JezK
Edit File: failsafe_test.rb
require 'abstract_unit' require 'stringio' require 'logger' class FailsafeTest < ActionController::TestCase FIXTURE_PUBLIC = "#{File.dirname(__FILE__)}/../fixtures/failsafe".freeze def setup @old_error_file_path = ActionController::Failsafe.error_file_path ActionController::Failsafe.error_file_path = FIXTURE_PUBLIC @app = mock @log_io = StringIO.new @logger = Logger.new(@log_io) @failsafe = ActionController::Failsafe.new(@app) @failsafe.stubs(:failsafe_logger).returns(@logger) end def teardown ActionController::Failsafe.error_file_path = @old_error_file_path end def app_will_raise_error! @app.expects(:call).then.raises(RuntimeError.new("Printer on fire")) end def test_calls_app_and_returns_its_return_value @app.expects(:call).returns([200, { "Content-Type" => "text/html" }, "ok"]) assert_equal [200, { "Content-Type" => "text/html" }, "ok"], @failsafe.call({}) end def test_writes_to_log_file_on_exception app_will_raise_error! @failsafe.call({}) assert_match /Printer on fire/, @log_io.string # Logs exception message. assert_match /failsafe_test\.rb/, @log_io.string # Logs backtrace. end def test_returns_500_internal_server_error_on_exception app_will_raise_error! response = @failsafe.call({}) assert_equal 3, response.size # It is a valid Rack response. assert_equal 500, response[0] # Status is 500. end def test_renders_error_page_file_with_erb app_will_raise_error! response = @failsafe.call({}) assert_equal 500, response[0] assert_equal "hello my world", response[2].join end def test_returns_a_default_message_if_erb_rendering_failed app_will_raise_error! @failsafe.expects(:render_template).raises(RuntimeError.new("Harddisk is crashing")) response = @failsafe.call({}) assert_equal 500, response[0] assert_match /500 Internal Server Error/, response[2].join assert_match %r(please read this web application's log file), response[2].join end end