鼻子框架命令行正则表达式模式匹配不起作用(-e，-m，-i)

问题描述

python nosetest 框架有一些命令行选项来包含、排除和匹配正则表达式，用于分别包含/排除和匹配的测试.

The python nosetest framework has some command line options to include, exclude and match regex for tests which can be included/excluded and matched respectively.

但是它们似乎无法正常工作.

However they don't seem to be working correctly.

[kiran@my_redhat test]$ nosetests -w cases/ -s -v  -m='_size'
----------------------------------------------------------------------
Ran 0 tests in 0.001s
OK
[kiran@my_redhat test]$ grep '_size' cases/test_case_4.py
    def test_fn_size_sha(self):

鼻子框架的正则表达式匹配语义有什么问题吗?

is there some thing wrong with regex matching semantics of nose framework?

推荐答案

Nosetests' -m 参数用于匹配目录、文件名、类和函数.(查看这个参数的nose docs解释)你的情况，您的测试文件的文件名(test_case_4.py)与-m匹配表达式(_size)不匹配，所以永远不会打开.

Nosetests' -m argument is used to match directories, filenames, classes, and functions. (See the nose docs explanation of this parameter) In your case, the filename of your test file (test_case_4.py) does not match the -m match expression (_size), so is never opened.

你可能会注意到，如果你强制鼻子打开你的测试文件，它将只运行指定的测试:

You may notice that if you force nose to open your test file, it will run only the specified test:

nosetests -sv -m='_size' cases/test_case_4.py

一般来说，当我想匹配特定测试或测试子集时，我会使用 --attrib plugin，在默认的nose安装中可用.您可能还想尝试排除匹配某些模式的测试.

In general, when I want to match specific tests or subsets of tests I use the --attrib plugin, which is available in the default nose install. You may also want to try excluding tests that match some pattern.

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