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test_method.py
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772 lines (586 loc) · 26.6 KB
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import sys, os, string, unittest, types
import clr
clr.AddReference("Python.Test")
from Python.Test import MethodTest, MethodTestSub
import System
import six
if six.PY3:
long = int
unichr = chr
class MethodTests(unittest.TestCase):
"""Test CLR method support."""
def testInstanceMethodDescriptor(self):
"""Test instance method descriptor behavior."""
def test():
MethodTest().PublicMethod = 0
self.assertRaises(AttributeError, test)
def test():
MethodTest.PublicMethod = 0
self.assertRaises(AttributeError, test)
def test():
del MethodTest().PublicMethod
self.assertRaises(AttributeError, test)
def test():
del MethodTest.PublicMethod
self.assertRaises(AttributeError, test)
def testStaticMethodDescriptor(self):
"""Test static method descriptor behavior."""
def test():
MethodTest().PublicStaticMethod = 0
self.assertRaises(AttributeError, test)
def test():
MethodTest.PublicStaticMethod = 0
self.assertRaises(AttributeError, test)
def test():
del MethodTest().PublicStaticMethod
self.assertRaises(AttributeError, test)
def test():
del MethodTest.PublicStaticMethod
self.assertRaises(AttributeError, test)
def testPublicInstanceMethod(self):
"""Test public instance method visibility."""
object = MethodTest();
self.assertTrue(object.PublicMethod() == "public")
def testPublicStaticMethod(self):
"""Test public static method visibility."""
object = MethodTest();
self.assertTrue(MethodTest.PublicStaticMethod() == "public static")
self.assertTrue(object.PublicStaticMethod() == "public static")
def testProtectedInstanceMethod(self):
"""Test protected instance method visibility."""
object = MethodTest();
self.assertTrue(object.ProtectedMethod() == "protected")
def testProtectedStaticMethod(self):
"""Test protected static method visibility."""
object = MethodTest();
result = "protected static"
self.assertTrue(MethodTest.ProtectedStaticMethod() == result)
self.assertTrue(object.ProtectedStaticMethod() == result)
def testInternalMethod(self):
"""Test internal method visibility."""
def test():
f = MethodTest().InternalMethod
self.assertRaises(AttributeError, test)
def test():
f = MethodTest.InternalMethod
self.assertRaises(AttributeError, test)
def test():
f = MethodTest().InternalStaticMethod
self.assertRaises(AttributeError, test)
def test():
f = MethodTest.InternalStaticMethod
self.assertRaises(AttributeError, test)
def testPrivateMethod(self):
"""Test private method visibility."""
def test():
f = MethodTest().PrivateMethod
self.assertRaises(AttributeError, test)
def test():
f = MethodTest.PrivateMethod
self.assertRaises(AttributeError, test)
def test():
f = MethodTest().PrivateStaticMethod
self.assertRaises(AttributeError, test)
def test():
f = MethodTest.PrivateStaticMethod
self.assertRaises(AttributeError, test)
def testUnboundManagedMethodCall(self):
"""Test calling unbound managed methods."""
object = MethodTest()
self.assertTrue(MethodTest.PublicMethod(object) == "public")
def test():
MethodTest.PublicMethod()
self.assertRaises(TypeError, test)
object = MethodTestSub();
self.assertTrue(MethodTestSub.PublicMethod(object) == "public")
self.assertTrue(MethodTestSub.PublicMethod(object, "echo") == "echo")
def test():
MethodTestSub.PublicMethod("echo")
self.assertRaises(TypeError, test)
def testOverloadedMethodInheritance(self):
"""Test that overloads are inherited properly."""
object = MethodTest()
self.assertTrue(object.PublicMethod() == "public")
def test():
object = MethodTest()
object.PublicMethod("echo")
self.assertRaises(TypeError, test)
object = MethodTestSub();
self.assertTrue(object.PublicMethod() == "public")
self.assertTrue(object.PublicMethod("echo") == "echo")
def testMethodDescriptorAbuse(self):
"""Test method descriptor abuse."""
