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README.markdown

Win32-Autogui

A Win32 GUI testing framework packaged as a RubyGem.

Overview

Win32-autogui provides a framework to enable GUI application testing with Ruby. This facilitates integration testing of Windows binaries using Ruby based tools like RSpec and Cucumber. Examples of using both these tools are provided with this gem.

Quick Start Options

See examples/skeleton/README.markdown for a template of the file structure needed for jump-starting GUI testing with the Win32-autogui RubyGem.

Read our introduction blog posting here: http://www.gearheadforhire.com/articles/ruby/win32-autogui/using-ruby-to-drive-windows-applications

Run Win32-autogui's internal specs and example programs from the system gem location

gem install win32-autogui
gem install bundler

cd C:\Ruby187\lib\ruby\gems\1.8\gems\win32-autogui-X.X.X
bundle install

# run the calculator specs and features
bundle exec rake

# run the example quicknote specs
cd examples\quicknote
bundle install
bundle exec rake

Example Usage: Driving Calc.exe

Using RSpec to test drive the stock Window's calculator application. This example is used as Win32-autogui's internal spec. See spec/auto_gui/application_spec.rb.

A more complete example of testing a Window's Delphi program is presented with source and binaries in examples/quicknote/.

Wrap the application to be tested

The first step is to subclass Win32-autogui's application class.

require File.expand_path(File.dirname(__FILE__) + '/../spec_helper')

class Calculator < Autogui::Application

  # initialize with the binary name 'calc' and the window title
  # 'Calculator' used along with the application pid to find the
  # main application window
  def initialize(options = {})
    defaults = {
                 :name => "calc",
                 :title => "Calculator",
                 :logger_level => Autogui::Logging::DEBUG
               }
    super defaults.merge(options)
  end

  # the calculator's results window
  def edit_window
    main_window.children.find {|w| w.window_class == 'Edit'}
  end

  # About dialog, hotkey (VK_MENU, VK_H, VK_A)
  def dialog_about(options = {})
    Autogui::EnumerateDesktopWindows.new(options).find do |w|
      w.title.match(/About Calculator/) && (w.pid == pid)
    end
  end

  # the 'CE' button
  def clear_entry
    set_focus
    keystroke(VK_DELETE)
  end

end

Write specs

The following RSpec code describes driving the Windows calculator for testing. Multiple instances running simultaneously are supported. See "should control focus with set_focus."

require File.expand_path(File.dirname(__FILE__) + '/../spec_helper')

include Autogui::Input
include Autogui::Logging

describe Autogui::Application do

  describe "driving calc.exe" do

    before(:all) do
      @calculator = Calculator.new
      @calculator.set_focus
    end

    after(:all) do
      @calculator.close(:wait_for_close => true) if @calculator.running?
      @calculator.should_not be_running
    end

    it "should start when initialized" do
      @calculator.should be_running
    end

    it "should die when sending the kill signal" do
      killme = Calculator.new
      killme.should be_running
      killme.kill
      killme.should_not be_running
    end

    it "should have the title 'Calculator' that matches the main_window title" do
      @calculator.main_window.title.should == 'Calculator'
      @calculator.main_window.title.should == @calculator.title
    end

    it "should have an inspect method showing child window information" do
      @calculator.inspect.should match(/children=</)
    end

    it "should raise an error if setting focus and the application title is incorrect" do
      goodcalc = Calculator.new :title => "Calculator"
      lambda { goodcalc.set_focus }.should_not raise_error
      goodcalc.close

      badcalc = Calculator.new :title => "BaDTitle"
      lambda {
        begin
          badcalc.setfocus
        ensure
          badcalc.kill
        end
      }.should raise_error
    end

    it "should control the focus with 'set_focus'" do
      @calculator.set_focus
      keystroke(VK_9)
      @calculator.edit_window.text.strip.should == "9."

      calculator2 = Calculator.new
      calculator2.pid.should_not == @calculator.pid
      calculator2.set_focus
      keystroke(VK_1, VK_0)
      calculator2.edit_window.text.strip.should == "10."

