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# copyright 2003-2013 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
#
# This file is part of astroid.
#
# astroid is free software: you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by the
# Free Software Foundation, either version 2.1 of the License, or (at your
# option) any later version.
#
# astroid 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 Lesser General Public License
# for more details.
#
# You should have received a copy of the GNU Lesser General Public License along
# with astroid. If not, see <http://www.gnu.org/licenses/>.
from logilab.common.testlib import TestCase, unittest_main
import sys
from os.path import join, abspath, dirname
from astroid.manager import AstroidManager, _silent_no_wrap
from astroid.bases import BUILTINS
DATA = join(dirname(abspath(__file__)), 'data')
class AstroidManagerTC(TestCase):
def setUp(self):
self.manager = AstroidManager()
self.manager.astroid_cache.clear()
def test_astroid_from_module(self):
import unittest
astroid = self.manager.astroid_from_module(unittest)
self.assertEqual(astroid.pure_python, True)
import time
astroid = self.manager.astroid_from_module(time)
self.assertEqual(astroid.pure_python, False)
def test_astroid_from_class(self):
astroid = self.manager.astroid_from_class(int)
self.assertEqual(astroid.name, 'int')
self.assertEqual(astroid.parent.frame().name, BUILTINS)
astroid = self.manager.astroid_from_class(object)
self.assertEqual(astroid.name, 'object')
self.assertEqual(astroid.parent.frame().name, BUILTINS)
self.assertIn('__setattr__', astroid)
def _test_astroid_from_zip(self, archive):
origpath = sys.path[:]
sys.modules.pop('mypypa', None)
archive_path = join(DATA, archive)
sys.path.insert(0, archive_path)
try:
module = self.manager.astroid_from_module_name('mypypa')
self.assertEqual(module.name, 'mypypa')
self.assertTrue(module.file.endswith('%s/mypypa' % archive),
module.file)
finally:
# remove the module, else after importing egg, we don't get the zip
if 'mypypa' in self.manager.astroid_cache:
del self.manager.astroid_cache['mypypa']
del self.manager._mod_file_cache[('mypypa', None)]
if archive_path in sys.path_importer_cache:
del sys.path_importer_cache[archive_path]
sys.path = origpath
def test_astroid_from_module_name_egg(self):
self._test_astroid_from_zip('MyPyPa-0.1.0-py2.5.egg')
def test_astroid_from_module_name_zip(self):
self._test_astroid_from_zip('MyPyPa-0.1.0-py2.5.zip')
def test_from_directory(self):
obj = self.manager.project_from_files([DATA], _silent_no_wrap, 'data')
self.assertEqual(obj.name, 'data')
self.assertEqual(obj.path, join(DATA, '__init__.py'))
def test_project_node(self):
obj = self.manager.project_from_files([DATA], _silent_no_wrap, 'data')
expected = set(['SSL1', '__init__', 'all', 'appl', 'format', 'module',
'module2', 'noendingnewline', 'nonregr', 'notall'])
expected = ['data', 'data.SSL1', 'data.SSL1.Connection1',
'data.absimport', 'data.all',
'data.appl', 'data.appl.myConnection', 'data.email', 'data.format',
'data.module', 'data.module2', 'data.noendingnewline',
'data.nonregr', 'data.notall']
self.assertListEqual(sorted(k for k in obj.keys()), expected)
def test_do_not_expose_main(self):
obj = self.manager.astroid_from_module_name('__main__')
self.assertEqual(obj.name, '__main__')
self.assertEqual(obj.items(), [])
class BorgAstroidManagerTC(TestCase):
def test_borg(self):
"""test that the AstroidManager is really a borg, i.e. that two different
instances has same cache"""
first_manager = AstroidManager()
built = first_manager.astroid_from_module_name(BUILTINS)
second_manager = AstroidManager()
second_built = first_manager.astroid_from_module_name(BUILTINS)
self.assertIs(built, second_built)
if __name__ == '__main__':
unittest_main()
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