Function context_aware_monkeypatch

conda/testing/fixtures.py:656–671

A monkeypatch fixture that resets context after each test.

(monkeypatch: MonkeyPatch)

@pytest.fixture(name="monkeypatch")
def context_aware_monkeypatch(monkeypatch: MonkeyPatch) -> MonkeyPatch:
    """A monkeypatch fixture that resets context after each test."""
    yield monkeypatch

    # reset context if any CONDA_ variables were set/unset
    if conda_vars := [
        name
        for obj, name, _ in monkeypatch._setitem
        if obj is os.environ and name.startswith("CONDA_")
    ]:
        log.debug(
            "monkeypatch cleanup: undo & reset context: %s", ", ".join(conda_vars)
        )
        monkeypatch.undo()
        # reload context without search paths
        reset_context([])


@pytest.fixture