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test_class.py
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242 lines (160 loc) · 6.73 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.
# ===========================================================================
from System.Collections import Hashtable
from Python.Test import ClassTest
import sys, os, string, unittest, types
import Python.Test as Test
import System
class ClassTests(unittest.TestCase):
"""Test CLR class support."""
def testBasicReferenceType(self):
"""Test usage of CLR defined reference types."""
String = System.String
self.assertEquals(String.Empty, "")
def testBasicValueType(self):
"""Test usage of CLR defined value types."""
Int32 = System.Int32
self.assertEquals(Int32.MaxValue, 2147483647)
def testClassStandardAttrs(self):
"""Test standard class attributes."""
self.assertTrue(ClassTest.__name__ == 'ClassTest')
self.assertTrue(ClassTest.__module__ == 'Python.Test')
self.assertTrue(type(ClassTest.__dict__) == types.DictProxyType)
self.assertTrue(len(ClassTest.__doc__) > 0)
def testClassDocstrings(self):
"""Test standard class docstring generation"""
value = 'Void .ctor()'
self.assertTrue(ClassTest.__doc__ == value)
def testClassDefaultStr(self):
"""Test the default __str__ implementation for managed objects."""
s = System.String("this is a test")
self.assertTrue(str(s) == "this is a test")
def testClassDefaultRepr(self):
"""Test the default __repr__ implementation for managed objects."""
s = System.String("this is a test")
self.assertTrue(repr(s).startswith("<System.String object"))
def testNonPublicClass(self):
"""Test that non-public classes are inaccessible."""
from Python import Test
def test():
from Python.Test import InternalClass
self.assertRaises(ImportError, test)
def test():
x = Test.InternalClass
self.assertRaises(AttributeError, test)
def testBasicSubclass(self):
"""Test basic subclass of a managed class."""
class MyTable(Hashtable):
def howMany(self):
return self.Count
table = MyTable()
self.assertTrue(table.__class__.__name__.endswith('MyTable'))
self.assertTrue(type(table).__name__.endswith('MyTable'))
self.assertTrue(len(table.__class__.__bases__) == 1)
self.assertTrue(table.__class__.__bases__[0] == Hashtable)
self.assertTrue(table.howMany() == 0)
self.assertTrue(table.Count == 0)
table.set_Item('one', 'one')
self.assertTrue(table.howMany() == 1)
self.assertTrue(table.Count == 1)
MyTable = None
def testSubclassWithNoArgConstructor(self):
"""Test subclass of a managed class with a no-arg constructor."""
from Python.Test import ClassCtorTest1
class SubClass(ClassCtorTest1):
def __init__(self, name):
self.name = name
# This failed in earlier versions
inst = SubClass('test')
def testSubclassWithVariousConstructors(self):
"""Test subclass of a managed class with various constructors."""
from Python.Test import ClassCtorTest2
class SubClass(ClassCtorTest2):
def __init__(self, v):
ClassCtorTest2.__init__(self)
self.value = v
inst = SubClass('test')
self.assertTrue(inst.value == 'test')
class SubClass2(ClassCtorTest2):
def __init__(self, v):
ClassCtorTest2.__init__(self)
self.value = v
inst = SubClass2('test')
self.assertTrue(inst.value == 'test')
def testStructConstruction(self):
"""Test construction of structs."""
from System.Drawing import Point
def test():
p = Point()
self.assertRaises(TypeError, test)
p = Point(0, 0)
self.assertTrue(p.X == 0)
self.assertTrue(p.Y == 0)
p.X = 10
p.Y = 10
self.assertTrue(p.X == 10)
self.assertTrue(p.Y == 10)
# test strange __new__ interactions
# test weird metatype
# test recursion
# test
def testIEnumerableIteration(self):
"""Test iteration over objects supporting IEnumerable."""
list = Test.ClassTest.GetArrayList()
for item in list:
self.assertTrue((item > -1) and (item < 10))
dict = Test.ClassTest.GetHashtable()
for item in dict:
cname = item.__class__.__name__
self.assertTrue(cname.endswith('DictionaryEntry'))
def testIEnumeratorIteration(self):
"""Test iteration over objects supporting IEnumerator."""
chars = Test.ClassTest.GetEnumerator()
for item in chars:
self.assertTrue(item in 'test string')
def testOverrideGetItem(self):
"""Test managed subclass overriding __getitem__."""
class MyTable(Hashtable):
def __getitem__(self, key):
value = Hashtable.__getitem__(self, key)
return 'my ' + str(value)
table = MyTable()
table['one'] = 'one'
table['two'] = 'two'
table['three'] = 'three'
self.assertTrue(table['one'] == 'my one')
self.assertTrue(table['two'] == 'my two')
self.assertTrue(table['three'] == 'my three')
self.assertTrue(table.Count == 3)
def testOverrideSetItem(self):
"""Test managed subclass overriding __setitem__."""
class MyTable(Hashtable):
def __setitem__(self, key, value):
value = 'my ' + str(value)
Hashtable.__setitem__(self, key, value)
table = MyTable()
table['one'] = 'one'
table['two'] = 'two'
table['three'] = 'three'
self.assertTrue(table['one'] == 'my one')
self.assertTrue(table['two'] == 'my two')
self.assertTrue(table['three'] == 'my three')
self.assertTrue(table.Count == 3)
class ClassicClass:
def kind(self):
return 'classic'
class NewStyleClass(object):
def kind(self):
return 'new-style'
def test_suite():
return unittest.makeSuite(ClassTests)
def main():
unittest.TextTestRunner().run(test_suite())
if __name__ == '__main__':
main()