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##############################################################################
#
# Copyright (c) 2010 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.
#
##############################################################################
""" zope.interface.exceptions unit tests
"""
import unittest
def _makeIface():
from zope.interface import Interface
class IDummy(Interface):
pass
return IDummy
class DoesNotImplementTests(unittest.TestCase):
def _getTargetClass(self):
from zope.interface.exceptions import DoesNotImplement
return DoesNotImplement
def _makeOne(self, iface=None):
if iface is None:
iface = _makeIface()
return self._getTargetClass()(iface)
def test___str__(self):
dni = self._makeOne()
# XXX The trailing newlines and blank spaces are a stupid artifact.
self.assertEqual(str(dni),
'An object does not implement interface <InterfaceClass '
'zope.interface.tests.test_exceptions.IDummy>\n\n ')
class BrokenImplementationTests(unittest.TestCase):
def _getTargetClass(self):
from zope.interface.exceptions import BrokenImplementation
return BrokenImplementation
def _makeOne(self, iface=None, name='missing'):
if iface is None:
iface = _makeIface()
return self._getTargetClass()(iface, name)
def test___str__(self):
dni = self._makeOne()
# XXX The trailing newlines and blank spaces are a stupid artifact.
self.assertEqual(str(dni),
'An object has failed to implement interface <InterfaceClass '
'zope.interface.tests.test_exceptions.IDummy>\n\n'
' The missing attribute was not provided.\n ')
class BrokenMethodImplementationTests(unittest.TestCase):
def _getTargetClass(self):
from zope.interface.exceptions import BrokenMethodImplementation
return BrokenMethodImplementation
def _makeOne(self, method='aMethod', mess='I said so'):
return self._getTargetClass()(method, mess)
def test___str__(self):
dni = self._makeOne()
self.assertEqual(str(dni),
'The implementation of aMethod violates its contract\n'
' because I said so.\n ')