121 lines
5.9 KiB
Erlang
121 lines
5.9 KiB
Erlang
%%--------------------------------------------------------------------
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%% Copyright (c) 2020-2021 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_sn_registry_SUITE).
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-compile(export_all).
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-compile(nowarn_export_all).
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-include_lib("eunit/include/eunit.hrl").
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-define(REGISTRY, emqx_sn_registry).
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-define(MAX_PREDEF_ID, 2).
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-define(PREDEF_TOPICS, [{1, <<"/predefined/topic/name/hello">>},
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{2, <<"/predefined/topic/name/nice">>}]).
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%%--------------------------------------------------------------------
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%% Setups
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%%--------------------------------------------------------------------
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all() ->
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emqx_ct:all(?MODULE).
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init_per_suite(Config) ->
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_ = application:set_env(emqx_sn, predefined, ?PREDEF_TOPICS),
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Config.
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end_per_suite(_Config) ->
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ok.
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init_per_testcase(_TestCase, Config) ->
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ekka_mnesia:start(),
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emqx_sn_registry:create_table(),
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mnesia:clear_table(emqx_sn_registry),
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PredefTopics = application:get_env(emqx_sn, predefined, []),
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{ok, _Pid} = ?REGISTRY:start_link(PredefTopics),
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Config.
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end_per_testcase(_TestCase, Config) ->
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?REGISTRY:stop(),
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Config.
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%%--------------------------------------------------------------------
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%% Test cases
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%%--------------------------------------------------------------------
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t_register(_Config) ->
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?assertEqual(?MAX_PREDEF_ID+1, ?REGISTRY:register_topic(<<"ClientId">>, <<"Topic1">>)),
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?assertEqual(?MAX_PREDEF_ID+2, ?REGISTRY:register_topic(<<"ClientId">>, <<"Topic2">>)),
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?assertEqual(<<"Topic1">>, ?REGISTRY:lookup_topic(<<"ClientId">>, ?MAX_PREDEF_ID+1)),
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?assertEqual(<<"Topic2">>, ?REGISTRY:lookup_topic(<<"ClientId">>, ?MAX_PREDEF_ID+2)),
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?assertEqual(?MAX_PREDEF_ID+1, ?REGISTRY:lookup_topic_id(<<"ClientId">>, <<"Topic1">>)),
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?assertEqual(?MAX_PREDEF_ID+2, ?REGISTRY:lookup_topic_id(<<"ClientId">>, <<"Topic2">>)),
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emqx_sn_registry:unregister_topic(<<"ClientId">>),
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?assertEqual(undefined, ?REGISTRY:lookup_topic(<<"ClientId">>, ?MAX_PREDEF_ID+1)),
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?assertEqual(undefined, ?REGISTRY:lookup_topic(<<"ClientId">>, ?MAX_PREDEF_ID+2)),
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?assertEqual(undefined, ?REGISTRY:lookup_topic_id(<<"ClientId">>, <<"Topic1">>)),
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?assertEqual(undefined, ?REGISTRY:lookup_topic_id(<<"ClientId">>, <<"Topic2">>)).
