pythonnet/src/tests/test_method.py at v2.5.1 · pythonnet/pythonnet · GitHub

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# -*- coding: utf-8 -*-

"""Test CLR method support."""

import System

import pytest

from Python.Test import MethodTest

from ._compat import PY2, long, unichr

def test_instance_method_descriptor():

"""Test instance method descriptor behavior."""

with pytest.raises(AttributeError):

MethodTest().PublicMethod = 0

with pytest.raises(AttributeError):

MethodTest.PublicMethod = 0

with pytest.raises(AttributeError):

del MethodTest().PublicMethod

with pytest.raises(AttributeError):

del MethodTest.PublicMethod

def test_static_method_descriptor():

"""Test static method descriptor behavior."""

with pytest.raises(AttributeError):

MethodTest().PublicStaticMethod = 0

with pytest.raises(AttributeError):

MethodTest.PublicStaticMethod = 0

with pytest.raises(AttributeError):

del MethodTest().PublicStaticMethod

with pytest.raises(AttributeError):

del MethodTest.PublicStaticMethod

def test_public_instance_method():

"""Test public instance method visibility."""

ob = MethodTest()

assert ob.PublicMethod() == "public"

def test_public_static_method():

"""Test public static method visibility."""

ob = MethodTest()

assert MethodTest.PublicStaticMethod() == "public static"

assert ob.PublicStaticMethod() == "public static"

def test_protected_instance_method():

"""Test protected instance method visibility."""

ob = MethodTest()

assert ob.ProtectedMethod() == "protected"

def test_protected_static_method():

"""Test protected static method visibility."""

ob = MethodTest()

result = "protected static"

assert MethodTest.ProtectedStaticMethod() == result

assert ob.ProtectedStaticMethod() == result

def test_internal_method():

"""Test internal method visibility."""

with pytest.raises(AttributeError):

_ = MethodTest().InternalMethod

with pytest.raises(AttributeError):

_ = MethodTest.InternalMethod

with pytest.raises(AttributeError):

_ = MethodTest().InternalStaticMethod

with pytest.raises(AttributeError):

_ = MethodTest.InternalStaticMethod

def test_private_method():

"""Test private method visibility."""

with pytest.raises(AttributeError):

_ = MethodTest().PrivateMethod

with pytest.raises(AttributeError):

_ = MethodTest.PrivateMethod

with pytest.raises(AttributeError):

_ = MethodTest().PrivateStaticMethod

with pytest.raises(AttributeError):

_ = MethodTest.PrivateStaticMethod

def test_unbound_managed_method_call():

"""Test calling unbound managed methods."""

from Python.Test import MethodTestSub

ob = MethodTest()

assert MethodTest.PublicMethod(ob) == "public"

with pytest.raises(TypeError):

MethodTest.PublicMethod()

ob = MethodTestSub()

assert MethodTestSub.PublicMethod(ob) == "public"

assert MethodTestSub.PublicMethod(ob, "echo") == "echo"

with pytest.raises(TypeError):

MethodTestSub.PublicMethod("echo")

def test_overloaded_method_inheritance():

"""Test that overloads are inherited properly."""

from Python.Test import MethodTestSub

ob = MethodTest()

assert ob.PublicMethod() == "public"

with pytest.raises(TypeError):

ob = MethodTest()

ob.PublicMethod("echo")

ob = MethodTestSub()

assert ob.PublicMethod() == "public"

assert ob.PublicMethod("echo") == "echo"

def test_method_descriptor_abuse():

"""Test method descriptor abuse."""

desc = MethodTest.__dict__['PublicMethod']

with pytest.raises(TypeError):

desc.__get__(0, 0)

with pytest.raises(AttributeError):

desc.__set__(0, 0)

def test_method_docstrings():

"""Test standard method docstring generation"""

method = MethodTest.GetType

value = 'System.Type GetType()'

assert method.__doc__ == value

# ======================================================================

# Tests of specific argument and result conversion scenarios

# ======================================================================

def test_method_call_enum_conversion():

"""Test enum conversion in method call."""

