require File.expand_path('spec_helper', File.dirname(__FILE__))

require 'nokogiri'

shared_examples_for "session with javascript support" do
  describe '#body' do
    it "should return the current state of the page" do
      @session.visit('/with_js')
      @session.body.should include('I changed it')
      @session.body.should_not include('This is text')
    end
  end

  describe '#source' do
    it "should return the original, unmodified source of the page" do
      pending "cannot figure out how to do this with selenium" if @session.mode == :selenium
      @session.visit('/with_js')
      @session.source.should include('This is text')
      @session.source.should_not include('I changed it')
    end
  end

  describe "#evaluate_script" do
    it "should return the evaluated script" do
      @session.visit('/with_js')
      @session.evaluate_script("1+3").should == 4
    end
  end

  describe '#locate' do
    it "should wait for asynchronous load" do
      @session.visit('/with_js')
      @session.click_link('Click me')
      @session.locate("//a[contains(.,'Has been clicked')]")[:href].should == '#'
    end
  end

  describe '#wait_until' do
    before do
      @default_timeout = Capybara.default_wait_time
    end

    after do
      Capybara.default_wait_time = @default_wait_time
    end

    it "should wait for block to return true" do
      @session.visit('/with_js')
      @session.select('My Waiting Option', :from => 'waiter')
      @session.evaluate_script('activeRequests == 1').should be_true
      @session.wait_until do
        @session.evaluate_script('activeRequests == 0')
      end
      @session.evaluate_script('activeRequests == 0').should be_true
    end

    it "should raise Capybara::TimeoutError if block doesn't return true within timeout" do
      @session.visit('/with_html')
      Proc.new do
        @session.wait_until(0.1) do
          @session.find('//div[@id="nosuchthing"]')
        end
      end.should raise_error(::Capybara::TimeoutError)
    end

    it "should accept custom timeout in seconds" do
      start = Time.now
      Capybara.default_wait_time = 5
      begin
        @session.wait_until(0.1) { false }
      rescue Capybara::TimeoutError; end
      (Time.now - start).should be_close(0.1, 0.1)
    end

    it "should default to Capybara.default_wait_time before timeout" do
      start = Time.now
      Capybara.default_wait_time = 0.2
      begin
        @session.wait_until { false }
      rescue Capybara::TimeoutError; end
      (Time.now - start).should be_close(0.2, 0.1)
    end
  end

  describe '#click' do
    it "should wait for asynchronous load" do
      @session.visit('/with_js')
      @session.click_link('Click me')
      @session.click('Has been clicked')
    end
  end

  describe '#click_link' do
    it "should wait for asynchronous load" do
      @session.visit('/with_js')
      @session.click_link('Click me')
      @session.click_link('Has been clicked')
    end
  end

  describe '#click_button' do
    it "should wait for asynchronous load" do
      @session.visit('/with_js')
      @session.click_link('Click me')
      @session.click_button('New Here')
    end
  end

  describe '#fill_in' do
    it "should wait for asynchronous load" do
      @session.visit('/with_js')
      @session.click_link('Click me')
      @session.fill_in('new_field', :with => 'Testing...')
    end
  end

  describe '#has_xpath?' do
    it "should wait for content to appear" do
      @session.visit('/with_js')
      @session.click_link('Click me')
      @session.should have_xpath("//input[@type='submit' and @value='New Here']")
    end
  end

  describe '#has_no_xpath?' do
    it "should wait for content to disappear" do
      @session.visit('/with_js')
      @session.click_link('Click me')
      @session.should have_no_xpath("//p[@id='change']")
    end
  end

  describe '#has_css?' do
    it "should wait for content to appear" do
      @session.visit('/with_js')
      @session.click_link('Click me')
      @session.should have_css("input[type='submit'][value='New Here']")
    end
  end

  describe '#has_no_xpath?' do
    it "should wait for content to disappear" do
      @session.visit('/with_js')
      @session.click_link('Click me')
      @session.should have_no_css("p#change")
    end
  end

  describe '#has_content?' do
    it "should wait for content to appear" do
      @session.visit('/with_js')
      @session.click_link('Click me')
      @session.should have_content("Has been clicked")
    end
  end

  describe '#has_no_content?' do
    it "should wait for content to disappear" do
      @session.visit('/with_js')
      @session.click_link('Click me')
      @session.should have_no_content("I changed it")
    end
  end

end