emqx/apps/emqx_bridge_mqtt/test/emqx_bridge_mqtt_tests.erl

47 lines
1.8 KiB
Erlang

%%--------------------------------------------------------------------
%% Copyright (c) 2020 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_bridge_mqtt_tests).
-include_lib("eunit/include/eunit.hrl").
-include_lib("emqx/include/emqx_mqtt.hrl").
send_and_ack_test() ->
%% delegate from gen_rpc to rpc for unit test
meck:new(emqtt, [passthrough, no_history]),
meck:expect(emqtt, start_link, 1,
fun(_) ->
{ok, spawn_link(fun() -> ok end)}
end),
meck:expect(emqtt, connect, 1, {ok, dummy}),
meck:expect(emqtt, stop, 1,
fun(Pid) -> Pid ! stop end),
meck:expect(emqtt, publish, 2,
fun(Client, Msg) ->
Client ! {publish, Msg},
{ok, Msg} %% as packet id
end),
try
Max = 1,
Batch = lists:seq(1, Max),
{ok, Conn} = emqx_bridge_mqtt:start(#{address => "127.0.0.1:1883"}),
% %% return last packet id as batch reference
{ok, _AckRef} = emqx_bridge_mqtt:send(Conn, Batch),
ok = emqx_bridge_mqtt:stop(Conn)
after
meck:unload(emqtt)
end.