From f92b8bb7fb23550044540ac813622af4787ab55e Mon Sep 17 00:00:00 2001
From: Rory Z <rory-z@outlook.com>
Date: Mon, 5 Jul 2021 11:09:47 +0800
Subject: [PATCH] chore(authz): add test case

---
 .../test/emqx_authz_mongo_SUITE.erl           | 112 ++++++++++++++++++
 1 file changed, 112 insertions(+)
 create mode 100644 apps/emqx_authz/test/emqx_authz_mongo_SUITE.erl

diff --git a/apps/emqx_authz/test/emqx_authz_mongo_SUITE.erl b/apps/emqx_authz/test/emqx_authz_mongo_SUITE.erl
new file mode 100644
index 000000000..daf4d1722
--- /dev/null
+++ b/apps/emqx_authz/test/emqx_authz_mongo_SUITE.erl
@@ -0,0 +1,112 @@
+%%--------------------------------------------------------------------
+%% Copyright (c) 2020-2021 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_authz_mongo_SUITE).
+
+-compile(nowarn_export_all).
+-compile(export_all).
+
+-include("emqx_authz.hrl").
+-include_lib("eunit/include/eunit.hrl").
+-include_lib("common_test/include/ct.hrl").
+
+all() ->
+    emqx_ct:all(?MODULE).
+
+groups() ->
+    [].
+
+init_per_suite(Config) ->
+    meck:new(emqx_resource, [non_strict, passthrough, no_history, no_link]),
+    meck:expect(emqx_resource, check_and_create, fun(_, _, _) -> {ok, meck_data} end ),
+    ok = emqx_ct_helpers:start_apps([emqx_authz], fun set_special_configs/1),
+    Config.
+
+end_per_suite(_Config) ->
+    file:delete(filename:join(emqx:get_env(plugins_etc_dir), 'authz.conf')),
+    emqx_ct_helpers:stop_apps([emqx_authz, emqx_resource]),
+    meck:unload(emqx_resource).
+
+set_special_configs(emqx) ->
+    application:set_env(emqx, allow_anonymous, true),
+    application:set_env(emqx, enable_acl_cache, false),
+    application:set_env(emqx, acl_nomatch, deny),
+    application:set_env(emqx, plugins_loaded_file,
+                        emqx_ct_helpers:deps_path(emqx, "test/loaded_plguins")),
+    ok;
+set_special_configs(emqx_authz) ->
+    Rules = [#{config =>#{},
+               principal => all,
+               collection => <<"fake">>,
+               find => #{<<"a">> => <<"b">>},
+               type => mongo}
+            ],
+    emqx_config:put([emqx_authz], #{rules => Rules}),
+    ok;
+set_special_configs(_App) ->
+    ok.
+
+-define(RULE1,[#{<<"topics">> => [<<"#">>],
+                 <<"permission">> => <<"deny">>,
+                 <<"action">> => <<"all">>}]).
+-define(RULE2,[#{<<"topics">> => [<<"eq #">>],
+                 <<"permission">> => <<"allow">>,
+                 <<"action">> => <<"all">>}]).
+-define(RULE3,[#{<<"topics">> => [<<"test/%c">>],
+                 <<"permission">> => <<"allow">>,
+                 <<"action">> => <<"subscribe">>}]).
+-define(RULE4,[#{<<"topics">> => [<<"test/%u">>],
+                 <<"permission">> => <<"allow">>,
+                 <<"action">> => <<"publish">>}]).
+
+%%------------------------------------------------------------------------------
+%% Testcases
+%%------------------------------------------------------------------------------
+
+t_authz(_) ->
+    ClientInfo1 = #{clientid => <<"test">>,
+                    username => <<"test">>,
+                    peerhost => {127,0,0,1}
+                   },
+    ClientInfo2 = #{clientid => <<"test_clientid">>,
+                    username => <<"test_username">>,
+                    peerhost => {192,168,0,10}
+                   },
+    ClientInfo3 = #{clientid => <<"test_clientid">>,
+                    username => <<"fake_username">>,
+                    peerhost => {127,0,0,1}
+                   },
+
+    meck:expect(emqx_resource, query, fun(_, _) -> [] end),
+    ?assertEqual(deny, emqx_access_control:authorize(ClientInfo1, subscribe, <<"#">>)), % nomatch
+    ?assertEqual(deny, emqx_access_control:authorize(ClientInfo1, publish, <<"#">>)), % nomatch
+
+    meck:expect(emqx_resource, query, fun(_, _) -> ?RULE1 ++ ?RULE2 end),
+    ?assertEqual(deny, emqx_access_control:authorize(ClientInfo1, subscribe, <<"+">>)),
+    ?assertEqual(deny, emqx_access_control:authorize(ClientInfo1, publish, <<"+">>)),
+
+    meck:expect(emqx_resource, query, fun(_, _) -> ?RULE2 ++ ?RULE1 end),
+    ?assertEqual(allow, emqx_access_control:authorize(ClientInfo1, subscribe, <<"#">>)),
+    ?assertEqual(deny, emqx_access_control:authorize(ClientInfo1, subscribe, <<"+">>)),
+
+    meck:expect(emqx_resource, query, fun(_, _) -> ?RULE3 ++ ?RULE4 end),
+    ?assertEqual(allow, emqx_access_control:authorize(ClientInfo2, subscribe, <<"test/test_clientid">>)),
+    ?assertEqual(deny,  emqx_access_control:authorize(ClientInfo2, publish,   <<"test/test_clientid">>)),
+    ?assertEqual(deny,  emqx_access_control:authorize(ClientInfo2, subscribe, <<"test/test_username">>)),
+    ?assertEqual(allow, emqx_access_control:authorize(ClientInfo2, publish,   <<"test/test_username">>)),
+    ?assertEqual(deny,  emqx_access_control:authorize(ClientInfo3, subscribe, <<"test">>)), % nomatch
+    ?assertEqual(deny,  emqx_access_control:authorize(ClientInfo3, publish,   <<"test">>)), % nomatch
+    ok.
+