# frozen_string_literal: true require "abstract_unit" module ShowExceptions class ShowExceptionsController < ActionController::Base use ActionDispatch::ShowExceptions, ActionDispatch::PublicExceptions.new("#{FIXTURE_LOAD_PATH}/public") use ActionDispatch::DebugExceptions before_action only: :another_boom do request.env["action_dispatch.show_detailed_exceptions"] = true end def boom raise "boom!" end def another_boom raise "boom!" end def show_detailed_exceptions? request.local? end end class ShowExceptionsTest < ActionDispatch::IntegrationTest test "show error page from a remote ip" do @app = ShowExceptionsController.action(:boom) self.remote_addr = "208.77.188.166" get "/" assert_equal "500 error fixture\n", body end test "show diagnostics from a local ip if show_detailed_exceptions? is set to request.local?" do @app = ShowExceptionsController.action(:boom) ["127.0.0.1", "127.0.0.127", "127.12.1.1", "::1", "0:0:0:0:0:0:0:1", "0:0:0:0:0:0:0:1%0"].each do |ip_address| self.remote_addr = ip_address get "/" assert_match(/boom/, body) end end test "show diagnostics from a remote ip when env is already set" do @app = ShowExceptionsController.action(:another_boom) self.remote_addr = "208.77.188.166" get "/" assert_match(/boom/, body) end end class ShowExceptionsOverriddenController < ShowExceptionsController private def show_detailed_exceptions? params["detailed"] == "1" end end class ShowExceptionsOverriddenTest < ActionDispatch::IntegrationTest test "show error page" do @app = ShowExceptionsOverriddenController.action(:boom) get "/", params: { "detailed" => "0" } assert_equal "500 error fixture\n", body end test "show diagnostics message" do @app = ShowExceptionsOverriddenController.action(:boom) get "/", params: { "detailed" => "1" } assert_match(/boom/, body) end end class ShowExceptionsFormatsTest < ActionDispatch::IntegrationTest def test_render_json_exception @app = ShowExceptionsOverriddenController.action(:boom) get "/", headers: { "HTTP_ACCEPT" => "application/json" } assert_response :internal_server_error assert_equal "application/json", response.content_type.to_s assert_equal({ status: 500, error: "Internal Server Error" }.to_json, response.body) end def test_render_xml_exception @app = ShowExceptionsOverriddenController.action(:boom) get "/", headers: { "HTTP_ACCEPT" => "application/xml" } assert_response :internal_server_error assert_equal "application/xml", response.content_type.to_s assert_equal({ status: 500, error: "Internal Server Error" }.to_xml, response.body) end def test_render_fallback_exception @app = ShowExceptionsOverriddenController.action(:boom) get "/", headers: { "HTTP_ACCEPT" => "text/csv" } assert_response :internal_server_error assert_equal "text/html", response.content_type.to_s end end class ShowFailsafeExceptionsTest < ActionDispatch::IntegrationTest def test_render_failsafe_exception @app = ShowExceptionsOverriddenController.action(:boom) middleware = @app.instance_variable_get(:@middleware) @exceptions_app = middleware.instance_variable_get(:@exceptions_app) middleware.instance_variable_set(:@exceptions_app, nil) $stderr = StringIO.new get "/", headers: { "HTTP_ACCEPT" => "text/json" } assert_response :internal_server_error assert_equal "text/plain", response.content_type.to_s ensure middleware.instance_variable_set(:@exceptions_app, @exceptions_app) $stderr = STDERR end end end