test: add RSpec configuration and support files

- Configure RSpec with DatabaseCleaner and FactoryBot
- Add SimpleCov for code coverage
- Add Shoulda Matchers configuration
- Create request spec helper with JWT authentication
- Set up test database cleaning strategy

Author: Bulletdev

spec/rails_helper.rb

@@ -0,0 +1,67 @@
+# This file is copied to spec/ when you run 'rails generate rspec:install'
+require 'spec_helper'
+ENV['RAILS_ENV'] ||= 'test'
+require_relative '../config/environment'
+# Prevent database truncation if the environment is production
+abort("The Rails environment is running in production mode!") if Rails.env.production?
+require 'rspec/rails'
+
+# Requires supporting ruby files with custom matchers and macros, etc, in
+# spec/support/ and its subdirectories.
+Dir[Rails.root.join('spec', 'support', '**', '*.rb')].sort.each { |f| require f }
+
+# Checks for pending migrations and applies them before tests are run.
+begin
+  ActiveRecord::Migration.maintain_test_schema!
+rescue ActiveRecord::PendingMigrationError => e
+  abort e.to_s.strip
+end
+
+RSpec.configure do |config|
+  # Remove this line if you're not using ActiveRecord or ActiveRecord fixtures
+  config.fixture_path = "#{::Rails.root}/spec/fixtures"
+
+  # If you're not using ActiveRecord, or you'd prefer not to run each of your
+  # examples within a transaction, remove the following line or assign false
+  # instead of true.
+  config.use_transactional_fixtures = true
+
+  # You can uncomment this line to turn off ActiveRecord support entirely.
+  # config.use_active_record = false
+
+  config.infer_spec_type_from_file_location!
+
+  # Filter lines from Rails gems in backtraces.
+  config.filter_rails_from_backtrace!
+
+  # Include FactoryBot methods
+  config.include FactoryBot::Syntax::Methods
+
+  # Include request helpers
+  config.include RequestSpecHelper, type: :request
+
+  # Database cleaner
+  config.before(:suite) do
+    DatabaseCleaner.clean_with(:truncation)
+  end
+
+  config.before(:each) do
+    DatabaseCleaner.strategy = :transaction
+  end
+
+  config.before(:each) do
+    DatabaseCleaner.start
+  end
+
+  config.after(:each) do
+    DatabaseCleaner.clean
+  end
+end
+
+# Shoulda Matchers configuration
+Shoulda::Matchers.configure do |config|
+  config.integrate do |with|
+    with.test_framework :rspec
+    with.library :rails
+  end
+end

spec/spec_helper.rb

@@ -0,0 +1,30 @@
+require 'simplecov'
+SimpleCov.start 'rails' do
+  add_filter '/bin/'
+  add_filter '/db/'
+  add_filter '/spec/'
+  add_filter '/config/'
+end
+
+RSpec.configure do |config|
+  config.expect_with :rspec do |expectations|
+    expectations.include_chain_clauses_in_custom_matcher_descriptions = true
+  end
+
+  config.mock_with :rspec do |mocks|
+    mocks.verify_partial_doubles = true
+  end
+
+  config.shared_context_metadata_behavior = :apply_to_host_groups
+  config.filter_run_when_matching :focus
+  config.example_status_persistence_file_path = "spec/examples.txt"
+  config.disable_monkey_patching!
+
+  if config.files_to_run.one?
+    config.default_formatter = "doc"
+  end
+
+  config.profile_examples = 10
+  config.order = :random
+  Kernel.srand config.seed
+end

spec/support/request_spec_helper.rb

@@ -0,0 +1,19 @@
+module RequestSpecHelper
+  # Helper method to generate JWT token for testing
+  def auth_token(user)
+    Authentication::Services::JwtService.encode(user_id: user.id)
+  end
+
+  # Helper method to set authentication headers
+  def auth_headers(user)
+    {
+      'Authorization' => "Bearer #{auth_token(user)}",
+      'Content-Type' => 'application/json'
+    }
+  end
+
+  # Helper to parse JSON response
+  def json_response
+    JSON.parse(response.body, symbolize_names: true)
+  end
+end