emqx/apps/emqx_sn/test/emqx_sn_registry_SUITE.erl

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