body = pp.indentedBlock(pp.Literal('A') ^ block, indentStack=stack, indent=True)
- block <<= pp.Literal('block:') + body
- return block
-
- def runTest(self):
- from textwrap import dedent
-
- # This input string is a perfect match for the parser, so a single match is found
- p1 = self.get_parser()
- r1 = list(p1.scanString(dedent("""\
- block:
- A
- """)))
- self.assertEqual(len(r1), 1)
-
- # This input string is a perfect match for the parser, except for the letter B instead of A, so this will fail (and should)
- p2 = self.get_parser()
- r2 = list(p2.scanString(dedent("""\
- block:
- B
- """)))
- self.assertEqual(len(r2), 0)
-
- # This input string contains both string A and string B, and it finds one match (as it should)
- p3 = self.get_parser()
- r3 = list(p3.scanString(dedent("""\
- block:
- A
- block:
- B
- """)))
- self.assertEqual(len(r3), 1)
-
- # This input string contains both string A and string B, but in a different order.
- p4 = self.get_parser()
- r4 = list(p4.scanString(dedent("""\
- block:
- B
- block:
- A
- """)))
- self.assertEqual(len(r4), 1)
-
- # This is the same as case 3, but with nesting
- p5 = self.get_parser()
- r5 = list(p5.scanString(dedent("""\
- block:
- block:
- A
- block:
- block:
- B
- """)))
- self.assertEqual(len(r5), 1)
-
- # This is the same as case 4, but with nesting
- p6 = self.get_parser()
- r6 = list(p6.scanString(dedent("""\
- block:
- block:
- B
- block:
- block:
- A
- """)))
- self.assertEqual(len(r6), 1)
-
-
-class InvalidDiagSettingTest(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
-
- with self.assertRaises(ValueError, msg="failed to raise exception when setting non-existent __diag__"):
- pp.__diag__.enable("xyzzy")
-
- with self.assertWarns(UserWarning, msg="failed to warn disabling 'collect_all_And_tokens"):
- pp.__compat__.disable("collect_all_And_tokens")
-
-
-class ParseResultsWithNameMatchFirst(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
- expr_a = pp.Literal('not') + pp.Literal('the') + pp.Literal('bird')
- expr_b = pp.Literal('the') + pp.Literal('bird')
- expr = (expr_a | expr_b)('rexp')
-
- success, report = expr.runTests("""\
- not the bird
- the bird
- """)
- results = [rpt[1] for rpt in report]
- self.assertParseResultsEquals(results[0],
- ['not', 'the', 'bird'],
- {'rexp': ['not', 'the', 'bird']})
- self.assertParseResultsEquals(results[1],
- ['the', 'bird'],
- {'rexp': ['the', 'bird']})
-
- # test compatibility mode, no longer restoring pre-2.3.1 behavior
- with resetting(pp.__compat__, "collect_all_And_tokens"), \
- resetting(pp.__diag__, "warn_multiple_tokens_in_named_alternation"):
- pp.__compat__.collect_all_And_tokens = False
- pp.__diag__.enable("warn_multiple_tokens_in_named_alternation")
- expr_a = pp.Literal('not') + pp.Literal('the') + pp.Literal('bird')
- expr_b = pp.Literal('the') + pp.Literal('bird')
- with self.assertWarns(UserWarning, msg="failed to warn of And within alternation"):
- expr = (expr_a | expr_b)('rexp')
-
- success, report = expr.runTests("""
- not the bird
- the bird
- """)
- results = [rpt[1] for rpt in report]
- self.assertParseResultsEquals(results[0],
- ['not', 'the', 'bird'],
- {'rexp': ['not', 'the', 'bird']})
- self.assertParseResultsEquals(results[1],
- ['the', 'bird'],
- {'rexp': ['the', 'bird']})
-
-
-class ParseResultsWithNameOr(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
- expr_a = pp.Literal('not') + pp.Literal('the') + pp.Literal('bird')
- expr_b = pp.Literal('the') + pp.Literal('bird')
- expr = (expr_a ^ expr_b)('rexp')
- expr.runTests("""\
- not the bird
- the bird
- """)
- result = expr.parseString('not the bird')
- self.assertParseResultsEquals(result,
