require 'isolation/abstract_unit' module ApplicationTests class MultipleApplicationsTest < ActiveSupport::TestCase include ActiveSupport::Testing::Isolation def setup build_app(initializers: true) boot_rails require "#{rails_root}/config/environment" Rails.application.config.some_setting = 'something_or_other' end def teardown teardown_app end def test_cloning_an_application_makes_a_shallow_copy_of_config clone = Rails.application.clone assert_equal Rails.application.config, clone.config, "The cloned application should get a copy of the config" assert_equal Rails.application.config.some_setting, clone.config.some_setting, "The some_setting on the config should be the same" end def test_inheriting_multiple_times_from_application new_application_class = Class.new(Rails::Application) assert_not_equal Rails.application.object_id, new_application_class.instance.object_id end def test_initialization_of_multiple_copies_of_same_application application1 = AppTemplate::Application.new application2 = AppTemplate::Application.new assert_not_equal Rails.application.object_id, application1.object_id, "New applications should not be the same as the original application" assert_not_equal Rails.application.object_id, application2.object_id, "New applications should not be the same as the original application" end def test_initialization_of_application_with_previous_config application1 = AppTemplate::Application.create(config: Rails.application.config) application2 = AppTemplate::Application.create assert_equal Rails.application.config, application1.config, "Creating a new application while setting an initial config should result in the same config" assert_not_equal Rails.application.config, application2.config, "New applications without setting an initial config should not have the same config" end def test_initialization_of_application_with_previous_railties application1 = AppTemplate::Application.create(railties: Rails.application.railties) application2 = AppTemplate::Application.create assert_equal Rails.application.railties, application1.railties assert_not_equal Rails.application.railties, application2.railties end def test_initialize_new_application_with_all_previous_initialization_variables application1 = AppTemplate::Application.create( config: Rails.application.config, railties: Rails.application.railties, routes_reloader: Rails.application.routes_reloader, reloaders: Rails.application.reloaders, routes: Rails.application.routes, helpers: Rails.application.helpers, app_env_config: Rails.application.env_config ) assert_equal Rails.application.config, application1.config assert_equal Rails.application.railties, application1.railties assert_equal Rails.application.routes_reloader, application1.routes_reloader assert_equal Rails.application.reloaders, application1.reloaders assert_equal Rails.application.routes, application1.routes assert_equal Rails.application.helpers, application1.helpers assert_equal Rails.application.env_config, application1.env_config end def test_rake_tasks_defined_on_different_applications_go_to_the_same_class run_count = 0 application1 = AppTemplate::Application.new application1.rake_tasks do run_count += 1 end application2 = AppTemplate::Application.new application2.rake_tasks do run_count += 1 end require "#{app_path}/config/environment" assert_equal 0, run_count, "The count should stay at zero without any calls to the rake tasks" require 'rake' require 'rake/testtask' require 'rdoc/task' Rails.application.load_tasks assert_equal 2, run_count, "Calling a rake task should result in two increments to the count" end def test_multiple_applications_can_be_initialized assert_nothing_raised { AppTemplate::Application.new } end def test_initializers_run_on_different_applications_go_to_the_same_class application1 = AppTemplate::Application.new run_count = 0 AppTemplate::Application.initializer :init0 do run_count += 1 end application1.initializer :init1 do run_count += 1 end AppTemplate::Application.new.initializer :init2 do run_count += 1 end assert_equal 0, run_count, "Without loading the initializers, the count should be 0" # Set config.eager_load to false so that an eager_load warning doesn't pop up AppTemplate::Application.new { config.eager_load = false }.initialize! assert_equal 3, run_count, "There should have been three initializers that incremented the count" end def test_consoles_run_on_different_applications_go_to_the_same_class run_count = 0 AppTemplate::Application.console { run_count += 1 } AppTemplate::Application.new.console { run_count += 1 } assert_equal 0, run_count, "Without loading the consoles, the count should be 0" Rails.application.load_console assert_equal 2, run_count, "There should have been two consoles that increment the count" end def test_generators_run_on_different_applications_go_to_the_same_class run_count = 0 AppTemplate::Application.generators { run_count += 1 } AppTemplate::Application.new.generators { run_count += 1 } assert_equal 0, run_count, "Without loading the generators, the count should be 0" Rails.application.load_generators assert_equal 2, run_count, "There should have been two generators that increment the count" end def test_runners_run_on_different_applications_go_to_the_same_class run_count = 0 AppTemplate::Application.runner { run_count += 1 } AppTemplate::Application.new.runner { run_count += 1 } assert_equal 0, run_count, "Without loading the runners, the count should be 0" Rails.application.load_runner assert_equal 2, run_count, "There should have been two runners that increment the count" end def test_isolate_namespace_on_an_application assert_nil Rails.application.railtie_namespace, "Before isolating namespace, the railtie namespace should be nil" Rails.application.isolate_namespace(AppTemplate) assert_equal Rails.application.railtie_namespace, AppTemplate, "After isolating namespace, we should have a namespace" end def test_inserting_configuration_into_application app = AppTemplate::Application.new(config: Rails.application.config) app.config.some_setting = "a_different_setting" assert_equal "a_different_setting", app.config.some_setting, "The configuration's some_setting should be set." new_config = Rails::Application::Configuration.new("root_of_application") new_config.some_setting = "some_setting_dude" app.config = new_config assert_equal "some_setting_dude", app.config.some_setting, "The configuration's some_setting should have changed." assert_equal "root_of_application", app.config.root, "The root should have changed to the new config's root." assert_equal new_config, app.config, "The application's config should have changed to the new config." end end end