This document provides an overview of the Selenium automation testing tool. It discusses why automation testing is needed, defines Selenium and its main components, and describes how to test with Selenium. The key components of Selenium are its IDE, WebDriver, Grid, and Selenese command language. Selenium allows testing web applications across different browsers and machines through a record and playback interface or programmatic API.

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Selenium
Automation Testing Tool :
Overview

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Selenium : Overview
Automation Testing Tool
 Why Automation Testing?
 Some Myths n Realities About Test Automation
 What is Selenium?
 Components of Selenium
 Selenium Features comparing to QTP
 Selenium IDE
 Selenium RC
 Selenium Grid
 Selenese
 Testing With Selenium

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Automation Testing

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 Software tests have to be repeated often during development
cycles to ensure quality
 Lengthy tests that are often avoided during manual testing
 Even the most conscientious tester will make mistakes during
monotonous manual testing
 Even the largest software and QA departments cannot perform a
controlled web application test with thousands of users
Automation Testing
Why is it required?

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Automation Testing
Definition
Software Test automation makes use of specialized tools
to control the execution of tests and compares the actual
results against the expected result.

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Automation testing involves :
 Creating automation Framework
 Writing automation scripts
 Setting-up or configuring preconditions
 Executing automation scripts
 configuring post conditions
 Comparing Actual result against expected results
 Creating statistical reports
Automation Testing
Definition

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Automation Testing
Advantages
Advantages of Automation testing :
 Automated Software Testing Saves Time and Money
• Running tests 24/7
• Fewer Human resources
 Automation Does What Manual Testing Cannot
• Volume
• Reusable
 Vastly Increases Your Test Coverage
 Testing Improves Accuracy
• Reliability

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Automation Testing
Myths
Myth: Automation replaces testers
Reality: Manual Testing can never be eliminated
Myth: Automation training is a lengthy process
Reality: Learning curve can be reduced by following a correct methodology
Myth: Automation tool is difficult to use
Reality: With adequate training the testers can be easily migrated to any new
testing tool
Myth: A single tester can easily perform a dual role of manual and automation
Reality: A set of resources dedicated only to test automation is imperative for
avoiding dilemma situations

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Selenium

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Selenium : Overview
Definition
Selenium is a portable software testing framework for web applications.
Selenium provides a record/playback tool for authoring tests without learning a
test scripting language.
Selenium automates browsers! What you do with that power is entirely up to you
Selenium comprises of following components:
• IDE
• WebDriver
• clientAPI
• Grid
• Remote Driver.

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Selenium : Overview
Comparison

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Selenium : Overview
Comparison

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Selenium : Overview
Comparison

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Selenium : Overview
Selenium IDE
◘ Selenium IDE is a complete integrated development environment
(IDE) for Selenium tests.
◘ It’s a Firefox Add-On.
◘ Provides Record & Playback functionality
◘ Scripts are recorded in Selenese
◘ Scripts can run only in Firefox
◘ Recorded Scripts can be edited manually
◘ Scripts can be exported in multiple languages

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Selenium : Overview
Selenium WebDriver
◘ Selenium WebDriver was introduced as part of Selenium 2.0 release
◘ It’s simple and better way for automation of web applications
◘ Uses browser native commands to drive browser like a manual test
◘ Overcomes Selenium 1.0 /RC limitations
◘ Supports/can run Selenium RC code
◘ Allows coding in multiple languages like Java, C#, Python…
◘ Supports multiple browsers and operating systems

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Selenium : Overview
Selenium RC and client API
♦ Selenium RC is predecessor of Selenium WebDriver
♦ Selenium Remote Control (RC) is a server, written in Java, that
accepts commands for the browser via HTTP
♦ RC makes it possible to write automated tests for a web application
in any programming language, which allows for better integration of
Selenium in existing unit test frameworks.
♦ Selenium RC is depericated

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Selenium : Overview
Selenium Grid
 Selenium Grid is a server that allows tests to use web browser
instances running on remote machines.
 With Selenium Grid, one server acts as the hub. Tests contact the hub
to obtain access to browser instances. The hub has a list of servers
that provide access to browser instances (WebDriver nodes), and lets
tests use these instances.
Selenium Grid allows running tests in parallel on multiple machines,
and to manage different browser versions and browser configurations
centrally (instead of in each individual test).

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Selenium : Overview
Selenese
Selenese is the set of selenium commands which are used to test
your web application. Tester can test the broken links, existence of
some object on the UI, Ajax functionality, Alerts, window, list options
and lot more using selenese.
Selenium commands are classified into 3 basic categories:
o Actions
o Accessors
o Assertions

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Selenium is a set of different software tools each with a different approach to
supporting test automation.
Most Selenium QA Engineers focus on the one or two tools that most meet the
needs of their project, however learning all the tools will give you many different
options for approaching different test automation problems.
The entire suite of tools results in a rich set of testing functions specifically
geared to the needs of testing of web applications of all types.
These operations are highly flexible, allowing many options for locating UI
elements and comparing expected test results against actual application
behavior.
Selenium : Overview
Testing with Selenium

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“
If you don’t like testing your Product,most
likely your customers won’t like to test it either.