- ['not', 'the', 'bird'],
- {'rexp': ['not', 'the', 'bird']})
- result = expr.parseString('the bird')
- self.assertParseResultsEquals(result,
- ['the', 'bird'],
- {'rexp': ['the', 'bird']})
-
- expr = (expr_a | expr_b)('rexp')
- expr.runTests("""\
- not the bird
- the bird
- """)
- result = expr.parseString('not the bird')
- self.assertParseResultsEquals(result,
- ['not', 'the', 'bird'],
- {'rexp':
- ['not', 'the', 'bird']})
- result = expr.parseString('the bird')
- self.assertParseResultsEquals(result,
- ['the', 'bird'],
- {'rexp': ['the', 'bird']})
-
- # test compatibility mode, no longer restoring pre-2.3.1 behavior
- with resetting(pp.__compat__, "collect_all_And_tokens"), \
- resetting(pp.__diag__, "warn_multiple_tokens_in_named_alternation"):
- pp.__compat__.collect_all_And_tokens = False
- pp.__diag__.enable("warn_multiple_tokens_in_named_alternation")
- expr_a = pp.Literal('not') + pp.Literal('the') + pp.Literal('bird')
- expr_b = pp.Literal('the') + pp.Literal('bird')
-
- with self.assertWarns(UserWarning, msg="failed to warn of And within alternation"):
- expr = (expr_a ^ expr_b)('rexp')
-
- expr.runTests("""\
- not the bird
- the bird
- """)
- self.assertEqual(list(expr.parseString('not the bird')['rexp']), 'not the bird'.split())
- self.assertEqual(list(expr.parseString('the bird')['rexp']), 'the bird'.split())
-
-
-class EmptyDictDoesNotRaiseException(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
-
- key = pp.Word(pp.alphas)
- value = pp.Word(pp.nums)
- EQ = pp.Suppress('=')
- key_value_dict = pp.dictOf(key, EQ + value)
-
- print(key_value_dict.parseString("""\
- a = 10
- b = 20
- """).dump())
-
- try:
- print(key_value_dict.parseString("").dump())
- except pp.ParseException as pe:
- print(pp.ParseException.explain(pe))
- else:
- self.assertTrue(False, "failed to raise exception when matching empty string")
-
-class ExplainExceptionTest(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
-
- expr = pp.Word(pp.nums).setName("int") + pp.Word(pp.alphas).setName("word")
- try:
- expr.parseString("123 355")
- except pp.ParseException as pe:
- print(pp.ParseException.explain(pe, depth=0))
-
- expr = pp.Word(pp.nums).setName("int") - pp.Word(pp.alphas).setName("word")
- try:
- expr.parseString("123 355 (test using ErrorStop)")
- except pp.ParseSyntaxException as pe:
- print(pp.ParseException.explain(pe))
-
- integer = pp.Word(pp.nums).setName("int").addParseAction(lambda t: int(t[0]))
- expr = integer + integer
-
- def divide_args(t):
- integer.parseString("A")
- return t[0] / t[1]
-
- expr.addParseAction(divide_args)
- pp.ParserElement.enablePackrat()
- print()
-
- try:
- expr.parseString("123 0")
- except pp.ParseException as pe:
- print(pp.ParseException.explain(pe))
- except Exception as exc:
- print(pp.ParseException.explain(exc))
- raise
-
-
-class CaselessKeywordVsKeywordCaselessTest(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
-
- frule = pp.Keyword('t', caseless=True) + pp.Keyword('yes', caseless=True)
- crule = pp.CaselessKeyword('t') + pp.CaselessKeyword('yes')
-
- flist = frule.searchString('not yes').asList()
- print(flist)
- clist = crule.searchString('not yes').asList()
- print(clist)
- self.assertEqual(flist, clist, "CaselessKeyword not working the same as Keyword(caseless=True)")
-
-
-class OneOfKeywordsTest(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
-
- literal_expr = pp.oneOf("a b c")
- success, _ = literal_expr[...].runTests("""
- # literal oneOf tests
- a b c
- a a a
- abc
- """)
- self.assertTrue(success, "failed literal oneOf matching")
-
- keyword_expr = pp.oneOf("a b c", asKeyword=True)
- success, _ = keyword_expr[...].runTests("""
