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emqx_message_SUITE.erl
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%%--------------------------------------------------------------------
%% Copyright (c) 2018-2021 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_message_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").
all() -> emqx_ct:all(?MODULE).
suite() ->
[{ct_hooks, [cth_surefire]}, {timetrap, {seconds, 30}}].
t_make(_) ->
Msg = emqx_message:make(<<"topic">>, <<"payload">>),
?assertEqual(?QOS_0, emqx_message:qos(Msg)),
?assertEqual(undefined, emqx_message:from(Msg)),
?assertEqual(<<"payload">>, emqx_message:payload(Msg)),
Msg1 = emqx_message:make(<<"clientid">>, <<"topic">>, <<"payload">>),
?assertEqual(?QOS_0, emqx_message:qos(Msg1)),
?assertEqual(<<"topic">>, emqx_message:topic(Msg1)),
Msg2 = emqx_message:make(<<"clientid">>, ?QOS_2, <<"topic">>, <<"payload">>),
?assert(is_binary(emqx_message:id(Msg2))),
?assertEqual(?QOS_2, emqx_message:qos(Msg2)),
?assertEqual(<<"clientid">>, emqx_message:from(Msg2)),
?assertEqual(<<"topic">>, emqx_message:topic(Msg2)),
?assertEqual(<<"payload">>, emqx_message:payload(Msg2)).
t_id(_) ->
Msg = emqx_message:make(<<"topic">>, <<"payload">>),
?assert(is_binary(emqx_message:id(Msg))).
t_qos(_) ->
Msg = emqx_message:make(<<"topic">>, <<"payload">>),
?assertEqual(?QOS_0, emqx_message:qos(Msg)),
Msg1 = emqx_message:make(id, ?QOS_1, <<"t">>, <<"payload">>),
?assertEqual(?QOS_1, emqx_message:qos(Msg1)),
Msg2 = emqx_message:make(id, ?QOS_2, <<"t">>, <<"payload">>),
?assertEqual(?QOS_2, emqx_message:qos(Msg2)).
t_topic(_) ->
Msg = emqx_message:make(<<"t">>, <<"payload">>),
?assertEqual(<<"t">>, emqx_message:topic(Msg)).
t_payload(_) ->
Msg = emqx_message:make(<<"t">>, <<"payload">>),
?assertEqual(<<"payload">>, emqx_message:payload(Msg)).
t_timestamp(_) ->
Msg = emqx_message:make(<<"t">>, <<"payload">>),
timer:sleep(1),
?assert(erlang:system_time(millisecond) > emqx_message:timestamp(Msg)).
t_is_sys(_) ->
Msg0 = emqx_message:make(<<"t">>, <<"payload">>),
?assertNot(emqx_message:is_sys(Msg0)),
Msg1 = emqx_message:set_flag(sys, Msg0),
?assert(emqx_message:is_sys(Msg1)),
Msg2 = emqx_message:make(<<"$SYS/events">>, <<"payload">>),
?assert(emqx_message:is_sys(Msg2)).
t_clean_dup(_) ->
Msg = emqx_message:make(<<"topic">>, <<"payload">>),
?assertNot(emqx_message:get_flag(dup, Msg)),
Msg = emqx_message:clean_dup(Msg),
Msg1 = emqx_message:set_flag(dup, Msg),
?assert(emqx_message:get_flag(dup, Msg1)),
Msg2 = emqx_message:clean_dup(Msg1),
?assertNot(emqx_message:get_flag(dup, Msg2)).
t_get_set_flags(_) ->
Msg = #message{id = <<"id">>, qos = ?QOS_1},
Msg1 = emqx_message:set_flags(#{retain => true}, Msg),
?assertEqual(#{retain => true}, emqx_message:get_flags(Msg1)),
Msg2 = emqx_message:set_flags(#{dup => true}, Msg1),
?assertEqual(#{retain => true, dup => true}, emqx_message:get_flags(Msg2)).
t_get_set_flag(_) ->
Msg = emqx_message:make(<<"clientid">>, <<"topic">>, <<"payload">>),
?assertNot(emqx_message:get_flag(dup, Msg)),
?assertNot(emqx_message:get_flag(retain, Msg)),
Msg1 = emqx_message:set_flag(dup, true, Msg),
Msg2 = emqx_message:set_flag(retain, true, Msg1),
Msg3 = emqx_message:set_flag(dup, Msg2),
?assert(emqx_message:get_flag(dup, Msg3)),
?assert(emqx_message:get_flag(retain, Msg3)),
Msg4 = emqx_message:unset_flag(dup, Msg3),
Msg5 = emqx_message:unset_flag(retain, Msg4),
Msg5 = emqx_message:unset_flag(badflag, Msg5),
?assertEqual(undefined, emqx_message:get_flag(dup, Msg5, undefined)),
?assertEqual(undefined, emqx_message:get_flag(retain, Msg5, undefined)),
Msg6 = emqx_message:set_flags(#{dup => true, retain => true}, Msg5),
?assert(emqx_message:get_flag(dup, Msg6)),
?assert(emqx_message:get_flag(retain, Msg6)),
Msg7 = #message{id = <<"id">>, qos = ?QOS_1},
Msg8 = emqx_message:set_flag(retain, Msg7),
Msg9 = emqx_message:set_flag(retain, true, Msg7),
?assertEqual(#{retain => true}, emqx_message:get_flags(Msg8)),
?assertEqual(#{retain => true}, emqx_message:get_flags(Msg9)).
