通过命令行从 unittest.TestCase 运行单个测试 [英] Running a single test from unittest.TestCase via the command line

问题描述

在我们的团队中，我们像这样定义大多数测试用例:

In our team, we define most test cases like this:

一个框架"class ourtcfw.py:

One "framework" class ourtcfw.py:

import unittest

class OurTcFw(unittest.TestCase):
    def setUp:
        # Something

    # Other stuff that we want to use everywhere

还有很多测试用例，比如 testMyCase.py:

And a lot of test cases like testMyCase.py:

import localweather

class MyCase(OurTcFw):

    def testItIsSunny(self):
        self.assertTrue(localweather.sunny)

    def testItIsHot(self):
        self.assertTrue(localweather.temperature > 20)

if __name__ == "__main__":
    unittest.main()

当我正在编写新的测试代码并希望经常运行它以节省时间时，我确实将__"放在在所有其他测试之前.但它很麻烦，会分散我对正在编写的代码的注意力，并且由此产生的提交噪音很烦人.

When I'm writing new test code and want to run it often, and save time, I do put "__" in front of all other tests. But it's cumbersome, distracts me from the code I'm writing, and the commit noise this creates is plain annoying.

因此，例如，在对 testItIsHot() 进行更改时，我希望能够这样做:

So, for example, when making changes to testItIsHot(), I want to be able to do this:

$ python testMyCase.py testItIsHot

并让 unittest 只运行 testItIsHot()

我怎样才能做到这一点?

How can I achieve that?

我尝试重写 if __name__ == "__main__": 部分，但由于我是 Python 新手，我感到迷茫，并继续抨击除方法之外的所有其他内容.

I tried to rewrite the if __name__ == "__main__": part, but since I'm new to Python, I'm feeling lost and keep bashing into everything else than the methods.

推荐答案

这按您的建议工作 - 您只需要指定类名:

This works as you suggest - you just have to specify the class name as well:

python testMyCase.py MyCase.testItIsHot

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