使用 pytest 运行 trace.py [英] Run trace.py with pytest

问题描述

我试图在运行 pytest 时使用 trace.py 获得覆盖率.我知道 pytest 有自己的覆盖插件 pytest-cov 但限制(每行执行的次数不可用)不允许我现在使用它.coverage.py

I'm trying to get coverage using trace.py when running pytest. I know that pytest has its own coverage plugin pytest-cov but restrictions (number of times each line is executed is unavailable) do not allow me to use that right now. The same for coverage.py

我正在尝试这个命令:python3.4 -m trace -c -m -C .pytest test_script.py

test_script.py:

class TestScript():
    def test_print(self):
        print ('Hello')

输出为:

nikhilh$ python3.4 -m trace -c -m -C . pytest test_script.py
pytest: Cannot run file 'pytest' because: [Errno 2] No such file or directory: 'pytest'

trace.py 显然在其参数中需要一个文件而不是另一个模块.如何修改此命令以使 trace.py 与 pytest 一起使用?

trace.py obviously expects a file in its arguments and not another module. How can I modify this command to get trace.py working with pytest?

我能够找到一种方法来完成这项工作

I was able to find a way to get this done

nikhilh$ python3.4 -m trace -c -m -C .<pytest_script_absolute_path>test_script.py

推荐答案

无意中看到 David 的评论，所以这里是我当时使用的答案:

Came across David's comment, so here's the answer that I used at that time:

python3.4 -m trace -c -m -C .<pytest_script_absolute_path>test_script.py

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