emqx/test/emqx_cm_SUITE.erl

209 lines
8.2 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_cm_SUITE).
-compile(export_all).
-compile(nowarn_export_all).
-include_lib("emqx/include/emqx.hrl").
-include_lib("eunit/include/eunit.hrl").
-define(CM, emqx_cm).
-define(ChanInfo,#{conninfo =>
#{socktype => tcp,
peername => {{127,0,0,1}, 5000},
sockname => {{127,0,0,1}, 1883},
peercert => nossl,
conn_mod => emqx_connection,
receive_maximum => 100}}).
%%--------------------------------------------------------------------
%% CT callbacks
%%--------------------------------------------------------------------
all() -> emqx_ct:all(?MODULE).
init_per_suite(Config) ->
emqx_ct_helpers:boot_modules(all),
emqx_ct_helpers:start_apps([]),
Config.
end_per_suite(_Config) ->
emqx_ct_helpers:stop_apps([]).
%%--------------------------------------------------------------------
%% TODO: Add more test cases
%%--------------------------------------------------------------------
t_reg_unreg_channel(_) ->
ok = emqx_cm:register_channel(<<"clientid">>, ?ChanInfo, []),
?assertEqual([self()], emqx_cm:lookup_channels(<<"clientid">>)),
ok = emqx_cm:unregister_channel(<<"clientid">>),
?assertEqual([], emqx_cm:lookup_channels(<<"clientid">>)).
t_get_set_chan_info(_) ->
Info = ?ChanInfo,
ok = emqx_cm:register_channel(<<"clientid">>, Info, []),
?assertEqual(Info, emqx_cm:get_chan_info(<<"clientid">>)),
Info1 = Info#{proto_ver => 5},
true = emqx_cm:set_chan_info(<<"clientid">>, Info1),
?assertEqual(Info1, emqx_cm:get_chan_info(<<"clientid">>)),
ok = emqx_cm:unregister_channel(<<"clientid">>),
?assertEqual(undefined, emqx_cm:get_chan_info(<<"clientid">>)).
t_get_set_chan_stats(_) ->
Stats = [{recv_oct, 10}, {send_oct, 8}],
ok = emqx_cm:register_channel(<<"clientid">>, ?ChanInfo, Stats),
?assertEqual(Stats, emqx_cm:get_chan_stats(<<"clientid">>)),
Stats1 = [{recv_oct, 10}|Stats],
true = emqx_cm:set_chan_stats(<<"clientid">>, Stats1),
?assertEqual(Stats1, emqx_cm:get_chan_stats(<<"clientid">>)),
ok = emqx_cm:unregister_channel(<<"clientid">>),
?assertEqual(undefined, emqx_cm:get_chan_stats(<<"clientid">>)).
t_open_session(_) ->
ok = meck:new(emqx_connection, [passthrough, no_history]),
ok = meck:expect(emqx_connection, call, fun(_, _) -> ok end),
ClientInfo = #{zone => external,
clientid => <<"clientid">>,
username => <<"username">>,
peerhost => {127,0,0,1}},
ConnInfo = #{socktype => tcp,
peername => {{127,0,0,1}, 5000},
sockname => {{127,0,0,1}, 1883},
peercert => nossl,
conn_mod => emqx_connection,
receive_maximum => 100},
{ok, #{session := Session1, present := false}}
= emqx_cm:open_session(true, ClientInfo, ConnInfo),
?assertEqual(100, emqx_session:info(inflight_max, Session1)),
{ok, #{session := Session2, present := false}}
= emqx_cm:open_session(true, ClientInfo, ConnInfo),
?assertEqual(100, emqx_session:info(inflight_max, Session2)),
emqx_cm:unregister_channel(<<"clientid">>),
ok = meck:unload(emqx_connection).
