require 'spec_helper'

module Mork
  describe GridOMR do
    before(:each) do
      @grom = GridOMR.new 'spec/samples/grid_omr_layout.yml'
      @grom.set_page_size 1601, 2281
    end

    describe '#choice_cell_area' do
      it 'returns the coordinates of the first choice cell' do
        puts
        expect(@grom.choice_cell_area(0,0)).to have_coords(63, 436, 51, 41)
      end

      it 'returns the coordinates of the last choice cell' do
        expect(@grom.choice_cell_area(119,4)).to have_coords(1411, 2108, 51, 41)
      end
    end

    describe '#barcode_bit_area' do
      it 'returns the coordinates of the first barcode bit area' do
        expect(@grom.barcode_bit_area(0)).to have_coords(126, 2260, 25, 21)
      end

      it 'returns the coordinates of the last barcode bit area' do
        expect(@grom.barcode_bit_area(39)).to have_coords(1441, 2260, 25, 21)
      end
    end

    describe '#rm_crop_area' do
      it 'returns a Coord object for the :tl reg_mark corner' do
        c = @grom.rm_crop_area :tl
        expect(c). to have_coords(15, 15, 152, 154)
      end

      it 'returns a Coord object for the :tr reg_mark corner' do
        c = @grom.rm_crop_area :tr
        expect(c).to have_coords(1433, 15, 152, 154)
      end

      it 'returns a Coord object for the :br reg_mark corner' do
        c = @grom.rm_crop_area :br
        expect(c).to have_coords(1433, 2112, 152, 154)
      end

      it 'returns a Coord object for the :bl reg_mark corner' do
        c = @grom.rm_crop_area :bl
        expect(c).to have_coords(15, 2112, 152, 154)
      end
    end

    describe '#max_choices_per_question' do
      it 'returns the maximum number of choice cells per question' do
        @grom.max_choices_per_question.should == 5
      end
    end

    describe '#paper_white_area' do
      it 'returns the coordinates of the white area used for barcode calibration' do
        expect(@grom.paper_white_area).to have_coords(93, 2260, 25, 21)
      end
    end

    describe '#ink_black_area' do
      it 'returns the coordinates of the barcode calibration bar' do
        expect(@grom.ink_black_area).to have_coords(126, 2260, 25, 21)
      end
    end
  end
end


# it 'fails if an invalid barcode bit is requested' do
#   lambda { @grom.barcode_bit_area(40) }.should raise_error
# end

# describe '#rm_edgy_x' do
#   it 'returns the minimum acceptable number of pixels from the regmark center to the edge of the rm_crop_area' do
#     @grom.rm_edgy_x.should == 24
#   end
#   it 'returns an integer' do
#     @grom.rm_edgy_x.should be_a Fixnum
#   end
# end

# describe '#rm_edgy_y' do
#   it 'returns the minimum acceptable number of pixels from the regmark center to the edge of the rm_crop_area' do
#     @grom.rm_edgy_y.should == 24
#   end
#   it 'returns an integer' do
#     @grom.rm_edgy_y.should be_a Fixnum
#   end
# end

# describe '#rm_max_search_area_side' do
#   it 'returns the maximum extent of the regmark search area, 1/4 of the raw image horizontal pixels' do
#     @grom.rm_max_search_area_side.should == 400
#   end
#   it 'returns an integer' do
#     @grom.rm_max_search_area_side.should be_a Fixnum
#   end
# end