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# Copyright 2013 Google Inc.
# 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.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
import unittest
from astroid import test_utils
from pylint import utils
from pylint import interfaces
from pylint.checkers.utils import check_messages
class PyLintASTWalkerTest(unittest.TestCase):
class MockLinter(object):
def __init__(self, msgs):
self._msgs = msgs
def is_message_enabled(self, msgid):
return self._msgs.get(msgid, True)
class Checker(object):
def __init__(self):
self.called = set()
@check_messages('first-message')
def visit_module(self, module):
self.called.add('module')
@check_messages('second-message')
def visit_callfunc(self, module):
raise NotImplementedError
@check_messages('second-message', 'third-message')
def visit_assname(self, module):
self.called.add('assname')
@check_messages('second-message')
def leave_assname(self, module):
raise NotImplementedError
def testCheckMessages(self):
linter = self.MockLinter({'first-message': True,
'second-message': False,
'third-message': True})
walker = utils.PyLintASTWalker(linter)
checker = self.Checker()
walker.add_checker(checker)
walker.walk(test_utils.build_module("x = func()"))
self.assertEqual(set(['module', 'assname']), checker.called)
if __name__ == '__main__':
unittest.main()
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