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I'm using pytest with pytest-xdist for parallel test running. It doesn't seem to honour the -s option for passing through the standard output to the terminal as the tests are run. Is there any way to make this happen? I realise this could cause the output from the different processes to be jumbled up in the terminal but I'm ok with that.
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The pytest-xdist plugin extends pytest with new test execution modes, the most used being distributing tests across multiple CPUs to speed up test execution: pytest -n auto.
By default, pytest captures the output to sys. stdout/stderr and redirects it to a temporary file.
Learn Pytest From Scratch By default, pytest runs tests in sequential order. In a real scenario, a test suite will have a number of test files and each file will have a bunch of tests. This will lead to a large execution time. To overcome this, pytest provides us with an option to run tests in parallel.
I found a workaround, although not a full solution. By redirecting stdout to stderr, the output of print statements is displayed. This can be accomplished with a single line of Python code:
sys.stdout = sys.stderr
If placed in conftest.py, it applies to all tests.
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