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emqx_channel_SUITE.erl
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emqx_channel_SUITE.erl
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%%--------------------------------------------------------------------
%% Copyright (c) 2019-2022 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_channel_SUITE).
-compile(export_all).
-compile(nowarn_export_all).
-include_lib("emqx/include/emqx.hrl").
-include_lib("emqx/include/emqx_mqtt.hrl").
-include_lib("eunit/include/eunit.hrl").
-include_lib("common_test/include/ct.hrl").
all() ->
emqx_common_test_helpers:all(?MODULE).
force_gc_conf() ->
#{bytes => 16777216, count => 16000, enable => true}.
force_shutdown_conf() ->
#{enable => true, max_heap_size => 4194304, max_message_queue_len => 1000}.
rpc_conf() ->
#{
async_batch_size => 256,
authentication_timeout => 5000,
call_receive_timeout => 15000,
connect_timeout => 5000,
mode => async,
port_discovery => stateless,
send_timeout => 5000,
socket_buffer => 1048576,
socket_keepalive_count => 9,
socket_keepalive_idle => 900,
socket_keepalive_interval => 75,
socket_recbuf => 1048576,
socket_sndbuf => 1048576,
tcp_client_num => 1,
tcp_server_port => 5369
}.
mqtt_conf() ->
#{
await_rel_timeout => 300000,
idle_timeout => 15000,
ignore_loop_deliver => false,
keepalive_backoff => 0.75,
max_awaiting_rel => 100,
max_clientid_len => 65535,
max_inflight => 32,
max_mqueue_len => 1000,
max_packet_size => 1048576,
max_qos_allowed => 2,
max_subscriptions => infinity,
max_topic_alias => 65535,
max_topic_levels => 128,
mqueue_default_priority => lowest,
mqueue_priorities => disabled,
mqueue_store_qos0 => true,
peer_cert_as_clientid => disabled,
peer_cert_as_username => disabled,
response_information => [],
retain_available => true,
retry_interval => 30000,
server_keepalive => disabled,
session_expiry_interval => 7200000,
shared_subscription => true,
strict_mode => false,
upgrade_qos => false,
use_username_as_clientid => false,
wildcard_subscription => true
}.
listener_mqtt_tcp_conf() ->
#{
acceptors => 16,
zone => default,
access_rules => ["allow all"],
bind => {{0, 0, 0, 0}, 1883},
max_connections => 1024000,
mountpoint => <<>>,
proxy_protocol => false,
proxy_protocol_timeout => 3000,
tcp_options => #{
active_n => 100,
backlog => 1024,
buffer => 4096,
high_watermark => 1048576,
nodelay => false,
reuseaddr => true,
send_timeout => 15000,
send_timeout_close => true
}
}.
listener_mqtt_ws_conf() ->
#{
acceptors => 16,
zone => default,
access_rules => ["allow all"],
bind => {{0, 0, 0, 0}, 8083},
max_connections => 1024000,
mountpoint => <<>>,
proxy_protocol => false,
proxy_protocol_timeout => 3000,
tcp_options =>
#{
active_n => 100,
backlog => 1024,
buffer => 4096,
high_watermark => 1048576,
nodelay => false,
reuseaddr => true,
send_timeout => 15000,
send_timeout_close => true
},
websocket =>
#{
allow_origin_absence => true,
check_origin_enable => false,
check_origins => [],
compress => false,
deflate_opts =>
#{
client_max_window_bits => 15,
mem_level => 8,
server_max_window_bits => 15
},
fail_if_no_subprotocol => true,
idle_timeout => 86400000,
max_frame_size => infinity,
mqtt_path => "/mqtt",
mqtt_piggyback => multiple,
% should allow uppercase in config
proxy_address_header => "X-Forwarded-For",
proxy_port_header => "x-forwarded-port",
supported_subprotocols =>
["mqtt", "mqtt-v3", "mqtt-v3.1.1", "mqtt-v5"]
}
}.
listeners_conf() ->
#{
tcp => #{default => listener_mqtt_tcp_conf()},
ws => #{default => listener_mqtt_ws_conf()}
}.
limiter_conf() ->
Make = fun() ->
#{
burst => 0,
rate => infinity,
capacity => infinity
}
end,
lists:foldl(
fun(Name, Acc) ->
Acc#{Name => Make()}
end,
#{},
[bytes_in, message_in, message_routing, connection, internal]
).
stats_conf() ->
#{enable => true}.
zone_conf() ->
#{}.
basic_conf() ->
#{
force_gc => force_gc_conf(),
force_shutdown => force_shutdown_conf(),
mqtt => mqtt_conf(),
rpc => rpc_conf(),
stats => stats_conf(),
listeners => listeners_conf(),
zones => zone_conf(),
limiter => limiter_conf()
}.
set_test_listener_confs() ->
Conf = emqx_config:get([], #{}),
emqx_config:put(basic_conf()),
Conf.