- # keyword oneOf tests
- a b c
- a a a
- """)
- self.assertTrue(success, "failed keyword oneOf matching")
-
- success, _ = keyword_expr[...].runTests("""
- # keyword oneOf failure tests
- abc
- """, failureTests=True)
- self.assertTrue(success, "failed keyword oneOf failure tests")
-
-
-class WarnUngroupedNamedTokensTest(ParseTestCase):
- """
- - warn_ungrouped_named_tokens_in_collection - flag to enable warnings when a results
- name is defined on a containing expression with ungrouped subexpressions that also
- have results names (default=True)
- """
- def runTest(self):
- import pyparsing as pp
- ppc = pp.pyparsing_common
-
- with resetting(pp.__diag__, "warn_ungrouped_named_tokens_in_collection"):
- pp.__diag__.enable("warn_ungrouped_named_tokens_in_collection")
-
- COMMA = pp.Suppress(',').setName("comma")
- coord = (ppc.integer('x') + COMMA + ppc.integer('y'))
-
- # this should emit a warning
- with self.assertWarns(UserWarning, msg="failed to warn with named repetition of"
- " ungrouped named expressions"):
- path = coord[...].setResultsName('path')
-
-
-class WarnNameSetOnEmptyForwardTest(ParseTestCase):
- """
- - warn_name_set_on_empty_Forward - flag to enable warnings whan a Forward is defined
- with a results name, but has no contents defined (default=False)
- """
- def runTest(self):
- import pyparsing as pp
-
- with resetting(pp.__diag__, "warn_name_set_on_empty_Forward"):
- pp.__diag__.enable("warn_name_set_on_empty_Forward")
-
- base = pp.Forward()
-
- with self.assertWarns(UserWarning, msg="failed to warn when naming an empty Forward expression"):
- base("x")
-
-
-class WarnOnMultipleStringArgsToOneOfTest(ParseTestCase):
- """
- - warn_on_multiple_string_args_to_oneof - flag to enable warnings whan oneOf is
- incorrectly called with multiple str arguments (default=True)
- """
- def runTest(self):
- import pyparsing as pp
-
- with resetting(pp.__diag__, "warn_on_multiple_string_args_to_oneof"):
- pp.__diag__.enable("warn_on_multiple_string_args_to_oneof")
-
- with self.assertWarns(UserWarning, msg="failed to warn when incorrectly calling oneOf(string, string)"):
- a = pp.oneOf('A', 'B')
-
-
-class EnableDebugOnNamedExpressionsTest(ParseTestCase):
- """
- - enable_debug_on_named_expressions - flag to auto-enable debug on all subsequent
- calls to ParserElement.setName() (default=False)
- """
- def runTest(self):
- import pyparsing as pp
- import textwrap
-
- with resetting(pp.__diag__, "enable_debug_on_named_expressions"):
- test_stdout = StringIO()
-
- with resetting(sys, 'stdout', 'stderr'):
- sys.stdout = test_stdout
- sys.stderr = test_stdout
-
- pp.__diag__.enable("enable_debug_on_named_expressions")
- integer = pp.Word(pp.nums).setName('integer')
-
- integer[...].parseString("1 2 3")
-
- expected_debug_output = textwrap.dedent("""\
- Match integer at loc 0(1,1)
- Matched integer -> ['1']
- Match integer at loc 1(1,2)
- Matched integer -> ['2']
- Match integer at loc 3(1,4)
- Matched integer -> ['3']
- Match integer at loc 5(1,6)
- Exception raised:Expected integer, found end of text (at char 5), (line:1, col:6)
- """)
- output = test_stdout.getvalue()
- print(output)
- self.assertEquals(output,
- expected_debug_output,
- "failed to auto-enable debug on named expressions "
- "using enable_debug_on_named_expressions")
-
-
-class UndesirableButCommonPracticesTest(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
- ppc = pp.pyparsing_common
-
- # While these are valid constructs, and they are not encouraged
- # there is apparently a lot of code out there using these
- # coding styles.
- #
- # Even though they are not encouraged, we shouldn't break them.
