斷言

測試函數(shù)

defget_formatted_name(first,last):"""generate a neatly formattef full name"""full_name= first + ' '+lastreturn full_name.title()

測試類

importunittestclassNamesTestCase(unittest.TestCase):deftest_first_last_name(self):

formatted_name= get_formatted_name('janis','joplin')

self.assertEqual(formatted_name,'Janis Joplin')

unittest.main()

運行結果

Ran 1 test in 0.000s

OK

第2個例子 改進后的 2個測試函數(shù)

def get_formatted_name(first,last,middle=''):"""generate a neatly formattef full name"""

ifmiddle:

full_name= first +' '+ middle+' '+lastelse:

full_name= first +' '+lastreturnfull_name.title()importunittestclassNamesTestCase(unittest.TestCase):deftest_first_last_name(self):

formatted_name= get_formatted_name('janis','joplin')

self.assertEqual(formatted_name,'Janis Joplin')deftest_first_last_middle_name(self):

formatted_name= get_formatted_name('wolfgang', 'mozart', 'amadeus')

self.assertEqual(formatted_name,'Wolfgang Amadeus Mozart')

unittest.main()

Ran 2 tests in 0.001s

OK

2 下面來看測試類

1)各種斷言方法

assertEqual(a,b) a和b相等

assertNotEqual(a,b) a和b不相當

assertTrue(x) X為真

assertFalse(x) X為假

assertIn(item,list) item在list中

assertNotIn(item,list) item不在list中

3)類的測試

classAnonmousSurvery():def __init__(self,question):

self.question=question

self.responses=[]defshow_question(self):print(self.question)defstore_question(self, new_response):

self.responses.append(new_response)defshow_results(self):print("Survey result:")for response inself.responses:print('-'+response)

question= "what lanaguage did you first learn to speak?"my_survey=AnonmousSurvery(question)

my_survey.show_question()print("Enter q at any time to quit")whileTrue:

response= input("Lanaguage:")if response == 'q':breakmy_survey.store_question(response)print("\n thank you to everyone who participated in the survey")

my_survey.show_results()

importunittestfrom survery importAnonmousSurveryclassTestAnnoymousSurvey(unittest.TestCase):deftest_store_single_response(self):

question= "What language did you first learn to speak?"my_survey=AnonmousSurvery(question)

my_survey.store_question('English')

self.assertIn('English', my_survey.responses)

unittest.main()

類的測試，創(chuàng)建類的實例，并測試類中的方法

3)setUp方法的使用

importunittestfrom survery importAnonmousSurveryclassTestAnnoymousSurvey(unittest.TestCase):defsetUp(self):

question= "What language did you first learn to speak?"self.my_survey=AnonmousSurvery(question)

self.responses= ['English', 'Spanish', 'Mandarin']deftest_store_single_response(self):

question= "What language did you first learn to speak?"my_survey=AnonmousSurvery(question)

my_survey.store_question('English')

self.assertIn('English', my_survey.responses)deftest_store_thress_responses(self):for response inself.responses:

self.my_survey.store_question(response)for response inself.responses:

self.assertIn(response, self.my_survey.responses)

unittest.main()

總結

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