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# frozen_string_literal: true
require "isolation/abstract_unit"
module ApplicationTests
class MultipleApplicationsTest < ActiveSupport::TestCase
include ActiveSupport::Testing::Isolation
def setup
build_app(initializers: true)
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.create { 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(Pathname.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.to_s, "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
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