1describe Scale::Path do
  2  describe "#move_to" do
  3    it 'moves' do
  4      subject.move_to(x: 10, y: 10)
  5      expected = <<-XML
  6<?xml version="1.0"?>
  7<path d="M10 10"/>
  8      XML
  9      expect(subject.to_xml).to eql(expected)
 10    end
 11  end
 12
 13  describe "#line_to" do
 14    it 'draws a line to the x and y coordinate' do
 15      subject.move_to(x: 10, y: 10)
 16      subject.line_to(x: 20, y: 20)
 17      expected = <<-XML
 18<?xml version="1.0"?>
 19<path d="M10 10 L 20 20"/>
 20      XML
 21      expect(subject.to_xml).to eql(expected)
 22    end
 23  end
 24
 25  describe "#horizontal" do
 26    before :each do
 27      subject.move_to(x: 10, y: 10)
 28    end
 29
 30    it 'draws a horizontal line' do
 31      subject.horizontal(90)
 32      expected = <<-XML
 33<?xml version="1.0"?>
 34<path d="M10 10 H 90"/>
 35      XML
 36      expect(subject.to_xml).to eql(expected)
 37    end
 38
 39    it 'moves horizontally using relative position' do
 40      subject.horizontal(90, relative: true)
 41      expected = <<-XML
 42<?xml version="1.0"?>
 43<path d="M10 10 h 90"/>
 44      XML
 45      expect(subject.to_xml).to eql(expected)
 46    end
 47  end
 48
 49  describe "#vertical" do
 50    before :each do
 51      subject.move_to(x: 10, y: 10)
 52    end
 53
 54    it 'draws a vertical line' do
 55      subject.vertical(90)
 56      expected = <<-XML
 57<?xml version="1.0"?>
 58<path d="M10 10 V 90"/>
 59      XML
 60      expect(subject.to_xml).to eql(expected)
 61    end
 62
 63    it 'draws a vertical line relative to the current position' do
 64      subject.vertical(90, relative: true)
 65      expected = <<-XML
 66<?xml version="1.0"?>
 67<path d="M10 10 v 90"/>
 68      XML
 69      expect(subject.to_xml).to eql(expected)
 70    end
 71  end
 72
 73  describe "#close_path" do
 74    it 'navigates back to the start' do
 75      subject.move_to(x: 10, y: 10)
 76      subject.horizontal(10)
 77      subject.close_path
 78      expected = <<-XML
 79<?xml version="1.0"?>
 80<path d="M10 10 H 10 Z"/>
 81      XML
 82      expect(subject.to_xml).to eql(expected)
 83    end
 84  end
 85
 86  describe "drawing a rectangle" do
 87    it 'draws the proper rectangle' do
 88      subject.move_to(x: 10, y: 10)
 89      subject.horizontal(90)
 90      subject.vertical(90)
 91      subject.horizontal(10)
 92      subject.line_to(x: 10, y: 10)
 93
 94      expected = <<-XML
 95<?xml version="1.0"?>
 96<path d="M10 10 H 90 V 90 H 10 L 10 10"/>
 97      XML
 98      expect(subject.to_xml).to eql(expected)
 99    end
100  end
101end