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##############################################################################
#
# Copyright (c) 2001, 2002 Zope Foundation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
"""Test interface sorting
"""
import unittest
from zope.interface import Interface
class I1(Interface): pass
class I2(I1): pass
class I3(I1): pass
class I4(Interface): pass
class I5(I4): pass
class I6(I2): pass
class Test(unittest.TestCase):
def test(self):
l = [I1, I3, I5, I6, I4, I2]
l.sort()
self.assertEqual(l, [I1, I2, I3, I4, I5, I6])
def test_w_None(self):
l = [I1, None, I3, I5, I6, I4, I2]
l.sort()
self.assertEqual(l, [I1, I2, I3, I4, I5, I6, None])
def test_w_equal_names(self):
# interfaces with equal names but different modules should sort by
# module name
from zope.interface.tests.m1 import I1 as m1_I1
l = [I1, m1_I1]
l.sort()
self.assertEqual(l, [m1_I1, I1])
def test_I1_I2(self):
self.assertLess(I1.__name__, I2.__name__)
self.assertEqual(I1.__module__, I2.__module__)
self.assertEqual(I1.__module__, __name__)
self.assertLess(I1, I2)
def _makeI1(self):
class I1(Interface):
pass
return I1
def test_nested(self):
nested_I1 = self._makeI1()
self.assertEqual(I1, nested_I1)
self.assertEqual(nested_I1, I1)
self.assertEqual(hash(I1), hash(nested_I1))
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