require 'watirspec_helper'

describe 'FileField' do
  before :each do
    browser.goto(WatirSpec.url_for('forms_with_input_elements.html'))
  end

  describe '#exist?' do
    it 'returns true if the file field exists' do
      expect(browser.file_field(id: 'new_user_portrait')).to exist
      expect(browser.file_field(id: /new_user_portrait/)).to exist
      expect(browser.file_field(name: 'new_user_portrait')).to exist
      expect(browser.file_field(name: /new_user_portrait/)).to exist
      expect(browser.file_field(class: 'portrait')).to exist
      expect(browser.file_field(class: /portrait/)).to exist
      expect(browser.file_field(index: 0)).to exist
      expect(browser.file_field(xpath: "//input[@id='new_user_portrait']")).to exist
    end

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

    it 'returns true for element with upper case type' do
      expect(browser.file_field(id: 'new_user_resume')).to exist
    end

    it "returns false if the file field doesn't exist" do
      expect(browser.file_field(id: 'no_such_id')).to_not exist
      expect(browser.file_field(id: /no_such_id/)).to_not exist
      expect(browser.file_field(name: 'no_such_name')).to_not exist
      expect(browser.file_field(name: /no_such_name/)).to_not exist
      expect(browser.file_field(class: 'no_such_class')).to_not exist
      expect(browser.file_field(class: /no_such_class/)).to_not exist
      expect(browser.file_field(index: 1337)).to_not exist
      expect(browser.file_field(xpath: "//input[@id='no_such_id']")).to_not exist
    end

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

  # Attribute methods
  describe '#id' do
    it 'returns the id attribute if the text field exists' do
      expect(browser.file_field(index: 0).id).to eq 'new_user_portrait'
    end

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

  describe '#name' do
    it 'returns the name attribute if the text field exists' do
      expect(browser.file_field(index: 0).name).to eq 'new_user_portrait'
    end

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

  describe '#title' do
    it 'returns the title attribute if the text field exists' do
      expect(browser.file_field(id: 'new_user_portrait').title).to eq 'Smile!'
    end
  end

  describe '#type' do
    it 'returns the type attribute if the text field exists' do
      expect(browser.file_field(index: 0).type).to eq 'file'
    end

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

  describe '#respond_to?' do
    it 'returns true for all attribute methods' do
      expect(browser.file_field(index: 0)).to respond_to(:class_name)
      expect(browser.file_field(index: 0)).to respond_to(:id)
      expect(browser.file_field(index: 0)).to respond_to(:name)
      expect(browser.file_field(index: 0)).to respond_to(:title)
      expect(browser.file_field(index: 0)).to respond_to(:type)
      expect(browser.file_field(index: 0)).to respond_to(:value)
    end
  end

  # Manipulation methods

  describe '#set' do
    it 'is able to set a file path in the field and click the upload button and fire the onchange event' do
      browser.goto WatirSpec.url_for('forms_with_input_elements.html')

      element = browser.file_field(name: 'new_user_portrait')
      element.upload __FILE__

      expect(element.value).to include(File.basename(__FILE__)) # only some browser will return the full path
      expect(messages.first).to include(File.basename(__FILE__))

      browser.button(name: 'new_user_submit').click
    end

    it 'raises an error if the file does not exist' do
      expect {
        browser.file_field.set(File.join(Dir.tmpdir, 'unlikely-to-exist'))
      }.to raise_error(Errno::ENOENT)
    end
  end

  describe '#value=', exclude: {browser: :ie} do
    it 'is able to set a file path in the field and click the upload button and fire the onchange event' do
      browser.goto WatirSpec.url_for('forms_with_input_elements.html')

      path = File.expand_path(__FILE__)
      element = browser.file_field(name: 'new_user_portrait')

      element.value = path
      expect(element.value).to include(File.basename(path)) # only some browser will return the full path
    end

    it 'does not alter its argument' do
      value = File.expand_path '.rubocop.yml'
      browser.file_field.value = value
      expect(value).to match(/\.rubocop\.yml$/)
    end
  end
end