Application: gvSIG desktop » gvSIG scripting

# Copyright (c) 2003-2015 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.,

# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

import contextlib

import unittest

import astroid

from astroid import test_utils

from pylint.checkers import stdlib

from pylint.testutils import CheckerTestCase

@contextlib.contextmanager

def _add_transform(manager, node, transform, predicate=None):

    manager.register_transform(node, transform, predicate)

    try:

        yield

    finally:

        manager.unregister_transform(node, transform, predicate)

class StdlibCheckerTest(CheckerTestCase):

    CHECKER_CLASS = stdlib.StdlibChecker

    def test_deprecated_no_qname_on_unexpected_nodes(self):

        # Test that we don't crash on nodes which don't have

        # a qname method. While this test might seem weird since

        # it uses a transform, it's actually testing a crash that

        # happened in production, but there was no way to retrieve

        # the code for which this occurred (how an AssignAttr

        # got to be the result of a function inference

        # beats me..)

        def infer_func(node, context=None):

            new_node = astroid.AssignAttr()

            new_node.parent = node

            yield new_node

        manager = astroid.MANAGER

        transform = astroid.inference_tip(infer_func)

        with _add_transform(manager, astroid.Name, transform):

            node = test_utils.extract_node('''

            call_something()

            ''')

            with self.assertNoMessages():

                self.checker.visit_call(node)

if __name__ == '__main__':

    unittest.main()