%%--------------------------------------------------------------------
%% CT Callbacks
%%--------------------------------------------------------------------
init_per_suite(Config) ->
%% CM Meck
ok = meck:new(emqx_cm, [passthrough, no_history, no_link]),
ok = meck:expect(emqx_cm, mark_channel_connected, fun(_) -> ok end),
ok = meck:expect(emqx_cm, mark_channel_disconnected, fun(_) -> ok end),
%% Broker Meck
ok = meck:new(emqx_broker, [passthrough, no_history, no_link]),
%% Hooks Meck
ok = meck:new(emqx_hooks, [passthrough, no_history, no_link]),
ok = meck:expect(emqx_hooks, run, fun(_Hook, _Args) -> ok end),
ok = meck:expect(emqx_hooks, run_fold, fun(_Hook, _Args, Acc) -> Acc end),
%% Session Meck
ok = meck:new(emqx_session, [passthrough, no_history, no_link]),
%% Metrics
ok = meck:new(emqx_metrics, [passthrough, no_history, no_link]),
ok = meck:expect(emqx_metrics, inc, fun(_) -> ok end),
ok = meck:expect(emqx_metrics, inc, fun(_, _) -> ok end),
%% Ban
meck:new(emqx_banned, [passthrough, no_history, no_link]),
ok = meck:expect(emqx_banned, check, fun(_ConnInfo) -> false end),
Config.
end_per_suite(_Config) ->
meck:unload([
emqx_metrics,
emqx_session,
emqx_broker,
emqx_hooks,
emqx_cm,
emqx_banned
]).
init_per_testcase(_TestCase, Config) ->
%% Access Control Meck
ok = meck:new(emqx_access_control, [passthrough, no_history, no_link]),
ok = meck:expect(
emqx_access_control,
authenticate,
fun(_) -> {ok, #{is_superuser => false}} end
),
ok = meck:expect(emqx_access_control, authorize, fun(_, _, _) -> allow end),
%% Set confs
OldConf = set_test_listener_confs(),
emqx_common_test_helpers:start_apps([]),
[{config, OldConf} | Config].
end_per_testcase(_TestCase, Config) ->
meck:unload([emqx_access_control]),
emqx_config:put(?config(config, Config)),
emqx_common_test_helpers:stop_apps([]),
Config.
%%--------------------------------------------------------------------
%% Test cases for channel info/stats/caps
%%--------------------------------------------------------------------
t_chan_info(_) ->
#{
conn_state := connected,
clientinfo := ClientInfo
} = emqx_channel:info(channel()),
?assertEqual(clientinfo(), ClientInfo).
t_chan_caps(_) ->
?assertMatch(
#{
max_clientid_len := 65535,
max_qos_allowed := 2,
max_topic_alias := 65535,
max_topic_levels := Level,
retain_available := true,
shared_subscription := true,
subscription_identifiers := true,
wildcard_subscription := true
} when is_integer(Level),
emqx_channel:caps(channel())
).
%%--------------------------------------------------------------------
%% Test cases for channel handle_in
%%--------------------------------------------------------------------
t_handle_in_connect_packet_sucess(_) ->
ok = meck:expect(
emqx_cm,
open_session,
fun(true, _ClientInfo, _ConnInfo) ->
{ok, #{session => session(), present => false}}
end
),
IdleChannel = channel(#{conn_state => idle}),
{ok, [{event, connected}, {connack, ?CONNACK_PACKET(?RC_SUCCESS, 0, _)}], Channel} =
emqx_channel:handle_in(?CONNECT_PACKET(connpkt()), IdleChannel),
ClientInfo = emqx_channel:info(clientinfo, Channel),
?assertMatch(
#{
clientid := <<"clientid">>,
username := <<"username">>
},
ClientInfo
),
?assertEqual(connected, emqx_channel:info(conn_state, Channel)).
t_handle_in_unexpected_connect_packet(_) ->
Channel = emqx_channel:set_field(conn_state, connected, channel()),
Packet = ?DISCONNECT_PACKET(?RC_PROTOCOL_ERROR),
{ok, [{outgoing, Packet}, {close, protocol_error}], Channel} =
emqx_channel:handle_in(?CONNECT_PACKET(connpkt()), Channel).
t_handle_in_unexpected_packet(_) ->
Channel = emqx_channel:set_field(conn_state, idle, channel()),
Packet = ?DISCONNECT_PACKET(?RC_PROTOCOL_ERROR),
{ok, [{outgoing, Packet}, {close, protocol_error}], Channel} =
emqx_channel:handle_in(?PUBLISH_PACKET(?QOS_0), Channel).
% t_handle_in_connect_auth_failed(_) ->
% ConnPkt = #mqtt_packet_connect{
% proto_name = <<"MQTT">>,
% proto_ver = ?MQTT_PROTO_V5,
% is_bridge = false,
% clean_start = true,
% keepalive = 30,
% properties = #{
% 'Authentication-Method' => <<"failed_auth_method">>,
% 'Authentication-Data' => <<"failed_auth_data">>
% },
% clientid = <<"clientid">>,
% username = <<"username">>
% },
% {shutdown, not_authorized, ?CONNACK_PACKET(?RC_NOT_AUTHORIZED), _} =
% emqx_channel:handle_in(?CONNECT_PACKET(ConnPkt), channel(#{conn_state => idle})).
t_handle_in_continue_auth(_) ->
Properties = #{
'Authentication-Method' => <<"failed_auth_method">>,
'Authentication-Data' => <<"failed_auth_data">>
},
Channel1 = channel(#{conn_state => connected}),
{ok, [{outgoing, ?DISCONNECT_PACKET(?RC_PROTOCOL_ERROR)}, {close, protocol_error}], Channel1} =
emqx_channel:handle_in(?AUTH_PACKET(?RC_CONTINUE_AUTHENTICATION, Properties), Channel1),
Channel2 = channel(#{conn_state => connecting}),
ConnInfo = emqx_channel:info(conninfo, Channel2),
Channel3 = emqx_channel:set_field(conninfo, ConnInfo#{conn_props => Properties}, Channel2),
{ok, [{event, connected}, {connack, ?CONNACK_PACKET(?RC_SUCCESS)}], _} =
emqx_channel:handle_in(
?AUTH_PACKET(?RC_CONTINUE_AUTHENTICATION, Properties), Channel3
).
