vendor/rails/actionpack/test/template/benchmark_helper_test.rb

   1 require 'abstract_unit'
   2 require 'action_view/helpers/benchmark_helper'
   3
   4 class BenchmarkHelperTest < ActionView::TestCase
   5   tests ActionView::Helpers::BenchmarkHelper
   6
   7   def teardown
   8     controller.logger.send(:clear_buffer)
   9   end
  10
  11   def controller
  12     logger = ActiveSupport::BufferedLogger.new(StringIO.new)
  13     logger.auto_flushing = false
  14     @controller ||= Struct.new(:logger).new(logger)
  15   end
  16
  17   def test_without_block
  18     assert_raise(LocalJumpError) { benchmark }
  19     assert buffer.empty?
  20   end
  21
  22   def test_defaults
  23     i_was_run = false
  24     benchmark { i_was_run = true }
  25     assert i_was_run
  26     assert_last_logged
  27   end
  28
  29   def test_with_message
  30     i_was_run = false
  31     benchmark('test_run') { i_was_run = true }
  32     assert i_was_run
  33     assert_last_logged 'test_run'
  34   end
  35
  36   def test_with_message_and_deprecated_level
  37     i_was_run = false
  38
  39     assert_deprecated do
  40       benchmark('debug_run', :debug) { i_was_run = true }
  41     end
  42
  43     assert i_was_run
  44     assert_last_logged 'debug_run'
  45   end
  46
  47   def test_within_level
  48     controller.logger.level = ActiveSupport::BufferedLogger::DEBUG
  49     benchmark('included_debug_run', :level => :debug) { }
  50     assert_last_logged 'included_debug_run'
  51   end
  52
  53   def test_outside_level
  54     controller.logger.level = ActiveSupport::BufferedLogger::ERROR
  55     benchmark('skipped_debug_run', :level => :debug) { }
  56     assert_no_match(/skipped_debug_run/, buffer.last)
  57   ensure
  58     controller.logger.level = ActiveSupport::BufferedLogger::DEBUG
  59   end
  60
  61   def test_without_silencing
  62     benchmark('debug_run', :silence => false) do
  63       controller.logger.info "not silenced!"
  64     end
  65
  66     assert_equal 2, buffer.size
  67   end
  68
  69   def test_with_silencing
  70     benchmark('debug_run', :silence => true) do
  71       controller.logger.info "silenced!"
  72     end
  73
  74     assert_equal 1, buffer.size
  75   end
  76
  77
  78   private
  79     def buffer
  80       controller.logger.send(:buffer)
  81     end
  82
  83     def assert_last_logged(message = 'Benchmarking')
  84       assert_match(/^#{message} \(.*\)$/, buffer.last)
  85     end
  86 end