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python进阶(8)--测试函数与类

一、测试函数(unittest)

1、源文件方法(name_function.py):

            
                def
                 get_formatted_name(first,last):
    
                """
                生成全名
                """
                
    full_name=f"{first} {last}"return  full_name.title()
        

2、通过unittest测试(test_name_function.py)

            
                import
                 unittest

                from name_function import get_formatted_name

class NamesTestCase( unittest.TestCase ):
    """测试name_function.py"""def test_first_last_name(self):
        """能够正确的处理Janis Joplin这样的姓名"""
        formatted_name=get_formatted_name(janis,joplin)
        self.assertEqual( formatted_name, Janis Joplin )


if__name__ == __main__:
    unittest.main()
        

查看运行结果:

            Ran 1 test in 0.003s

OK
        

 

二、测试类(unittest)

1、源文件类(survey.py)

            
                class
                 AnonymousSurvey:
    
                """
                收集匿名蒂阿查问卷的答案
                """
                def
                __init__
                (self,question):
        
                """
                存储一个问题,并为存储答案做准备
                """
                
        self.question=question
        self.responses=[]

    def show_question(self):
        """显示调查问卷"""print(self.question)

    def store_response(self,new_response):
        """存储单份调查问卷"""
        self.responses.append(new_response)

    def show_results(self):
        """显示收集到的手机答案"""print("Survey results")
        for response in self.responses:
            print(f" - {response}")
        

2、通过unittest测试(test)

            
                import
                 unittest

                from survey import AnonymousSurvey

class TestAnonymousSurvey( unittest.TestCase ):
    """针对AnonymousSurvey类的测试"""def test_store_single_response(self):
        question="What language did you first learn to speak?"
        my_survey=AnonymousSurvey(question)
        my_survey.store_response(English)
        self.assertIn( English, my_survey.responses )

    def test_store_three_response(self):
        """测试三个答案并存储正确"""
        question="What language did you first learn to speak?"
        my_survey=AnonymousSurvey(question)
        responses=[English,Spanish,Chinese]
        for response in responses:
            my_survey.store_response(response)
        for response in responses:
            self.assertIn( response, my_survey.responses )

if__name__ == __main__:
    unittest.main()
        

查看结果:

            Ran 2 tests in 0.002s

OK
        

 

三、setp()与tearDown()方法:初始化与清理程序

            
                import
                 unittest

                from survey import AnonymousSurvey


class TestAnonymousSurvey( unittest.TestCase ):
    def setUp(self):
        question = "What language did you first learn to speak?"
        self.my_survey=AnonymousSurvey(question)
        self.responses = [English, Spanish, Chinese]

    def tearDown(self):
        self.responses.clear()

    def test_store_single_response(self):
        """针对AnonymousSurvey类的测试"""
        self.my_survey.store_response( self.responses[0] )
        self.assertIn( self.responses[0], self.my_survey.responses )

    def test_store_three_response(self):
        """测试三个答案并存储正确"""for response in self.responses:
            self.my_survey.store_response( response )
        for response in self.responses:
            self.assertIn( response, self.my_survey.responses )


if__name__ == __main__:
    unittest.main()
        

查看运行结果:

            Ran 2 tests in 0.001s

OK
        

 

原文:https://www.cnblogs.com/mrwhite2020/p/14672609.html


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