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# 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 Lesser 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 Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser 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.
"""
for the visitors.diadefs module
"""
import os
import unittest
import astroid
from astroid import nodes
from astroid import bases
from astroid import manager
from astroid import test_utils
from pylint.pyreverse import inspector
from unittest_pyreverse_writer import get_project
MANAGER = manager.AstroidManager()
def astroid_wrapper(func, modname):
return func(modname)
class LinkerTest(unittest.TestCase):
def setUp(self):
super(LinkerTest, self).setUp()
self.project = get_project('data', 'data')
self.linker = inspector.Linker(self.project)
self.linker.visit(self.project)
def test_class_implements(self):
klass = self.project.get_module('data.clientmodule_test')['Ancestor']
self.assertTrue(hasattr(klass, 'implements'))
self.assertEqual(len(klass.implements), 1)
self.assertTrue(isinstance(klass.implements[0], nodes.ClassDef))
self.assertEqual(klass.implements[0].name, "Interface")
klass = self.project.get_module('data.clientmodule_test')['Specialization']
self.assertTrue(hasattr(klass, 'implements'))
self.assertEqual(len(klass.implements), 0)
def test_locals_assignment_resolution(self):
klass = self.project.get_module('data.clientmodule_test')['Specialization']
self.assertTrue(hasattr(klass, 'locals_type'))
type_dict = klass.locals_type
self.assertEqual(len(type_dict), 2)
keys = sorted(type_dict.keys())
self.assertEqual(keys, ['TYPE', 'top'])
self.assertEqual(len(type_dict['TYPE']), 1)
self.assertEqual(type_dict['TYPE'][0].value, 'final class')
self.assertEqual(len(type_dict['top']), 1)
self.assertEqual(type_dict['top'][0].value, 'class')
def test_instance_attrs_resolution(self):
klass = self.project.get_module('data.clientmodule_test')['Specialization']
self.assertTrue(hasattr(klass, 'instance_attrs_type'))
type_dict = klass.instance_attrs_type
self.assertEqual(len(type_dict), 2)
keys = sorted(type_dict.keys())
self.assertEqual(keys, ['_id', 'relation'])
self.assertTrue(isinstance(type_dict['relation'][0], bases.Instance),
type_dict['relation'])
self.assertEqual(type_dict['relation'][0].name, 'DoNothing')
self.assertIs(type_dict['_id'][0], astroid.YES)
def test_concat_interfaces(self):
cls = test_utils.extract_node('''
class IMachin: pass
class Correct2:
"""docstring"""
__implements__ = (IMachin,)
class BadArgument:
"""docstring"""
__implements__ = (IMachin,)
class InterfaceCanNowBeFound: #@
"""docstring"""
__implements__ = BadArgument.__implements__ + Correct2.__implements__
''')
interfaces = inspector.interfaces(cls)
self.assertEqual([i.name for i in interfaces], ['IMachin'])
def test_interfaces(self):
module = astroid.parse('''
class Interface(object): pass
class MyIFace(Interface): pass
class AnotherIFace(Interface): pass
class Concrete0(object):
__implements__ = MyIFace
class Concrete1:
__implements__ = (MyIFace, AnotherIFace)
class Concrete2:
__implements__ = (MyIFace, AnotherIFace)
class Concrete23(Concrete1): pass
''')
for klass, interfaces in (('Concrete0', ['MyIFace']),
('Concrete1', ['MyIFace', 'AnotherIFace']),
('Concrete2', ['MyIFace', 'AnotherIFace']),
('Concrete23', ['MyIFace', 'AnotherIFace'])):
klass = module[klass]
self.assertEqual([i.name for i in inspector.interfaces(klass)],
interfaces)
def test_from_directory(self):
expected = os.path.join('pylint', 'test', 'data', '__init__.py')
self.assertEqual(self.project.name, 'data')
self.assertTrue(self.project.path.endswith(expected), self.project.path)
def test_project_node(self):
expected = [
'data', 'data.clientmodule_test',
'data.suppliermodule_test',
]
self.assertListEqual(sorted(self.project.keys()), expected)
if __name__ == '__main__':
unittest.main()
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