-
- # Create an And using a list of expressions instead of using '+' operator
- expr = pp.And([pp.Word('abc'), pp.Word('123')])
- expr.runTests("""
- aaa 333
- b 1
- ababab 32123
- """)
-
- # Passing a single expression to a ParseExpression, when it really wants a sequence
- expr = pp.Or(pp.Or(ppc.integer))
- expr.runTests("""
- 123
- 456
- abc
- """)
-
-class EnableWarnDiagsTest(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
- import pprint
-
- def filtered_vars(var_dict):
- dunders = [nm for nm in var_dict if nm.startswith('__')]
- return {k: v for k, v in var_dict.items()
- if isinstance(v, bool) and k not in dunders}
-
- pprint.pprint(filtered_vars(vars(pp.__diag__)), width=30)
-
- warn_names = pp.__diag__._warning_names
- other_names = pp.__diag__._debug_names
-
- # make sure they are off by default
- for diag_name in warn_names:
- self.assertFalse(getattr(pp.__diag__, diag_name), "__diag__.{} not set to True".format(diag_name))
-
- with resetting(pp.__diag__, *warn_names):
- # enable all warn_* diag_names
- pp.__diag__.enable_all_warnings()
- pprint.pprint(filtered_vars(vars(pp.__diag__)), width=30)
-
- # make sure they are on after being enabled
- for diag_name in warn_names:
- self.assertTrue(getattr(pp.__diag__, diag_name), "__diag__.{} not set to True".format(diag_name))
-
- # non-warn diag_names must be enabled individually
- for diag_name in other_names:
- self.assertFalse(getattr(pp.__diag__, diag_name), "__diag__.{} not set to True".format(diag_name))
-
- # make sure they are off after AutoReset
- for diag_name in warn_names:
- self.assertFalse(getattr(pp.__diag__, diag_name), "__diag__.{} not set to True".format(diag_name))
-
-
-class WordInternalReRangesTest(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
- import random
- import re
-
- self.assertEqual(pp.Word(pp.printables).reString, "[!-~]+", "failed to generate correct internal re")
- self.assertEqual(pp.Word(pp.alphanums).reString, "[0-9A-Za-z]+", "failed to generate correct internal re")
- self.assertEqual(pp.Word(pp.pyparsing_unicode.Latin1.printables).reString, "[!-~¡-ÿ]+",
- "failed to generate correct internal re")
- self.assertEqual(pp.Word(pp.alphas8bit).reString, "[À-ÖØ-öø-ÿ]+", "failed to generate correct internal re")
-
- esc_chars = r"\^-]"
- esc_chars2 = r"*+.?["
- for esc_char in esc_chars + esc_chars2:
- # test escape char as first character in range
- next_char = chr(ord(esc_char) + 1)
- prev_char = chr(ord(esc_char) - 1)
- esc_word = pp.Word(esc_char + next_char)
- expected = r"[{}{}-{}{}]+".format('\\' if esc_char in esc_chars else '', esc_char,
- '\\' if next_char in esc_chars else '', next_char)
- print("Testing escape char: {} -> {} re: '{}')".format(esc_char, esc_word, esc_word.reString))
- self.assertEqual(esc_word.reString, expected, "failed to generate correct internal re")
- test_string = ''.join(random.choice([esc_char, next_char]) for __ in range(16))
- print("Match '{}' -> {}".format(test_string, test_string == esc_word.parseString(test_string)[0]))
- self.assertEqual(esc_word.parseString(test_string)[0], test_string,
- "Word using escaped range char failed to parse")
-
- # test escape char as last character in range
- esc_word = pp.Word(prev_char + esc_char)
- expected = r"[{}{}-{}{}]+".format('\\' if prev_char in esc_chars else '', prev_char,
- '\\' if esc_char in esc_chars else '', esc_char)
- print("Testing escape char: {} -> {} re: '{}')".format(esc_char, esc_word, esc_word.reString))
- self.assertEqual(esc_word.reString, expected, "failed to generate correct internal re")
- test_string = ''.join(random.choice([esc_char, prev_char]) for __ in range(16))
- print("Match '{}' -> {}".format(test_string, test_string == esc_word.parseString(test_string)[0]))
- self.assertEqual(esc_word.parseString(test_string)[0], test_string,
- "Word using escaped range char failed to parse")
-
- # test escape char as first character in range
- next_char = chr(ord(esc_char) + 1)
- prev_char = chr(ord(esc_char) - 1)
- esc_word = pp.Word(esc_char + next_char)
- expected = r"[{}{}-{}{}]+".format('\\' if esc_char in esc_chars else '', esc_char,
- '\\' if next_char in esc_chars else '', next_char)
- print("Testing escape char: {} -> {} re: '{}')".format(esc_char, esc_word, esc_word.reString))
- self.assertEqual(esc_word.reString, expected, "failed to generate correct internal re")
- test_string = ''.join(random.choice([esc_char, next_char]) for __ in range(16))
- print("Match '{}' -> {}".format(test_string, test_string == esc_word.parseString(test_string)[0]))
