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  • 7.3、单元测试

    class Dict(dict):
    
        def __init__(self, **kw):
            super().__init__(**kw)
    
        def __getattr__(self, key):
            try:
                return self[key]
            except KeyError:
                raise AttributeError(r"'Dict' object has no attribute '%s'" % key)
    
        def __setattr__(self, key, value):
            self[key] = value
    import unittest
    
    from mydict import Dict
    
    class TestDict(unittest.TestCase):
    
        def test_init(self):
            d = Dict(a=1, b='test')
            self.assertEqual(d.a, 1)
            self.assertEqual(d.b, 'test')
            self.assertTrue(isinstance(d, dict))
    
        def test_key(self):
            d = Dict()
            d['key'] = 'value'
            self.assertEqual(d.key, 'value')
    
        def test_attr(self):
            d = Dict()
            d.key = 'value'
            self.assertTrue('key' in d)
            self.assertEqual(d['key'], 'value')
    
        def test_keyerror(self):
            d = Dict()
            with self.assertRaises(KeyError):
                value = d['empty']
    
        def test_attrerror(self):
            d = Dict()
            with self.assertRaises(AttributeError):
                value = d.empty
        def __setattr__(self,key,value):            #运行单元测试
            self[key]=value

    setUp()tearDown()方法。这两个方法会分别在每调用一个测试方法的前后分别被执行。

    setUp()方法中连接数据库,在tearDown()方法中关闭数据库,这样,不必在每个测试方法中重复相同的代码

    class TestDict(unittest.TestCase):
    
        def setUp(self):
            print('setUp...')
    
        def tearDown(self):
            print('tearDown...')
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  • 原文地址:https://www.cnblogs.com/soberkkk/p/12638929.html
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