t_handle_in_re_auth(_) ->
Properties = #{
'Authentication-Method' => <<"failed_auth_method">>,
'Authentication-Data' => <<"failed_auth_data">>
},
{ok,
[
{outgoing, ?DISCONNECT_PACKET(?RC_BAD_AUTHENTICATION_METHOD)},
{close, bad_authentication_method}
],
_} =
emqx_channel:handle_in(
?AUTH_PACKET(?RC_RE_AUTHENTICATE, Properties),
channel()
),
{ok,
[
{outgoing, ?DISCONNECT_PACKET(?RC_BAD_AUTHENTICATION_METHOD)},
{close, bad_authentication_method}
],
_} =
emqx_channel:handle_in(
?AUTH_PACKET(?RC_RE_AUTHENTICATE, Properties),
channel(#{conninfo => #{proto_ver => ?MQTT_PROTO_V5, conn_props => undefined}})
),
Channel1 = channel(),
ConnInfo = emqx_channel:info(conninfo, Channel1),
Channel2 = emqx_channel:set_field(conninfo, ConnInfo#{conn_props => Properties}, Channel1),
{ok, ?AUTH_PACKET(?RC_SUCCESS), _} =
emqx_channel:handle_in(
?AUTH_PACKET(?RC_RE_AUTHENTICATE, Properties), Channel2
).
t_handle_in_qos0_publish(_) ->
ok = meck:expect(emqx_broker, publish, fun(_) -> [] end),
Channel = channel(#{conn_state => connected}),
Publish = ?PUBLISH_PACKET(?QOS_0, <<"topic">>, undefined, <<"payload">>),
{ok, _NChannel} = emqx_channel:handle_in(Publish, Channel).
t_handle_in_qos1_publish(_) ->
ok = meck:expect(emqx_broker, publish, fun(_) -> [] end),
Publish = ?PUBLISH_PACKET(?QOS_1, <<"topic">>, 1, <<"payload">>),
{ok, ?PUBACK_PACKET(1, ?RC_NO_MATCHING_SUBSCRIBERS), _Channel} =
emqx_channel:handle_in(Publish, channel(#{conn_state => connected})).
t_handle_in_qos2_publish(_) ->
ok = meck:expect(emqx_broker, publish, fun(_) -> [{node(), <<"topic">>, {ok, 1}}] end),
Channel = channel(#{conn_state => connected, session => session()}),
%% waiting limiter server
timer:sleep(200),
Publish1 = ?PUBLISH_PACKET(?QOS_2, <<"topic">>, 1, <<"payload">>),
{ok, ?PUBREC_PACKET(1, ?RC_SUCCESS), Channel1} =
emqx_channel:handle_in(Publish1, Channel),
ok = meck:expect(emqx_broker, publish, fun(_) -> [] end),
Publish2 = ?PUBLISH_PACKET(?QOS_2, <<"topic">>, 2, <<"payload">>),
{ok, ?PUBREC_PACKET(2, ?RC_NO_MATCHING_SUBSCRIBERS), Channel2} =
emqx_channel:handle_in(Publish2, Channel1),
?assertEqual(2, proplists:get_value(awaiting_rel_cnt, emqx_channel:stats(Channel2))).
t_handle_in_qos2_publish_with_error_return(_) ->
ok = meck:expect(emqx_metrics, inc, fun(_) -> ok end),
ok = meck:expect(emqx_broker, publish, fun(_) -> [] end),
Session = session(#{max_awaiting_rel => 2, awaiting_rel => #{1 => 1}}),
Channel = channel(#{conn_state => connected, session => Session}),
%% waiting limiter server
timer:sleep(200),
Publish1 = ?PUBLISH_PACKET(?QOS_2, <<"topic">>, 1, <<"payload">>),
{ok, ?PUBREC_PACKET(1, ?RC_PACKET_IDENTIFIER_IN_USE), Channel} =
emqx_channel:handle_in(Publish1, Channel),
Publish2 = ?PUBLISH_PACKET(?QOS_2, <<"topic">>, 2, <<"payload">>),
{ok, ?PUBREC_PACKET(2, ?RC_NO_MATCHING_SUBSCRIBERS), Channel1} =
emqx_channel:handle_in(Publish2, Channel),
Publish3 = ?PUBLISH_PACKET(?QOS_2, <<"topic">>, 3, <<"payload">>),
{ok,
[
{outgoing, ?DISCONNECT_PACKET(?RC_RECEIVE_MAXIMUM_EXCEEDED)},
{close, receive_maximum_exceeded}
],
Channel1} =
emqx_channel:handle_in(Publish3, Channel1).
t_handle_in_puback_ok(_) ->
Msg = emqx_message:make(<<"t">>, <<"payload">>),
ok = meck:expect(
emqx_session,
puback,
fun(_, _PacketId, Session) -> {ok, Msg, Session} end
),
Channel = channel(#{conn_state => connected}),
{ok, _NChannel} = emqx_channel:handle_in(?PUBACK_PACKET(1, ?RC_SUCCESS), Channel).
% ?assertEqual(#{puback_in => 1}, emqx_channel:info(pub_stats, NChannel)).
t_handle_in_puback_id_in_use(_) ->
ok = meck:expect(
emqx_session,
puback,
fun(_, _, _Session) ->
{error, ?RC_PACKET_IDENTIFIER_IN_USE}
end
),
{ok, _Channel} = emqx_channel:handle_in(?PUBACK_PACKET(1, ?RC_SUCCESS), channel()).
