Function check

tests/python/runtime/test_runtime_rpc.py:170–187

(remote, local_session)

@pytest.mark.skipif(not env.has_rpc(), reason="need rpc")
def test_rpc_echo():
    def check(remote, local_session):
        fecho = remote.get_function("testing.echo")
        assert fecho(1, 2, 3) == 1
        assert fecho(100, 2, 3) == 100
        assert fecho("xyz") == "xyz"
        assert bytes(fecho(bytearray(b"123"))) == b"123"

        with pytest.raises(RuntimeError):
            raise_err = remote.get_function("testing.test_raise_error")
            raise_err("RuntimeError", "msg")

        remote.cpu().sync()
        # tests around system lib are not threadsafe by design
        # and do not work well with multithread pytest
        # skip local session as they are being tested elsewhere
        if not local_session:
            with pytest.raises(AttributeError):
                f3 = remote.system_lib()["notexist"]

    temp = rpc.server._server_env([])
    server = rpc.Server()