def test_class__deep_hierarchy(self):
chain = self._create_inheritance_chain(8)
superclasses, class_ = init(chain), last(chain)
self.assertItemsEqual(
[object] + superclasses, __unit__.iter_superclasses(class_))
def test_class__one_custom_superclass(self):
superclass, class_ = self._create_inheritance_chain(2)
self.assertItemsEqual(
[object, superclass], __unit__.iter_superclasses(class_))
def test_class__just_object_superclass(self):
class_ = self._create_class("Class0")
self.assertItemsEqual([object], __unit__.iter_superclasses(class_))
def test_class__no_superclasses(self):
self.assertEmpty(__unit__.iter_superclasses(object))
def test_some_object(self):
with self.assertRaises(TypeError):
__unit__.iter_superclasses(object())
def test_none(self):
with self.assertRaises(TypeError):
__unit__.iter_superclasses(None)