It may have just been the people who could physically make it to LA, IPC.
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).，这一点在Line官方版本下载中也有详细论述
，这一点在heLLoword翻译官方下载中也有详细论述
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Екатерина Щербакова (ночной линейный редактор)。体育直播对此有专业解读
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