from System import TypeCode

ob = MethodTest()

r = ob.TestEnumConversion(TypeCode.Int32)

assert r == TypeCode.Int32

def test_method_call_flags_conversion():

"""Test flags conversion in method call."""

from System.IO import FileAccess

ob = MethodTest()

flags = FileAccess.Read | FileAccess.Write

r = ob.TestFlagsConversion(flags)

assert r == flags

def test_method_call_struct_conversion():

"""Test struct conversion in method call."""

from System import Guid

ob = MethodTest()

guid = Guid.NewGuid()

temp = guid.ToString()

r = ob.TestStructConversion(guid)

assert r.ToString() == temp

def test_subclass_instance_conversion():

"""Test subclass instance conversion in method call."""

class TestSubException(System.Exception):

pass

ob = MethodTest()

instance = TestSubException()

result = ob.TestSubclassConversion(instance)

assert isinstance(result, System.Exception)

def test_null_array_conversion():

"""Test null array conversion in method call."""

ob = MethodTest()

r = ob.TestNullArrayConversion(None)

assert r is None

def test_string_params_args():

"""Test use of string params."""

result = MethodTest.TestStringParamsArg('one', 'two', 'three')

assert result.Length == 3

assert len(result) == 3, result

assert result[0] == 'one'

assert result[1] == 'two'

assert result[2] == 'three'

result = MethodTest.TestStringParamsArg(['one', 'two', 'three'])

assert len(result) == 3

assert result[0] == 'one'

assert result[1] == 'two'

assert result[2] == 'three'

def test_object_params_args():

"""Test use of object params."""

result = MethodTest.TestObjectParamsArg('one', 'two', 'three')

assert len(result) == 3, result

assert result[0] == 'one'

assert result[1] == 'two'

assert result[2] == 'three'

result = MethodTest.TestObjectParamsArg(['one', 'two', 'three'])

assert len(result) == 3, result

assert result[0] == 'one'

assert result[1] == 'two'

assert result[2] == 'three'

def test_value_params_args():

"""Test use of value type params."""

result = MethodTest.TestValueParamsArg(1, 2, 3)

assert len(result) == 3

assert result[0] == 1

assert result[1] == 2

assert result[2] == 3

result = MethodTest.TestValueParamsArg([1, 2, 3])

assert len(result) == 3

assert result[0] == 1

assert result[1] == 2

assert result[2] == 3

def test_non_params_array_in_last_place():

"""Test overload resolution with of non-"params" array as

last parameter."""

result = MethodTest.TestNonParamsArrayInLastPlace(1, 2, 3)

assert result

def test_params_methods_with_no_params():

"""Tests that passing no arguments to a params method

passes an empty array"""

result = MethodTest.TestValueParamsArg()

assert len(result) == 0

result = MethodTest.TestOneArgWithParams('Some String')

assert len(result) == 0

result = MethodTest.TestTwoArgWithParams('Some String', 'Some Other String')

assert len(result) == 0

def test_params_methods_with_non_lists():

"""Tests that passing single parameters to a params

method will convert into an array on the .NET side"""

result = MethodTest.TestOneArgWithParams('Some String', [1, 2, 3, 4])

assert len(result) == 4

result = MethodTest.TestOneArgWithParams('Some String', 1, 2, 3, 4)

assert len(result) == 4

result = MethodTest.TestOneArgWithParams('Some String', [5])

assert len(result) == 1

result = MethodTest.TestOneArgWithParams('Some String', 5)

assert len(result) == 1

def test_params_method_with_lists():

"""Tests passing multiple lists to a params object[] method"""

result = MethodTest.TestObjectParamsArg([],[])

assert len(result) == 2

def test_string_out_params():

"""Test use of string out-parameters."""

result = MethodTest.TestStringOutParams("hi", "there")

assert isinstance(result, tuple)

assert len(result) == 2

assert result[0] is True

assert result[1] == "output string"

result = MethodTest.TestStringOutParams("hi", None)

assert isinstance(result, tuple)

assert len(result) == 2

assert result[0] is True

assert result[1] == "output string"

def test_string_ref_params():