desc = MethodTest.__dict__['PublicMethod']
def test():
desc.__get__(0, 0)
self.assertRaises(TypeError, test)
def test():
desc.__set__(0, 0)
self.assertRaises(AttributeError, test)
def testMethodDocstrings(self):
"""Test standard method docstring generation"""
method = MethodTest.GetType
value = 'System.Type GetType()'
self.assertTrue(method.__doc__ == value)
# ======================================================================
# Tests of specific argument and result conversion scenarios
# ======================================================================
def testMethodCallEnumConversion(self):
"""Test enum conversion in method call."""
from System import TypeCode
object = MethodTest()
r = object.TestEnumConversion(TypeCode.Int32)
self.assertTrue(r == TypeCode.Int32)
def testMethodCallFlagsConversion(self):
"""Test flags conversion in method call."""
from System.IO import FileAccess
object = MethodTest()
flags = FileAccess.Read | FileAccess.Write
r = object.TestFlagsConversion(flags)
self.assertTrue(r == flags)
def testMethodCallStructConversion(self):
"""Test struct conversion in method call."""
from System import Guid
object = MethodTest()
guid = Guid.NewGuid()
temp = guid.ToString()
r = object.TestStructConversion(guid)
self.assertTrue(r.ToString() == temp)
def testSubclassInstanceConversion(self):
"""Test subclass instance conversion in method call."""
class TestSubException(System.Exception):
pass
object = MethodTest()
instance = TestSubException()
result = object.TestSubclassConversion(instance)
self.assertTrue(isinstance(result, System.Exception))
def testNullArrayConversion(self):
"""Test null array conversion in method call."""
from System import Type
object = MethodTest()
r = object.TestNullArrayConversion(None)
self.assertTrue(r == None)
def testStringParamsArgs(self):
"""Test use of string params."""
result = MethodTest.TestStringParamsArg('one', 'two', 'three')
self.assertEqual(result.Length, 3)
self.assertEqual(len(result), 3, result)
self.assertTrue(result[0] == 'one')
self.assertTrue(result[1] == 'two')
self.assertTrue(result[2] == 'three')
result = MethodTest.TestStringParamsArg(['one', 'two', 'three'])
self.assertTrue(len(result) == 3)
self.assertTrue(result[0] == 'one')
self.assertTrue(result[1] == 'two')
self.assertTrue(result[2] == 'three')
def testObjectParamsArgs(self):
"""Test use of object params."""
result = MethodTest.TestObjectParamsArg('one', 'two', 'three')
self.assertEqual(len(result), 3, result)
self.assertTrue(result[0] == 'one')
self.assertTrue(result[1] == 'two')
self.assertTrue(result[2] == 'three')
result = MethodTest.TestObjectParamsArg(['one', 'two', 'three'])
self.assertEqual(len(result), 3, result)
self.assertTrue(result[0] == 'one')
self.assertTrue(result[1] == 'two')
self.assertTrue(result[2] == 'three')
def testValueParamsArgs(self):
"""Test use of value type params."""
result = MethodTest.TestValueParamsArg(1, 2, 3)
self.assertEqual(len(result), 3)
self.assertTrue(result[0] == 1)
self.assertTrue(result[1] == 2)
self.assertTrue(result[2] == 3)
result = MethodTest.TestValueParamsArg([1, 2, 3])
self.assertEqual(len(result), 3)
self.assertTrue(result[0] == 1)
self.assertTrue(result[1] == 2)
self.assertTrue(result[2] == 3)
def testNonParamsArrayInLastPlace(self):
"""Test overload resolution with of non-"params" array as last parameter."""
result = MethodTest.TestNonParamsArrayInLastPlace(1, 2, 3)
self.assertTrue(result)
def testStringOutParams(self):
"""Test use of string out-parameters."""
result = MethodTest.TestStringOutParams("hi", "there")
self.assertTrue(type(result) == type(()))
self.assertEqual(len(result), 2)
self.assertTrue(result[0] == True)
self.assertTrue(result[1] == "output string")
result = MethodTest.TestStringOutParams("hi", None)
self.assertTrue(type(result) == type(()))
self.assertEqual(len(result), 2)
self.assertTrue(result[0] == True)
self.assertTrue(result[1] == "output string")
def testStringRefParams(self):
"""Test use of string byref parameters."""
