test: refactor to use hocon and schema

lib-ee/emqx_ee_bridge/test/emqx_ee_bridge_mongodb_SUITE.erl

@@ -40,15 +40,16 @@ init_per_group(Type = rs, Config) ->
     MongoPort = list_to_integer(os:getenv("MONGO_RS_PORT", "27017")),
     case emqx_common_test_helpers:is_tcp_server_available(MongoHost, MongoPort) of
         true ->
-            _ = application:load(emqx_ee_bridge),
-            _ = emqx_ee_bridge:module_info(),
+            ensure_loaded(),
             ok = emqx_common_test_helpers:start_apps([emqx_conf, emqx_bridge]),
             emqx_mgmt_api_test_util:init_suite(),
-            MongoConfig = mongo_config(MongoHost, MongoPort, Type),
+            {Name, MongoConfig} = mongo_config(MongoHost, MongoPort, Type),
             [
                 {mongo_host, MongoHost},
                 {mongo_port, MongoPort},
-                {mongo_config, MongoConfig}
+                {mongo_config, MongoConfig},
+                {mongo_type, Type},
+                {mongo_name, Name}
                 | Config
             ];
         false ->
@@ -59,15 +60,16 @@ init_per_group(Type = sharded, Config) ->
     MongoPort = list_to_integer(os:getenv("MONGO_SHARDED_PORT", "27017")),
     case emqx_common_test_helpers:is_tcp_server_available(MongoHost, MongoPort) of
         true ->
-            _ = application:load(emqx_ee_bridge),
-            _ = emqx_ee_bridge:module_info(),
+            ensure_loaded(),
             ok = emqx_common_test_helpers:start_apps([emqx_conf, emqx_bridge]),
             emqx_mgmt_api_test_util:init_suite(),
-            MongoConfig = mongo_config(MongoHost, MongoPort, Type),
+            {Name, MongoConfig} = mongo_config(MongoHost, MongoPort, Type),
             [
                 {mongo_host, MongoHost},
                 {mongo_port, MongoPort},
-                {mongo_config, MongoConfig}
+                {mongo_config, MongoConfig},
+                {mongo_type, Type},
+                {mongo_name, Name}
                 | Config
             ];
         false ->
@@ -78,15 +80,16 @@ init_per_group(Type = single, Config) ->
     MongoPort = list_to_integer(os:getenv("MONGO_SINGLE_PORT", "27017")),
     case emqx_common_test_helpers:is_tcp_server_available(MongoHost, MongoPort) of
         true ->
-            _ = application:load(emqx_ee_bridge),
-            _ = emqx_ee_bridge:module_info(),
+            ensure_loaded(),
             ok = emqx_common_test_helpers:start_apps([emqx_conf, emqx_bridge]),
             emqx_mgmt_api_test_util:init_suite(),
-            MongoConfig = mongo_config(MongoHost, MongoPort, Type),
+            {Name, MongoConfig} = mongo_config(MongoHost, MongoPort, Type),
             [
                 {mongo_host, MongoHost},
                 {mongo_port, MongoPort},
-                {mongo_config, MongoConfig}
+                {mongo_config, MongoConfig},
+                {mongo_type, Type},
+                {mongo_name, Name}
                 | Config
             ];
         false ->
@@ -118,65 +121,84 @@ end_per_testcase(_Testcase, Config) ->
 %% Helper fns
 %%------------------------------------------------------------------------------
 