"""Test use of string byref parameters."""

result = MethodTest.TestStringRefParams("hi", "there")

assert isinstance(result, tuple)

assert len(result) == 2

assert result[0] is True

assert result[1] == "output string"

result = MethodTest.TestStringRefParams("hi", None)

assert isinstance(result, tuple)

assert len(result) == 2

assert result[0] is True

assert result[1] == "output string"

def test_value_out_params():

"""Test use of value type out-parameters."""

result = MethodTest.TestValueOutParams("hi", 1)

assert isinstance(result, tuple)

assert len(result) == 2

assert result[0] is True

assert result[1] == 42

# None cannot be converted to a value type like int, long, etc.

with pytest.raises(TypeError):

MethodTest.TestValueOutParams("hi", None)

def test_value_ref_params():

"""Test use of value type byref parameters."""

result = MethodTest.TestValueRefParams("hi", 1)

assert isinstance(result, tuple)

assert len(result) == 2

assert result[0] is True

assert result[1] == 42

# None cannot be converted to a value type like int, long, etc.

with pytest.raises(TypeError):

MethodTest.TestValueRefParams("hi", None)

def test_object_out_params():

"""Test use of object out-parameters."""

result = MethodTest.TestObjectOutParams("hi", MethodTest())

assert isinstance(result, tuple)

assert len(result) == 2

assert result[0] is True

assert isinstance(result[1], System.Exception)

result = MethodTest.TestObjectOutParams("hi", None)

assert isinstance(result, tuple)

assert len(result) == 2

assert result[0] is True

assert isinstance(result[1], System.Exception)

def test_object_ref_params():

"""Test use of object byref parameters."""

result = MethodTest.TestObjectRefParams("hi", MethodTest())

assert isinstance(result, tuple)

assert len(result) == 2

assert result[0] is True

assert isinstance(result[1], System.Exception)

result = MethodTest.TestObjectRefParams("hi", None)

assert isinstance(result, tuple)

assert len(result) == 2

assert result[0] is True

assert isinstance(result[1], System.Exception)

def test_struct_out_params():

"""Test use of struct out-parameters."""

result = MethodTest.TestStructOutParams("hi", System.Guid.NewGuid())

assert isinstance(result, tuple)

assert len(result) == 2

assert result[0] is True

assert isinstance(result[1], System.Guid)

# None cannot be converted to a value type like a struct

with pytest.raises(TypeError):

MethodTest.TestValueRefParams("hi", None)

def test_struct_ref_params():

"""Test use of struct byref parameters."""

result = MethodTest.TestStructRefParams("hi", System.Guid.NewGuid())

assert isinstance(result, tuple)

assert len(result) == 2

assert result[0] is True

assert isinstance(result[1], System.Guid)

# None cannot be converted to a value type like a struct

with pytest.raises(TypeError):

MethodTest.TestValueRefParams("hi", None)

def test_void_single_out_param():

"""Test void method with single out-parameter."""

result = MethodTest.TestVoidSingleOutParam(9)

assert result == 42

# None cannot be converted to a value type

with pytest.raises(TypeError):

MethodTest.TestVoidSingleOutParam(None)

def test_void_single_ref_param():

"""Test void method with single ref-parameter."""

result = MethodTest.TestVoidSingleRefParam(9)

assert result == 42

# None cannot be converted to a value type

with pytest.raises(TypeError):

MethodTest.TestVoidSingleRefParam(None)

def test_single_default_param():

"""Test void method with single ref-parameter."""

result = MethodTest.TestSingleDefaultParam()

assert result == 5

def test_one_arg_and_two_default_param():

"""Test void method with single ref-parameter."""

result = MethodTest.TestOneArgAndTwoDefaultParam(11)

assert result == 22

result = MethodTest.TestOneArgAndTwoDefaultParam(15)

assert result == 26

result = MethodTest.TestOneArgAndTwoDefaultParam(20)

assert result == 31

def test_two_default_param():

"""Test void method with single ref-parameter."""