      @calculator.set_focus
      @calculator.edit_window.text.strip.should == "9."

      calculator2.close(:wait_for_close => true)
    end

    it "should open and close the 'About Calculator' dialog via (VK_MENU, VK_H, VK_A)" do
      @calculator.set_focus
      dialog_about = @calculator.dialog_about
      dialog_about.should be_nil
      keystroke(VK_MENU, VK_H, VK_A)
      dialog_about = @calculator.dialog_about
      dialog_about.title.should == "About Calculator"
      dialog_about.combined_text.should match(/Microsoft . Calculator/)
      dialog_about.close
      @calculator.dialog_about.should be_nil
    end

    describe "calculations" do
      before(:each) do
        @calculator.clear_entry
      end

      it "should calculate '2+2=4' using the keystroke method" do
        @calculator.set_focus
        keystroke(VK_2, VK_ADD, VK_2, VK_RETURN)
        @calculator.edit_window.text.strip.should == "4."
      end

      it "should calculate '2+12=14' using the type_in method" do
        @calculator.set_focus
        type_in("2+12=")
        @calculator.edit_window.text.strip.should == "14."
      end
    end

    describe "clipboard" do
      before(:each) do
        @calculator.clear_entry
        @calculator.clipboard.text = ""
        @calculator.clipboard.text.should == ""
      end

      describe "copy (VK_CONTROL, VK_C)" do
        it "should copy the edit window" do
          @calculator.set_focus
          type_in("3002")
          @calculator.edit_window.text.strip.should match(/3,?002\./)
          @calculator.edit_window.set_focus
          keystroke(VK_CONTROL, VK_C)
          @calculator.clipboard.text.should == "3002"
        end
      end

      describe "paste (VK_CONTROL, VK_V)" do
        it "should paste into the edit window" do
          @calculator.edit_window.set_focus
          @calculator.clipboard.text = "12345"
          @calculator.edit_window.text.strip.should == "0."
          keystroke(VK_CONTROL, VK_V)
          @calculator.edit_window.text.strip.should match(/12,?345\./)
        end
      end

    end

  end
end

System Requirements

Windows OS, version 2000 or higher

Testing was done on the following Ruby platforms:

  • ruby 1.8.7 (2008-08-11 patchlevel 72) [i386-cygwin]
  • ruby 1.8.7 (2010-08-16 patchlevel 302) [i386-mingw32]
  • ruby 1.9.2p290 (2011-07-09) [i386-mingw32]

Dependencies

Win32-autogui depends on the following RubyGems

Installation

Win32-autogui is available on RubyGems.org

gem install win32-autogui

References and Alternative Libraries

Development

Win32-autogui development was jump-started by cloning BasicGem.

Dependencies

Rake tasks

bundle exec rake -T

rake build         # Build win32-autogui-0.0.1.gem into the pkg directory
rake doc:clean     # Remove generated documenation
rake doc:generate  # Generate YARD Documentation
rake features      # Run Cucumber features
rake install       # Build and install win32-autogui-0.0.1.gem into system gems
rake release       # Create tag v0.0.1 and build and push win32-autogui-0.0.1.gem to Rubygems
rake spec          # Run specs
rake test          # Run specs and features

Autotesting with Watchr

Watchr provides a flexible alternative to Autotest.

NOTE: The following assumes a global setting of 'git config core.autocrlf input' and that you want to modify the Delphi 7 source to Quicknote which requires CRLF line endings.

Grab the source

cd ~/workspace
git clone http://github.com/robertwahler/win32-autogui -n
cd win32-autogui
git config core.autocrlf true
git checkout

Install Watchr

gem install watchr

Run Watchr on Quicknote

cd examples/quicknote
watchr spec/watchr.rb

Watchr will now watch the files defined in 'spec/watchr.rb' and run RSpec or Cucumber, as appropriate.

Copyright

Copyright (c) 2010-2012 GearheadForHire, LLC. See LICENSE for details.

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