result = MethodTest.TestStringRefParams("hi", "there")
self.assertTrue(type(result) == type(()))
self.assertEqual(len(result), 2)
self.assertTrue(result[0] == True)
self.assertTrue(result[1] == "output string")
result = MethodTest.TestStringRefParams("hi", None)
self.assertTrue(type(result) == type(()))
self.assertEqual(len(result), 2)
self.assertTrue(result[0] == True)
self.assertTrue(result[1] == "output string")
def testValueOutParams(self):
"""Test use of value type out-parameters."""
result = MethodTest.TestValueOutParams("hi", 1)
self.assertTrue(type(result) == type(()))
self.assertEqual(len(result), 2)
self.assertTrue(result[0] == True)
self.assertTrue(result[1] == 42)
def test():
MethodTest.TestValueOutParams("hi", None)
# None cannot be converted to a value type like int, long, etc.
self.assertRaises(TypeError, test)
def testValueRefParams(self):
"""Test use of value type byref parameters."""
result = MethodTest.TestValueRefParams("hi", 1)
self.assertTrue(type(result) == type(()))
self.assertEqual(len(result), 2)
self.assertTrue(result[0] == True)
self.assertTrue(result[1] == 42)
def test():
MethodTest.TestValueRefParams("hi", None)
# None cannot be converted to a value type like int, long, etc.
self.assertRaises(TypeError, test)
def testObjectOutParams(self):
"""Test use of object out-parameters."""
result = MethodTest.TestObjectOutParams("hi", MethodTest())
self.assertTrue(type(result) == type(()))
self.assertTrue(len(result) == 2)
self.assertTrue(result[0] == True)
self.assertTrue(isinstance(result[1], System.Exception))
result = MethodTest.TestObjectOutParams("hi", None)
self.assertTrue(type(result) == type(()))
self.assertEqual(len(result), 2)
self.assertTrue(result[0] == True)
self.assertTrue(isinstance(result[1], System.Exception))
def testObjectRefParams(self):
"""Test use of object byref parameters."""
result = MethodTest.TestObjectRefParams("hi", MethodTest())
self.assertTrue(type(result) == type(()))
self.assertEqual(len(result), 2)
self.assertTrue(result[0] == True)
self.assertTrue(isinstance(result[1], System.Exception))
result = MethodTest.TestObjectRefParams("hi", None)
self.assertTrue(type(result) == type(()))
self.assertEqual(len(result), 2)
self.assertTrue(result[0] == True)
self.assertTrue(isinstance(result[1], System.Exception))
def testStructOutParams(self):
"""Test use of struct out-parameters."""
result = MethodTest.TestStructOutParams("hi", System.Guid.NewGuid())
self.assertTrue(type(result) == type(()))
self.assertEqual(len(result), 2)
self.assertTrue(result[0] == True)
self.assertTrue(isinstance(result[1], System.Guid))
def test():
MethodTest.TestValueRefParams("hi", None)
# None cannot be converted to a value type like a struct
self.assertRaises(TypeError, test)
def testStructRefParams(self):
"""Test use of struct byref parameters."""
result = MethodTest.TestStructRefParams("hi", System.Guid.NewGuid())
self.assertTrue(type(result) == type(()))
self.assertTrue(len(result) == 2)
self.assertTrue(result[0] == True)
self.assertTrue(isinstance(result[1], System.Guid))
def test():
MethodTest.TestValueRefParams("hi", None)
# None cannot be converted to a value type like a struct
self.assertRaises(TypeError, test)
def testVoidSingleOutParam(self):
"""Test void method with single out-parameter."""
result = MethodTest.TestVoidSingleOutParam(9)
self.assertTrue(result == 42)
def test():
MethodTest.TestVoidSingleOutParam(None)
# None cannot be converted to a value type
self.assertRaises(TypeError, test)
def testVoidSingleRefParam(self):
"""Test void method with single ref-parameter."""
result = MethodTest.TestVoidSingleRefParam(9)
self.assertTrue(result == 42)
def test():
MethodTest.TestVoidSingleRefParam(None)
# None cannot be converted to a value type
self.assertRaises(TypeError, test)
def testSingleDefaultParam(self):
"""Test void method with single ref-parameter."""
result = MethodTest.TestSingleDefaultParam()
self.assertTrue(result == 5)
def testOneArgAndTwoDefaultParam(self):
"""Test void method with single ref-parameter."""
