Add factory_bot_rails gem and create user_spec.rb and users.rb factory

Author: tuanle03

Gemfile

@@ -56,6 +56,7 @@ group :development, :test do
   # See https://guides.rubyonrails.org/debugging_rails_applications.html#debugging-with-the-debug-gem
   gem "debug", platforms: %i[ mri mingw x64_mingw ]
   gem 'rspec-rails'
+  gem 'factory_bot_rails'
 end
 
 group :development do

Gemfile.lock

@@ -108,6 +108,11 @@ GEM
       concurrent-ruby (~> 1.0)
       zeitwerk (~> 2.6)
     erubi (1.12.0)
+    factory_bot (6.4.2)
+      activesupport (>= 5.0.0)
+    factory_bot_rails (6.4.2)
+      factory_bot (~> 6.4)
+      railties (>= 5.0.0)
     globalid (1.2.1)
       activesupport (>= 6.1)
     i18n (1.14.1)
@@ -273,6 +278,7 @@ DEPENDENCIES
   debug
   devise
   devise-jwt
+  factory_bot_rails
   importmap-rails
   jbuilder
   puma (~> 5.0)

app/models/user.rb

@@ -7,6 +7,6 @@ class User < ApplicationRecord
 
   def generate_jwt
     payload = { user_id: id, exp: 1.day.from_now.to_i }
-    JWT::Encoder.encode(payload, Rails.application.credentials.devise_jwt_secret_key)
+    JWT.encode(payload, Rails.application.credentials.devise_jwt_secret_key, 'HS256')
   end
 end

spec/factories/users.rb

@@ -0,0 +1,6 @@
+FactoryBot.define do
+  factory :user do
+    email { '[email protected]' }
+    password { 'password123' }
+  end
+end

spec/models/user_spec.rb

@@ -0,0 +1,14 @@
+require 'rails_helper'
+
+RSpec.describe User, type: :model do
+  describe 'generate_jwt' do
+    it 'generates a valid JWT token' do
+      user = create(:user) # Use FactoryBot to create a user
+
+      jwt_token = user.generate_jwt
+
+      decoded_token = JWT.decode(jwt_token, Rails.application.credentials.devise_jwt_secret_key, true, algorithm: 'HS256')
+      expect(decoded_token[0]['user_id']).to eq(user.id)
+    end
+  end
+end

spec/rails_helper.rb

@@ -38,6 +38,8 @@
   # instead of true.
   config.use_transactional_fixtures = true
 
+  config.include FactoryBot::Syntax::Methods
+
   # You can uncomment this line to turn off ActiveRecord support entirely.
   # config.use_active_record = false