% ?assertEqual(#{puback_in => 1}, emqx_channel:info(pub_stats, Channel)).
t_handle_in_puback_id_not_found(_) ->
ok = meck:expect(
emqx_session,
puback,
fun(_, _, _Session) ->
{error, ?RC_PACKET_IDENTIFIER_NOT_FOUND}
end
),
{ok, _Channel} = emqx_channel:handle_in(?PUBACK_PACKET(1, ?RC_SUCCESS), channel()).
% ?assertEqual(#{puback_in => 1}, emqx_channel:info(pub_stats, Channel)).
t_bad_receive_maximum(_) ->
ok = meck:expect(
emqx_cm,
open_session,
fun(true, _ClientInfo, _ConnInfo) ->
{ok, #{session => session(), present => false}}
end
),
emqx_config:put_zone_conf(default, [mqtt, response_information], test),
C1 = channel(#{conn_state => idle}),
{shutdown, protocol_error, _, _} =
emqx_channel:handle_in(
?CONNECT_PACKET(connpkt(#{'Receive-Maximum' => 0})),
C1
).
t_override_client_receive_maximum(_) ->
ok = meck:expect(
emqx_cm,
open_session,
fun(true, _ClientInfo, _ConnInfo) ->
{ok, #{session => session(), present => false}}
end
),
emqx_config:put_zone_conf(default, [mqtt, response_information], test),
emqx_config:put_zone_conf(default, [mqtt, max_inflight], 0),
C1 = channel(#{conn_state => idle}),
ClientCapacity = 2,
{ok, [{event, connected}, _ConnAck], C2} =
emqx_channel:handle_in(
?CONNECT_PACKET(connpkt(#{'Receive-Maximum' => ClientCapacity})),
C1
),
ConnInfo = emqx_channel:info(conninfo, C2),
?assertEqual(ClientCapacity, maps:get(receive_maximum, ConnInfo)).
t_handle_in_pubrec_ok(_) ->
Msg = emqx_message:make(test, ?QOS_2, <<"t">>, <<"payload">>),
ok = meck:expect(emqx_session, pubrec, fun(_, _, Session) -> {ok, Msg, Session} end),
Channel = channel(#{conn_state => connected}),
{ok, ?PUBREL_PACKET(1, ?RC_SUCCESS), _Channel1} =
emqx_channel:handle_in(?PUBREC_PACKET(1, ?RC_SUCCESS), Channel).
t_handle_in_pubrec_id_in_use(_) ->
ok = meck:expect(
emqx_session,
pubrec,
fun(_, _, _Session) ->
{error, ?RC_PACKET_IDENTIFIER_IN_USE}
end
),
{ok, ?PUBREL_PACKET(1, ?RC_PACKET_IDENTIFIER_IN_USE), _Channel} =
emqx_channel:handle_in(?PUBREC_PACKET(1, ?RC_SUCCESS), channel()).
t_handle_in_pubrec_id_not_found(_) ->
ok = meck:expect(
emqx_session,
pubrec,
fun(_, _, _Session) ->
{error, ?RC_PACKET_IDENTIFIER_NOT_FOUND}
end
),
{ok, ?PUBREL_PACKET(1, ?RC_PACKET_IDENTIFIER_NOT_FOUND), _Channel} =
emqx_channel:handle_in(?PUBREC_PACKET(1, ?RC_SUCCESS), channel()).
t_handle_in_pubrel_ok(_) ->
ok = meck:expect(emqx_session, pubrel, fun(_, _, Session) -> {ok, Session} end),
Channel = channel(#{conn_state => connected}),
{ok, ?PUBCOMP_PACKET(1, ?RC_SUCCESS), _Channel1} =
emqx_channel:handle_in(?PUBREL_PACKET(1, ?RC_SUCCESS), Channel).
t_handle_in_pubrel_not_found_error(_) ->
ok = meck:expect(
emqx_session,
pubrel,
fun(_, _PacketId, _Session) ->
{error, ?RC_PACKET_IDENTIFIER_NOT_FOUND}
end
),
{ok, ?PUBCOMP_PACKET(1, ?RC_PACKET_IDENTIFIER_NOT_FOUND), _Channel} =
emqx_channel:handle_in(?PUBREL_PACKET(1, ?RC_SUCCESS), channel()).
t_handle_in_pubcomp_ok(_) ->
ok = meck:expect(emqx_session, pubcomp, fun(_, _, Session) -> {ok, Session} end),
{ok, _Channel} = emqx_channel:handle_in(?PUBCOMP_PACKET(1, ?RC_SUCCESS), channel()).
% ?assertEqual(#{pubcomp_in => 1}, emqx_channel:info(pub_stats, Channel)).
t_handle_in_pubcomp_not_found_error(_) ->
ok = meck:expect(
emqx_session,
pubcomp,
fun(_, _PacketId, _Session) ->
{error, ?RC_PACKET_IDENTIFIER_NOT_FOUND}
end
),
Channel = channel(#{conn_state => connected}),
{ok, _Channel1} = emqx_channel:handle_in(?PUBCOMP_PACKET(1, ?RC_SUCCESS), Channel).
t_handle_in_subscribe(_) ->
ok = meck:expect(
emqx_session,
subscribe,
fun(_, _, _, Session) -> {ok, Session} end
),
Channel = channel(#{conn_state => connected}),
TopicFilters = [{<<"+">>, ?DEFAULT_SUBOPTS}],
Subscribe = ?SUBSCRIBE_PACKET(1, #{}, TopicFilters),
Replies = [{outgoing, ?SUBACK_PACKET(1, [?QOS_0])}, {event, updated}],
{ok, Replies, _Chan} = emqx_channel:handle_in(Subscribe, Channel).