result = MethodTest.TestOneArgAndTwoDefaultParam(11)
self.assertTrue(result == 22)
result = MethodTest.TestOneArgAndTwoDefaultParam(15)
self.assertTrue(result == 26)
result = MethodTest.TestOneArgAndTwoDefaultParam(20)
self.assertTrue(result == 31)
def testTwoDefaultParam(self):
"""Test void method with single ref-parameter."""
result = MethodTest.TestTwoDefaultParam()
self.assertTrue(result == 11)
def testExplicitSelectionWithOutModifier(self):
"""Check explicit overload selection with out modifiers."""
refstr = System.String("").GetType().MakeByRefType()
result = MethodTest.TestStringOutParams.__overloads__[str, refstr](
"hi", "there"
)
self.assertTrue(type(result) == type(()))
self.assertTrue(len(result) == 2)
self.assertTrue(result[0] == True)
self.assertTrue(result[1] == "output string")
result = MethodTest.TestStringOutParams.__overloads__[str, refstr](
"hi", None
)
self.assertTrue(type(result) == type(()))
self.assertTrue(len(result) == 2)
self.assertTrue(result[0] == True)
self.assertTrue(result[1] == "output string")
def testExplicitSelectionWithRefModifier(self):
"""Check explicit overload selection with ref modifiers."""
refstr = System.String("").GetType().MakeByRefType()
result = MethodTest.TestStringRefParams.__overloads__[str, refstr](
"hi", "there"
)
self.assertTrue(type(result) == type(()))
self.assertTrue(len(result) == 2)
self.assertTrue(result[0] == True)
self.assertTrue(result[1] == "output string")
result = MethodTest.TestStringRefParams.__overloads__[str, refstr](
"hi", None
)
self.assertTrue(type(result) == type(()))
self.assertTrue(len(result) == 2)
self.assertTrue(result[0] == True)
self.assertTrue(result[1] == "output string")
def testExplicitOverloadSelection(self):
"""Check explicit overload selection using [] syntax."""
from Python.Test import ISayHello1, InterfaceTest, ShortEnum
from System import Array
inst = InterfaceTest()
value = MethodTest.Overloaded.__overloads__[System.Boolean](True)
self.assertTrue(value == True)
value = MethodTest.Overloaded.__overloads__[bool](True)
self.assertTrue(value == True)
value = MethodTest.Overloaded.__overloads__[System.Byte](255)
self.assertTrue(value == 255)
value = MethodTest.Overloaded.__overloads__[System.SByte](127)
self.assertTrue(value == 127)
value = MethodTest.Overloaded.__overloads__[System.Char](six.u('A'))
self.assertTrue(value == six.u('A'))
value = MethodTest.Overloaded.__overloads__[System.Char](65535)
self.assertTrue(value == unichr(65535))
value = MethodTest.Overloaded.__overloads__[System.Int16](32767)
self.assertTrue(value == 32767)
value = MethodTest.Overloaded.__overloads__[System.Int32](2147483647)
self.assertTrue(value == 2147483647)
value = MethodTest.Overloaded.__overloads__[int](2147483647)
self.assertTrue(value == 2147483647)
value = MethodTest.Overloaded.__overloads__[System.Int64](
long(9223372036854775807)
)
self.assertTrue(value == long(9223372036854775807))
# Python 3 has no explicit long type, use System.Int64 instead
if not six.PY3:
value = MethodTest.Overloaded.__overloads__[long](
long(9223372036854775807)
)
self.assertTrue(value == long(9223372036854775807))
value = MethodTest.Overloaded.__overloads__[System.UInt16](65000)
self.assertTrue(value == 65000)
value = MethodTest.Overloaded.__overloads__[System.UInt32](long(4294967295))
self.assertTrue(value == long(4294967295))
value = MethodTest.Overloaded.__overloads__[System.UInt64](
long(18446744073709551615)
)
self.assertTrue(value == long(18446744073709551615))
value = MethodTest.Overloaded.__overloads__[System.Single](3.402823e38)
self.assertTrue(value == 3.402823e38)
