Method test_origin_tracking

Lib/test/test_coroutines.py:2367–2411

(self)

    @unittest.expectedFailure  # TODO: RUSTPYTHON; AssertionError: None != (('/home/fanninpm/Documents/GitHub/RustPy[74 chars]g'),)
    def test_origin_tracking(self):
        orig_depth = sys.get_coroutine_origin_tracking_depth()
        try:
            async def corofn():
                pass

            sys.set_coroutine_origin_tracking_depth(0)
            self.assertEqual(sys.get_coroutine_origin_tracking_depth(), 0)

            with contextlib.closing(corofn()) as coro:
                self.assertIsNone(coro.cr_origin)

            sys.set_coroutine_origin_tracking_depth(1)
            self.assertEqual(sys.get_coroutine_origin_tracking_depth(), 1)

            fname, lineno = self.here()
            with contextlib.closing(corofn()) as coro:
                self.assertEqual(coro.cr_origin,
                                 ((fname, lineno + 1, "test_origin_tracking"),))

            sys.set_coroutine_origin_tracking_depth(2)
            self.assertEqual(sys.get_coroutine_origin_tracking_depth(), 2)

            def nested():
                return (self.here(), corofn())
            fname, lineno = self.here()
            ((nested_fname, nested_lineno), coro) = nested()
            with contextlib.closing(coro):
                self.assertEqual(coro.cr_origin,
                                 ((nested_fname, nested_lineno, "nested"),
                                  (fname, lineno + 1, "test_origin_tracking")))

            # Check we handle running out of frames correctly
            sys.set_coroutine_origin_tracking_depth(1000)
            with contextlib.closing(corofn()) as coro:
                self.assertTrue(2 < len(coro.cr_origin) < 1000)

            # We can't set depth negative
            with self.assertRaises(ValueError):
                sys.set_coroutine_origin_tracking_depth(-1)
            # And trying leaves it unchanged
            self.assertEqual(sys.get_coroutine_origin_tracking_depth(), 1000)

        finally:
            sys.set_coroutine_origin_tracking_depth(orig_depth)

    @unittest.expectedFailure  # TODO: RUSTPYTHON; AssertionError: RuntimeWarning not triggered
    def test_origin_tracking_warning(self):