testing channels

backend/lib/backend/game_runner.ex

@@ -46,6 +46,10 @@ defmodule Backend.GameRunner do
     GenServer.call(@name, :get_state)
   end
 
+  def get_node_name do
+    GenServer.call(@name, :get_node_name)
+  end
+
   # Server Callbacks
 
   @impl true
@@ -137,6 +141,11 @@ defmodule Backend.GameRunner do
     {:reply, state, state}
   end
 
+  @impl true
+  def handle_call(:get_node_name, _from, state) do
+    {:reply, node(), state}
+  end
+
   defp broadcast_state(state) do
     Phoenix.PubSub.broadcast(Backend.PubSub, "game_state", {:game_state_updated, state})
     state