t_open_session_race_condition(_) ->
ClientInfo = #{zone => external,
clientid => <<"clientid">>,
username => <<"username">>,
peerhost => {127,0,0,1}},
ConnInfo = #{socktype => tcp,
peername => {{127,0,0,1}, 5000},
sockname => {{127,0,0,1}, 1883},
peercert => nossl,
conn_mod => emqx_connection,
receive_maximum => 100},
Parent = self(),
OpenASession = fun() ->
timer:sleep(rand:uniform(100)),
OpenR = (emqx_cm:open_session(true, ClientInfo, ConnInfo)),
Parent ! OpenR,
case OpenR of
{ok, _} ->
receive
{'$gen_call', From, discard} ->
gen_server:reply(From, ok), ok
end;
{error, Reason} ->
exit(Reason)
end
end,
[spawn(
fun() ->
spawn(OpenASession),
spawn(OpenASession)
end) || _ <- lists:seq(1, 1000)],
WaitingRecv = fun _Wr(N1, N2, 0) ->
{N1, N2};
_Wr(N1, N2, Rest) ->
receive
{ok, _} -> _Wr(N1+1, N2, Rest-1);
{error, _} -> _Wr(N1, N2+1, Rest-1)
end
end,
ct:pal("Race condition status: ~p~n", [WaitingRecv(0, 0, 2000)]),
?assertEqual(1, ets:info(emqx_channel, size)),
?assertEqual(1, ets:info(emqx_channel_conn, size)),
?assertEqual(1, ets:info(emqx_channel_registry, size)),
[Pid] = emqx_cm:lookup_channels(<<"clientid">>),
exit(Pid, kill), timer:sleep(100),
?assertEqual([], emqx_cm:lookup_channels(<<"clientid">>)).
t_discard_session(_) ->
ok = meck:new(emqx_connection, [passthrough, no_history]),
ok = meck:expect(emqx_connection, call, fun(_, _) -> ok end),
ok = emqx_cm:discard_session(<<"clientid">>),
ok = emqx_cm:register_channel(<<"clientid">>, ?ChanInfo, []),
ok = emqx_cm:discard_session(<<"clientid">>),
ok = emqx_cm:unregister_channel(<<"clientid">>),
ok = emqx_cm:register_channel(<<"clientid">>, ?ChanInfo, []),
ok = emqx_cm:discard_session(<<"clientid">>),
ok = meck:expect(emqx_connection, call, fun(_, _) -> error(testing) end),
ok = emqx_cm:discard_session(<<"clientid">>),
ok = emqx_cm:unregister_channel(<<"clientid">>),
ok = meck:unload(emqx_connection).
t_takeover_session(_) ->
{error, not_found} = emqx_cm:takeover_session(<<"clientid">>),
erlang:spawn(fun() ->
ok = emqx_cm:register_channel(<<"clientid">>, ?ChanInfo, []),
receive
{'$gen_call', From, {takeover, 'begin'}} ->
gen_server:reply(From, test), ok
end
end),
timer:sleep(100),
{ok, emqx_connection, _, test} = emqx_cm:takeover_session(<<"clientid">>),
emqx_cm:unregister_channel(<<"clientid">>).
t_kick_session(_) ->
ok = meck:new(emqx_connection, [passthrough, no_history]),
ok = meck:expect(emqx_connection, call, fun(_, _) -> test end),
{error, not_found} = emqx_cm:kick_session(<<"clientid">>),
ok = emqx_cm:register_channel(<<"clientid">>, ?ChanInfo, []),
test = emqx_cm:kick_session(<<"clientid">>),
erlang:spawn(fun() ->
ok = emqx_cm:register_channel(<<"clientid">>, ?ChanInfo, []),
timer:sleep(1000)
end),
ct:sleep(100),
test = emqx_cm:kick_session(<<"clientid">>),
ok = emqx_cm:unregister_channel(<<"clientid">>),
ok = meck:unload(emqx_connection).
t_all_channels(_) ->
?assertEqual(true, is_list(emqx_cm:all_channels())).
t_lock_clientid(_) ->
{true, _Nodes} = emqx_cm_locker:lock(<<"clientid">>),
{true, _Nodes} = emqx_cm_locker:lock(<<"clientid">>),
{true, _Nodes} = emqx_cm_locker:unlock(<<"clientid">>),
{true, _Nodes} = emqx_cm_locker:unlock(<<"clientid">>).
t_message(_) ->
?CM ! testing,
gen_server:cast(?CM, testing),
gen_server:call(?CM, testing).