emqx4.3/apps/emqx/test/emqx_authz_cache_SUITE.erl

%%--------------------------------------------------------------------
%% Copyright (c) 2019-2023 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_authz_cache_SUITE).

-compile(export_all).
-compile(nowarn_export_all).

-include_lib("eunit/include/eunit.hrl").

all() -> emqx_common_test_helpers:all(?MODULE).

init_per_suite(Config) ->
    emqx_common_test_helpers:boot_modules(all),
    emqx_common_test_helpers:start_apps([]),
    Config.

end_per_suite(_Config) ->
    emqx_common_test_helpers:stop_apps([]).

%%--------------------------------------------------------------------
%% Test cases
%%--------------------------------------------------------------------

t_clean_authz_cache(_) ->
    {ok, Client} = emqtt:start_link([{clientid, <<"emqx_c">>}]),
    {ok, _} = emqtt:connect(Client),
    {ok, _, _} = emqtt:subscribe(Client, <<"t2">>, 0),
    emqtt:publish(Client, <<"t1">>, <<"{\"x\":1}">>, 0),
    ct:sleep(100),
    ClientPid =
        case emqx_cm:lookup_channels(<<"emqx_c">>) of
            Pids when is_list(Pids) ->
                lists:last(Pids);
            _ ->
                {error, not_found}
        end,
    Caches = gen_server:call(ClientPid, list_authz_cache),
    ct:log("authz caches: ~p", [Caches]),
    ?assert(length(Caches) > 0),
    erlang:send(ClientPid, clean_authz_cache),
    ?assertEqual(0, length(gen_server:call(ClientPid, list_authz_cache))),
    emqtt:stop(Client).

t_drain_authz_cache(_) ->
    {ok, Client} = emqtt:start_link([{clientid, <<"emqx_c">>}]),
    {ok, _} = emqtt:connect(Client),
    {ok, _, _} = emqtt:subscribe(Client, <<"t2">>, 0),
    emqtt:publish(Client, <<"t1">>, <<"{\"x\":1}">>, 0),
    ct:sleep(100),
    ClientPid =
        case emqx_cm:lookup_channels(<<"emqx_c">>) of
            [Pid] when is_pid(Pid) ->
                Pid;
            Pids when is_list(Pids) ->
                lists:last(Pids);
            _ ->
                {error, not_found}
        end,
    Caches = gen_server:call(ClientPid, list_authz_cache),
    ct:log("authz caches: ~p", [Caches]),
    ?assert(length(Caches) > 0),
    emqx_authz_cache:drain_cache(),
    ?assertEqual(0, length(gen_server:call(ClientPid, list_authz_cache))),
    ct:sleep(100),
    {ok, _, _} = emqtt:subscribe(Client, <<"t2">>, 0),
    ?assert(length(gen_server:call(ClientPid, list_authz_cache)) > 0),
    emqtt:stop(Client).