def test_method_introduction(self):
compose(mocks.MethodIntroduction(), mocks.Base)
self.assertEquals(8, mocks.Base.base_prop)
self.assertTrue(mocks.Base().method())
def test_method_refinement(self):
compose(mocks.MethodRefinement2(), mocks.Base)
self.assertEquals('Hellorefined', mocks.Base().base_method('Hello'))
def test_method_refinement(self):
instance = mocks.Base()
composition = compose(mocks.MethodRefinement(), instance)
self.assertEquals('Hellorefined', composition.base_method('Hello'))
def test_method_introduction(self):
instance = mocks.Base()
composition = compose(mocks.MethodIntroduction(), instance)
self.assertEquals(8, composition.base_prop)
self.assertTrue(composition.method())
def test_existing_member_introduction(self):
instance = mocks.Base()
self.assertRaises(Exception, compose,
mocks.ExistingMemberIntroduction(), instance)
def test_member_introduction(self):
instance = mocks.Base()
composition = compose(mocks.MemberIntroduction(), instance)
self.assertEquals(8, composition.base_prop)
self.assertEquals(1, composition.a)
def test_idendity(self):
instance = mocks.Base()
composition = compose(mocks.MemberIntroduction(), instance)
self.assertEquals(instance, composition)