- self.assertEqual(esc_word.parseString(test_string)[0], test_string,
- "Word using escaped range char failed to parse")
-
- # test escape char as only character in range
- esc_word = pp.Word(esc_char + esc_char, pp.alphas.upper())
- expected = r"[{}{}][A-Z]*".format('\\' if esc_char in esc_chars else '', esc_char)
- print("Testing escape char: {} -> {} re: '{}')".format(esc_char, esc_word, esc_word.reString))
- self.assertEqual(esc_word.reString, expected, "failed to generate correct internal re")
- test_string = esc_char + ''.join(random.choice(pp.alphas.upper()) for __ in range(16))
- print("Match '{}' -> {}".format(test_string, test_string == esc_word.parseString(test_string)[0]))
- self.assertEqual(esc_word.parseString(test_string)[0], test_string,
- "Word using escaped range char failed to parse")
-
- # test escape char as only character
- esc_word = pp.Word(esc_char, pp.alphas.upper())
- expected = r"{}[A-Z]*".format(re.escape(esc_char))
- print("Testing escape char: {} -> {} re: '{}')".format(esc_char, esc_word, esc_word.reString))
- self.assertEqual(esc_word.reString, expected, "failed to generate correct internal re")
- test_string = esc_char + ''.join(random.choice(pp.alphas.upper()) for __ in range(16))
- print("Match '{}' -> {}".format(test_string, test_string == esc_word.parseString(test_string)[0]))
- self.assertEqual(esc_word.parseString(test_string)[0], test_string,
- "Word using escaped range char failed to parse")
- print()
-
-
-class MiscellaneousParserTests(ParseTestCase):
- def runTest(self):
-
- runtests = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
- if IRON_PYTHON_ENV:
- runtests = "ABCDEGHIJKLMNOPQRSTUVWXYZ"
-
- # test making oneOf with duplicate symbols
- if "A" in runtests:
- print("verify oneOf handles duplicate symbols")
- try:
- test1 = pp.oneOf("a b c d a")
- except RuntimeError:
- self.assertTrue(False, "still have infinite loop in oneOf with duplicate symbols (string input)")
-
- print("verify oneOf handles generator input")
- try:
- test1 = pp.oneOf(c for c in "a b c d a" if not c.isspace())
- except RuntimeError:
- self.assertTrue(False, "still have infinite loop in oneOf with duplicate symbols (generator input)")
-
- print("verify oneOf handles list input")
- try:
- test1 = pp.oneOf("a b c d a".split())
- except RuntimeError:
- self.assertTrue(False, "still have infinite loop in oneOf with duplicate symbols (list input)")
-
- print("verify oneOf handles set input")
- try:
- test1 = pp.oneOf(set("a b c d a"))
- except RuntimeError:
- self.assertTrue(False, "still have infinite loop in oneOf with duplicate symbols (set input)")
-
- # test MatchFirst bugfix
- if "B" in runtests:
- print("verify MatchFirst iterates properly")
- results = pp.quotedString.parseString("'this is a single quoted string'")
- self.assertTrue(len(results) > 0, "MatchFirst error - not iterating over all choices")
-
- # verify streamline of subexpressions
- if "C" in runtests:
- print("verify proper streamline logic")
- compound = pp.Literal("A") + "B" + "C" + "D"
- self.assertEqual(len(compound.exprs), 2, "bad test setup")
- print(compound)
- compound.streamline()
- print(compound)
- self.assertEqual(len(compound.exprs), 4, "streamline not working")
-
- # test for Optional with results name and no match
- if "D" in runtests:
- print("verify Optional's do not cause match failure if have results name")
- testGrammar = pp.Literal("A") + pp.Optional("B")("gotB") + pp.Literal("C")
- try:
- testGrammar.parseString("ABC")
- testGrammar.parseString("AC")
- except pp.ParseException as pe:
- print(pe.pstr, "->", pe)
- self.assertTrue(False, "error in Optional matching of string %s" % pe.pstr)
-
- # test return of furthest exception
- if "E" in runtests:
- testGrammar = (pp.Literal("A") |
- (pp.Optional("B") + pp.Literal("C")) |
- pp.Literal("D"))
- try:
- testGrammar.parseString("BC")
- testGrammar.parseString("BD")
- except pp.ParseException as pe:
- print(pe.pstr, "->", pe)
- self.assertEqual(pe.pstr, "BD", "wrong test string failed to parse")
- self.assertEqual(pe.loc, 1, "error in Optional matching, pe.loc=" + str(pe.loc))
-
- # test validate
- if "F" in runtests:
- print("verify behavior of validate()")
- def testValidation(grmr, gnam, isValid):
- try:
- grmr.streamline()
- grmr.validate()
- self.assertTrue(isValid, "validate() accepted invalid grammar " + gnam)
- except pp.RecursiveGrammarException as e:
- print(grmr)
- self.assertFalse(isValid, "validate() rejected valid grammar " + gnam)
-
- fwd = pp.Forward()
- g1 = pp.OneOrMore((pp.Literal("A") + "B" + "C") | fwd)
- g2 = ("C" + g1)[...]