value = MethodTest.Overloaded.__overloads__[System.Double](
1.7976931348623157e308
)
self.assertTrue(value == 1.7976931348623157e308)
value = MethodTest.Overloaded.__overloads__[float](
1.7976931348623157e308
)
self.assertTrue(value == 1.7976931348623157e308)
value = MethodTest.Overloaded.__overloads__[System.Decimal](
System.Decimal.One
)
self.assertTrue(value == System.Decimal.One)
value = MethodTest.Overloaded.__overloads__[System.String]("spam")
self.assertTrue(value == "spam")
value = MethodTest.Overloaded.__overloads__[str]("spam")
self.assertTrue(value == "spam")
value = MethodTest.Overloaded.__overloads__[ShortEnum](ShortEnum.Zero)
self.assertTrue(value == ShortEnum.Zero)
value = MethodTest.Overloaded.__overloads__[System.Object](inst)
self.assertTrue(value.__class__ == inst.__class__)
value = MethodTest.Overloaded.__overloads__[InterfaceTest](inst)
self.assertTrue(value.__class__ == inst.__class__)
value = MethodTest.Overloaded.__overloads__[ISayHello1](inst)
self.assertTrue(value.__class__ == inst.__class__)
atype = Array[System.Object]
value = MethodTest.Overloaded.__overloads__[str, int, atype](
"one", 1, atype([1, 2, 3])
)
self.assertTrue(value == 3)
value = MethodTest.Overloaded.__overloads__[str, int]("one", 1)
self.assertTrue(value == 1)
value = MethodTest.Overloaded.__overloads__[int, str](1, "one")
self.assertTrue(value == 1)
def testOverloadSelectionWithArrayTypes(self):
"""Check overload selection using array types."""
from Python.Test import ISayHello1, InterfaceTest, ShortEnum
from System import Array
inst = InterfaceTest()
vtype = Array[System.Boolean]
input = vtype([True, True])
value = MethodTest.Overloaded.__overloads__[vtype](input)
self.assertTrue(value[0] == True)
self.assertTrue(value[1] == True)
vtype = Array[bool]
input = vtype([True, True])
value = MethodTest.Overloaded.__overloads__[vtype](input)
self.assertTrue(value[0] == True)
self.assertTrue(value[1] == True)
vtype = Array[System.Byte]
input = vtype([0, 255])
value = MethodTest.Overloaded.__overloads__[vtype](input)
self.assertTrue(value[0] == 0)
self.assertTrue(value[1] == 255)
vtype = Array[System.SByte]
input = vtype([0, 127])
value = MethodTest.Overloaded.__overloads__[vtype](input)
self.assertTrue(value[0] == 0)
self.assertTrue(value[1] == 127)
vtype = Array[System.Char]
input = vtype([six.u('A'), six.u('Z')])
value = MethodTest.Overloaded.__overloads__[vtype](input)
self.assertTrue(value[0] == six.u('A'))
self.assertTrue(value[1] == six.u('Z'))
vtype = Array[System.Char]
input = vtype([0, 65535])
value = MethodTest.Overloaded.__overloads__[vtype](input)
self.assertTrue(value[0] == unichr(0))
self.assertTrue(value[1] == unichr(65535))
vtype = Array[System.Int16]
input = vtype([0, 32767])
value = MethodTest.Overloaded.__overloads__[vtype](input)
self.assertTrue(value[0] == 0)
self.assertTrue(value[1] == 32767)
vtype = Array[System.Int32]
input = vtype([0, 2147483647])
value = MethodTest.Overloaded.__overloads__[vtype](input)
self.assertTrue(value[0] == 0)
self.assertTrue(value[1] == 2147483647)
vtype = Array[int]
input = vtype([0, 2147483647])
value = MethodTest.Overloaded.__overloads__[vtype](input)
self.assertTrue(value[0] == 0)
self.assertTrue(value[1] == 2147483647)
vtype = Array[System.Int64]
input = vtype([0, long(9223372036854775807)])
value = MethodTest.Overloaded.__overloads__[vtype](input)
self.assertTrue(value[0] == 0)
self.assertTrue(value[1] == long(9223372036854775807))
# Python 3 has no explicit long type, use System.Int64 instead
if not six.PY3:
vtype = Array[long]
