test/test_timer.rb

   1 require File.dirname(__FILE__) + '/helper'
   2
   3 class TestTimer < Test::Unit::TestCase
   4   def setup
   5     Timer.reset
   6     @t = Timer.get
   7   end
   8
   9   def test_new_timer_should_have_no_events
  10     assert_equal 0, @t.events.size
  11   end
  12
  13   def test_schedule_should_queue_event
  14     Time.stubs(:now).returns(0)
  15
  16     w = Watch.new
  17     @t.schedule(stub(:interval => 20, :watch => w))
  18
  19     assert_equal 1, @t.events.size
  20   end
  21
  22   def test_timer_should_remove_expired_events
  23     @t.schedule(stub(:interval => -1, :watch => Watch.new))
  24     sleep(0.3)
  25     assert_equal 0, @t.events.size
  26   end
  27
  28   def test_timer_should_remove_only_expired_events
  29     w = Watch.new
  30     @t.schedule(stub(:interval => -1, :watch => w))
  31     @t.schedule(stub(:interval => 1000, :watch => w))
  32     sleep(0.3)
  33     assert_equal 1, @t.events.size
  34   end
  35
  36   def test_timer_should_sort_timer_events
  37     w = Watch.new
  38     @t.schedule(stub(:interval => 1000, :watch => w))
  39     @t.schedule(stub(:interval => 800, :watch => w))
  40     @t.schedule(stub(:interval => 900, :watch => w))
  41     @t.schedule(stub(:interval => 100, :watch => w))
  42     sleep(0.3)
  43     assert_equal [100, 800, 900, 1000], @t.events.map { |x| x.condition.interval }
  44   end
  45
  46   def test_unschedule_should_remove_conditions
  47     w = Watch.new
  48     a = stub(:watch => w)
  49     b = stub(:watch => w)
  50     @t.schedule(a, 100)
  51     @t.schedule(b, 200)
  52     assert_equal 2, @t.events.size
  53     @t.unschedule(a)
  54     assert_equal 1, @t.events.size
  55   end
  56
  57   def test_time_should_recover_from_exceptions
  58     w = Watch.new
  59     @t.expects(:trigger).raises(Exception.new)
  60     no_stdout do
  61       @t.schedule(stub(:interval => -1, :watch => w))
  62       sleep(0.3)
  63       @t.schedule(stub(:interval => 0, :watch => w))
  64     end
  65   end
  66
  67   # join
  68
  69   def test_join_should_join
  70     Thread.any_instance.expects(:join)
  71     @t.join
  72   end
  73 end