test/test_trigger.rb

   1 require File.dirname(__FILE__) + '/helper'
   2
   3 class TestTrigger < Test::Unit::TestCase
   4   def setup
   5     Trigger.reset
   6   end
   7
   8   # base case
   9
  10   def test_should_have_empty_triggers
  11     assert_equal [], Trigger.triggers
  12   end
  13
  14   # register
  15
  16   def test_register_should_add_condition_to_triggers
  17     c = Condition.new
  18     Trigger.register(c)
  19
  20     assert_equal [c], Trigger.triggers
  21   end
  22
  23   # deregister
  24
  25   def test_deregister_should_remove_condition_from_triggers
  26     c = Condition.new
  27     Trigger.register(c)
  28     Trigger.deregister(c)
  29
  30     assert_equal [], Trigger.triggers
  31   end
  32
  33   # broadcast
  34
  35   def test_broadcast_should_call_process_on_each_condition
  36     c = Condition.new
  37     Trigger.register(c)
  38
  39     c.expects(:process).with(:state_change, [:up, :start])
  40
  41     Trigger.broadcast(:state_change, [:up, :start])
  42   end
  43 end