input = vtype([0, long(9223372036854775807)])
value = MethodTest.Overloaded.__overloads__[vtype](input)
self.assertTrue(value[0] == 0)
self.assertTrue(value[1] == long(9223372036854775807))
vtype = Array[System.UInt16]
input = vtype([0, 65000])
value = MethodTest.Overloaded.__overloads__[vtype](input)
self.assertTrue(value[0] == 0)
self.assertTrue(value[1] == 65000)
vtype = Array[System.UInt32]
input = vtype([0, long(4294967295)])
value = MethodTest.Overloaded.__overloads__[vtype](input)
self.assertTrue(value[0] == 0)
self.assertTrue(value[1] == long(4294967295))
vtype = Array[System.UInt64]
input = vtype([0, long(18446744073709551615)])
value = MethodTest.Overloaded.__overloads__[vtype](input)
self.assertTrue(value[0] == 0)
self.assertTrue(value[1] == long(18446744073709551615))
vtype = Array[System.Single]
input = vtype([0.0, 3.402823e38])
value = MethodTest.Overloaded.__overloads__[vtype](input)
self.assertTrue(value[0] == 0.0)
self.assertTrue(value[1] == 3.402823e38)
vtype = Array[System.Double]
input = vtype([0.0, 1.7976931348623157e308])
value = MethodTest.Overloaded.__overloads__[vtype](input)
self.assertTrue(value[0] == 0.0)
self.assertTrue(value[1] == 1.7976931348623157e308)
vtype = Array[float]
input = vtype([0.0, 1.7976931348623157e308])
value = MethodTest.Overloaded.__overloads__[vtype](input)
self.assertTrue(value[0] == 0.0)
self.assertTrue(value[1] == 1.7976931348623157e308)
vtype = Array[System.Decimal]
input = vtype([System.Decimal.Zero, System.Decimal.One])
value = MethodTest.Overloaded.__overloads__[vtype](input)
self.assertTrue(value[0] == System.Decimal.Zero)
self.assertTrue(value[1] == System.Decimal.One)
vtype = Array[System.String]
input = vtype(["one", "two"])
value = MethodTest.Overloaded.__overloads__[vtype](input)
self.assertTrue(value[0] == "one")
self.assertTrue(value[1] == "two")
vtype = Array[str]
input = vtype(["one", "two"])
value = MethodTest.Overloaded.__overloads__[vtype](input)
self.assertTrue(value[0] == "one")
self.assertTrue(value[1] == "two")
vtype = Array[ShortEnum]
input = vtype([ShortEnum.Zero, ShortEnum.One])
value = MethodTest.Overloaded.__overloads__[vtype](input)
self.assertTrue(value[0] == ShortEnum.Zero)
self.assertTrue(value[1] == ShortEnum.One)
vtype = Array[System.Object]
input = vtype([inst, inst])
value = MethodTest.Overloaded.__overloads__[vtype](input)
self.assertTrue(value[0].__class__ == inst.__class__)
self.assertTrue(value[1].__class__ == inst.__class__)
vtype = Array[InterfaceTest]
input = vtype([inst, inst])
value = MethodTest.Overloaded.__overloads__[vtype](input)
self.assertTrue(value[0].__class__ == inst.__class__)
self.assertTrue(value[1].__class__ == inst.__class__)
vtype = Array[ISayHello1]
input = vtype([inst, inst])
value = MethodTest.Overloaded.__overloads__[vtype](input)
self.assertTrue(value[0].__class__ == inst.__class__)
self.assertTrue(value[1].__class__ == inst.__class__)
def testExplicitOverloadSelectionFailure(self):
"""Check that overload selection fails correctly."""
def test():
value = MethodTest.Overloaded.__overloads__[System.Type](True)
self.assertRaises(TypeError, test)
def test():
value = MethodTest.Overloaded.__overloads__[int, int](1, 1)
self.assertRaises(TypeError, test)
def test():
value = MethodTest.Overloaded.__overloads__[str, int, int](
"", 1, 1
)
self.assertRaises(TypeError, test)
def test():
value = MethodTest.Overloaded.__overloads__[int, long](1)
self.assertRaises(TypeError, test)
def test_suite():
return unittest.makeSuite(MethodTests)
def main():
unittest.TextTestRunner().run(test_suite())
if __name__ == '__main__':
main()