result = MethodTest.TestTwoDefaultParam()

assert result == 11

def test_explicit_selection_with_out_modifier():

"""Check explicit overload selection with out modifiers."""

refstr = System.String("").GetType().MakeByRefType()

result = MethodTest.TestStringOutParams.__overloads__[str, refstr](

"hi", "there")

assert isinstance(result, tuple)

assert len(result) == 2

assert result[0] is True

assert result[1] == "output string"

result = MethodTest.TestStringOutParams.__overloads__[str, refstr](

"hi", None)

assert isinstance(result, tuple)

assert len(result) == 2

assert result[0] is True

assert result[1] == "output string"

def test_explicit_selection_with_ref_modifier():

"""Check explicit overload selection with ref modifiers."""

refstr = System.String("").GetType().MakeByRefType()

result = MethodTest.TestStringRefParams.__overloads__[str, refstr](

"hi", "there")

assert isinstance(result, tuple)

assert len(result) == 2

assert result[0] is True

assert result[1] == "output string"

result = MethodTest.TestStringRefParams.__overloads__[str, refstr](

"hi", None)

assert isinstance(result, tuple)

assert len(result) == 2

assert result[0] is True

assert result[1] == "output string"

def test_explicit_overload_selection():

"""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)

assert value is True

value = MethodTest.Overloaded.__overloads__[bool](True)

assert value is True

value = MethodTest.Overloaded.__overloads__[System.Byte](255)

assert value == 255

value = MethodTest.Overloaded.__overloads__[System.SByte](127)

assert value == 127

value = MethodTest.Overloaded.__overloads__[System.Char](u'A')

assert value == u'A'

value = MethodTest.Overloaded.__overloads__[System.Char](65535)

assert value == unichr(65535)

value = MethodTest.Overloaded.__overloads__[System.Int16](32767)

assert value == 32767

value = MethodTest.Overloaded.__overloads__[System.Int32](2147483647)

assert value == 2147483647

value = MethodTest.Overloaded.__overloads__[int](2147483647)

assert value == 2147483647

value = MethodTest.Overloaded.__overloads__[System.Int64](

long(9223372036854775807))

assert value == long(9223372036854775807)

# Python 3 has no explicit long type, use System.Int64 instead

if PY2:

value = MethodTest.Overloaded.__overloads__[long](

long(9223372036854775807))

assert value == long(9223372036854775807)

value = MethodTest.Overloaded.__overloads__[System.UInt16](65000)

assert value == 65000

value = MethodTest.Overloaded.__overloads__[System.UInt32](

long(4294967295))

assert value == long(4294967295)

value = MethodTest.Overloaded.__overloads__[System.UInt64](

long(18446744073709551615))

assert value == long(18446744073709551615)

value = MethodTest.Overloaded.__overloads__[System.Single](3.402823e38)

assert value == 3.402823e38

value = MethodTest.Overloaded.__overloads__[System.Double](

1.7976931348623157e308)

assert value == 1.7976931348623157e308

value = MethodTest.Overloaded.__overloads__[float](

1.7976931348623157e308)

assert value == 1.7976931348623157e308

value = MethodTest.Overloaded.__overloads__[System.Decimal](

System.Decimal.One)

assert value == System.Decimal.One

value = MethodTest.Overloaded.__overloads__[System.String]("spam")

assert value == "spam"

value = MethodTest.Overloaded.__overloads__[str]("spam")

assert value == "spam"

value = MethodTest.Overloaded.__overloads__[ShortEnum](ShortEnum.Zero)

assert value == ShortEnum.Zero

value = MethodTest.Overloaded.__overloads__[System.Object](inst)

assert value.__class__ == inst.__class__

value = MethodTest.Overloaded.__overloads__[InterfaceTest](inst)

assert value.__class__ == inst.__class__

value = MethodTest.Overloaded.__overloads__[ISayHello1](inst)

assert value.__class__ == inst.__class__

atype = Array[System.Object]

value = MethodTest.Overloaded.__overloads__[str, int, atype](

"one", 1, atype([1, 2, 3]))

assert value == 3

value = MethodTest.Overloaded.__overloads__[str, int]("one", 1)

assert value == 1

value = MethodTest.Overloaded.__overloads__[int, str](1, "one")

assert value == 1

def test_overload_selection_with_array_types():

