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test_property.py
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197 lines (127 loc) · 5.73 KB
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# ===========================================================================
# This software is subject to the provisions of the Zope Public License,
# Version 2.0 (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.
# ===========================================================================
import sys, os, string, unittest, types
from Python.Test import PropertyTest
class PropertyTests(unittest.TestCase):
"""Test CLR property support."""
def testPublicInstanceProperty(self):
"""Test public instance properties."""
object = PropertyTest();
self.assertTrue(object.PublicProperty == 0)
object.PublicProperty = 1
self.assertTrue(object.PublicProperty == 1)
def test():
del PropertyTest().PublicProperty
self.assertRaises(TypeError, test)
def testPublicStaticProperty(self):
"""Test public static properties."""
object = PropertyTest();
self.assertTrue(PropertyTest.PublicStaticProperty == 0)
PropertyTest.PublicStaticProperty = 1
self.assertTrue(PropertyTest.PublicStaticProperty == 1)
self.assertTrue(object.PublicStaticProperty == 1)
object.PublicStaticProperty = 0
self.assertTrue(object.PublicStaticProperty == 0)
def test():
del PropertyTest.PublicStaticProperty
self.assertRaises(TypeError, test)
def test():
del PropertyTest().PublicStaticProperty
self.assertRaises(TypeError, test)
def testProtectedInstanceProperty(self):
"""Test protected instance properties."""
object = PropertyTest();
self.assertTrue(object.ProtectedProperty == 0)
object.ProtectedProperty = 1
self.assertTrue(object.ProtectedProperty == 1)
def test():
del PropertyTest().ProtectedProperty
self.assertRaises(TypeError, test)
def testProtectedStaticProperty(self):
"""Test protected static properties."""
object = PropertyTest();
self.assertTrue(PropertyTest.ProtectedStaticProperty == 0)
PropertyTest.ProtectedStaticProperty = 1
self.assertTrue(PropertyTest.ProtectedStaticProperty == 1)
self.assertTrue(object.ProtectedStaticProperty == 1)
object.ProtectedStaticProperty = 0
self.assertTrue(object.ProtectedStaticProperty == 0)
def test():
del PropertyTest.ProtectedStaticProperty
self.assertRaises(TypeError, test)
def test():
del PropertyTest().ProtectedStaticProperty
self.assertRaises(TypeError, test)
def testInternalProperty(self):
"""Test internal properties."""
def test():
f = PropertyTest().InternalProperty
self.assertRaises(AttributeError, test)
def test():
f = PropertyTest().InternalStaticProperty
self.assertRaises(AttributeError, test)
def test():
f = PropertyTest.InternalStaticProperty
self.assertRaises(AttributeError, test)
def testPrivateProperty(self):
"""Test private properties."""
def test():
f = PropertyTest().PrivateProperty
self.assertRaises(AttributeError, test)
def test():
f = PropertyTest().PrivateStaticProperty
self.assertRaises(AttributeError, test)
def test():
f = PropertyTest.PrivateStaticProperty
self.assertRaises(AttributeError, test)
def testPropertyDescriptorGetSet(self):
"""Test property descriptor get / set."""
# This test ensures that setting an attribute implemented with
# a descriptor actually goes through the descriptor (rather than
# silently replacing the descriptor in the instance or type dict.
object = PropertyTest()
self.assertTrue(PropertyTest.PublicStaticProperty == 0)
self.assertTrue(object.PublicStaticProperty == 0)
descriptor = PropertyTest.__dict__['PublicStaticProperty']
self.assertTrue(type(descriptor) != types.IntType)
object.PublicStaticProperty = 0
descriptor = PropertyTest.__dict__['PublicStaticProperty']
self.assertTrue(type(descriptor) != types.IntType)
PropertyTest.PublicStaticProperty = 0
descriptor = PropertyTest.__dict__['PublicStaticProperty']
self.assertTrue(type(descriptor) != types.IntType)
def testPropertyDescriptorWrongType(self):
"""Test setting a property using a value of the wrong type."""
def test():
object = PropertyTest()
object.PublicProperty = "spam"
self.assertTrue(TypeError, test)
def testPropertyDescriptorAbuse(self):
"""Test property descriptor abuse."""
desc = PropertyTest.__dict__['PublicProperty']
def test():
desc.__get__(0, 0)
self.assertRaises(TypeError, test)
def test():
desc.__set__(0, 0)
self.assertRaises(TypeError, test)
def testInterfaceProperty(self):
"""Test properties of interfaces. Added after a bug report
that an IsAbstract check was inappropriate and prevented
use of properties when only the interface is known."""
from System.Collections import Hashtable, ICollection
mapping = Hashtable()
coll = ICollection(mapping)
self.assertTrue(coll.Count == 0)
def test_suite():
return unittest.makeSuite(PropertyTests)
def main():
unittest.TextTestRunner().run(test_suite())
if __name__ == '__main__':
main()