Chapter11_UnitTest.py

'''测试函数'''
def get_formatted_name(first, last):
    """Generate a neatly formatted full name."""
    full_name = first + ' ' + last
    return full_name

# 可通过的测试
# import unittest
#
# class NameTestCase(unittest.TestCase):
#     """测试name_function.py"""
#     def test_first_last_name(self):
#         """能够正确处理像Janis Joplin这样的名字么"""
#         formatted_name = get_formatted_name('janis', 'joplin')
#         self.assertEqual(formatted_name, 'Janis Joplin')
#
# unittest.main()

'''测试类'''
class AnonymousSurvey():
    """收集匿名调查问卷的答案"""

    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):
        """显示收集到的所有答案"""
        print("Survey results:")
        for response in self.responses:
            print('- ' + response)

#定义一个问题，并创建一个表示调查的AnonymousSurvey对象
question = "What language did you first learn to speak?"
my_survey = AnonymousSurvey(question)

#显示问题并存储答案
my_survey.show_question()
print("Enter 'q' at any time to quit.\n")

while True:
    response = input(question)
    if response == 'q':
        break
    my_survey.store_response(response)

#显示调查结果
print("\nThank you to everyone who participated in the survey!")
my_survey.show_results()


# 测试AnonymousSurvey类
import unittest

class TestAnonymousSurvey(unittest.TestCase):
    """针对AnonymousSurvey类的测试"""

    def setUp(self):
        """创建一个调查对象和一组答案，供使用的测试方法使用"""
        question = "What language did you first learn to speak?"
        self.my_survey = AnonymousSurvey(question)
        self.responses = ['English', 'Chinese', 'Spanish']


    def test_store_single_response(self):
        """测试单个答案会被妥善的存储"""
        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_responses(self):
        """测试三个答案会被妥善的存储"""
        question = "What language did you first learn to speak?"
        my_survey = AnonymousSurvey(question)
        responses = ['English', 'Chinese', 'Spanish']
        for response in responses:
            my_survey.store_response(response)

        for response in responses:
            self.assertIn(response, my_survey.responses)


unittest.main()

# 方法setUp()