Added unit test for WordStart and WordEnd classes

git-svn-id: svn://svn.code.sf.net/p/pyparsing/code/src@145 9bf210a0-9d2d-494c-87cf-cfb32e7dff7b

1 files changed, 43 insertions, 0 deletions

diff --git a/unitTests.py b/unitTests.py
index b557fba..af2c114 100644
--- a/unitTests.py
+++ b/unitTests.py
@@ -1832,6 +1832,48 @@ class WithAttributeParseActionTest(ParseTestCase):
           print result.dump()

           assert result.asList() == expected, "Failed test, expected %s, got %s" % (expected, result.asList())

         

+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

+

+        bnf = leadingVowel | trailingVowel

+

+        tests = """\

+        ABC DEF GHI

+          JKL MNO PQR

+        STU VWX YZ  """.splitlines()

+

+        expectedResult = [

+            [['D', 'G'], ['A'], ['C', 'F'], ['I'], ['A', 'I']],

+            [['J', 'M', 'P'], [], ['L', 'R'], ['O'], ['O']],

+            [['S', 'V'], ['Y'], ['X', 'Z'], ['U'], ['U', 'Y']],

+            ]

+            

+        for t,expected in zip(tests, expectedResult):

+            print t

+            results = map(lambda e: flatten(e.searchString(t).asList()), 

+                [

+                leadingConsonant,

+                leadingVowel,

+                trailingConsonant,

+                trailingVowel,

+                bnf,

+                ]

+                )

+            print results

+            assert results==expected,"Failed WordBoundaryTest, expected %s, got %s" % (expected,results)

+            print

+

 

 def makeTestSuite():

     suite = TestSuite()

@@ -1874,6 +1916,7 @@ def makeTestSuite():
     suite.addTest( KeepOriginalTextTest() )

     suite.addTest( PackratParsingCacheCopyTest() )

     suite.addTest( WithAttributeParseActionTest() )

+    suite.addTest( WordBoundaryExpressionsTest() )

     suite.addTest( MiscellaneousParserTests() )

 

     if TEST_USING_PACKRAT: