require_relative 'test_helper.rb'

class Thok < Qt::Widget
  signal :whatever
end

class TestWidget < Test::Unit::TestCase

  def setup
    @thok = Thok.new
  end

  should 'have a whatever_signal method' do
    assert_equal 1, @thok.methods.grep( /^whatever_signal$/ ).size
    assert_raise ArgumentError do
      @thok.whatever_signal( 'hello' )
    end

    assert_nothing_raised do
      @thok.whatever_signal( 'hello'.to_variant )
    end
  end

  should 'have a whatever emitter' do
    assert_equal 1, @thok.methods.grep( /^whatever$/ ).size
    assert_nothing_raised { @thok.whatever }
    assert_nothing_raised { @thok.whatever 1 }
    assert_nothing_raised { @thok.whatever 1,2,3 }
    assert_nothing_raised { @thok.whatever [4,5,6] }
  end

  should 'have an on_whatever handler' do
    assert_equal 1, @thok.methods.grep( /^on_whatever$/ ).size
  end

  context 'on_whatever handler' do
    should 'handle nil args' do
      @thok.on_whatever do |arg|
        assert_nil arg
      end
      @thok.whatever
      @thok.whatever( nil )
    end

    should 'handle single args' do
      @thok.on_whatever do |arg|
        assert_not_nil arg
        assert_not_equal Array, arg.class
      end
      @thok.whatever 1
      @thok.whatever 'hello'
    end

    should_eventually 'handle objects' do
      NVP = Struct.new :name, :value
      nvp = NVP.new
      nvp.name = 'how'
      nvp.value = 'that'
      @thok.on_whatever do |arg|
        assert_not_nil arg
        assert_equal NVP, arg.class
      end
      @thok.whatever nvp
    end

    should 'handle arg lists' do
      @thok.on_whatever do |arg1,arg2|
        assert_not_nil arg1
        assert_not_nil arg2
        assert_not_equal Array, arg1.class
        assert_not_equal Array, arg2.class
      end
      @thok.whatever 1,2
      @thok.whatever 'hello','there'
    end

    should 'handle a single array' do
      @thok.on_whatever do |ary|
        assert_not_nil ary
        assert_equal Array, ary.class
        assert_equal 3, ary.size
        assert_equal [4,5,6], ary
      end
      @thok.whatever [4,5,6]
    end

    should_eventually 'handle multiple arrays' do
      @thok.on_whatever do |ary1,ary2|
        assert_not_nil ary1
        assert_not_nil ary2
        assert_equal Array, ary1.class
        assert_equal Array, ary2.class
        assert_equal 3, ary1.size
        assert_equal 3, ary2.size
        # fails here because ary1 is an array of variants
        puts "ary1: #{ary1.inspect}"
        assert_equal [4,5,6], ary1
        assert_equal [7,8,9], ary2
      end
      @thok.whatever( [4,5,6], [7,8,9] )
    end
  end

end