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# Copyright (c) 2003-2005 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.
"""test the pylint.checkers.utils module
"""
__revision__ = '$Id: unittest_checkers_utils.py,v 1.6 2005-11-02 09:22:07 syt Exp $'
import unittest
import sys
from astroid import test_utils
from pylint.checkers import utils
try:
__builtins__.mybuiltin = 2
except AttributeError:
__builtins__['mybuiltin'] = 2
class UtilsTC(unittest.TestCase):
## def test_is_native_builtin(self):
## self.assertEqual(utils.is_native_builtin('min'), True)
## self.assertEqual(utils.is_native_builtin('__path__'), True)
## self.assertEqual(utils.is_native_builtin('__file__'), True)
## self.assertEqual(utils.is_native_builtin('whatever'), False)
## self.assertEqual(utils.is_native_builtin('mybuiltin'), False)
def test_is_builtin(self):
self.assertEqual(utils.is_builtin('min'), True)
self.assertEqual(utils.is_builtin('__builtins__'), True)
self.assertEqual(utils.is_builtin('__path__'), False)
self.assertEqual(utils.is_builtin('__file__'), False)
self.assertEqual(utils.is_builtin('whatever'), False)
self.assertEqual(utils.is_builtin('mybuiltin'), False)
def testGetArgumentFromCall(self):
node = test_utils.extract_node('foo(bar=3)')
self.assertIsNotNone(utils.get_argument_from_call(node, keyword='bar'))
with self.assertRaises(utils.NoSuchArgumentError):
node = test_utils.extract_node('foo(3)')
utils.get_argument_from_call(node, keyword='bar')
with self.assertRaises(utils.NoSuchArgumentError):
node = test_utils.extract_node('foo(one=a, two=b, three=c)')
utils.get_argument_from_call(node, position=1)
node = test_utils.extract_node('foo(a, b, c)')
self.assertIsNotNone(utils.get_argument_from_call(node, position=1))
node = test_utils.extract_node('foo(a, not_this_one=1, this_one=2)')
arg = utils.get_argument_from_call(node, position=1, keyword='this_one')
self.assertEqual(2, arg.value)
node = test_utils.extract_node('foo(a)')
with self.assertRaises(utils.NoSuchArgumentError):
utils.get_argument_from_call(node, position=1)
with self.assertRaises(ValueError):
utils.get_argument_from_call(node, None, None)
if __name__ == '__main__':
unittest.main()
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