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https://fuchsia.googlesource.com/third_party/github.com/pylint-dev/pylint
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cd2c4adeb2
Due to this new function, is_import_error is deprecated and scheduled for removal in Pylint 1.6.
101 lines
3.9 KiB
Python
101 lines
3.9 KiB
Python
# Copyright (c) 2003-2005 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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"""Tests for the pylint.checkers.utils module."""
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import sys
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import unittest
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import warnings
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from astroid import test_utils
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from pylint.checkers import utils
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from pylint import __pkginfo__
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try:
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__builtins__.mybuiltin = 2
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except AttributeError:
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__builtins__['mybuiltin'] = 2
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class UtilsTC(unittest.TestCase):
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## def test_is_native_builtin(self):
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## self.assertEqual(utils.is_native_builtin('min'), True)
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## self.assertEqual(utils.is_native_builtin('__path__'), True)
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## self.assertEqual(utils.is_native_builtin('__file__'), True)
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## self.assertEqual(utils.is_native_builtin('whatever'), False)
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## self.assertEqual(utils.is_native_builtin('mybuiltin'), False)
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def test_is_builtin(self):
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self.assertEqual(utils.is_builtin('min'), True)
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self.assertEqual(utils.is_builtin('__builtins__'), True)
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self.assertEqual(utils.is_builtin('__path__'), False)
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self.assertEqual(utils.is_builtin('__file__'), False)
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self.assertEqual(utils.is_builtin('whatever'), False)
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self.assertEqual(utils.is_builtin('mybuiltin'), False)
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def testGetArgumentFromCall(self):
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node = test_utils.extract_node('foo(bar=3)')
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self.assertIsNotNone(utils.get_argument_from_call(node, keyword='bar'))
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with self.assertRaises(utils.NoSuchArgumentError):
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node = test_utils.extract_node('foo(3)')
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utils.get_argument_from_call(node, keyword='bar')
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with self.assertRaises(utils.NoSuchArgumentError):
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node = test_utils.extract_node('foo(one=a, two=b, three=c)')
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utils.get_argument_from_call(node, position=1)
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node = test_utils.extract_node('foo(a, b, c)')
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self.assertIsNotNone(utils.get_argument_from_call(node, position=1))
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node = test_utils.extract_node('foo(a, not_this_one=1, this_one=2)')
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arg = utils.get_argument_from_call(node, position=1, keyword='this_one')
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self.assertEqual(2, arg.value)
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node = test_utils.extract_node('foo(a)')
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with self.assertRaises(utils.NoSuchArgumentError):
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utils.get_argument_from_call(node, position=1)
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with self.assertRaises(ValueError):
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utils.get_argument_from_call(node, None, None)
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name = utils.get_argument_from_call(node, position=0)
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self.assertEqual(name.name, 'a')
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def test_is_import_error(self):
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import_error, not_import_error = test_utils.extract_node("""
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try:
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pass
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except ImportError: #@
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pass
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try:
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pass
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except AttributeError: #@
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pass
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""")
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if __pkginfo__.numversion >= (1, 6, 0):
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with self.assertRaises(AttributeError):
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utils.is_import_error
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with warnings.catch_warnings(record=True) as cm:
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warnings.simplefilter("always")
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self.assertTrue(utils.is_import_error(import_error))
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self.assertFalse(utils.is_import_error(not_import_error))
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self.assertEqual(len(cm), 2)
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self.assertIsInstance(cm[0].message, DeprecationWarning)
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if __name__ == '__main__':
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unittest.main()
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