require 'abstract_unit' uses_mocha 'dispatcher tests' do class DispatcherTest < Test::Unit::TestCase Dispatcher = ActionController::Dispatcher def setup ENV['REQUEST_METHOD'] = 'GET' # Clear callbacks as they are redefined by Dispatcher#define_dispatcher_callbacks Dispatcher.instance_variable_set("@prepare_dispatch_callbacks", ActiveSupport::Callbacks::CallbackChain.new) Dispatcher.instance_variable_set("@before_dispatch_callbacks", ActiveSupport::Callbacks::CallbackChain.new) Dispatcher.instance_variable_set("@after_dispatch_callbacks", ActiveSupport::Callbacks::CallbackChain.new) Dispatcher.stubs(:require_dependency) @dispatcher = Dispatcher.new end def teardown ENV.delete 'REQUEST_METHOD' end def test_clears_dependencies_after_dispatch_if_in_loading_mode ActiveSupport::Dependencies.expects(:clear).once dispatch(false) end def test_reloads_routes_before_dispatch_if_in_loading_mode ActionController::Routing::Routes.expects(:reload).once dispatch(false) end def test_clears_asset_tag_cache_before_dispatch_if_in_loading_mode ActionView::Helpers::AssetTagHelper::AssetTag::Cache.expects(:clear).once dispatch(false) end def test_leaves_dependencies_after_dispatch_if_not_in_loading_mode ActionController::Routing::Routes.expects(:reload).never ActiveSupport::Dependencies.expects(:clear).never dispatch end # Stub out dispatch error logger class << Dispatcher def log_failsafe_exception(status, exception); end end def test_failsafe_response Dispatcher.any_instance.expects(:dispatch).raises('b00m') ActionController::Failsafe.any_instance.expects(:log_failsafe_exception) assert_nothing_raised do assert_equal [ 500, {"Content-Type" => "text/html"}, "

500 Internal Server Error

" ], dispatch end end def test_prepare_callbacks a = b = c = nil Dispatcher.to_prepare { |*args| a = b = c = 1 } Dispatcher.to_prepare { |*args| b = c = 2 } Dispatcher.to_prepare { |*args| c = 3 } # Ensure to_prepare callbacks are not run when defined assert_nil a || b || c # Run callbacks @dispatcher.send :run_callbacks, :prepare_dispatch assert_equal 1, a assert_equal 2, b assert_equal 3, c # Make sure they are only run once a = b = c = nil dispatch assert_nil a || b || c end def test_to_prepare_with_identifier_replaces a = b = nil Dispatcher.to_prepare(:unique_id) { |*args| a = b = 1 } Dispatcher.to_prepare(:unique_id) { |*args| a = 2 } @dispatcher.send :run_callbacks, :prepare_dispatch assert_equal 2, a assert_equal nil, b end private def dispatch(cache_classes = true) controller = mock() controller.stubs(:process).returns([200, {}, 'response']) ActionController::Routing::Routes.stubs(:recognize).returns(controller) Dispatcher.define_dispatcher_callbacks(cache_classes) @dispatcher.call({}) end def assert_subclasses(howmany, klass, message = klass.subclasses.inspect) assert_equal howmany, klass.subclasses.size, message end end end