require 'watirspec_helper'

describe 'Image' do
  before :each do
    browser.goto(WatirSpec.url_for('images.html'))
  end

  # Exists method
  describe '#exists?' do
    it 'returns true when the image exists' do
      expect(browser.image(id: 'square')).to exist
      expect(browser.image(id: /square/)).to exist
      expect(browser.image(src: 'images/circle.png')).to exist
      expect(browser.image(src: /circle/)).to exist
      expect(browser.image(alt: 'circle')).to exist
      expect(browser.image(alt: /cir/)).to exist
      expect(browser.image(title: 'Circle')).to exist
    end

    it 'returns the first image if given no args' do
      expect(browser.image).to exist
    end

    it "returns false when the image doesn't exist" do
      expect(browser.image(id: 'no_such_id')).to_not exist
      expect(browser.image(id: /no_such_id/)).to_not exist
      expect(browser.image(src: 'no_such_src')).to_not exist
      expect(browser.image(src: /no_such_src/)).to_not exist
      expect(browser.image(alt: 'no_such_alt')).to_not exist
      expect(browser.image(alt: /no_such_alt/)).to_not exist
      expect(browser.image(title: 'no_such_title')).to_not exist
      expect(browser.image(title: /no_such_title/)).to_not exist
    end

    it "raises TypeError when 'what' argument is invalid" do
      expect { browser.image(id: 3.14).exists? }.to raise_error(TypeError)
    end
  end

  # Attribute methods
  describe '#alt' do
    it 'returns the alt attribute of the image if the image exists' do
      expect(browser.image(id: 'square').alt).to eq 'square'
      expect(browser.image(title: 'Circle').alt).to eq 'circle'
    end

    it "returns an empty string if the image exists and the attribute doesn't" do
      expect(browser.image(index: 0).alt).to eq ''
    end

    it "raises UnknownObjectException if the image doesn't exist" do
      expect { browser.image(index: 1337).alt }.to raise_unknown_object_exception
    end
  end

  describe '#id' do
    it 'returns the id attribute of the image if the image exists' do
      expect(browser.image(title: 'Square').id).to eq 'square'
    end

    it "returns an empty string if the image exists and the attribute doesn't" do
      expect(browser.image(index: 0).id).to eq ''
    end

    it "raises UnknownObjectException if the image doesn't exist" do
      expect { browser.image(index: 1337).id }.to raise_unknown_object_exception
    end
  end

  describe '#src' do
    it 'returns the src attribute of the image if the image exists' do
      expect(browser.image(id: 'square').src).to include('square.png')
    end

    it "returns an empty string if the image exists and the attribute doesn't" do
      expect(browser.image(index: 0).src).to eq ''
    end

    it "raises UnknownObjectException if the image doesn't exist" do
      expect { browser.image(index: 1337).src }.to raise_unknown_object_exception
    end
  end

  describe '#title' do
    it 'returns the title attribute of the image if the image exists' do
      expect(browser.image(id: 'square').title).to eq 'Square'
    end

    it "returns an empty string if the image exists and the attribute doesn't" do
      expect(browser.image(index: 0).title).to eq ''
    end

    it "raises UnknownObjectException if the image doesn't exist" do
      expect { browser.image(index: 1337).title }.to raise_unknown_object_exception
    end
  end

  describe '#respond_to?' do
    it 'returns true for all attribute methods' do
      expect(browser.image(index: 0)).to respond_to(:class_name)
      expect(browser.image(index: 0)).to respond_to(:id)
      expect(browser.image(index: 0)).to respond_to(:style)
      expect(browser.image(index: 0)).to respond_to(:text)
    end
  end

  # Manipulation methods
  describe '#click' do
    it "raises UnknownObjectException when the image doesn't exist" do
      expect { browser.image(id: 'missing_attribute').click }.to raise_unknown_object_exception
      expect { browser.image(class: 'missing_attribute').click }.to raise_unknown_object_exception
      expect { browser.image(src: 'missing_attribute').click }.to raise_unknown_object_exception
      expect { browser.image(alt: 'missing_attribute').click }.to raise_unknown_object_exception
    end
  end

  describe '#height' do
    it 'returns the height of the image if the image exists' do
      expect(browser.image(id: 'square').height).to eq 88
    end

    it "raises UnknownObjectException if the image doesn't exist" do
      expect { browser.image(index: 1337).height }.to raise_unknown_object_exception
    end
  end

  describe '#width' do
    it 'returns the width of the image if the image exists' do
      expect(browser.image(id: 'square').width).to eq 88
    end

    it "raises UnknownObjectException if the image doesn't exist" do
      expect { browser.image(index: 1337).width }.to raise_unknown_object_exception
    end
  end

  # Other
  describe '#loaded?' do
    it 'returns true if the image has been loaded' do
      expect(browser.image(title: 'Circle')).to be_loaded
      expect(browser.image(alt: 'circle')).to be_loaded
      expect(browser.image(alt: /circle/)).to be_loaded
    end

    it 'returns false if the image has not been loaded' do
      expect(browser.image(id: 'no_such_file')).to_not be_loaded
    end

    it "raises UnknownObjectException if the image doesn't exist" do
      expect { browser.image(id: 'no_such_image').loaded? }.to raise_unknown_object_exception
      expect { browser.image(src: 'no_such_image').loaded? }.to raise_unknown_object_exception
      expect { browser.image(alt: 'no_such_image').loaded? }.to raise_unknown_object_exception
      expect { browser.image(index: 1337).loaded? }.to raise_unknown_object_exception
    end
  end
end