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Testing Devise Authentication Integration Workflow in heartcombo/devise

This integration test suite demonstrates authentication workflow testing in a Rails application using Devise and Minitest. It sets up a minimal Rails environment with Devise authentication and validates user login functionality through integration testing.

Test Coverage Overview

The test suite covers essential Devise authentication flows in a Rails application environment.

User authentication validation
Session management testing
Route protection verification
Warden integration testing

Implementation Analysis

The implementation uses Minitest’s integration testing framework with Rack::Test for HTTP request simulation. The approach leverages Warden test helpers for authentication state management, demonstrating proper separation of concerns between authentication logic and application functionality.

Rack::Test methods for request handling
Warden test mode configuration
Rails integration test patterns

Technical Details

Minitest testing framework
SQLite in-memory database
Devise 4.0 authentication
Rails 4.2 application setup
Warden middleware configuration
ActiveRecord migrations

Best Practices Demonstrated

The test implementation showcases several testing best practices for Rails authentication workflows.

Isolated test environment setup
Proper middleware configuration
Helper method inclusion
Clean database state management
Explicit authentication state handling

heartcombo/devise

guides/bug_report_templates/integration_test.rb

            
# frozen_string_literal: true

begin
  require 'bundler/inline'
rescue LoadError => e
  $stderr.puts 'Bundler version 1.10 or later is required. Please update your Bundler'
  raise e
end

gemfile(true) do
  source 'https://rubygems.org'
  # Activate the gem you are reporting the issue against.
  gem 'rails', '~> 4.2.0'
  gem 'devise', '~> 4.0'
  gem 'sqlite3'
  gem 'byebug'
end

require 'rack/test'
require 'action_controller/railtie'
require 'active_record'
require 'devise/rails/routes'
require 'devise/rails/warden_compat'

ActiveRecord::Base.establish_connection( adapter: :sqlite3, database:  ':memory:')

class DeviseCreateUsers < ActiveRecord::Migration
  def change
    create_table(:users) do |t|
      t.string :email,              null: false
      t.string :encrypted_password, null: true
      t.timestamps null: false
    end

  end
end

Devise.setup do |config|
  require 'devise/orm/active_record'
  config.secret_key = 'secret_key_base'
end

class TestApp < Rails::Application
  config.root = File.dirname(__FILE__)
  config.session_store :cookie_store, key: 'cookie_store_key'
  secrets.secret_token    = 'secret_token'
  secrets.secret_key_base = 'secret_key_base'
  config.eager_load = false

  config.middleware.use Warden::Manager do |config|
    Devise.warden_config = config
  end

  config.logger = Logger.new($stdout)
  Rails.logger  = config.logger

end

Rails.application.initialize!

DeviseCreateUsers.migrate(:up)

class User < ActiveRecord::Base
  devise :database_authenticatable
end

Rails.application.routes.draw do
  devise_for :users

  get '/' => 'test#index'
end

class ApplicationController < ActionController::Base
end

class TestController < ApplicationController
  include Rails.application.routes.url_helpers

  before_action :authenticate_user!

  def index
    render plain: 'Home'
  end
end

require 'minitest/autorun'

class BugTest < ActionDispatch::IntegrationTest
  include Rack::Test::Methods
  include Warden::Test::Helpers

  def test_returns_success
    Warden.test_mode!

    login_as User.create!(email: '[email protected]', password: 'test123456', password_confirmation: 'test123456')

    get '/'
    assert last_response.ok?
  end

  private

  def app
    Rails.application
  end
end