Cleanup work

test/birdy_chat_web/api/messages_test.exs

@@ -15,6 +15,16 @@ defmodule BirdyChatWeb.Api.MessagesTest do
   end
 
   describe "POST /api/messages to other server" do
+    test "returns error when the peer is down", %{conn: conn, url: url} do
+      message = %{from: "test1-user", to: "test2-user", message: "123"}
+      Req.Test.expect(BirdyChat.Dispatcher, &Req.Test.transport_error(&1, :econnrefused))
+
+      payload = Jason.encode!(message)
+      conn = post(conn, url, payload)
+      assert result = json_response(conn, :unprocessable_entity)
+      assert result == %{"errors" => %{"general" => "peer test2 is unreachable"}}
+    end
+
     test "returns error when a peer is unknown", %{conn: conn, url: url} do
       message = %{from: "test1-user", to: "fake-user", message: "123"}
 
@@ -50,7 +60,7 @@ defmodule BirdyChatWeb.Api.MessagesTest do
         {"authorization", token} =
           Enum.find(conn.req_headers, fn {key, _v} -> key == "authorization" end)
 
-        {:ok, "test2-user"} =
+        {:ok, "test1-user"} =
           Phoenix.Token.verify(BirdyChatWeb.Endpoint, "serverAuth", token, max_age: 1200)
 
         assert conn.body_params == expected_body_params