Automated ui-testing

Automated UI Testing with
Selenium WebDriver
Automated UI Testing with Selenium

Slobodan Lohja
Full stack developer focus on open
source technologies.
Working with Domino since version
4.5.
Fan of enterprise Java, XPages, Spring
and Hibernate.
I learned to enjoy enterprise java
development over the years.

Agenda
• Introduction
• Workstation Setup
• Project hands on
• Tips

• Manual Testers
• Test Engineers
• Managers
• Automation Engineer
Introduction – Who is it for?

• Tool that covers multiple browsers across
platforms.
• Supports many Programming languages
• Can simulate a user case and validate
check points
• Open Source free of cost
Introduction – Why Selenium

Selenium IDE
• Record and Play
• Does not scale on large projects
• Only used with Firefox.
Selenium RC
• Supports multiple OS, browsers and languages
• Works on any browser that supports Javascript.
• JavaScript injection can be blocked in some
browsers
• Deprecated by Selenium Web Driver
Introduction – Selenium Components

Selenium WebDriver
• JavaScript injection removed.
• Supports multiple OS, browsers and languages
• No Server needed
• iOS and Android support
• Interacts with browser native code
Selenium Grid – Parallel/Sequential Execution
• Designed to distribute test cases to many
machines
Introduction – Selenium Components

Each browser manufacturer produces
a WebDriver
Introduction – WebDriver
WebDriver
Interface
(APIs)
Firefox
Driver
Safari
Driver
Chrome
Driver
Others
User
Code

• Java SE Development Kit (JDK)
• Eclipse IDE (Maven included)
• WebDrivers for each browser
• Selenium WebDriver Jar libraries
• “Try Xpath” Firefox Add On
Workstation Setup

• https://www.seleniumhq.org/download/
• Save Selenium Java JARS into c:libsselenium
• Save WebDrivers to a common directory
c:webdrivers
Workstation Setup - WebDriver Links

package com.xpagesbeast.test;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.firefox.FirefoxDriver;
public class TestSuite {
public static void main(String[] args) {
WebDriver driver;
System.setProperty("webdriver.gecko.driver", "/webdrivers/geckodriver.exe");
driver = new FirefoxDriver();
String baseURL = "http://www.google.com";
driver.get(baseURL);
}
}
Project Hands On – Simple proof of concept

Project Hands On – Simple proof of concept
Find html elements by these attributes:
• Id
• Name
• Class Name
• XPath
• Link Text
• Partial Link Text
• Tag Name
• CSS Selector

Project Hands On – Advanced CSS Selectors
Find html elements by these attributes:
• Tag[attribute=‘value’]
• .class1.class2.class3 append until we find
an element

Find html elements by these wildcards:
“^” represents the starting text
“$” represents the ending text
“*” represents the text contained
Example:
Tag[attribute<wildcard>=‘value’]
Input[class^=‘requiredInput’]

Find child html elements:
“>” children
Example:
tag>tag
fieldset>input
Fieldset>input#name

Project Hands On – XPath Selectors
Find child html elements:
• Sing ‘/’ look inside the parent (relative)
• Double ‘//’ look for any child or nested children element inside
the parent.
//tag[@attribute=‘value’
//tag[text()=‘value’] -> Find based on text in between tag.
Example:
.//*[#id=‘navbar’]
Tip: Once you find the element, replace ‘*’ with proper tag.

• Selenium WebDriver --‐> 3.0.1
• Gecko Driver --‐>0.11.1
• FF --‐> 49.0.2
• If you get errors, check your versions are
compatible.
Tips

• java.lang.IllegalStateException:
The path to the driver executable must be set by
the webdriver.gecko.driver system poperty;
Tips

System.setProperty("webdriver.gecko.driver",
"/webdrivers/geckodriver.exe");
Every Java program that starts launches its own
JVM instance (process). The System.Property is a
HashMap (key value pair). There is one for every
JVM Instance (one for every Java process).
Tips

Driver.findElement(By.tagName(“a”)).click();
Hardly used, finds first <a /> tag and clicks it in
the DOM.
Opposite with the By Id methods gives an error if
there is more than one found.
Tips

Slobodan Lohja
Blog: uxdesign.xpagesbeast.com
Email: slohja@hotmail.com
LinkedIn: linkedin.com/in/slobodanlohja/
Twitter: @xpagesbeast

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