136 lines
4.0 KiB
Python
136 lines
4.0 KiB
Python
import sys
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import pytest
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from _pytest.pytester import Pytester
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PYPY = hasattr(sys, "pypy_version_info")
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@pytest.mark.skipif(PYPY, reason="garbage-collection differences make this flaky")
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@pytest.mark.filterwarnings("default::pytest.PytestUnraisableExceptionWarning")
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def test_unraisable(pytester: Pytester) -> None:
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pytester.makepyfile(
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test_it="""
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class BrokenDel:
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def __del__(self):
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raise ValueError("del is broken")
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def test_it():
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obj = BrokenDel()
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del obj
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def test_2(): pass
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"""
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)
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result = pytester.runpytest()
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assert result.ret == 0
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assert result.parseoutcomes() == {"passed": 2, "warnings": 1}
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result.stdout.fnmatch_lines(
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[
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"*= warnings summary =*",
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"test_it.py::test_it",
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" * PytestUnraisableExceptionWarning: Exception ignored in: <function BrokenDel.__del__ at *>",
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" ",
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" Traceback (most recent call last):",
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" ValueError: del is broken",
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" ",
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" warnings.warn(pytest.PytestUnraisableExceptionWarning(msg))",
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]
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)
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@pytest.mark.skipif(PYPY, reason="garbage-collection differences make this flaky")
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@pytest.mark.filterwarnings("default::pytest.PytestUnraisableExceptionWarning")
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def test_unraisable_in_setup(pytester: Pytester) -> None:
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pytester.makepyfile(
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test_it="""
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import pytest
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class BrokenDel:
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def __del__(self):
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raise ValueError("del is broken")
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@pytest.fixture
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def broken_del():
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obj = BrokenDel()
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del obj
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def test_it(broken_del): pass
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def test_2(): pass
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"""
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)
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result = pytester.runpytest()
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assert result.ret == 0
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assert result.parseoutcomes() == {"passed": 2, "warnings": 1}
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result.stdout.fnmatch_lines(
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[
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"*= warnings summary =*",
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"test_it.py::test_it",
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" * PytestUnraisableExceptionWarning: Exception ignored in: <function BrokenDel.__del__ at *>",
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" ",
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" Traceback (most recent call last):",
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" ValueError: del is broken",
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" ",
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" warnings.warn(pytest.PytestUnraisableExceptionWarning(msg))",
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]
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)
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@pytest.mark.skipif(PYPY, reason="garbage-collection differences make this flaky")
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@pytest.mark.filterwarnings("default::pytest.PytestUnraisableExceptionWarning")
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def test_unraisable_in_teardown(pytester: Pytester) -> None:
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pytester.makepyfile(
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test_it="""
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import pytest
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class BrokenDel:
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def __del__(self):
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raise ValueError("del is broken")
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@pytest.fixture
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def broken_del():
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yield
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obj = BrokenDel()
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del obj
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def test_it(broken_del): pass
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def test_2(): pass
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"""
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)
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result = pytester.runpytest()
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assert result.ret == 0
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assert result.parseoutcomes() == {"passed": 2, "warnings": 1}
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result.stdout.fnmatch_lines(
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[
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"*= warnings summary =*",
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"test_it.py::test_it",
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" * PytestUnraisableExceptionWarning: Exception ignored in: <function BrokenDel.__del__ at *>",
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" ",
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" Traceback (most recent call last):",
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" ValueError: del is broken",
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" ",
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" warnings.warn(pytest.PytestUnraisableExceptionWarning(msg))",
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]
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)
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@pytest.mark.filterwarnings("error::pytest.PytestUnraisableExceptionWarning")
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def test_unraisable_warning_error(pytester: Pytester) -> None:
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pytester.makepyfile(
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test_it=f"""
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class BrokenDel:
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def __del__(self) -> None:
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raise ValueError("del is broken")
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def test_it() -> None:
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obj = BrokenDel()
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del obj
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{"import gc; gc.collect()" * PYPY}
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def test_2(): pass
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"""
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)
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result = pytester.runpytest()
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assert result.ret == pytest.ExitCode.TESTS_FAILED
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assert result.parseoutcomes() == {"passed": 1, "failed": 1}
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