"""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_)

assert value[0] is True

assert value[1] is True

vtype = Array[bool]

input_ = vtype([True, True])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] is True

assert value[1] is True

vtype = Array[System.Byte]

input_ = vtype([0, 255])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] == 0

assert value[1] == 255

vtype = Array[System.SByte]

input_ = vtype([0, 127])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] == 0

assert value[1] == 127

vtype = Array[System.Char]

input_ = vtype([u'A', u'Z'])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] == u'A'

assert value[1] == u'Z'

vtype = Array[System.Char]

input_ = vtype([0, 65535])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] == unichr(0)

assert value[1] == unichr(65535)

vtype = Array[System.Int16]

input_ = vtype([0, 32767])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] == 0

assert value[1] == 32767

vtype = Array[System.Int32]

input_ = vtype([0, 2147483647])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] == 0

assert value[1] == 2147483647

vtype = Array[int]

input_ = vtype([0, 2147483647])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] == 0

assert value[1] == 2147483647

vtype = Array[System.Int64]

input_ = vtype([0, long(9223372036854775807)])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] == 0

assert value[1] == long(9223372036854775807)

# Python 3 has no explicit long type, use System.Int64 instead

if PY2:

vtype = Array[long]

input_ = vtype([0, long(9223372036854775807)])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] == 0

assert value[1] == long(9223372036854775807)

vtype = Array[System.UInt16]

input_ = vtype([0, 65000])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] == 0

assert value[1] == 65000

vtype = Array[System.UInt32]

input_ = vtype([0, long(4294967295)])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] == 0

assert value[1] == long(4294967295)

vtype = Array[System.UInt64]

input_ = vtype([0, long(18446744073709551615)])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] == 0

assert value[1] == long(18446744073709551615)

vtype = Array[System.Single]

input_ = vtype([0.0, 3.402823e38])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] == 0.0

assert value[1] == 3.402823e38

vtype = Array[System.Double]

input_ = vtype([0.0, 1.7976931348623157e308])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] == 0.0

assert value[1] == 1.7976931348623157e308

vtype = Array[float]

input_ = vtype([0.0, 1.7976931348623157e308])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] == 0.0

assert value[1] == 1.7976931348623157e308

vtype = Array[System.Decimal]

input_ = vtype([System.Decimal.Zero, System.Decimal.One])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] == System.Decimal.Zero

assert value[1] == System.Decimal.One

vtype = Array[System.String]

input_ = vtype(["one", "two"])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] == "one"

assert value[1] == "two"

vtype = Array[str]

input_ = vtype(["one", "two"])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] == "one"

assert value[1] == "two"

vtype = Array[ShortEnum]

input_ = vtype([ShortEnum.Zero, ShortEnum.One])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] == ShortEnum.Zero

assert value[1] == ShortEnum.One

vtype = Array[System.Object]

input_ = vtype([inst, inst])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0].__class__ == inst.__class__

assert value[1].__class__ == inst.__class__

vtype = Array[InterfaceTest]

input_ = vtype([inst, inst])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0].__class__ == inst.__class__

assert value[1].__class__ == inst.__class__

vtype = Array[ISayHello1]

input_ = vtype([inst, inst])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0].__class__ == inst.__class__

assert value[1].__class__ == inst.__class__

def test_explicit_overload_selection_failure():

"""Check that overload selection fails correctly."""

with pytest.raises(TypeError):

_ = MethodTest.Overloaded.__overloads__[System.Type](True)

with pytest.raises(TypeError):

_ = MethodTest.Overloaded.__overloads__[int, int](1, 1)

with pytest.raises(TypeError):

_ = MethodTest.Overloaded.__overloads__[str, int, int]("", 1, 1)

with pytest.raises(TypeError):

_ = MethodTest.Overloaded.__overloads__[int, long](1)

def test_we_can_bind_to_encoding_get_string():

