"""Tests that a failed pytest properly displays the call stack. Uses the output from running pytest with pytest_plugin_failing_helper.py. Regression test for #381. """ import os import pytest @pytest.mark.skipif(not os.path.exists("testresult.txt"), reason="Only run in CI tests") def test_failed_testresult_stacktrace(): with open("testresult.txt") as f: contents = f.read() # before the fix, a triple question mark has been displayed # instead of the stacktrace assert contents print("contents", contents) assert "???" not in contents assert "AttributeError" not in contents assert "def test_fs(fs):" in contents