# -*- coding: utf-8 -*-
"""Test CLR interface support."""
import Python.Test as Test
import pytest
from ._compat import DictProxyType
def test_interface_standard_attrs():
"""Test standard class attributes."""
from Python.Test import IPublicInterface
assert IPublicInterface.__name__ == 'IPublicInterface'
assert IPublicInterface.__module__ == 'Python.Test'
assert isinstance(IPublicInterface.__dict__, DictProxyType)
def test_global_interface_visibility():
"""Test visibility of module-level interfaces."""
from Python.Test import IPublicInterface
assert IPublicInterface.__name__ == 'IPublicInterface'
with pytest.raises(ImportError):
from Python.Test import IInternalInterface
_ = IInternalInterface
with pytest.raises(AttributeError):
_ = Test.IInternalInterface
def test_nested_interface_visibility():
"""Test visibility of nested interfaces."""
from Python.Test import InterfaceTest
ob = InterfaceTest.IPublic
assert ob.__name__ == 'IPublic'
ob = InterfaceTest.IProtected
assert ob.__name__ == 'IProtected'
with pytest.raises(AttributeError):
_ = InterfaceTest.IInternal
with pytest.raises(AttributeError):
_ = InterfaceTest.IPrivate
def test_explicit_cast_to_interface():
"""Test explicit cast to an interface."""
from Python.Test import InterfaceTest
ob = InterfaceTest()
assert type(ob).__name__ == 'InterfaceTest'
assert hasattr(ob, 'HelloProperty')
i1 = Test.ISayHello1(ob)
assert type(i1).__name__ == 'ISayHello1'
assert hasattr(i1, 'SayHello')
assert i1.SayHello() == 'hello 1'
assert not hasattr(i1, 'HelloProperty')
i2 = Test.ISayHello2(ob)
assert type(i2).__name__ == 'ISayHello2'
assert i2.SayHello() == 'hello 2'
assert hasattr(i2, 'SayHello')
assert not hasattr(i2, 'HelloProperty')