test(proper): spefic the nodename for checking

test/props/prop_emqx_rpc.erl

@@ -19,6 +19,8 @@
 -include_lib("proper/include/proper.hrl").
 -include_lib("eunit/include/eunit.hrl").
 
+-define(NODENAME, 'test@127.0.0.1').
+
 -define(ALL(Vars, Types, Exprs),
         ?SETUP(fun() ->
             State = do_setup(),
@@ -30,8 +32,9 @@
 %%--------------------------------------------------------------------
 
 prop_node() ->
-    ?ALL(Node, nodename(),
+    ?ALL(Node0, nodename(),
          begin
+             Node = punch(Node0),
              ?assert(emqx_rpc:cast(Node, erlang, system_time, [])),
              case emqx_rpc:call(Node, erlang, system_time, []) of
                  {badrpc, _Reason} -> true;
@@ -41,8 +44,9 @@ prop_node() ->
          end).
 
 prop_node_with_key() ->
-    ?ALL({Node, Key}, nodename_with_key(),
+    ?ALL({Node0, Key}, nodename_with_key(),
          begin
+             Node = punch(Node0),
              ?assert(emqx_rpc:cast(Key, Node, erlang, system_time, [])),
              case emqx_rpc:call(Key, Node, erlang, system_time, []) of
                  {badrpc, _Reason} -> true;
@@ -52,8 +56,9 @@ prop_node_with_key() ->
          end).
 
 prop_nodes() ->
-    ?ALL(Nodes, nodesname(),
+    ?ALL(Nodes0, nodesname(),
          begin
+             Nodes = punch(Nodes0),
              case emqx_rpc:multicall(Nodes, erlang, system_time, []) of
                  {badrpc, _Reason} -> true;
                  {RealResults, RealBadNodes}
@@ -65,8 +70,9 @@ prop_nodes() ->
          end).
 
 prop_nodes_with_key() ->
-    ?ALL({Nodes, Key}, nodesname_with_key(),
+    ?ALL({Nodes0, Key}, nodesname_with_key(),
          begin
+             Nodes = punch(Nodes0),
              case emqx_rpc:multicall(Key, Nodes, erlang, system_time, []) of
                  {badrpc, _Reason} -> true;
                  {RealResults, RealBadNodes}
@@ -82,9 +88,10 @@ prop_nodes_with_key() ->
 %%--------------------------------------------------------------------
 
 do_setup() ->
+    {ok, _} = net_kernel:start([?NODENAME]),
+    ok = logger:set_primary_config(#{level => warning}),
     {ok, _Apps} = application:ensure_all_started(gen_rpc),
     ok = application:set_env(gen_rpc, call_receive_timeout, 1),
-    ok = emqx_logger:set_log_level(emergency),
     ok = meck:new(gen_rpc, [passthrough, no_history]),
     ok = meck:expect(gen_rpc, multicall,
                      fun(Nodes, Mod, Fun, Args) ->
@@ -92,7 +99,7 @@ do_setup() ->
                      end).
 
 do_teardown(_) ->
-    ok = emqx_logger:set_log_level(debug),
+    ok = net_kernel:stop(),
     ok = application:stop(gen_rpc),
     ok = meck:unload(gen_rpc).
 
@@ -100,6 +107,7 @@ do_teardown(_) ->
 %% Generator
 %%--------------------------------------------------------------------
 
+
 nodename() ->
     ?LET({NodePrefix, HostName},
          {node_prefix(), hostname()},
@@ -130,3 +138,17 @@ text_like() ->
 
 hostname() ->
     oneof(["127.0.0.1", "localhost"]).
+
+%%--------------------------------------------------------------------
+%% Utils
+%%--------------------------------------------------------------------
+
+%% After running the props, the `node()` () is only able to return an
+%% incorrect node name - `nonode@nohost`, But we want a distributed nodename
+%% So, just translate the `nonode@nohost` to ?NODENAME
+punch(Nodes) when is_list(Nodes) ->
+    lists:map(fun punch/1, Nodes);
+punch('nonode@nohost') ->
+    node();  %% Equal to ?NODENAME
+punch(GoodBoy) ->
+    GoodBoy.