xfail pytest tests from the command line

user_161801 0
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I have a test suite where I need to mark some tests as xfail, but I cannot edit the test functions themselves to add markers. Is it possible to specify that some tests should be xfail from the command line using pytest? Or barring that, at least by adding something to pytest.ini or conftest.py?

pytest python
1 Answers

I don't know of a command line option to do this, but if you can filter out the respective tests, you may implement pytest_collection_modifyitemsand add an xfail marker to these tests:

conftest.py


names_to_be_xfailed = ("test_1", "test_3")

def pytest_collection_modifyitems(config, items):
    for item in items:
        if item.name in names_to_be_xfailed:
            item.add_marker("xfail")

or, if the name is not unique, you could also filter by item.nodeid.

user_124807300
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