"""Check that we can bind to the Encoding.GetString method

with variables."""

from System.Text import Encoding

from System.IO import MemoryStream

my_bytes = Encoding.UTF8.GetBytes('Some testing string')

stream = MemoryStream()

stream.Write(my_bytes, 0, my_bytes.Length)

stream.Position = 0

buff = System.Array.CreateInstance(System.Byte, 3)

buff.Initialize()

data = []

read = 1

while read > 0:

read, _ = stream.Read(buff, 0, buff.Length)

temp = Encoding.UTF8.GetString(buff, 0, read)

data.append(temp)

data = ''.join(data)

assert data == 'Some testing string'

def test_wrong_overload():

"""Test regression in which implicit conversion caused the wrong types

to be used. See #131 for issue. Fixed by #137, #151"""

# Used to return `50L`

res = System.Math.Abs(50.5)

assert res == 50.5

assert type(res) == float

res = System.Math.Abs(-50.5)

assert res == 50.5

assert type(res) == float

res = System.Math.Max(50.5, 50.1)

assert res == 50.5

assert type(res) == float

res = System.Math.Max(System.Double(10.5), System.Double(50.5))

assert res == 50.5

assert type(res) == float # Should it return a System.Double?

res = System.Math.Max(System.Double(50.5), 50.1)

assert res == 50.5

assert type(res) == float

def test_no_object_in_param():

"""Test that fix for #203 doesn't break behavior w/ no object overload"""

res = MethodTest.TestOverloadedNoObject(5)

assert res == "Got int"

res = MethodTest.TestOverloadedNoObject(i=7)

assert res == "Got int"

with pytest.raises(TypeError):

MethodTest.TestOverloadedNoObject("test")

def test_object_in_param():

"""Test regression introduced by #151 in which Object method overloads

aren't being used. See #203 for issue."""

res = MethodTest.TestOverloadedObject(5)

assert res == "Got int"

res = MethodTest.TestOverloadedObject(i=7)

assert res == "Got int"

res = MethodTest.TestOverloadedObject("test")

assert res == "Got object"

res = MethodTest.TestOverloadedObject(o="test")

assert res == "Got object"

def test_object_in_multiparam():

"""Test method with object multiparams behaves"""

res = MethodTest.TestOverloadedObjectTwo(5, 5)

assert res == "Got int-int"

res = MethodTest.TestOverloadedObjectTwo(5, "foo")

assert res == "Got int-string"

res = MethodTest.TestOverloadedObjectTwo("foo", 7.24)

assert res == "Got string-object"

res = MethodTest.TestOverloadedObjectTwo("foo", "bar")

assert res == "Got string-string"

res = MethodTest.TestOverloadedObjectTwo("foo", 5)

assert res == "Got string-int"

res = MethodTest.TestOverloadedObjectTwo(7.24, 7.24)

assert res == "Got object-object"

res = MethodTest.TestOverloadedObjectTwo(a=5, b=5)

assert res == "Got int-int"

res = MethodTest.TestOverloadedObjectTwo(5, b=5)

assert res == "Got int-int"

res = MethodTest.TestOverloadedObjectTwo(a=5, b="foo")

assert res == "Got int-string"

res = MethodTest.TestOverloadedObjectTwo(5, b="foo")

assert res == "Got int-string"

res = MethodTest.TestOverloadedObjectTwo(a="foo", b=7.24)

assert res == "Got string-object"

res = MethodTest.TestOverloadedObjectTwo("foo", b=7.24)

assert res == "Got string-object"

res = MethodTest.TestOverloadedObjectTwo(a="foo", b="bar")

assert res == "Got string-string"

res = MethodTest.TestOverloadedObjectTwo("foo", b="bar")

assert res == "Got string-string"

res = MethodTest.TestOverloadedObjectTwo(a="foo", b=5)

assert res == "Got string-int"

res = MethodTest.TestOverloadedObjectTwo("foo", b=5)

assert res == "Got string-int"

res = MethodTest.TestOverloadedObjectTwo(a=7.24, b=7.24)

assert res == "Got object-object"

res = MethodTest.TestOverloadedObjectTwo(7.24, b=7.24)

assert res == "Got object-object"

def test_object_in_multiparam_exception():

