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66 lines
2.3 KiB
Python
66 lines
2.3 KiB
Python
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# Copyright (c) 2003-2015 LOGILAB S.A. (Paris, FRANCE).
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# http://www.logilab.fr/ -- mailto:contact@logilab.fr
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#
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# This program is free software; you can redistribute it and/or modify it under
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# the terms of the GNU General Public License as published by the Free Software
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# Foundation; either version 2 of the License, or (at your option) any later
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# version.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along with
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# this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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import contextlib
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import unittest
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import astroid
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from astroid import test_utils
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from pylint.checkers import stdlib
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from pylint.testutils import CheckerTestCase
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@contextlib.contextmanager
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def _add_transform(manager, node, transform, predicate=None):
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manager.register_transform(node, transform, predicate)
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try:
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yield
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finally:
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manager.unregister_transform(node, transform, predicate)
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class StdlibCheckerTest(CheckerTestCase):
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CHECKER_CLASS = stdlib.StdlibChecker
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def test_deprecated_no_qname_on_unexpected_nodes(self):
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# Test that we don't crash on nodes which don't have
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# a qname method. While this test might seem weird since
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# it uses a transform, it's actually testing a crash that
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# happened in production, but there was no way to retrieve
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# the code for which this occurred (how an AssignAttr
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# got to be the result of a function inference
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# beats me..)
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def infer_func(node, context=None):
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new_node = astroid.AssignAttr()
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new_node.parent = node
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yield new_node
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manager = astroid.MANAGER
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transform = astroid.inference_tip(infer_func)
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with _add_transform(manager, astroid.Name, transform):
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node = test_utils.extract_node('''
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call_something()
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''')
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with self.assertNoMessages():
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self.checker.visit_call(node)
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if __name__ == '__main__':
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unittest.main()
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