python 单元测试

import unittest

class Method:

def add(self, a, b):
    return a+b

def mul(self, a, b):
    return a*b

class Test(unittest.TestCase):

a=Method()


def test_add(self):
    self.assertEqual(3, self.a.add(1,2))

def test_mul(self):
    self.assertEqual(3, self.a.mul(1,2))

unittest.main()