"""Test method with object multiparams behaves"""

with pytest.raises(TypeError):

MethodTest.TestOverloadedObjectThree("foo", "bar")

def test_case_sensitive():

"""Test that case-sensitivity is respected. GH#81"""

res = MethodTest.CaseSensitive()

assert res == "CaseSensitive"

res = MethodTest.Casesensitive()

assert res == "Casesensitive"

with pytest.raises(AttributeError):

MethodTest.casesensitive()

def test_getting_generic_method_binding_does_not_leak_ref_count():

"""Test that managed object is freed after calling generic method. Issue #691"""

from PlainOldNamespace import PlainOldClass

import sys

refCount = sys.getrefcount(PlainOldClass().GenericMethod[str])

assert refCount == 1

def test_getting_generic_method_binding_does_not_leak_memory():

"""Test that managed object is freed after calling generic method. Issue #691"""

from PlainOldNamespace import PlainOldClass

import psutil, os, gc, clr

process = psutil.Process(os.getpid())

processBytesBeforeCall = process.memory_info().rss

print("\n\nMemory consumption (bytes) at start of test: " + str(processBytesBeforeCall))

iterations = 500

for i in range(iterations):

PlainOldClass().GenericMethod[str]

gc.collect()

clr.System.GC.Collect()

processBytesAfterCall = process.memory_info().rss

print("Memory consumption (bytes) at end of test: " + str(processBytesAfterCall))

processBytesDelta = processBytesAfterCall - processBytesBeforeCall

print("Memory delta: " + str(processBytesDelta))

bytesAllocatedPerIteration = pow(2, 20) # 1MB

bytesLeakedPerIteration = processBytesDelta / iterations

# Allow 50% threshold - this shows the original issue is fixed, which leaks the full allocated bytes per iteration

failThresholdBytesLeakedPerIteration = bytesAllocatedPerIteration / 2

assert bytesLeakedPerIteration < failThresholdBytesLeakedPerIteration

def test_getting_overloaded_method_binding_does_not_leak_ref_count():

"""Test that managed object is freed after calling overloaded method. Issue #691"""

from PlainOldNamespace import PlainOldClass

import sys

refCount = sys.getrefcount(PlainOldClass().OverloadedMethod.Overloads[int])

assert refCount == 1

def test_getting_overloaded_method_binding_does_not_leak_memory():

"""Test that managed object is freed after calling overloaded method. Issue #691"""

from PlainOldNamespace import PlainOldClass

import psutil, os, gc, clr

process = psutil.Process(os.getpid())

processBytesBeforeCall = process.memory_info().rss

print("\n\nMemory consumption (bytes) at start of test: " + str(processBytesBeforeCall))

iterations = 500

for i in range(iterations):

PlainOldClass().OverloadedMethod.Overloads[int]

gc.collect()

clr.System.GC.Collect()

processBytesAfterCall = process.memory_info().rss

print("Memory consumption (bytes) at end of test: " + str(processBytesAfterCall))

processBytesDelta = processBytesAfterCall - processBytesBeforeCall

print("Memory delta: " + str(processBytesDelta))

bytesAllocatedPerIteration = pow(2, 20) # 1MB

bytesLeakedPerIteration = processBytesDelta / iterations

# Allow 50% threshold - this shows the original issue is fixed, which leaks the full allocated bytes per iteration

failThresholdBytesLeakedPerIteration = bytesAllocatedPerIteration / 2

assert bytesLeakedPerIteration < failThresholdBytesLeakedPerIteration

def test_getting_method_overloads_binding_does_not_leak_ref_count():

"""Test that managed object is freed after calling overloaded method. Issue #691"""

from PlainOldNamespace import PlainOldClass

import sys

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pythonnet/src/tests/test_method.py at v2.5.1 · pythonnet/pythonnet · GitHub

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