Method test_remove_added

testing/test_pytester.py:318–325

(self)

    key = "my-test-module"

    def test_remove_added(self) -> None:
        original = dict(sys.modules)
        assert self.key not in sys.modules
        snapshot = SysModulesSnapshot()
        sys.modules[self.key] = ModuleType("something")
        assert self.key in sys.modules
        snapshot.restore()
        assert sys.modules == original

    def test_add_removed(self, monkeypatch: MonkeyPatch) -> None:
        assert self.key not in sys.modules