- fwd << pp.Group(g2)
- testValidation(fwd, "fwd", isValid=True)
-
- fwd2 = pp.Forward()
- fwd2 << pp.Group("A" | fwd2)
- testValidation(fwd2, "fwd2", isValid=False)
-
- fwd3 = pp.Forward()
- fwd3 << pp.Optional("A") + fwd3
- testValidation(fwd3, "fwd3", isValid=False)
-
- # test getName
- if "G" in runtests:
- print("verify behavior of getName()")
- aaa = pp.Group(pp.Word("a")("A"))
- bbb = pp.Group(pp.Word("b")("B"))
- ccc = pp.Group(":" + pp.Word("c")("C"))
- g1 = "XXX" + (aaa | bbb | ccc)[...]
- teststring = "XXX b bb a bbb bbbb aa bbbbb :c bbbbbb aaa"
- names = []
- print(g1.parseString(teststring).dump())
- for t in g1.parseString(teststring):
- print(t, repr(t))
- try:
- names.append(t[0].getName())
- except Exception:
- try:
- names.append(t.getName())
- except Exception:
- names.append(None)
- print(teststring)
- print(names)
- self.assertEqual(names, [None, 'B', 'B', 'A', 'B', 'B', 'A', 'B', None, 'B', 'A'],
- "failure in getting names for tokens")
-
- from pyparsing import Keyword, Word, alphas, OneOrMore
- IF, AND, BUT = map(Keyword, "if and but".split())
- ident = ~(IF | AND | BUT) + Word(alphas)("non-key")
- scanner = OneOrMore(IF | AND | BUT | ident)
- def getNameTester(s, l, t):
- print(t, t.getName())
- ident.addParseAction(getNameTester)
- scanner.parseString("lsjd sldkjf IF Saslkj AND lsdjf")
-
- # test ParseResults.get() method
- if "H" in runtests:
- print("verify behavior of ParseResults.get()")
- # use sum() to merge separate groups into single ParseResults
- res = sum(g1.parseString(teststring)[1:])
- print(res.dump())
- print(res.get("A", "A not found"))
- print(res.get("D", "!D"))
- self.assertEqual(res.get("A", "A not found"), "aaa", "get on existing key failed")
- self.assertEqual(res.get("D", "!D"), "!D", "get on missing key failed")
-
- if "I" in runtests:
- print("verify handling of Optional's beyond the end of string")
- testGrammar = "A" + pp.Optional("B") + pp.Optional("C") + pp.Optional("D")
- testGrammar.parseString("A")
- testGrammar.parseString("AB")
-
- # test creating Literal with empty string
- if "J" in runtests:
- print('verify non-fatal usage of Literal("")')
- with self.assertWarns(SyntaxWarning, msg="failed to warn use of empty string for Literal"):
- e = pp.Literal("")
- try:
- e.parseString("SLJFD")
- except Exception as e:
- self.assertTrue(False, "Failed to handle empty Literal")
-
- # test line() behavior when starting at 0 and the opening line is an \n
- if "K" in runtests:
- print('verify correct line() behavior when first line is empty string')
- self.assertEqual(pp.line(0, "\nabc\ndef\n"), '', "Error in line() with empty first line in text")
- txt = "\nabc\ndef\n"
- results = [pp.line(i, txt) for i in range(len(txt))]
- self.assertEqual(results, ['', 'abc', 'abc', 'abc', 'abc', 'def', 'def', 'def', 'def'],
- "Error in line() with empty first line in text")
- txt = "abc\ndef\n"
- results = [pp.line(i, txt) for i in range(len(txt))]
- self.assertEqual(results, ['abc', 'abc', 'abc', 'abc', 'def', 'def', 'def', 'def'],
- "Error in line() with non-empty first line in text")
-
- # test bugfix with repeated tokens when packrat parsing enabled
- if "L" in runtests:
- print('verify behavior with repeated tokens when packrat parsing is enabled')
- a = pp.Literal("a")
- b = pp.Literal("b")
- c = pp.Literal("c")
-
- abb = a + b + b
- abc = a + b + c
- aba = a + b + a
- grammar = abb | abc | aba
-
- self.assertEqual(''.join(grammar.parseString("aba")), 'aba', "Packrat ABA failure!")
