require "isolation/abstract_unit" require "rack/test" module ApplicationTests class MiddlewareExceptionsTest < ActiveSupport::TestCase include ActiveSupport::Testing::Isolation include Rack::Test::Methods def setup build_app end def teardown teardown_app end test "show exceptions middleware filter backtrace before logging" do controller :foo, <<-RUBY class FooController < ActionController::Base def index raise 'oops' end end RUBY get "/foo" assert_equal 500, last_response.status log = File.read(Rails.application.config.paths["log"].first) assert_no_match(/action_dispatch/, log, log) assert_match(/oops/, log, log) end test "renders active record exceptions as 404" do controller :foo, <<-RUBY class FooController < ActionController::Base def index raise ActiveRecord::RecordNotFound end end RUBY get "/foo" assert_equal 404, last_response.status end test "uses custom exceptions app" do add_to_config <<-RUBY config.exceptions_app = lambda do |env| [404, { "Content-Type" => "text/plain" }, ["YOU FAILED"]] end RUBY app.config.action_dispatch.show_exceptions = true get "/foo" assert_equal 404, last_response.status assert_equal "YOU FAILED", last_response.body end test "url generation error when action_dispatch.show_exceptions is set raises an exception" do controller :foo, <<-RUBY class FooController < ActionController::Base def index raise ActionController::UrlGenerationError end end RUBY app.config.action_dispatch.show_exceptions = true get "/foo" assert_equal 500, last_response.status end test "unspecified route when action_dispatch.show_exceptions is not set raises an exception" do app.config.action_dispatch.show_exceptions = false assert_raise(ActionController::RoutingError) do get "/foo" end end test "unspecified route when action_dispatch.show_exceptions is set shows 404" do app.config.action_dispatch.show_exceptions = true assert_nothing_raised do get "/foo" assert_match "The page you were looking for doesn't exist.", last_response.body end end test "unspecified route when action_dispatch.show_exceptions and consider_all_requests_local are set shows diagnostics" do app.config.action_dispatch.show_exceptions = true app.config.consider_all_requests_local = true assert_nothing_raised do get "/foo" assert_match "No route matches", last_response.body end end test "displays diagnostics message when exception raised in template that contains UTF-8" do controller :foo, <<-RUBY class FooController < ActionController::Base def index end end RUBY app.config.action_dispatch.show_exceptions = true app.config.consider_all_requests_local = true app_file "app/views/foo/index.html.erb", <<-ERB <% raise 'boooom' %> ✓測試テスト시험 ERB get "/foo", utf8: "✓" assert_match(/boooom/, last_response.body) assert_match(/測試テスト시험/, last_response.body) end end end