84 lines
3.2 KiB
Erlang
84 lines
3.2 KiB
Erlang
%%--------------------------------------------------------------------
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%% Copyright (c) 2020 EMQ Technologies Co., Ltd. All Rights Reserved.
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%%
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%% Licensed under the Apache License, Version 2.0 (the "License");
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%% you may not use this file except in compliance with the License.
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%% You may obtain a copy of the License at
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%%
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%% http://www.apache.org/licenses/LICENSE-2.0
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%%
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%% Unless required by applicable law or agreed to in writing, software
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%% distributed under the License is distributed on an "AS IS" BASIS,
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%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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%% See the License for the specific language governing permissions and
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%% limitations under the License.
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%%--------------------------------------------------------------------
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-module(emqx_mod_rewrite_SUITE).
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-compile(export_all).
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-compile(nowarn_export_all).
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-include("emqx_mqtt.hrl").
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-include_lib("eunit/include/eunit.hrl").
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-define(RULES, [{rewrite,<<"x/#">>,<<"^x/y/(.+)$">>,<<"z/y/$1">>},
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{rewrite,<<"y/+/z/#">>,<<"^y/(.+)/z/(.+)$">>,<<"y/z/$2">>}
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]).
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all() -> emqx_ct:all(?MODULE).
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init_per_suite(Config) ->
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emqx_ct_helpers:boot_modules(all),
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emqx_ct_helpers:start_apps([]),
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%% Ensure all the modules unloaded.
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ok = emqx_modules:unload(),
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Config.
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end_per_suite(_Config) ->
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emqx_ct_helpers:stop_apps([]).
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%% Test case for emqx_mod_write
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t_mod_rewrite(_Config) ->
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ok = emqx_mod_rewrite:load(?RULES),
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{ok, C} = emqtt:start_link([{clientid, <<"rewrite_client">>}]),
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{ok, _} = emqtt:connect(C),
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OrigTopics = [<<"x/y/2">>, <<"x/1/2">>, <<"y/a/z/b">>, <<"y/def">>],
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DestTopics = [<<"z/y/2">>, <<"x/1/2">>, <<"y/z/b">>, <<"y/def">>],
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%% Subscribe
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{ok, _Props, _} = emqtt:subscribe(C, [{Topic, ?QOS_1} || Topic <- OrigTopics]),
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timer:sleep(100),
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Subscriptions = emqx_broker:subscriptions(<<"rewrite_client">>),
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?assertEqual(DestTopics, [Topic || {Topic, _SubOpts} <- Subscriptions]),
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%% Publish
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RecvTopics = [begin
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ok = emqtt:publish(C, Topic, <<"payload">>),
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{ok, #{topic := RecvTopic}} = receive_publish(100),
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RecvTopic
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end || Topic <- OrigTopics],
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?assertEqual(DestTopics, RecvTopics),
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%% Unsubscribe
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{ok, _, _} = emqtt:unsubscribe(C, OrigTopics),
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timer:sleep(100),
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?assertEqual([], emqx_broker:subscriptions(<<"rewrite_client">>)),
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ok = emqtt:disconnect(C),
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ok = emqx_mod_rewrite:unload(?RULES).
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t_rewrite_rule(_Config) ->
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Rules = emqx_mod_rewrite:compile(?RULES),
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?assertEqual(<<"z/y/2">>, emqx_mod_rewrite:match_and_rewrite(<<"x/y/2">>, Rules)),
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?assertEqual(<<"x/1/2">>, emqx_mod_rewrite:match_and_rewrite(<<"x/1/2">>, Rules)),
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?assertEqual(<<"y/z/b">>, emqx_mod_rewrite:match_and_rewrite(<<"y/a/z/b">>, Rules)),
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?assertEqual(<<"y/def">>, emqx_mod_rewrite:match_and_rewrite(<<"y/def">>, Rules)).
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%%--------------------------------------------------------------------
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%% Internal functions
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%%--------------------------------------------------------------------
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receive_publish(Timeout) ->
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receive
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{publish, Publish} -> {ok, Publish}
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after
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Timeout -> {error, timeout}
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end.
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