Add test case for emqx_connection:attrs/1

Makefile

@@ -35,7 +35,7 @@ EUNIT_OPTS = verbose
 # CT_SUITES = emqx_stats
 ## emqx_trie emqx_router emqx_frame emqx_mqtt_compat
 
-CT_SUITES = emqx emqx_session emqx_access emqx_base62 emqx_broker emqx_client emqx_cm emqx_frame emqx_guid emqx_inflight \
+CT_SUITES = emqx emqx_connection emqx_session emqx_access emqx_base62 emqx_broker emqx_client emqx_cm emqx_frame emqx_guid emqx_inflight \
 			emqx_json emqx_keepalive emqx_lib emqx_metrics emqx_misc emqx_mod emqx_mqtt_caps \
 			emqx_mqtt_compat emqx_mqtt_properties emqx_mqueue emqx_net emqx_pqueue emqx_router emqx_sm \
 			emqx_stats emqx_tables emqx_time emqx_topic emqx_trie emqx_vm emqx_zone emqx_mountpoint

test/emqx_connection_SUITE.erl

@@ -0,0 +1,30 @@
+%% Copyright (c) 2018 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_connection_SUITE).
+
+-compile(export_all).
+-compile(nowarn_export_all).
+
+-include_lib("common_test/include/ct.hrl").
+
+all() -> [t_attrs].
+
+t_attrs(_) ->
+    emqx_ct_broker_helpers:run_setup_steps(),
+    {ok, C, _} = emqx_client:start_link([{host, "localhost"}, {client_id, <<"simpleClient">>}, {username, <<"plain">>}, {password, <<"plain">>}]),
+    [{<<"simpleClient">>, ConnPid}] = emqx_cm:lookup_connection(<<"simpleClient">>),
+    Attrs = emqx_connection:attrs(ConnPid),
+    <<"simpleClient">> = proplists:get_value(client_id, Attrs),
+    <<"plain">> = proplists:get_value(username, Attrs).