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# Copyright (c) 2004 by Intevation GmbH
# Authors:
# Martin Schulze <joey@infodrom.org>
#
# 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 case for the Thuban ClassMapper.
"""
__version__ = "$Revision: 2298 $"
# $Source$
# $Id: test_classmapper.py 2298 2004-07-26 15:59:46Z joey $
import unittest
import support
support.initthuban()
from Thuban.Lib.classmapper import ClassMapper
class TestMapping(unittest.TestCase):
def test_mapper(self):
"""
Test ClassMapper
"""
class MyClass:
pass
class MySecondClass:
def hello(self):
return "Hello World!"
class MyThirdClass:
def hello(self):
return "Hello Earth!"
mapping = ClassMapper()
instance = MyClass()
# See if an empty mapping really returns False
#
self.assertEqual(mapping.get(instance), None)
self.assertEqual(mapping.has(instance), False)
# See if an installed mapping works
#
mapping.add(MyClass, MySecondClass)
self.assertEqual(mapping.get(instance), MySecondClass)
self.assertEqual(mapping.has(instance), True)
# Ensure that it's really the class we put in and the method
# is available as expected.
#
myinst = mapping.get(instance)()
self.assertEqual(myinst.hello(), "Hello World!")
second = ClassMapper()
# Test if a second mapper gets mixed ubp with the first one.
#
self.assertEqual(second.get(instance), None)
second.add(MyClass, MyThirdClass)
self.assertEqual(second.get(instance), MyThirdClass)
self.assertEqual(second.has(instance), True)
# Ensure that it's really the class we put in and the method
# is available as expected.
#
myinst = second.get(instance)()
self.assertEqual(myinst.hello(), "Hello Earth!")
if __name__ == "__main__":
support.run_tests()
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