thoughtbot--factory_bot_rails/features/load_definitions.feature

Feature: automatically load factory definitions

  Background:
    When I create a new rails application
    And I add "factory_bot_rails" from this project as a dependency
    And I run `bundle install` with a clean environment
    And I write to "db/migrate/1_create_users.rb" with:
      """
      migration_class =
        if ActiveRecord::Migration.respond_to?(:[])
          ActiveRecord::Migration[4.2]
        else
          ActiveRecord::Migration
        end

      class CreateUsers < migration_class
        def self.up
          create_table :users do |t|
            t.string :name
          end
        end
      end
      """
    When I run `bundle exec rake db:migrate` with a clean environment
    And I write to "app/models/user.rb" with:
      """
      class User < ActiveRecord::Base
      end
      """

  Scenario: generate a Rails application and use factory definitions
    When I write to "test/factories.rb" with:
      """
      FactoryBot.define do
        factory :user do
          name { "Frank" }
        end
      end
      """
    When I write to "test/unit/user_test.rb" with:
      """
      require 'test_helper'

      class UserTest < ActiveSupport::TestCase
        test "use factory" do
          user = FactoryBot.create(:user)
          assert_equal 'Frank', user.name
        end
      end
      """
    When I run `bundle exec rake test` with a clean environment
    Then the output should contain "1 assertions, 0 failures, 0 errors"

  Scenario: use custom definition file paths
    When I configure the factories as:
      """
      config.factory_bot.definition_file_paths = ["custom_factories_path"]
      """
    When I write to "custom_factories_path.rb" with:
      """
      FactoryBot.define do
        factory :user do
          name { "Frank" }
        end
      end
      """
    When I write to "test/unit/user_test.rb" with:
      """
      require 'test_helper'

      class UserTest < ActiveSupport::TestCase
        test "use factory" do
          user = FactoryBot.create(:user)
          assert_equal 'Frank', user.name
        end
      end
      """
    When I run `bundle exec rake test` with a clean environment
    Then the output should contain "1 assertions, 0 failures, 0 errors"

  Scenario: use 3rd-party factories with configured definition file paths
    When I append to "config/application.rb" with:
      """
        require File.expand_path('../../lib/some_railtie/railties.rb', __FILE__)
      """
    When I write to "lib/some_railtie/railties.rb" with:
      """
      module SomeRailtie
        class Railtie < ::Rails::Engine
          config.factory_bot.definition_file_paths << File.expand_path('../factories', __FILE__)
        end
      end
      """
    When I write to "lib/some_railtie/factories.rb" with:
      """
      FactoryBot.define do
        factory :factory_from_some_railtie, class: 'User' do
          name { 'Artem' }
        end
      end
      """
    When I write to "test/unit/user_test.rb" with:
      """
      require 'test_helper'

      class UserTest < ActiveSupport::TestCase
        test "use factory of some_railtie" do
          user = FactoryBot.create(:factory_from_some_railtie)
          assert_equal 'Artem', user.name
        end
      end
      """
    When I run `bundle exec rake test` with a clean environment
    Then the output should contain "1 assertions, 0 failures, 0 errors"

  Scenario: use 3rd-party factories with an initializer and without any user-defined factories
    When I append to "config/application.rb" with:
      """
        require File.expand_path('../../lib/some_railtie/railties.rb', __FILE__)
      """
    When I write to "lib/some_railtie/railties.rb" with:
      """
      module SomeRailtie
        class Railtie < ::Rails::Engine
          initializer "some_railtie.factories", :after => "factory_bot.set_factory_paths" do
            FactoryBot.definition_file_paths << File.expand_path('../factories', __FILE__)
          end
        end
      end
      """
    When I write to "lib/some_railtie/factories.rb" with:
      """
      FactoryBot.define do
        factory :factory_from_some_railtie, class: 'User' do
          name { 'Artem' }
        end
      end
      """
    When I write to "test/unit/user_test.rb" with:
      """
      require 'test_helper'

      class UserTest < ActiveSupport::TestCase
        test "use factory of some_railtie" do
          railtie_user = FactoryBot.create(:factory_from_some_railtie)
          assert_equal 'Artem', railtie_user.name
        end
      end
      """
    When I run `bundle exec rake test` with a clean environment
    Then the output should contain "1 assertions, 0 failures, 0 errors"

  Scenario: use 3rd-party factories with an initializer together with a user-defined factory
    When I append to "config/application.rb" with:
      """
        require File.expand_path('../../lib/some_railtie/railties.rb', __FILE__)
      """
    When I write to "lib/some_railtie/railties.rb" with:
      """
      module SomeRailtie
        class Railtie < ::Rails::Engine
          initializer "some_railtie.factories", :after => "factory_bot.set_factory_paths" do
            FactoryBot.definition_file_paths << File.expand_path('../factories', __FILE__)
          end
        end
      end
      """
    When I write to "lib/some_railtie/factories.rb" with:
      """
      FactoryBot.define do
        factory :factory_from_some_railtie, class: 'User' do
          name { 'Artem' }
        end
      end
      """
    When I write to "test/factories.rb" with:
      """
      FactoryBot.define do
        factory :user do
          name { "Frank" }
        end
      end
      """
    When I write to "test/unit/user_test.rb" with:
      """
      require 'test_helper'

      class UserTest < ActiveSupport::TestCase
        test "use factory of some_railtie" do
          railtie_user = FactoryBot.create(:factory_from_some_railtie)
          assert_equal 'Artem', railtie_user.name

          user = FactoryBot.create(:user)
          assert_equal 'Frank', user.name
        end
      end
      """
    When I run `bundle exec rake test` with a clean environment
    Then the output should contain "2 assertions, 0 failures, 0 errors"