Method test_nested_chain_group_lone

t/integration/test_canvas.py:536–544

Test that a lone group in a chain completes.

(self, manager)

    @pytest.mark.xfail(raises=TimeoutError, reason="Task is timeout")
    def test_nested_chain_group_lone(self, manager):  # Fails with Redis 5.x
        """
        Test that a lone group in a chain completes.
        """
        sig = chain(
            group(identity.s(42), identity.s(42)),  # [42, 42]
        )
        res = sig.delay()
        assert res.get(timeout=TIMEOUT / 10) == [42, 42]

    def test_nested_chain_group_mid(self, manager):
        """