python之单元测试_生成测试报告

（1）HTMLTestRunner.py的下载路径:https://pan.baidu.com/s/1Yk2E8d8bIo5_rmpussOE9Q 提取码：0jae 

（2）HTMLTestRunner.py的存放到python安装的路径的lib文件夹下面，如下图所示：

(3)以加减乘除的计算为例,创建三个类：(1)mathMethod.py(2)testMathMethod.py（3）testSuit.py

(1)mathMethod.py

class MathMethod:

    def __init__(self, a, b):
        self.a = a
        self.b = b

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

    def sub(self):
        return self.a-self.b

    def chengfa(self):
        return self.a*self.b

    def div(self):
        return self.a/self.b

(2)testMathMethod.py

import unittest
from 单元测试.mathMethod import MathMethod

# 对mathmethod进行单元测试
# TestCase
# 下面都是测试用例
class TestMathMethod(unittest.TestCase):
    def setUp(self):
        print("开始测试啦！")

    def test_add(self):
        try:
            t = MathMethod(5, 4).add()
            self.assertEqual(t, 9, "出错啦")
            print(t)
        except AssertionError as e:
            print("单元测试出错啦，错误是%s")
            raise e

    def test_sub(self):
        try:
            t = MathMethod(9, 6).sub()
            self.assertEqual(t, 3, "出错啦")
            print(t)
        except AssertionError as e:
            print("单元测试出错啦，错误是%s")
            raise e

    def test_chengfa(self):

        try:
            t = MathMethod(5, 5).chengfa()
            self.assertEqual(t, 25, "出错啦")
            print(t)
        except AssertionError as e:
            print("单元测试出错啦，错误是%s")
            raise e

    def test_div(self):
        try:
            t = MathMethod(25, 5).div()
            self.assertEqual(t, 5, "出错啦")
            print(t)
        except AssertionError as e:
            print("单元测试出错啦，错误是%s")
            raise e

    def tearDown(self):
        print("测试结束了！")

(3)testSuit.py

import unittest
import time
from 单元测试.testMathMethod import TestMathMethod
import HTMLTestRunner

# 作用把所有测试用例集合起来，放在一个测试集里面。
suite = unittest.TestSuite()
suite.addTest(TestMathMethod("test_add"))
suite.addTest(TestMathMethod("test_sub"))
suite.addTest(TestMathMethod("test_chengfa"))
suite.addTest(TestMathMethod("test_div"))
now = time.strftime('%Y-%m-%d_%H_%M_%S')
# 执行测试集
filePath = "pyResult" + now + ".html"
fp = open(filePath, 'wb')
# 生成报告的title,描述
runner = HTMLTestRunner.HTMLTestRunner(stream=fp, title="2019-1-6 test report",
                                       verbosity=2)  # 执行测试用例出结果
runner.run(suite)
fp.close()

(4)运行testSuit生成测试报告:

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