How to use setup_crashing_test method in Pytest

Best Python code snippet using pytest

test_faulthandler.py

Source:test_faulthandler.py

...13    )14    result = pytester.runpytest_subprocess()15    result.stderr.fnmatch_lines(["*Fatal Python error*"])16    assert result.ret != 017def setup_crashing_test(pytester: Pytester) -> None:18    pytester.makepyfile(19        """20        import faulthandler21        import atexit22        def test_ok():23            atexit.register(faulthandler._sigabrt)24        """25    )26def test_crash_during_shutdown_captured(pytester: Pytester) -> None:27    """28    Re-enable faulthandler if pytest encountered it enabled during configure.29    We should be able to then see crashes during interpreter shutdown.30    """31    setup_crashing_test(pytester)32    args = (sys.executable, "-Xfaulthandler", "-mpytest")33    result = pytester.run(*args)34    result.stderr.fnmatch_lines(["*Fatal Python error*"])35    assert result.ret != 036def test_crash_during_shutdown_not_captured(pytester: Pytester) -> None:37    """38    Check that pytest leaves faulthandler disabled if it was not enabled during configure.39    This prevents us from seeing crashes during interpreter shutdown (see #8260).40    """41    setup_crashing_test(pytester)42    args = (sys.executable, "-mpytest")43    result = pytester.run(*args)44    result.stderr.no_fnmatch_line("*Fatal Python error*")45    assert result.ret != 046def test_disabled(pytester: Pytester) -> None:47    """Test option to disable fault handler in the command line."""48    pytester.makepyfile(49        """50    import faulthandler51    def test_disabled():52        assert not faulthandler.is_enabled()53    """54    )55    result = pytester.runpytest_subprocess("-p", "no:faulthandler")...

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