t_handle_in_unsubscribe(_) ->
ok = meck:expect(
emqx_session,
unsubscribe,
fun(_, _, _, Session) ->
{ok, Session}
end
),
Channel = channel(#{conn_state => connected}),
{ok, [{outgoing, ?UNSUBACK_PACKET(1)}, {event, updated}], _Chan} =
emqx_channel:handle_in(?UNSUBSCRIBE_PACKET(1, #{}, [<<"+">>]), Channel).
t_handle_in_pingreq(_) ->
{ok, ?PACKET(?PINGRESP), _Channel} =
emqx_channel:handle_in(?PACKET(?PINGREQ), channel()).
t_handle_in_disconnect(_) ->
Packet = ?DISCONNECT_PACKET(?RC_SUCCESS),
Channel = channel(#{conn_state => connected}),
{ok, {close, normal}, Channel1} = emqx_channel:handle_in(Packet, Channel),
?assertEqual(undefined, emqx_channel:info(will_msg, Channel1)).
t_handle_in_auth(_) ->
Channel = channel(#{conn_state => connected}),
Packet = ?DISCONNECT_PACKET(?RC_PROTOCOL_ERROR),
{ok, [{outgoing, Packet}, {close, protocol_error}], Channel} =
emqx_channel:handle_in(?AUTH_PACKET(), Channel).
t_handle_in_frame_error(_) ->
IdleChannel = channel(#{conn_state => idle}),
{shutdown, frame_too_large, _Chan} =
emqx_channel:handle_in({frame_error, frame_too_large}, IdleChannel),
ConnectingChan = channel(#{conn_state => connecting}),
ConnackPacket = ?CONNACK_PACKET(?RC_PACKET_TOO_LARGE),
{shutdown, frame_too_large, ConnackPacket, _} =
emqx_channel:handle_in({frame_error, frame_too_large}, ConnectingChan),
DisconnectPacket = ?DISCONNECT_PACKET(?RC_PACKET_TOO_LARGE),
ConnectedChan = channel(#{conn_state => connected}),
{ok, [{outgoing, DisconnectPacket}, {close, frame_too_large}], _} =
emqx_channel:handle_in({frame_error, frame_too_large}, ConnectedChan),
DisconnectedChan = channel(#{conn_state => disconnected}),
{ok, DisconnectedChan} =
emqx_channel:handle_in({frame_error, frame_too_large}, DisconnectedChan).
t_handle_in_expected_packet(_) ->
Packet = ?DISCONNECT_PACKET(?RC_PROTOCOL_ERROR),
{ok, [{outgoing, Packet}, {close, protocol_error}], _Chan} =
emqx_channel:handle_in(packet, channel()).
t_process_connect(_) ->
ok = meck:expect(
emqx_cm,
open_session,
fun(true, _ClientInfo, _ConnInfo) ->
{ok, #{session => session(), present => false}}
end
),
{ok, [{event, connected}, {connack, ?CONNACK_PACKET(?RC_SUCCESS)}], _Chan} =
emqx_channel:process_connect(#{}, channel(#{conn_state => idle})).
t_process_publish_qos0(_) ->
ok = meck:expect(emqx_broker, publish, fun(_) -> [] end),
Publish = ?PUBLISH_PACKET(?QOS_0, <<"t">>, 1, <<"payload">>),
{ok, _Channel} = emqx_channel:process_publish(Publish, channel()).
t_process_publish_qos1(_) ->
ok = meck:expect(emqx_broker, publish, fun(_) -> [] end),
Publish = ?PUBLISH_PACKET(?QOS_1, <<"t">>, 1, <<"payload">>),
{ok, ?PUBACK_PACKET(1, ?RC_NO_MATCHING_SUBSCRIBERS), _Channel} =
emqx_channel:process_publish(Publish, channel()).
t_process_subscribe(_) ->
ok = meck:expect(emqx_session, subscribe, fun(_, _, _, Session) -> {ok, Session} end),
TopicFilters = [TopicFilter = {<<"+">>, ?DEFAULT_SUBOPTS}],
{[{TopicFilter, ?RC_SUCCESS}], _Channel} =
emqx_channel:process_subscribe(TopicFilters, #{}, channel()).
t_process_unsubscribe(_) ->
ok = meck:expect(emqx_session, unsubscribe, fun(_, _, _, Session) -> {ok, Session} end),
TopicFilters = [{<<"+">>, ?DEFAULT_SUBOPTS}],
{[?RC_SUCCESS], _Channel} = emqx_channel:process_unsubscribe(TopicFilters, #{}, channel()).
t_quota_qos0(_) ->
esockd_limiter:start_link(),
add_bucket(),
Cnter = counters:new(1, []),
ok = meck:expect(emqx_broker, publish, fun(_) -> [{node(), <<"topic">>, {ok, 4}}] end),
ok = meck:expect(
emqx_metrics,
inc,
fun('packets.publish.dropped') -> counters:add(Cnter, 1, 1) end
),
ok = meck:expect(
emqx_metrics,
val,
fun('packets.publish.dropped') -> counters:get(Cnter, 1) end
),
Chann = channel(#{conn_state => connected, quota => quota()}),
Pub = ?PUBLISH_PACKET(?QOS_0, <<"topic">>, undefined, <<"payload">>),
M1 = emqx_metrics:val('packets.publish.dropped'),
{ok, Chann1} = emqx_channel:handle_in(Pub, Chann),
{ok, Chann2} = emqx_channel:handle_in(Pub, Chann1),
M1 = emqx_metrics:val('packets.publish.dropped') - 1,
timer:sleep(1000),
{ok, Chann3} = emqx_channel:handle_timeout(ref, expire_quota_limit, Chann2),
{ok, _} = emqx_channel:handle_in(Pub, Chann3),
M1 = emqx_metrics:val('packets.publish.dropped') - 1,
ok = meck:expect(emqx_metrics, inc, fun(_) -> ok end),
ok = meck:expect(emqx_metrics, inc, fun(_, _) -> ok end),
del_bucket(),
esockd_limiter:stop().