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t_register_case2(_Config) ->
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?assertEqual(?MAX_PREDEF_ID+1, ?REGISTRY:register_topic(<<"ClientId">>, <<"Topic1">>)),
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?assertEqual(?MAX_PREDEF_ID+2, ?REGISTRY:register_topic(<<"ClientId">>, <<"Topic2">>)),
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?assertEqual(?MAX_PREDEF_ID+1, ?REGISTRY:register_topic(<<"ClientId">>, <<"Topic1">>)),
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?assertEqual(<<"Topic1">>, ?REGISTRY:lookup_topic(<<"ClientId">>, ?MAX_PREDEF_ID+1)),
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?assertEqual(<<"Topic2">>, ?REGISTRY:lookup_topic(<<"ClientId">>, ?MAX_PREDEF_ID+2)),
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?assertEqual(?MAX_PREDEF_ID+1, ?REGISTRY:lookup_topic_id(<<"ClientId">>, <<"Topic1">>)),
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?assertEqual(?MAX_PREDEF_ID+2, ?REGISTRY:lookup_topic_id(<<"ClientId">>, <<"Topic2">>)),
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?assertEqual(undefined, ?REGISTRY:lookup_topic_id(<<"ClientId">>, <<"Topic3">>)),
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?REGISTRY:unregister_topic(<<"ClientId">>),
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?assertEqual(undefined, ?REGISTRY:lookup_topic(<<"ClientId">>, ?MAX_PREDEF_ID+1)),
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?assertEqual(undefined, ?REGISTRY:lookup_topic(<<"ClientId">>, ?MAX_PREDEF_ID+2)),
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?assertEqual(undefined, ?REGISTRY:lookup_topic_id(<<"ClientId">>, <<"Topic1">>)),
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?assertEqual(undefined, ?REGISTRY:lookup_topic_id(<<"ClientId">>, <<"Topic2">>)).
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t_reach_maximum(_Config) ->
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register_a_lot(?MAX_PREDEF_ID+1, 16#ffff),
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?assertEqual({error, too_large}, ?REGISTRY:register_topic(<<"ClientId">>, <<"TopicABC">>)),
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Topic1 = iolist_to_binary(io_lib:format("Topic~p", [?MAX_PREDEF_ID+1])),
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Topic2 = iolist_to_binary(io_lib:format("Topic~p", [?MAX_PREDEF_ID+2])),
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?assertEqual(?MAX_PREDEF_ID+1, ?REGISTRY:lookup_topic_id(<<"ClientId">>, Topic1)),
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?assertEqual(?MAX_PREDEF_ID+2, ?REGISTRY:lookup_topic_id(<<"ClientId">>, Topic2)),
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?REGISTRY:unregister_topic(<<"ClientId">>),
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?assertEqual(undefined, ?REGISTRY:lookup_topic(<<"ClientId">>, ?MAX_PREDEF_ID+1)),
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?assertEqual(undefined, ?REGISTRY:lookup_topic(<<"ClientId">>, ?MAX_PREDEF_ID+2)),
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?assertEqual(undefined, ?REGISTRY:lookup_topic_id(<<"ClientId">>, Topic1)),
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?assertEqual(undefined, ?REGISTRY:lookup_topic_id(<<"ClientId">>, Topic2)).
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t_register_case4(_Config) ->
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?assertEqual(?MAX_PREDEF_ID+1, ?REGISTRY:register_topic(<<"ClientId">>, <<"TopicA">>)),
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?assertEqual(?MAX_PREDEF_ID+2, ?REGISTRY:register_topic(<<"ClientId">>, <<"TopicB">>)),
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?assertEqual(?MAX_PREDEF_ID+3, ?REGISTRY:register_topic(<<"ClientId">>, <<"TopicC">>)),
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?REGISTRY:unregister_topic(<<"ClientId">>),
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?assertEqual(?MAX_PREDEF_ID+1, ?REGISTRY:register_topic(<<"ClientId">>, <<"TopicD">>)).
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t_deny_wildcard_topic(_Config) ->
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?assertEqual({error, wildcard_topic}, ?REGISTRY:register_topic(<<"ClientId">>, <<"/TopicA/#">>)),
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?assertEqual({error, wildcard_topic}, ?REGISTRY:register_topic(<<"ClientId">>, <<"/+/TopicB">>)).
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%%--------------------------------------------------------------------
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%% Helper funcs
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%%--------------------------------------------------------------------
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register_a_lot(Max, Max) ->
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ok;
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register_a_lot(N, Max) when N < Max ->
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Topic = iolist_to_binary(["Topic", integer_to_list(N)]),
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?assertEqual(N, ?REGISTRY:register_topic(<<"ClientId">>, Topic)),
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register_a_lot(N+1, Max).
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