单元测试===单元测试用例基础！

#coding:utf-8import unittest

def div(a,b):    return a/b    #1 / 2 = 1

class MyfristTestCase(unittest.TestCase):    def setUp(self):        print("run!")    def tearDown(self):        print("over!")    def test_sample(self):        print("test_sample")

if __name__ == ‘__main__‘:    unittest.main()

setUp的作用：在每个测试用例执行之前预置场景。比如，打开浏览器，截图，等等

tearDown的作用：在每个测试用例之后执行。比如：关闭浏览器，截图，记录等等

#coding:utf-8
import unittest

def div(a,b):
    return a/b
    #1 / 2 = 1

class MyfristTestCase(unittest.TestCase):
    def setUp(self):
        print("run!")
    def tearDown(self):
        print("over!")
    def test_sample(self):
        print("test_sample")
    def test_1_div_1(self):
        self.assertEqual(div(1,1),1/1)
    def test_3_div_4(self):
        self.assertEqual(div(3,4),3/4)
    def test_3_div_0(self):
        print("3/0")
        #assertRaises断言的方法，抛出异常的处理
        self.assertRaises(ZeroDivisionError,div,3,0)

if __name__ == ‘__main__‘:
    unittest.main()