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Selenium WebDriver 3 Practical Guide

You're reading from   Selenium WebDriver 3 Practical Guide End-to-end automation testing for web and mobile browsers with Selenium WebDriver

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Product type Paperback
Published in Jul 2018
Publisher Packt
ISBN-13 9781788999762
Length 280 pages
Edition 2nd Edition
Languages
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Authors (3):
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Satya Avasarala Satya Avasarala
Author Profile Icon Satya Avasarala
Satya Avasarala
Pallavi Sharma Pallavi Sharma
Author Profile Icon Pallavi Sharma
Pallavi Sharma
UNMESH GUNDECHA UNMESH GUNDECHA
Author Profile Icon UNMESH GUNDECHA
UNMESH GUNDECHA
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Table of Contents (14) Chapters Close

Preface 1. Introducing WebDriver and WebElements 2. Different Available WebDrivers FREE CHAPTER 3. Using Java 8 Features with Selenium 4. Exploring the Features of WebDriver 5. Exploring Advanced Interactions of WebDriver 6. Understanding WebDriver Events 7. Exploring RemoteWebDriver 8. Setting up Selenium Grid 9. The PageObject Pattern 10. Mobile Testing on iOS and Android using Appium 11. Data-Driven Testing with TestNG 12. Assessments 13. Other Books You May Enjoy

Understanding the hub

The hub is the central point of a Selenium Grid. It has a registry of all the available nodes that are connected and part of a particular grid. The hub is a Selenium Standalone server running in the hub mode, listening on port 4444 of a machine by default. The test scripts will try to connect to the hub on this port, just as any Remote WebDriver. The hub will take care of rerouting the test-script traffic to the appropriate test-platform node. Let's see how we can start a hub node. Navigate to the location where you have your Selenium server JAR file and execute the following command:

java -jar selenium-server-standalone-3.12.0.jar -role hub

Doing this will start your server in the hub mode. By default, the server starts listening on port 4444; however, you can start your server on the port of your choice. Suppose you want to start the server on port...

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