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# Copyright (c) 2003-2008 LOGILAB S.A. (Paris, FRANCE).
# http://www.logilab.fr/ -- mailto:contact@logilab.fr
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
# Foundation; either version 2 of the License, or (at your option) any later
# version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
"""functional/non regression tests for pylint"""
import unittest
import sys
import re
from os import getcwd
from os.path import abspath, dirname, join
from logilab.common import testlib
from pylint.testutils import (make_tests, LintTestUsingModule, LintTestUsingFile,
cb_test_gen, linter, test_reporter)
PY3K = sys.version_info >= (3, 0)
# Configure paths
INPUT_DIR = join(dirname(abspath(__file__)), 'input')
MSG_DIR = join(dirname(abspath(__file__)), 'messages')
# Classes
quote = "'" if sys.version_info >= (3, 3) else ''
class LintTestNonExistentModuleTC(LintTestUsingModule):
module = 'nonexistent'
_get_expected = lambda self: 'F: 1: No module named %snonexistent%s\n' % (quote, quote)
tags = testlib.Tags(('generated','pylint_input_%s' % module))
class TestTests(testlib.TestCase):
"""check that all testable messages have been checked"""
@testlib.tag('coverage')
def test_exhaustivity(self):
# skip fatal messages
todo = [msg.msgid for msg in linter.messages if msg.msgid[0] != 'F']
for msgid in test_reporter.message_ids:
try:
todo.remove(msgid)
except ValueError:
continue
todo.sort()
if PY3K:
rest = ['I0001',
# XXX : no use case for now :
'W0402', # deprecated module
'W0403', # implicit relative import
'W0410', # __future__ import not first statement
]
self.assertEqual(todo, rest)
else:
self.assertEqual(todo, ['I0001'])
class LintBuiltinModuleTest(LintTestUsingModule):
output = join(MSG_DIR, 'builtin_module.txt')
module = 'sys'
def test_functionality(self):
self._test(['sys'])
# Callbacks
base_cb_file = cb_test_gen(LintTestUsingFile)
def cb_file(*args):
if MODULES_ONLY:
return None
else:
return base_cb_file(*args)
callbacks = [cb_test_gen(LintTestUsingModule),
cb_file]
# Gen tests
def gen_tests(filter_rgx):
tests = make_tests(INPUT_DIR, MSG_DIR, filter_rgx, callbacks)
if filter_rgx:
is_to_run = re.compile(filter_rgx).search
else:
is_to_run = lambda x: 1
if is_to_run('nonexistent'):
tests.append(LintTestNonExistentModuleTC)
tests.append(LintBuiltinModuleTest)
if not filter_rgx:
# test all features are tested :)
tests.append(TestTests)
return tests
# Create suite
FILTER_RGX = None
MODULES_ONLY = False
def suite():
return testlib.TestSuite([unittest.makeSuite(test, suiteClass=testlib.TestSuite)
for test in gen_tests(FILTER_RGX)])
del LintTestUsingModule
del LintTestUsingFile
if __name__=='__main__':
if '-m' in sys.argv:
MODULES_ONLY = True
sys.argv.remove('-m')
if len(sys.argv) > 1:
FILTER_RGX = sys.argv[1]
del sys.argv[1]
testlib.unittest_main(defaultTest='suite')
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