-mongo_config(MongoHost0, MongoPort0, rs) ->
-    MongoHost = list_to_binary(MongoHost0),
-    MongoPort = integer_to_binary(MongoPort0),
-    Servers = <<MongoHost/binary, ":", MongoPort/binary>>,
+ensure_loaded() ->
+    _ = application:load(emqx_ee_bridge),
+    _ = emqx_ee_bridge:module_info(),
+    ok.
+
+mongo_type_bin(rs) ->
+    <<"mongodb_rs">>;
+mongo_type_bin(sharded) ->
+    <<"mongodb_sharded">>;
+mongo_type_bin(single) ->
+    <<"mongodb_single">>.
+
+mongo_config(MongoHost, MongoPort0, rs = Type) ->
+    MongoPort = integer_to_list(MongoPort0),
+    Servers = MongoHost ++ ":" ++ MongoPort,
     Name = atom_to_binary(?MODULE),
-    #{
-        <<"type">> => <<"mongodb_rs">>,
-        <<"name">> => Name,
-        <<"enable">> => true,
-        <<"collection">> => <<"mycol">>,
-        <<"servers">> => Servers,
-        <<"database">> => <<"mqtt">>,
-        <<"w_mode">> => <<"safe">>,
-        <<"replica_set_name">> => <<"rs0">>
-    };
-mongo_config(MongoHost0, MongoPort0, sharded) ->
-    MongoHost = list_to_binary(MongoHost0),
-    MongoPort = integer_to_binary(MongoPort0),
-    Servers = <<MongoHost/binary, ":", MongoPort/binary>>,
+    ConfigString =
+        io_lib:format(
+            "bridges.mongodb_rs.~s {\n"
+            "  enable = true\n"
+            "  collection = mycol\n"
+            "  replica_set_name = rs0\n"
+            "  servers = [~p]\n"
+            "  w_mode = safe\n"
+            "  database = mqtt\n"
+            "}",
+            [Name, Servers]
+        ),
+    {Name, parse_and_check(ConfigString, Type, Name)};
+mongo_config(MongoHost, MongoPort0, sharded = Type) ->
+    MongoPort = integer_to_list(MongoPort0),
+    Servers = MongoHost ++ ":" ++ MongoPort,
     Name = atom_to_binary(?MODULE),
-    #{
-        <<"type">> => <<"mongodb_sharded">>,
-        <<"name">> => Name,
-        <<"enable">> => true,
-        <<"collection">> => <<"mycol">>,
-        <<"servers">> => Servers,
-        <<"database">> => <<"mqtt">>,
-        <<"w_mode">> => <<"safe">>
-    };
-mongo_config(MongoHost0, MongoPort0, single) ->
-    MongoHost = list_to_binary(MongoHost0),
-    MongoPort = integer_to_binary(MongoPort0),
-    Server = <<MongoHost/binary, ":", MongoPort/binary>>,
+    ConfigString =
+        io_lib:format(
+            "bridges.mongodb_sharded.~s {\n"
+            "  enable = true\n"
+            "  collection = mycol\n"
+            "  servers = [~p]\n"
+            "  w_mode = safe\n"
+            "  database = mqtt\n"
+            "}",
+            [Name, Servers]
+        ),
+    {Name, parse_and_check(ConfigString, Type, Name)};
+mongo_config(MongoHost, MongoPort0, single = Type) ->
+    MongoPort = integer_to_list(MongoPort0),
+    Server = MongoHost ++ ":" ++ MongoPort,
     Name = atom_to_binary(?MODULE),
-    #{
-        <<"type">> => <<"mongodb_single">>,
-        <<"name">> => Name,
-        <<"enable">> => true,
-        <<"collection">> => <<"mycol">>,
-        <<"server">> => Server,
-        <<"database">> => <<"mqtt">>,
-        <<"w_mode">> => <<"safe">>
-    }.
-
-create_bridge(Config0 = #{<<"type">> := Type, <<"name">> := Name}) ->
-    Config = maps:without(
-        [
-            <<"type">>,
-            <<"name">>
-        ],
-        Config0
-    ),
-    emqx_bridge:create(Type, Name, Config).
+    ConfigString =
+        io_lib:format(
+            "bridges.mongodb_single.~s {\n"
+            "  enable = true\n"
+            "  collection = mycol\n"
+            "  server = ~p\n"
+            "  w_mode = safe\n"
+            "  database = mqtt\n"
+            "}",
+            [Name, Server]
+        ),
+    {Name, parse_and_check(ConfigString, Type, Name)}.
+
+parse_and_check(ConfigString, Type, Name) ->
+    {ok, RawConf} = hocon:binary(ConfigString, #{format => map}),
+    TypeBin = mongo_type_bin(Type),
+    hocon_tconf:check_plain(emqx_bridge_schema, RawConf, #{required => false, atom_key => false}),
+    #{<<"bridges">> := #{TypeBin := #{Name := Config}}} = RawConf,
+    Config.
+
+create_bridge(Config) ->
+    Type = mongo_type_bin(?config(mongo_type, Config)),
+    Name = ?config(mongo_name, Config),
+    MongoConfig = ?config(mongo_config, Config),
+    emqx_bridge:create(Type, Name, MongoConfig).
 
