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Official Ruby client API for Selenium Remote Control (bare bone client driver)
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README.markdown

Welcome to the official Ruby driver for Selenium Remote Control

Mission

Provide a simple yet idiomatic Ruby API to write Selenium tests in Ruby. Gives you a straightforward way to write your Selenium tests in Ruby.

Install It

The easiest way to install the install selenium-client using RubyGems:

sudo gem install selenium-client

Features

  • Backward compatible with the old-fashioned, XSL generated Selenium Ruby API. See the generated driver to get an extensive reference.

  • Idiomatic interface to the Selenium API. See the Idiomatic module for more details.

  • Convenience methods for AJAX. See the Extensions for more details.

  • Flexible wait semantics inline with the trigerring action. e.g.

    • click 'the_button_id', :wait_for => :page
    • click 'the_button_id', :wait_for => :ajax
    • click 'the_button_id', :wait_for => :element, :element => 'new_element_id'
    • click 'the_button_id', :wait_for => :no_element, :element => 'disappearing_element_id'
    • click 'the_button_id', :wait_for => :text, :text => 'New Text'
    • click 'the_button_id', :wait_for => :no_text, :text => 'Disappearing Text'
    • click 'the_button_id', :wait_for => :effects
    • click 'the_button_id', :wait_for => :condition, :javascript => "some arbitrary javascript expression"

    Check out the click, go_back and wait_for methods of the Idiomatic Module

  • Leveraging latest innovations in Selenium Remote Control (screenshots, log captures, ...)

  • Robust Rake task to start/stop the Selenium Remote Control server. More details in the next section.

  • State-of-the-art reporting for RSpec.

Plain API

Selenium client is just a plain Ruby API, so you can use it wherever you can use Ruby.

To used the new API just require the client driver:

require "rubygems"
require "selenium/client"

For a fully backward compatible API you can start with:

require "rubygems"
gem "selenium-client"
require "selenium"

For instance to write a little Ruby script using selenium-client you could write something like:

#!/usr/bin/env ruby
#
# Sample Ruby script using the Selenium client API
#
require "rubygems"
gem "selenium-client", ">=1.2.9"
require "selenium/client"

begin
  @browser = Selenium::Client::Driver.new("localhost", 4444, "*firefox", "http://www.google.com", 10000);
  @browser.start_new_browser_session
    @browser.open "/"
    @browser.type "q", "Selenium"
    @browser.click "btnG", :wait_for => :page
    puts @browser.text?("selenium.openqa.org")
ensure
  @browser.close_current_browser_session    
end

Writing Tests

Most likely you will be writing functional and acceptance tests using selenium-client. If you are a Test::Unit fan your tests will look like:

#!/usr/bin/env ruby
#
# Sample Test:Unit based test case using the selenium-client API
#
require "test/unit"
require "rubygems"
gem "selenium-client", ">=1.2.9"
require "selenium/client"

class ExampleTest < Test::Unit::TestCase
    attr_reader :browser

  def setup
    @browser = Selenium::Client::Driver.new "localhost", 4444, "*firefox", "http://www.google.com", 10000
    browser.start_new_browser_session
  end

  def teardown
    browser.close_current_browser_session
  end

  def test_page_search
        browser.open "/"
        assert_equal "Google", browser.title
        browser.type "q", "Selenium"
        browser.click "btnG", :wait_for => :page
        assert_equal "Selenium - Google Search", browser.title
        assert_equal "Selenium", browser.field("q")
        assert browser.text?("selenium.openqa.org")
        assert browser.element?("link=Cached")
  end

end

If BDD is more your style, here is how you can achieve the same thing using RSpec:

require 'rubygems'
gem "rspec", "=1.1.11"
gem "selenium-client", ">=1.2.9"
require "selenium/client"
require "selenium/rspec/spec_helper"

describe "Google Search" do
    attr_reader :selenium_driver
    alias :page :selenium_driver

 before(:all) do
   @selenium_driver = Selenium::Client::Driver.new "localhost", 4444, "*firefox", "http://www.google.com", 10000    
 end

 before(:each) do
   selenium_driver.start_new_browser_session
 end

 # The system capture need to happen BEFORE closing the Selenium session 
 append_after(:each) do    
   @selenium_driver.close_current_browser_session
 end

 it "can find Selenium" do    
   page.open "/"
   page.title.should eql("Google")
   page.type "q", "Selenium"
   page.click "btnG", :wait_for => :page
   page.value("q").should eql("Selenium")
   page.text?("selenium.openqa.org").should be_true
   page.title.should eql("Selenium - Google Search")
 end

end 

Start/Stop a Selenium Remote Control Server

Selenium client comes with some convenient Rake tasks to start/stop a Remote Control server. To leverage all selenium-client capabilities I recommend downloading a recent nightly build of a standalone packaging of Selenium Remote Control (great for kick-ass Safari and Firefox 3 support anyway). You will find the mightly build at OpenQA.org

You typically "freeze" the Selenium Remote Control jar in your vendor directory.

require 'selenium/rake/tasks' 

Selenium::Rake::RemoteControlStartTask.new do |rc|
  rc.port = 4444
  rc.timeout_in_seconds = 3 * 60
  rc.background = true
  rc.wait_until_up_and_running = true
  rc.jar_file = "/path/to/where/selenium-rc-standalone-jar-is-installed"
  rc.additional_args << "-singleWindow"
end

Selenium::Rake::RemoteControlStopTask.new do |rc|
  rc.host = "localhost"
  rc.port = 4444
  rc.timeout_in_seconds = 3 * 60
end

Check out RemoteControlStartTask and RemoteControlStopTask for more details.

State-of-the-Art RSpec Reporting

Selenium Client comes with out-of-the-box RSpec reporting that include HTML snapshots, O.S. screenshots, in-browser page screenshots (not limited to current viewport), and a capture of the latest remote controls for all failing tests. And all course all this works even if your infrastructure is distributed (In particular in makes wonders with Selenium Grid)

Using selenium-client RSpec reporting is as simple as using SeleniumTestReportFormatter as one of you RSpec formatters. For instance:

require 'spec/rake/spectask'
desc 'Run acceptance tests for web application'
Spec::Rake::SpecTask.new(:'test:acceptance:web') do |t|
 t.libs << "test"
 t.pattern = "test/*_spec.rb"
 t.spec_opts << '--color'
 t.spec_opts << "--require 'rubygems,selenium/rspec/reporting/selenium_test_report_formatter'"
 t.spec_opts << "--format=Selenium::RSpec::SeleniumTestReportFormatter:./tmp/acceptance_tests_report.html"
 t.spec_opts << "--format=progress"                
 t.verbose = true
end

You can then get cool reports like this one

Contribute and Join the Fun!

We welcome new features, add-ons, bug fixes, example, documentation, etc. Make the gem work the way you envision!

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