Contents

require_relative '../test_helper'

class ListenerComponent
  include Denko::Behaviors::Component
  include Denko::Behaviors::Listener

  def _listen(divider=nil); end
  def _stop_listener; end
end

class ListenerTest < Minitest::Test
  def board
    @board ||= BoardMock.new
  end

  def part
    @part ||= ListenerComponent.new(board: board, pin: 1)
  end

  def test_include_callbacks
    assert_includes ListenerComponent.ancestors,
                    Denko::Behaviors::Callbacks
  end
  
  def test_divider_save_and_read
    part.listen(4)
    assert_equal part.divider, 4
  end

  def test_call_stop_before_listening
    mock = MiniTest::Mock.new.expect :call, nil
    part.stub(:stop, mock) { part.listen }
    mock.verify
  end

  def test_call__listen
    mock = MiniTest::Mock.new
    mock.expect :call, nil, [nil]
    mock.expect :call, nil, [32]
    part.stub(:_listen, mock) do
      part.listen
      part.listen(32)
    end
    mock.verify
  end

  def test_call__stop_listener
    mock = MiniTest::Mock.new.expect :call, nil
    part.stub(:_stop_listener, mock) { part.stop }
    mock.verify
  end

  def test_add_and_remove_callback
    callback = Proc.new{}
    part.listen(&callback)
    assert_equal [callback], part.callbacks[:listen]
    part.stop
    assert_nil part.callbacks[:listen]
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
denko-0.13.2	test/behaviors/listener_test.rb
denko-0.13.1	test/behaviors/listener_test.rb
denko-0.13.0	test/behaviors/listener_test.rb