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     w = Watch.new
  15     @t.schedule(stub(:interval => 20, :watch => w))
  16
  17     assert_equal 1, @t.events.size
  18   end
  19
  20   def test_timer_should_remove_expired_events
  21     @t.schedule(stub(:interval => -1, :watch => Watch.new))
  22     sleep(0.3)
  23     assert_equal 0, @t.events.size
  24   end
  25
  26   def test_timer_should_remove_only_expired_events
  27     w = Watch.new
  28     @t.schedule(stub(:interval => -1, :watch => w))
  29     @t.schedule(stub(:interval => 1000, :watch => w))
  30     sleep(0.3)
  31     assert_equal 1, @t.events.size
  32   end
  33
  34   def test_timer_should_sort_timer_events
  35     w = Watch.new
  36     @t.schedule(stub(:interval => 1000, :watch => w))
  37     @t.schedule(stub(:interval => 800, :watch => w))
  38     @t.schedule(stub(:interval => 900, :watch => w))
  39     @t.schedule(stub(:interval => 100, :watch => w))
  40     sleep(0.3)
  41     assert_equal [100, 800, 900, 1000], @t.events.map { |x| x.condition.interval }
  42   end
  43
  44   def test_unschedule_should_remove_conditions
  45     w = Watch.new
  46     a = stub(:watch => w)
  47     b = stub(:watch => w)
  48     @t.schedule(a, 100)
  49     @t.schedule(b, 200)
  50     assert_equal 2, @t.conditions.size
  51     @t.unschedule(a)
  52     assert_equal 1, @t.conditions.size
  53   end
  54
  55   def test_time_should_recover_from_exceptions
  56     w = Watch.new
  57     @t.expects(:trigger).raises(Exception.new)
  58     no_stdout do
  59       @t.schedule(stub(:interval => -1, :watch => w))
  60       sleep(0.3)
  61       @t.schedule(stub(:interval => 0, :watch => w))
  62     end
  63   end
  64
  65   # join
  66
  67   def test_join_should_join
  68     Thread.any_instance.expects(:join)
  69     @t.join
  70   end
  71 end