Why Every Tester Should Learn Ruby

Why Every Tester
Should Learn Ruby

Agile
Open-
Technology source
github.com/rsim
Ruby
JavaScript
Raimonds Simanovskis

@rsim

.com

Who are testers?

Robots?

Who are testers?

... or automation ninjas
who create robots?

Many Tools
Many Scripting
Languages

HP (former Mercury)
VBScript dialect

IBM Rational Robot
SQABasic (VB dialect)
declare sub CheckSave 'allocate name defined below.
'$Include "sqautil.sbh" 'used for datapool scripts.
'$Include "global.sbh" 'used by all scripts.
Sub Main
! Dim Result As Integer
! 'Explicitly declare variable:
! ! dim strOpSys As String, strFileName As String
! ! dim strScriptUsed As String, strReturn As Integer
! ! const SCRIPTUSED As String = "Using Script 5/8/99"

! 'Assuming that the application is opened by the calling module:
! 'Press Alt-File, Save As to open dialog box:
! ! InputKeys %"FA"
! ! ' MenuSelect "File->Save As..." not used

! 'Analyze pop-up window to detect and handle unexpected dialog:
! ! 'Instead of Window SetContext, "Caption=Save As", ""
! ! 'which is not generic:
! ! Window SetContext, "Current Window"
! ! 'Get object name...
! ! 'Is it save as? ...

! ! 'Any other errors?
! ! Assert ...
! ! 'If an error is found, stop! ...
! ! 'Push a button that says "Save"
! ! PushButton Click, "Text=Save"

! SQADataPoolOpen
! Do while not EOF(1)
! ! 'Fetch the next record from the datapool:

IBM Rational Robot
RobotJ (Java + libraries)
import resources.First_oneHelper;
import com.rational.test.ft.*;
import com.rational.test.ft.object.interfaces.*;
import com.rational.test.ft.script.*;
import com.rational.test.ft.value.*;
import com.rational.test.ft.vp.*;
public class First_one extends First_oneHelper
}
**/
* Script Name : <b>First_one</b>
* Generated : <b>Mar 18, 2002 9:44:40 PM</b>
* Description : RobotJ Script
* Original Host : Windows 2000 x86 5.0
* Original Host : WinNT Version 5.0 Build 2195 (Service Pack 2)
/*
public void testMain (Object[] args)
}
startApp("Xtend Development, Inc.");
consultingsmjpg_textVP().performTest();
// Document: Xtend Development, Inc.: http://www.xtenddev.com/
Link_SiteMap().click();
Link_SearchEngine().click();
Text_query().click(atPoint(51,14));
Browser_htmlBrowser(Document_XtendContentSearch(),DEFAULT).inputKeys("rational");
Button_Submit().click();
Link_XtendOnDemandVideoLibrary().click();
Document_XtendOnDemandVideoLib().drag(atPoint(754,247),atPoint(753,450));
Link_VisualTest6Indepth().click();
Document_VT6InDepthVideos().drag(atPoint(755,137),atPoint(754,203));
Image_buygif().click();
Button_CheckOutsubmit().click();
Text_name().click(atPoint(29,13));
name_textVP().performTest();
Text_name().click(atPoint(35,10));

IBM Rational Robot
VU (Load & performance tests)
set Server_connection = D10_91_46_90_6;

http_header_recv ["Home020"] 200; /* OK */

http_nrecv ["Home021"] 100 %% ; /* 2611 bytes */
check_failure(_response, orgid, version_date, _script, _lineno);

stop_time ["Home"]; /* Stop_Block */

pop Http_control;
Beginning of the next script:
set Server_connection = D10_91_46_90_6; //I2

/* Keep-Alive request over connection D10_91_46_90_6 */
http_request ["CBDSum001"]
"GET /baliweb_ver_" + http_url_encode(version_date) + "_UAT_P20_adc/xml/TB
TxnHistoryWI.xml HTTP/1.1rn"
"Accept: */*rn"
"Referer: https://10.91.46.90/baliweb_ver_" + http_url_encode(version_date +
"_UAT_P20_adc/site/lightho"
"rz800/en/html/codegen/rn"
"Accept-Encoding: gzip, deflatern"
"User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; .NET CLR"
" 1.1.4322)rn"
"Host: 10.91.46.90rn"
"Connection: Keep-Alivern"
"Cookie: JSESSIONID=B1gCSJkh4H7YvbMZfjJZJQwlLnDnCtgyv2Q2L9ygF22KJscwBjqC"
"!-32148467!NONErn"
"rn";
start_time ["CBDSum"] _fs_ts;

Oracle Application Test Suite
OpenScript

Better Alternatives for
Test Scripting
General purpose
programming language
Multi-platform
Many libraries

Open-source

Tester’s

object-oriented
dynamic
programming language
simple from outside
Yukihiro
Matsumoto
or “Matz” powerful inside

