class TransitionCollectionWithCallbacksTest

# File test/unit/transition_collection_test.rb, line 886
def save
  @saved = true
end

# File test/unit/transition_collection_test.rb, line 882
def setup
  @klass = Class.new do
    attr_reader :saved
    
    def save
      @saved = true
    end
  end
  
  @before_callbacks = []
  @after_callbacks = []
  
  @state = StateMachine::Machine.new(@klass, :initial => :parked, :action => :save)
  @state.state :idling
  @state.event :ignite
  @state.before_transition {@before_callbacks << :state_before}
  @state.after_transition {@after_callbacks << :state_after}
  @state.around_transition {|block| @before_callbacks << :state_around; block.call; @after_callbacks << :state_around}
  
  @status = StateMachine::Machine.new(@klass, :status, :initial => :first_gear, :action => :save)
  @status.state :second_gear
  @status.event :shift_up
  @status.before_transition {@before_callbacks << :status_before}
  @status.after_transition {@after_callbacks << :status_after}
  @status.around_transition {|block| @before_callbacks << :status_around; block.call; @after_callbacks << :status_around}
  
  @object = @klass.new
  @transitions = StateMachine::TransitionCollection.new([
    StateMachine::Transition.new(@object, @state, :ignite, :parked, :idling),
    StateMachine::Transition.new(@object, @status, :shift_up, :first_gear, :second_gear)
  ])
end

# File test/unit/transition_collection_test.rb, line 980
def state=(value)
  @state = value
  @saved_on_persist = @saved
end

# File test/unit/transition_collection_test.rb, line 934
def test_should_halt_if_around_callback_halted_before_yield_for_first_transition
  @state.around_transition {throw :halt}
  
  assert_equal false, @transitions.perform
  assert_equal [:state_before, :state_around], @before_callbacks
end

# File test/unit/transition_collection_test.rb, line 941
def test_should_halt_if_around_callback_halted_before_yield_for_second_transition
  @status.around_transition {throw :halt}
  
  assert_equal false, @transitions.perform
  assert_equal [:state_before, :state_around, :status_before, :status_around], @before_callbacks
end

# File test/unit/transition_collection_test.rb, line 920
def test_should_halt_if_before_callback_halted_for_first_transition
  @state.before_transition {throw :halt}
  
  assert_equal false, @transitions.perform
  assert_equal [:state_before, :state_around], @before_callbacks
end

# File test/unit/transition_collection_test.rb, line 927
def test_should_halt_if_before_callback_halted_for_second_transition
  @status.before_transition {throw :halt}
  
  assert_equal false, @transitions.perform
  assert_equal [:state_before, :state_around, :status_before, :status_around], @before_callbacks
end

# File test/unit/transition_collection_test.rb, line 953
def test_should_not_halt_if_after_callback_halted_for_first_transition
  @state.after_transition {throw :halt}
  
  assert_equal true, @transitions.perform
  assert_equal [:status_around, :status_after, :state_around, :state_after], @after_callbacks
end

# File test/unit/transition_collection_test.rb, line 960
def test_should_not_halt_if_around_callback_halted_for_second_transition
  @status.around_transition {|block| block.call; throw :halt}
  
  assert_equal true, @transitions.perform
  assert_equal [:state_around, :state_after], @after_callbacks
end

# File test/unit/transition_collection_test.rb, line 976
def test_should_persist_state_before_running_action
  @klass.class_eval do
    attr_reader :saved_on_persist
    
    def state=(value)
      @state = value
      @saved_on_persist = @saved
    end
  end
  
  @transitions.perform
  assert !@object.saved_on_persist
end

# File test/unit/transition_collection_test.rb, line 990
def test_should_persist_state_before_running_action_block
  @klass.class_eval do
    attr_writer :saved
    attr_reader :saved_on_persist
    
    def state=(value)
      @state = value
      @saved_on_persist = @saved
    end
  end
  
  @transitions.perform { @object.saved = true }
  assert !@object.saved_on_persist
end

# File test/unit/transition_collection_test.rb, line 1005
def test_should_run_after_callbacks_after_running_the_action
  @state.after_transition {|object| @after_saved = object.saved}
  @state.around_transition {|object, transition, block| block.call; @around_saved = object.saved}
  @transitions.perform
  
  assert @after_saved
  assert @around_saved
end

# File test/unit/transition_collection_test.rb, line 948
def test_should_run_after_callbacks_in_reverse_order
  @transitions.perform
  assert_equal [:status_around, :status_after, :state_around, :state_after], @after_callbacks
end

# File test/unit/transition_collection_test.rb, line 967
def test_should_run_before_callbacks_before_persisting_the_state
  @state.before_transition {|object| @before_state = object.state}
  @state.around_transition {|object, transition, block| @around_state = object.state; block.call}
  @transitions.perform
  
  assert_equal 'parked', @before_state
  assert_equal 'parked', @around_state
end

# File test/unit/transition_collection_test.rb, line 915
def test_should_run_before_callbacks_in_order
  @transitions.perform
  assert_equal [:state_before, :state_around, :status_before, :status_around], @before_callbacks
end