# -*- coding: utf-8 -*-
import unittest
import Python.Test as Test
from _compat import DictProxyType
class InterfaceTests(unittest.TestCase):
"""Test CLR interface support."""
def test_interface_standard_attrs(self):
"""Test standard class attributes."""
from Python.Test import IPublicInterface
self.assertTrue(IPublicInterface.__name__ == 'IPublicInterface')
self.assertTrue(IPublicInterface.__module__ == 'Python.Test')
self.assertTrue(isinstance(IPublicInterface.__dict__, DictProxyType))
def test_global_interface_visibility(self):
"""Test visibility of module-level interfaces."""
from Python.Test import IPublicInterface
self.assertTrue(IPublicInterface.__name__ == 'IPublicInterface')
with self.assertRaises(ImportError):
from Python.Test import IInternalInterface
_ = IInternalInterface
with self.assertRaises(AttributeError):
_ = Test.IInternalInterface
def test_nested_interface_visibility(self):
"""Test visibility of nested interfaces."""
from Python.Test import InterfaceTest
ob = InterfaceTest.IPublic
self.assertTrue(ob.__name__ == 'IPublic')
ob = InterfaceTest.IProtected
self.assertTrue(ob.__name__ == 'IProtected')
with self.assertRaises(AttributeError):
_ = InterfaceTest.IInternal
with self.assertRaises(AttributeError):
_ = InterfaceTest.IPrivate
def test_explicit_cast_to_interface(self):
"""Test explicit cast to an interface."""
from Python.Test import InterfaceTest
ob = InterfaceTest()
self.assertTrue(type(ob).__name__ == 'InterfaceTest')
self.assertTrue(hasattr(ob, 'HelloProperty'))
i1 = Test.ISayHello1(ob)
self.assertTrue(type(i1).__name__ == 'ISayHello1')
self.assertTrue(hasattr(i1, 'SayHello'))
self.assertTrue(i1.SayHello() == 'hello 1')
self.assertFalse(hasattr(i1, 'HelloProperty'))
i2 = Test.ISayHello2(ob)
self.assertTrue(type(i2).__name__ == 'ISayHello2')
self.assertTrue(i2.SayHello() == 'hello 2')
self.assertTrue(hasattr(i2, 'SayHello'))
self.assertFalse(hasattr(i2, 'HelloProperty'))
def test_suite():
return unittest.makeSuite(InterfaceTests)