Python - doctest vs. unittest [英] Python - doctest vs. unittest

问题描述

我想开始在Python中进行单元测试，我想知道是否有人可以解释doctest和unittest的优点和缺点。

I'm trying to get started with unit testing in Python and I was wondering if someone could explain the advantages and disadvantages of doctest and unittest.

您将使用哪些条件？

推荐答案

有价值。我同时使用doctest和鼻子取代单元测试。我使用doctest的情况下，测试提供了一个用法作为文档实际有用的例子。一般来说，我不使这些测试全面，仅针对信息。我有效地使用doctest反向：不基于我的doctest测试我的代码是正确的，但基于代码检查我的文档是正确的。

Both are valuable. I use both doctest and nose taking the place of unittest. I use doctest for cases where the test is giving an example of usage that is actually useful as documentation. Generally I don't make these tests comprehensive, aiming solely for informative. I'm effectively using doctest in reverse: not to test my code is correct based on my doctest, but to check that my documentation is correct based on the code.

原因是我发现全面的doctests会使你的文档太多，所以你会遇到不能使用的docstrings或者不完整的测试。

The reason is that I find comprehensive doctests will clutter your documentation far too much, so you will either end up with either unusable docstrings, or incomplete testing.

实际测试代码，目标是彻底测试每一个案例，而不是说明什么是通过示例，这是一个不同的目标，我认为是更好地被其他框架满足。

For actually testing the code, the goal is to thoroughly test every case, rather than illustrate what is does by example, which is a different goal which I think is better met by other frameworks.

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