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unittest的TestCase类提供的判断方法

 

方法 用法

assertEqual(a, b) 判断a==b

assertNotEqual(a, b) 判断a！=b

assertTrue(x) bool(x) is True

assertFalse(x) bool(x) is False

assertIs(a, b) a is b

assertIsNot(a, b) a is not b

assertIsNone(x) x is None

assertIsNotNone(x) x is not None

assertIn(a, b) a in b

assertNotIn(a, b) a not in b

assertIsInstance(a, b) isinstance(a, b)　　断言a是b的一个实例

assertNotIsInstance(a, b) not isinstance(a, b)　　断言a不是b的实例

检查日志、消息、警告的生成的方法：

 

方法 用途

assertRaises(exc, fun, *args, **kwds) fun(*args, **kwds) raises exc

assertRaisesRegex(exc, r, fun, *args, **kwds) fun(*args, **kwds) raises exc and the message matches regex r

assertWarns(warn, fun, *args, **kwds) fun(*args, **kwds) raises warn

assertWarnsRegex(warn, r, fun, *args, **kwds) fun(*args, **kwds) raises warn and the message matches regex r

assertLogs(logger, level) The with block logs on logger with minimum level

一些其他常用方法：

 

Method Checks that

assertAlmostEqual(a, b) round(a-b, 7) == 0

assertNotAlmostEqual(a, b) round(a-b, 7) != 0

assertGreater(a, b) a > b

assertGreaterEqual(a, b) a >= b

assertLess(a, b) a < b

assertLessEqual(a, b) a <= b

assertRegex(s, r) r.search(s)

assertNotRegex(s, r) not r.search(s)

assertCountEqual(a, b) a and b have the same elements in the same number, regardless of their order

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原文链接：https://blog.csdn.net/Litside/article/details/83588769