-
- if "M" in runtests:
- print('verify behavior of setResultsName with OneOrMore and ZeroOrMore')
-
- stmt = pp.Keyword('test')
- print(stmt[...]('tests').parseString('test test').tests)
- print(stmt[1, ...]('tests').parseString('test test').tests)
- print(pp.Optional(stmt[1, ...]('tests')).parseString('test test').tests)
- print(pp.Optional(stmt[1, ...])('tests').parseString('test test').tests)
- print(pp.Optional(pp.delimitedList(stmt))('tests').parseString('test,test').tests)
- self.assertEqual(len(stmt[...]('tests').parseString('test test').tests), 2, "ZeroOrMore failure with setResultsName")
- self.assertEqual(len(stmt[1, ...]('tests').parseString('test test').tests), 2, "OneOrMore failure with setResultsName")
- self.assertEqual(len(pp.Optional(stmt[1, ...]('tests')).parseString('test test').tests), 2, "OneOrMore failure with setResultsName")
- self.assertEqual(len(pp.Optional(pp.delimitedList(stmt))('tests').parseString('test,test').tests), 2, "delimitedList failure with setResultsName")
- self.assertEqual(len((stmt * 2)('tests').parseString('test test').tests), 2, "multiplied(1) failure with setResultsName")
- self.assertEqual(len(stmt[..., 2]('tests').parseString('test test').tests), 2, "multiplied(2) failure with setResultsName")
- self.assertEqual(len(stmt[1, ...]('tests').parseString('test test').tests), 2, "multipled(3) failure with setResultsName")
- self.assertEqual(len(stmt[2, ...]('tests').parseString('test test').tests), 2, "multipled(3) failure with setResultsName")
-
-def makeTestSuite():
- import inspect
- suite = TestSuite()
- suite.addTest(PyparsingTestInit())
-
- test_case_classes = ParseTestCase.__subclasses__()
- # put classes in order as they are listed in the source code
- test_case_classes.sort(key=lambda cls: inspect.getsourcelines(cls)[1])
-
- test_case_classes.remove(PyparsingTestInit)
- # test_case_classes.remove(ParseASMLTest)
- if IRON_PYTHON_ENV:
- test_case_classes.remove(OriginalTextForTest)
-
- suite.addTests(T() for T in test_case_classes)
-
- if TEST_USING_PACKRAT:
- # retest using packrat parsing (disable those tests that aren't compatible)
- suite.addTest(EnablePackratParsing())
-
- unpackrattables = [PyparsingTestInit, EnablePackratParsing, RepeaterTest,]
-
- # add tests to test suite a second time, to run with packrat parsing
- # (leaving out those that we know wont work with packrat)
- packratTests = [t.__class__() for t in suite._tests
- if t.__class__ not in unpackrattables]
- suite.addTests(packratTests)
-
- return suite
-
-def makeTestSuiteTemp(classes):
- suite = TestSuite()
- suite.addTest(PyparsingTestInit())
- suite.addTests(cls() for cls in classes)
- return suite
-
-# runnable from setup.py using "python setup.py test -s unitTests.suite"
-suite = makeTestSuite()
-
-
-if __name__ == '__main__':
-
- # run specific tests by including them in this list, otherwise
- # all tests will be run
- testclasses = [
- ]
-
- if not testclasses:
- testRunner = TextTestRunner()
- result = testRunner.run(suite)
- else:
- # disable chaser '.' display
- testRunner = TextTestRunner(verbosity=0)
- BUFFER_OUTPUT = False
- result = testRunner.run(makeTestSuiteTemp(testclasses))
-
- sys.stdout.flush()
- exit(0 if result.wasSuccessful() else 1)
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