t_quota_qos1(_) ->
esockd_limiter:start_link(),
add_bucket(),
ok = meck:expect(emqx_broker, publish, fun(_) -> [{node(), <<"topic">>, {ok, 4}}] end),
Chann = channel(#{conn_state => connected, quota => quota()}),
Pub = ?PUBLISH_PACKET(?QOS_1, <<"topic">>, 1, <<"payload">>),
%% Quota per connections
{ok, ?PUBACK_PACKET(1, ?RC_SUCCESS), Chann1} = emqx_channel:handle_in(Pub, Chann),
{ok, ?PUBACK_PACKET(1, ?RC_QUOTA_EXCEEDED), Chann2} = emqx_channel:handle_in(Pub, Chann1),
{ok, Chann3} = emqx_channel:handle_timeout(ref, expire_quota_limit, Chann2),
{ok, ?PUBACK_PACKET(1, ?RC_SUCCESS), Chann4} = emqx_channel:handle_in(Pub, Chann3),
%% Quota in overall
{ok, ?PUBACK_PACKET(1, ?RC_QUOTA_EXCEEDED), _} = emqx_channel:handle_in(Pub, Chann4),
del_bucket(),
esockd_limiter:stop().
t_quota_qos2(_) ->
esockd_limiter:start_link(),
add_bucket(),
ok = meck:expect(emqx_broker, publish, fun(_) -> [{node(), <<"topic">>, {ok, 4}}] end),
Chann = channel(#{conn_state => connected, quota => quota()}),
Pub1 = ?PUBLISH_PACKET(?QOS_2, <<"topic">>, 1, <<"payload">>),
Pub2 = ?PUBLISH_PACKET(?QOS_2, <<"topic">>, 2, <<"payload">>),
Pub3 = ?PUBLISH_PACKET(?QOS_2, <<"topic">>, 3, <<"payload">>),
Pub4 = ?PUBLISH_PACKET(?QOS_2, <<"topic">>, 4, <<"payload">>),
%% Quota per connections
{ok, ?PUBREC_PACKET(1, ?RC_SUCCESS), Chann1} = emqx_channel:handle_in(Pub1, Chann),
{ok, ?PUBREC_PACKET(2, ?RC_QUOTA_EXCEEDED), Chann2} = emqx_channel:handle_in(Pub2, Chann1),
{ok, Chann3} = emqx_channel:handle_timeout(ref, expire_quota_limit, Chann2),
{ok, ?PUBREC_PACKET(3, ?RC_SUCCESS), Chann4} = emqx_channel:handle_in(Pub3, Chann3),
%% Quota in overall
{ok, ?PUBREC_PACKET(4, ?RC_QUOTA_EXCEEDED), _} = emqx_channel:handle_in(Pub4, Chann4),
del_bucket(),
esockd_limiter:stop().
%%--------------------------------------------------------------------
%% Test cases for handle_deliver
%%--------------------------------------------------------------------
t_handle_deliver(_) ->
Msg0 = emqx_message:make(test, ?QOS_1, <<"t1">>, <<"qos1">>),
Msg1 = emqx_message:make(test, ?QOS_2, <<"t2">>, <<"qos2">>),
Delivers = [{deliver, <<"+">>, Msg0}, {deliver, <<"+">>, Msg1}],
{ok, {outgoing, Packets}, _Ch} = emqx_channel:handle_deliver(Delivers, channel()),
?assertEqual([?QOS_1, ?QOS_2], [emqx_packet:qos(Pkt) || Pkt <- Packets]).
t_handle_deliver_nl(_) ->
ClientInfo = clientinfo(#{clientid => <<"clientid">>}),
Session = session(#{subscriptions => #{<<"t1">> => #{nl => 1}}}),
Channel = channel(#{clientinfo => ClientInfo, session => Session}),
Msg = emqx_message:make(<<"clientid">>, ?QOS_1, <<"t1">>, <<"qos1">>),
NMsg = emqx_message:set_flag(nl, Msg),
{ok, _} = emqx_channel:handle_deliver([{deliver, <<"t1">>, NMsg}], Channel).
%%--------------------------------------------------------------------
%% Test cases for handle_out
%%--------------------------------------------------------------------
t_handle_out_publish(_) ->
Channel = channel(#{conn_state => connected}),
Pub0 = {undefined, emqx_message:make(<<"t">>, <<"qos0">>)},
Pub1 = {1, emqx_message:make(<<"c">>, ?QOS_1, <<"t">>, <<"qos1">>)},
{ok, {outgoing, Packets}, _NChannel} =
emqx_channel:handle_out(publish, [Pub0, Pub1], Channel),
?assertEqual(2, length(Packets)).
t_handle_out_publish_1(_) ->
Msg = emqx_message:make(<<"clientid">>, ?QOS_1, <<"t">>, <<"payload">>),
{ok, {outgoing, [?PUBLISH_PACKET(?QOS_1, <<"t">>, 1, <<"payload">>)]}, _Chan} =
emqx_channel:handle_out(publish, [{1, Msg}], channel()).
