require "abstract_unit" class DispatcherTest < ActiveSupport::TestCase class Foo cattr_accessor :a, :b end class DummyApp def call(env) [200, {}, "response"] end end def setup Foo.a, Foo.b = 0, 0 ActionDispatch::Callbacks.reset_callbacks(:call) end def test_before_and_after_callbacks ActionDispatch::Callbacks.before { |*args| Foo.a += 1; Foo.b += 1 } ActionDispatch::Callbacks.after { |*args| Foo.a += 1; Foo.b += 1 } dispatch assert_equal 2, Foo.a assert_equal 2, Foo.b dispatch assert_equal 4, Foo.a assert_equal 4, Foo.b dispatch do raise "error" end rescue nil assert_equal 6, Foo.a assert_equal 6, Foo.b end def test_to_prepare_and_cleanup_delegation prepared = cleaned = false assert_deprecated do ActionDispatch::Callbacks.to_prepare { prepared = true } ActionDispatch::Callbacks.to_prepare { cleaned = true } end assert_deprecated do ActionDispatch::Reloader.prepare! end assert prepared assert_deprecated do ActionDispatch::Reloader.cleanup! end assert cleaned end private def dispatch(&block) ActionDispatch::Callbacks.new(block || DummyApp.new).call( "rack.input" => StringIO.new("") ) end end