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fixtures: --fixtures-per-test crashes on fixture-using doctest #15051
Description
Running --fixtures-per-test on pytest's own test suite crashes with:
---------------------------------------------------------------------------------------- fixtures used by test_doctest.txt -----------------------------------------------------------------------------------------
INTERNALERROR> Traceback (most recent call last):
INTERNALERROR> File "/home/ran/src/pytest/src/_pytest/main.py", line 333, in wrap_session
INTERNALERROR> session.exitstatus = doit(config, session) or 0
INTERNALERROR> ~~~~^^^^^^^^^^^^^^^^^
INTERNALERROR> File "/home/ran/src/pytest/src/_pytest/fixtures.py", line 2497, in _show_fixtures_per_test
INTERNALERROR> write_item(session_item)
INTERNALERROR> ~~~~~~~~~~^^^^^^^^^^^^^^
INTERNALERROR> File "/home/ran/src/pytest/src/_pytest/fixtures.py", line 2491, in write_item
INTERNALERROR> tw.sep("-", f"({get_best_relpath(item.function)})") # type: ignore[attr-defined]
INTERNALERROR> ^^^^^^^^^^^^^
INTERNALERROR> AttributeError: 'DoctestItem' object has no attribute 'function'Doctests can use fixtures, but they don't have item.function, as the type ignore on the line correctly indicates.
Activity
fixtures: fix lineno off-by-one in --fixtures/--fixtures-per-test and…
kilisamemarisaaa commentedon Sep 19, 2026
I independently reproduced this on Windows before the competing fix, using pytest main
6a0de9be56365e75ff30d75cee9654739ca95f97, Python 3.12.6, and the following minimal fixture-using doctest:python -m pytest --doctest-glob="*.txt" -q test_doctest.txtpassed (1 passed). The same run with--fixtures-per-testraisedAttributeError: 'DoctestItem' object has no attribute 'function'in_show_fixtures_per_testand incorrectly exited 0. This confirms the report on Windows as well as Linux. I did not create a duplicate fix because #15055 already addresses the issue.