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Instead, you should treat Business-Modules as the units you want to test. A module has a clear, explicit API (public methods as well as required interfaces). It means that all the results and side effects can be observed via the API. So in tests you can apply stimulus to the module and assert the results/side effects - that should cover all possible paths (except for time based logic, but there are other methods to cover these cases).，详情可参考91视频
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abs_directory = os.path.abspath(directory)，推荐阅读体育直播获取更多信息
第十六条 年满十八周岁的居民，不分民族、种族、性别、职业、家庭出身、宗教信仰、教育程度、财产状况、居住期限，都有选举权和被选举权；但是，依照法律被剥夺政治权利的人除外。