backend/app/controllers/users_controller.rb

@@ -59,7 +59,7 @@ class UsersController < ApplicationController
 
   def attach_ip_address! user
     ip_bin = IPAddr.new(request.remote_ip).hton
-    ip_address = IpAddress.find_or_create_by!(ip_address: ip_bin)
+    ip_address = IpAddress.create_or_find_by!(ip_address: ip_bin)
 
     UserIp.create_or_find_by!(user:, ip_address:)
   end

backend/spec/requests/users_spec.rb

@@ -1,11 +1,10 @@
 require "rails_helper"
 
-
 RSpec.describe "Users", type: :request do
   describe "POST /users" do
     it "creates guest user and returns code" do
       post "/users"
-      expect(response).to have_http_status(:ok)
+      expect(response).to have_http_status(:created)
       expect(json["code"]).to be_present
       expect(json["user"]["role"]).to eq("guest")
     end
@@ -38,7 +37,7 @@ RSpec.describe "Users", type: :request do
       sign_in_as(user)
       put "/users/#{user.id}", params: { name: "new-name" }
 
-      expect(response).to have_http_status(:created)
+      expect(response).to have_http_status(:ok)
       expect(json["id"]).to eq(user.id)
       expect(json["name"]).to eq("new-name")