t_handle_out_connack_sucess(_) ->
{ok, [{event, connected}, {connack, ?CONNACK_PACKET(?RC_SUCCESS, 0, _)}], Channel} =
emqx_channel:handle_out(connack, {?RC_SUCCESS, 0, #{}}, channel()),
?assertEqual(connected, emqx_channel:info(conn_state, Channel)).
t_handle_out_connack_response_information(_) ->
ok = meck:expect(
emqx_cm,
open_session,
fun(true, _ClientInfo, _ConnInfo) ->
{ok, #{session => session(), present => false}}
end
),
emqx_config:put_zone_conf(default, [mqtt, response_information], test),
IdleChannel = channel(#{conn_state => idle}),
{ok,
[
{event, connected},
{connack, ?CONNACK_PACKET(?RC_SUCCESS, 0, #{'Response-Information' := test})}
],
_} = emqx_channel:handle_in(
?CONNECT_PACKET(connpkt(#{'Request-Response-Information' => 1})),
IdleChannel
).
t_handle_out_connack_not_response_information(_) ->
ok = meck:expect(
emqx_cm,
open_session,
fun(true, _ClientInfo, _ConnInfo) ->
{ok, #{session => session(), present => false}}
end
),
emqx_config:put_zone_conf(default, [mqtt, response_information], test),
IdleChannel = channel(#{conn_state => idle}),
{ok, [{event, connected}, {connack, ?CONNACK_PACKET(?RC_SUCCESS, 0, AckProps)}], _} =
emqx_channel:handle_in(
?CONNECT_PACKET(connpkt(#{'Request-Response-Information' => 0})),
IdleChannel
),
?assertEqual(false, maps:is_key('Response-Information', AckProps)).
t_handle_out_connack_failure(_) ->
{shutdown, not_authorized, ?CONNACK_PACKET(?RC_NOT_AUTHORIZED), _Chan} =
emqx_channel:handle_out(connack, ?RC_NOT_AUTHORIZED, channel()).
t_handle_out_puback(_) ->
Channel = channel(#{conn_state => connected}),
{ok, ?PUBACK_PACKET(1, ?RC_SUCCESS), _NChannel} =
emqx_channel:handle_out(puback, {1, ?RC_SUCCESS}, Channel).
t_handle_out_pubrec(_) ->
Channel = channel(#{conn_state => connected}),
{ok, ?PUBREC_PACKET(1, ?RC_SUCCESS), _NChannel} =
emqx_channel:handle_out(pubrec, {1, ?RC_SUCCESS}, Channel).
t_handle_out_pubrel(_) ->
Channel = channel(#{conn_state => connected}),
{ok, ?PUBREL_PACKET(1), Channel1} =
emqx_channel:handle_out(pubrel, {1, ?RC_SUCCESS}, Channel),
{ok, ?PUBREL_PACKET(2, ?RC_SUCCESS), _Channel2} =
emqx_channel:handle_out(pubrel, {2, ?RC_SUCCESS}, Channel1).
t_handle_out_pubcomp(_) ->
{ok, ?PUBCOMP_PACKET(1, ?RC_SUCCESS), _Channel} =
emqx_channel:handle_out(pubcomp, {1, ?RC_SUCCESS}, channel()).
t_handle_out_suback(_) ->
Replies = [{outgoing, ?SUBACK_PACKET(1, [?QOS_2])}, {event, updated}],
{ok, Replies, _Chan} = emqx_channel:handle_out(suback, {1, [?QOS_2]}, channel()).
t_handle_out_unsuback(_) ->
Replies = [{outgoing, ?UNSUBACK_PACKET(1, [?RC_SUCCESS])}, {event, updated}],
{ok, Replies, _Chan} = emqx_channel:handle_out(unsuback, {1, [?RC_SUCCESS]}, channel()).
t_handle_out_disconnect(_) ->
Packet = ?DISCONNECT_PACKET(?RC_SUCCESS),
{ok, [{outgoing, Packet}, {close, normal}], _Chan} =
emqx_channel:handle_out(disconnect, ?RC_SUCCESS, channel()).
t_handle_out_unexpected(_) ->
{ok, _Channel} = emqx_channel:handle_out(unexpected, <<"data">>, channel()).
%%--------------------------------------------------------------------
%% Test cases for handle_call
%%--------------------------------------------------------------------
t_handle_call_kick(_) ->
Channelv5 = channel(),
Channelv4 = v4(Channelv5),
{shutdown, kicked, ok, _} = emqx_channel:handle_call(kick, Channelv4),
{shutdown, kicked, ok, ?DISCONNECT_PACKET(?RC_ADMINISTRATIVE_ACTION), _} = emqx_channel:handle_call(
kick, Channelv5
),
DisconnectedChannelv5 = channel(#{conn_state => disconnected}),
DisconnectedChannelv4 = v4(DisconnectedChannelv5),
{shutdown, kicked, ok, _} = emqx_channel:handle_call(kick, DisconnectedChannelv5),
{shutdown, kicked, ok, _} = emqx_channel:handle_call(kick, DisconnectedChannelv4).
t_handle_kicked_publish_will_msg(_) ->
Self = self(),
ok = meck:expect(emqx_broker, publish, fun(M) -> Self ! {pub, M} end),
Msg = emqx_message:make(test, <<"will_topic">>, <<"will_payload">>),
{shutdown, kicked, ok, ?DISCONNECT_PACKET(?RC_ADMINISTRATIVE_ACTION), _} = emqx_channel:handle_call(
kick, channel(#{will_msg => Msg})
),
receive
{pub, Msg} -> ok
after 200 -> exit(will_message_not_published)
end.
t_handle_call_discard(_) ->
Packet = ?DISCONNECT_PACKET(?RC_SESSION_TAKEN_OVER),
{shutdown, discarded, ok, Packet, _Channel} =
emqx_channel:handle_call(discard, channel()).
t_handle_call_takeover_begin(_) ->
{reply, _Session, _Chan} = emqx_channel:handle_call({takeover, 'begin'}, channel()).
t_handle_call_takeover_end(_) ->
ok = meck:expect(emqx_session, takeover, fun(_) -> ok end),
{shutdown, takenover, [], _, _Chan} =
emqx_channel:handle_call({takeover, 'end'}, channel()).
t_handle_call_unexpected(_) ->
{reply, ignored, _Chan} = emqx_channel:handle_call(unexpected_req, channel()).