t_get_set_headers(_) ->
Msg = emqx_message:make(<<"clientid">>, <<"topic">>, <<"payload">>),
Msg1 = emqx_message:set_headers(#{a => 1, b => 2}, Msg),
Msg2 = emqx_message:set_headers(#{c => 3}, Msg1),
?assertEqual(#{a => 1, b => 2, c => 3}, emqx_message:get_headers(Msg2)).
t_get_set_header(_) ->
Msg = emqx_message:make(<<"clientid">>, <<"topic">>, <<"payload">>),
Msg = emqx_message:remove_header(x, Msg),
?assertEqual(undefined, emqx_message:get_header(a, Msg)),
Msg1 = emqx_message:set_header(a, 1, Msg),
Msg2 = emqx_message:set_header(b, 2, Msg1),
Msg3 = emqx_message:set_header(c, 3, Msg2),
?assertEqual(1, emqx_message:get_header(a, Msg3)),
?assertEqual(4, emqx_message:get_header(d, Msg2, 4)),
Msg4 = emqx_message:remove_header(a, Msg3),
Msg4 = emqx_message:remove_header(a, Msg4),
?assertEqual(#{b => 2, c => 3}, emqx_message:get_headers(Msg4)).
t_undefined_headers(_) ->
Msg = #message{id = <<"id">>, qos = ?QOS_0},
Msg1 = emqx_message:set_headers(#{a => 1, b => 2}, Msg),
?assertEqual(1, emqx_message:get_header(a, Msg1)),
Msg2 = emqx_message:set_header(c, 3, Msg),
?assertEqual(3, emqx_message:get_header(c, Msg2)).
t_format(_) ->
Msg = emqx_message:make(<<"clientid">>, <<"topic">>, <<"payload">>),
io:format("~s~n", [emqx_message:format(Msg)]),
Msg1 = emqx_message:set_header(properties, #{'Subscription-Identifier' => 1},
emqx_message:set_flag(dup, Msg)),
io:format("~s~n", [emqx_message:format(Msg1)]).
t_is_expired(_) ->
Msg = emqx_message:make(<<"clientid">>, <<"topic">>, <<"payload">>),
?assertNot(emqx_message:is_expired(Msg)),
Msg1 = emqx_message:set_headers(#{properties => #{'Message-Expiry-Interval' => 1}}, Msg),
timer:sleep(500),
?assertNot(emqx_message:is_expired(Msg1)),
timer:sleep(600),
?assert(emqx_message:is_expired(Msg1)),
timer:sleep(1000),
Msg = emqx_message:update_expiry(Msg),
Msg2 = emqx_message:update_expiry(Msg1),
Props = emqx_message:get_header(properties, Msg2),
?assertEqual(1, maps:get('Message-Expiry-Interval', Props)).
% t_to_list(_) ->
% error('TODO').
t_to_packet(_) ->
Pkt = #mqtt_packet{header = #mqtt_packet_header{type = ?PUBLISH,
qos = ?QOS_0,
retain = false,
dup = false
},
variable = #mqtt_packet_publish{topic_name = <<"topic">>,
packet_id = 10,
properties = #{}
},
payload = <<"payload">>
},
Msg = emqx_message:make(<<"clientid">>, ?QOS_0, <<"topic">>, <<"payload">>),
?assertEqual(Pkt, emqx_message:to_packet(10, Msg)).
t_to_packet_with_props(_) ->
Props = #{'Subscription-Identifier' => 1},
Pkt = #mqtt_packet{header = #mqtt_packet_header{type = ?PUBLISH,
qos = ?QOS_0,
retain = false,
dup = false
},
variable = #mqtt_packet_publish{topic_name = <<"topic">>,
packet_id = 10,
properties = Props
},
payload = <<"payload">>
},
Msg = emqx_message:make(<<"clientid">>, ?QOS_0, <<"topic">>, <<"payload">>),
Msg1 = emqx_message:set_header(properties, #{'Subscription-Identifier' => 1}, Msg),
?assertEqual(Pkt, emqx_message:to_packet(10, Msg1)).
t_to_map(_) ->
Msg = emqx_message:make(<<"clientid">>, ?QOS_1, <<"topic">>, <<"payload">>),
List = [{id, emqx_message:id(Msg)},
{qos, ?QOS_1},
{from, <<"clientid">>},
{flags, #{}},
{headers, #{}},
{topic, <<"topic">>},
{payload, <<"payload">>},
{timestamp, emqx_message:timestamp(Msg)}],
?assertEqual(List, emqx_message:to_list(Msg)),
?assertEqual(maps:from_list(List), emqx_message:to_map(Msg)).
t_from_map(_) ->
Msg = emqx_message:make(<<"clientid">>, ?QOS_1, <<"topic">>, <<"payload">>),
Map = #{id => emqx_message:id(Msg),
qos => ?QOS_1,
from => <<"clientid">>,
flags => #{},
headers => #{},
topic => <<"topic">>,
payload => <<"payload">>,
timestamp => emqx_message:timestamp(Msg)},
?assertEqual(Map, emqx_message:to_map(Msg)),
?assertEqual(Msg, emqx_message:from_map(emqx_message:to_map(Msg))).