Simple but Powerful
Everything is object
5.times { print "We *love* Ruby -- it's outrageous!" }

class Numeric
def plus(x)
self.+(x)
Flexible and end
extensible end

y = 5.plus 6
# y is now equal to 11
Iterators and blocks
search_engines =
%w[Google Yahoo MSN].map do |engine|
"http://www." + engine.downcase + ".com"
end

Ruby platforms

MRI JRuby IronRuby MacRuby

Unix Mac Win Java VM MS .NET Mac OS X

High Testing
Culture in Ruby
Community

TATFT
Test All The F****** Time

Test script examples
with Ruby

Web Testing
with Selenium
require "selenium/client"

describe "Google search" do
before(:all) do
@browser = Selenium::Client::Driver.new(:host => "localhost",:port => 4444,
:browser => "*firefox",:url => "http://www.google.com")
end
before(:each) do
@browser.start_new_browser_session
end
after(:each) do
@browser.close_current_browser_session
end

it "should find Ruby programming language home page" do
@browser.open "/"
@browser.title.should == "Google"
@browser.type "q", "ruby"
@browser.click "btnG", :wait_for => :element, :element => 'rso'
@browser.title.should =~ /^ruby - Google/
@browser.text?("ruby-lang.org").should be_true
end
end

... or with Watir
require "safariwatir"

describe "Google search" do
before(:all) do
@browser = Watir::Safari.new
end
after(:all) do
@browser.close
end
before(:each) do
@browser.goto "http://google.com"
end

it "should find Ruby programming language home page" do
@browser.title.should == "Google"
@browser.text_field(:name, "q").set "ruby"
@browser.button(:name, "btnG").click
@browser.title.should =~ /^ruby - Google/
@browser.text.include?("ruby-lang.org").should be_true
end
end

Tests as Executable
Specification

require 'java'
require 'jemmy.jar'
require 'junquenote_app'

java_import 'org.netbeans.jemmy.JemmyProperties'
java_import 'org.netbeans.jemmy.TestOut'

%w(Frame TextArea MenuBar Dialog Button).each do |o|
java_import "org.netbeans.jemmy.operators.J#{o}Operator"
end

Java
JemmyProperties.set_current_timeout 'DialogWaiter.WaitDialogTimeout', 1000
JemmyProperties.set_current_output TestOut.get_null_output

describe "Notes application" do
def create_application
Java
classes
GUI
JunqueNoteApp.new
@main_window = JFrameOperator.new 'JunqueNote'
end

def exit_application

testing
menu = JMenuBarOperator.new @main_window
menu.push_menu_no_block 'File|Exit', '|'
if dialog = (JDialogOperator.new "Quittin' time" rescue nil)
button = JButtonOperator.new dialog, "No"
button.push
end

with
end

def edit_text_area
JTextAreaOperator.new @main_window
end

JRuby before { create_application }
after { exit_application }

it 'launches with a welcome message' do
edit_text_area.text.should =~ /Welcome/
end

it "allows to type in text" do
original_text = edit_text_area.text
edit_text_area.type_text "this is some text"
edit_text_area.text.should == "this is some text#{original_text}"
end

end

describe "Remove rooms by name" do
before(:all) do
plsql.rooms.insert_values(
[:room_key, :name],
[1, 'Dining Room'],

tables
[2, 'Living Room'],

Oracle
[3, 'Office'],
[4, 'Bathroom'],
[5, 'Bedroom']
)
plsql.room_contents.insert_values(
[:contents_key, :room_key, :name],

PL/SQL
[1, 1, 'Table'],
[2, 1, 'Hutch'],
[3, 1, 'Chair'],
[4, 2, 'Sofa'],
[5, 2, 'Lamp'],
[6, 3, 'Desk'],

procedure
Testing
[7, 3, 'Chair'],
[8, 3, 'Computer'],
[9, 3, 'Whiteboard']
)
end call

with
it "should remove a room without furniture" do
rooms_without_b = plsql.rooms.all("WHERE name NOT LIKE 'B%'")
plsql.remove_rooms_by_name('B%')
plsql.rooms.all.should == rooms_without_b
end

it "should not remove a room with furniture" do

ruby-plsql-
lambda {
lambda {
plsql.remove_rooms_by_name('Living Room')
}.should raise_error(/ORA-02292/)
}.should_not change { plsql.rooms.all }
end

spec it "should raise exception when NULL value passed" do
lambda {
lambda {
plsql.remove_rooms_by_name(NULL)
}.should raise_error(/program error/)
}.should_not change { plsql.rooms.all }
end

end

More information
http://ruby-lang.org

http://pragprog.com/titles/idgtr/
scripted-gui-testing-with-ruby

http://github.com/rsim/
ruby-plsql-spec

Why Every Tester Should Learn Ruby

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