問題：
If you're writing a library, or an app, where do the unit test files go? 如果您正在編寫庫或應用程序，則單元測試文件會放在哪裏？
It's nice to separate the test files from the main app code, but it's awkward to put them into a "tests" subdirectory inside of the app root directory, because it makes it harder to import the modules that you'll be testing. 將測試文件與主應用程序代碼分開是很好的選擇，但是將它們放在應用程序根目錄內的“ tests”子目錄中是很尷尬的，因爲這樣會使導入要測試的模塊更加困難。
Is there a best practice here? 這裏有最佳實踐嗎？
解決方案：
參考一： https://stackoom.com/question/FuJ參考二： Where do the Python unit tests go?