assertEqual 如果两个值相等，则pass
assertNotEqual 如果两个值不相等，则pass
assertTrue 判断bool值为True，则pass
assertFalse 判断bool值为False，则pass
assertIsNone 不存在，则pass
assertIsNotNone 存在，则pass

def fibo(x):
    if x == 0:
        resp = 0
    elif x == 1:
        resp = 1
    else:
        return fibo(x-1) + fibo(x-2)
    return resp
assert fibo(5) == 5

assertAlmostEqual(a, b) round(a-b, 7) == 0
assertNotAlmostEqual(a, b) round(a-b, 7) != 0
assertGreater(a, b) a > b 2.7
assertGreaterEqual(a, b) a >= b 2.7
assertLess(a, b) a < b 2.7
assertLessEqual(a, b) a <= b 2.7
assertRegexpMatches(s, re) regex.search(s) 2.7
assertNotRegexpMatches(s, re) not regex.search(s) 2.7
assertItemsEqual(a, b) sorted(a) == sorted(b) and works with unhashable objs 2.7
assertDictContainsSubset(a, b) all the key/value pairs in a exist in b 2.7
assertMultiLineEqual(a, b) strings 2.7
assertSequenceEqual(a, b) sequences 2.7
assertListEqual(a, b) lists 2.7
assertTupleEqual(a, b) tuples 2.7
assertSetEqual(a, b) sets or frozensets 2.7
assertDictEqual(a, b) dicts 2.7
assertMultiLineEqual(a, b) strings 2.7
assertSequenceEqual(a, b) sequences 2.7
assertListEqual(a, b) lists 2.7
assertTupleEqual(a, b) tuples 2.7
assertSetEqual(a, b) sets or frozensets 2.7
assertDictEqual(a, b) dicts 2.7