%%--------------------------------------------------------------------
%% Test cases for handle_info
%%--------------------------------------------------------------------
t_handle_info_subscribe(_) ->
ok = meck:expect(emqx_session, subscribe, fun(_, _, _, Session) -> {ok, Session} end),
{ok, _Chan} = emqx_channel:handle_info({subscribe, topic_filters()}, channel()).
t_handle_info_unsubscribe(_) ->
ok = meck:expect(emqx_session, unsubscribe, fun(_, _, _, Session) -> {ok, Session} end),
{ok, _Chan} = emqx_channel:handle_info({unsubscribe, topic_filters()}, channel()).
t_handle_info_sock_closed(_) ->
Channel = channel(#{conn_state => disconnected}),
{ok, Channel} = emqx_channel:handle_info({sock_closed, reason}, Channel).
%%--------------------------------------------------------------------
%% Test cases for handle_timeout
%%--------------------------------------------------------------------
t_handle_timeout_emit_stats(_) ->
TRef = make_ref(),
ok = meck:expect(emqx_cm, set_chan_stats, fun(_, _) -> ok end),
Channel = emqx_channel:set_field(timers, #{stats_timer => TRef}, channel()),
{ok, _Chan} = emqx_channel:handle_timeout(TRef, {emit_stats, []}, Channel).
t_handle_timeout_keepalive(_) ->
TRef = make_ref(),
Channel = emqx_channel:set_field(timers, #{alive_timer => TRef}, channel()),
{ok, _Chan} = emqx_channel:handle_timeout(make_ref(), {keepalive, 10}, Channel).
t_handle_timeout_retry_delivery(_) ->
TRef = make_ref(),
ok = meck:expect(emqx_session, retry, fun(_, Session) -> {ok, Session} end),
Channel = emqx_channel:set_field(timers, #{retry_timer => TRef}, channel()),
{ok, _Chan} = emqx_channel:handle_timeout(TRef, retry_delivery, Channel).
t_handle_timeout_expire_awaiting_rel(_) ->
TRef = make_ref(),
ok = meck:expect(emqx_session, expire, fun(_, _, Session) -> {ok, Session} end),
Channel = emqx_channel:set_field(timers, #{await_timer => TRef}, channel()),
{ok, _Chan} = emqx_channel:handle_timeout(TRef, expire_awaiting_rel, Channel).
t_handle_timeout_expire_session(_) ->
TRef = make_ref(),
Channel = emqx_channel:set_field(timers, #{expire_timer => TRef}, channel()),
{shutdown, expired, _Chan} = emqx_channel:handle_timeout(TRef, expire_session, Channel).
t_handle_timeout_will_message(_) ->
{ok, _Chan} = emqx_channel:handle_timeout(make_ref(), will_message, channel()).
%%--------------------------------------------------------------------
%% Test cases for internal functions
%%--------------------------------------------------------------------
t_enrich_conninfo(_) ->
{ok, _Chan} = emqx_channel:enrich_conninfo(connpkt(), channel()).
t_enrich_client(_) ->
{ok, _ConnPkt, _Chan} = emqx_channel:enrich_client(connpkt(), channel()).
t_auth_connect(_) ->
{ok, _, _Chan} = emqx_channel:authenticate(?CONNECT_PACKET(connpkt()), channel()).
t_process_alias(_) ->
Publish = #mqtt_packet_publish{topic_name = <<>>, properties = #{'Topic-Alias' => 1}},
Channel = emqx_channel:set_field(topic_aliases, #{inbound => #{1 => <<"t">>}}, channel()),
{ok, #mqtt_packet{variable = #mqtt_packet_publish{topic_name = <<"t">>}}, _Chan} =
emqx_channel:process_alias(#mqtt_packet{variable = Publish}, Channel).
t_process_alias_inexistent_alias(_) ->
Publish = #mqtt_packet_publish{topic_name = <<>>, properties = #{'Topic-Alias' => 1}},
Channel = channel(),
?assertEqual(
{error, ?RC_PROTOCOL_ERROR},
emqx_channel:process_alias(#mqtt_packet{variable = Publish}, Channel)
).
t_packing_alias(_) ->
Packet1 = #mqtt_packet{
variable = #mqtt_packet_publish{
topic_name = <<"x">>,
properties = #{'User-Property' => [{<<"k">>, <<"v">>}]}
}
},
Packet2 = #mqtt_packet{variable = #mqtt_packet_publish{topic_name = <<"y">>}},
Channel = emqx_channel:set_field(alias_maximum, #{outbound => 1}, channel()),
{RePacket1, NChannel1} = emqx_channel:packing_alias(Packet1, Channel),
?assertEqual(
#mqtt_packet{
variable = #mqtt_packet_publish{
topic_name = <<"x">>,
properties = #{
'Topic-Alias' => 1,
'User-Property' => [{<<"k">>, <<"v">>}]
}
}
},
RePacket1
),
{RePacket2, NChannel2} = emqx_channel:packing_alias(Packet1, NChannel1),