assertEqual(a, b)	#a == b
assertNotEqual(a, b)	#a != b
assertTrue(x)	        #bool(x) is True
assertFalse(x)	        #bool(x) is False
assertIs(a, b)	        #a is b	2.7
assertIsNot(a, b)	#a is not b	2.7
assertIsNone(x)	        #x is None	2.7
assertIsNotNone(x)	#x is not None	2.7
assertIn(a, b)	        #a in b	2.7
assertNotIn(a, b)	#a not in b	2.7
assertIsInstance(a, b)	#isinstance(a, b)	2.7
assertNotIsInstance(a, b)#	not isinstance(a, b)	2.7

#Mock:
>>> from mock import MagicMock
>>> a = MagicMock()
>>> a.test.return_value = 123
>>> a.test()
123
>>> a.test.called
True