 delete_bridge(Config) ->
-    #{
-        <<"type">> := Type,
-        <<"name">> := Name
-    } = ?config(mongo_config, Config),
+    Type = mongo_type_bin(?config(mongo_type, Config)),
+    Name = ?config(mongo_name, Config),
     emqx_bridge:remove(Type, Name).
 
 create_bridge_http(Params) ->
@@ -188,11 +210,9 @@ create_bridge_http(Params) ->
     end.
 
 clear_db(Config) ->
-    #{
-        <<"name">> := Name,
-        <<"type">> := Type,
-        <<"collection">> := Collection
-    } = ?config(mongo_config, Config),
+    Type = mongo_type_bin(?config(mongo_type, Config)),
+    Name = ?config(mongo_name, Config),
+    #{<<"collection">> := Collection} = ?config(mongo_config, Config),
     ResourceID = emqx_bridge_resource:resource_id(Type, Name),
     {ok, _, #{state := #{poolname := PoolName}}} = emqx_resource:get_instance(ResourceID),
     Selector = #{},
@@ -202,19 +222,15 @@ clear_db(Config) ->
     ok.
 
 find_all(Config) ->
-    #{
-        <<"name">> := Name,
-        <<"type">> := Type,
-        <<"collection">> := Collection
-    } = ?config(mongo_config, Config),
+    Type = mongo_type_bin(?config(mongo_type, Config)),
+    Name = ?config(mongo_name, Config),
+    #{<<"collection">> := Collection} = ?config(mongo_config, Config),
     ResourceID = emqx_bridge_resource:resource_id(Type, Name),
     emqx_resource:query(ResourceID, {find, Collection, #{}, #{}}).
 
 send_message(Config, Payload) ->
-    #{
-        <<"name">> := Name,
-        <<"type">> := Type
-    } = ?config(mongo_config, Config),
+    Name = ?config(mongo_name, Config),
+    Type = mongo_type_bin(?config(mongo_type, Config)),
     BridgeID = emqx_bridge_resource:bridge_id(Type, Name),
     emqx_bridge:send_message(BridgeID, Payload).
 
@@ -223,10 +239,9 @@ send_message(Config, Payload) ->
 %%------------------------------------------------------------------------------
 
 t_setup_via_config_and_publish(Config) ->
-    MongoConfig = ?config(mongo_config, Config),
     ?assertMatch(
         {ok, _},
-        create_bridge(MongoConfig)
+        create_bridge(Config)
     ),
     Val = erlang:unique_integer(),
     ok = send_message(Config, #{key => Val}),
@@ -237,7 +252,13 @@ t_setup_via_config_and_publish(Config) ->
     ok.
 
 t_setup_via_http_api_and_publish(Config) ->
-    MongoConfig = ?config(mongo_config, Config),
+    Type = mongo_type_bin(?config(mongo_type, Config)),
+    Name = ?config(mongo_name, Config),
+    MongoConfig0 = ?config(mongo_config, Config),
+    MongoConfig = MongoConfig0#{
+        <<"name">> => Name,
+        <<"type">> => Type
+    },
     ?assertMatch(
         {ok, _},
         create_bridge_http(MongoConfig)