How to work with Selenium Grid: a quick walkthrough
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Selenium Grid is a tool that distributes tests across multiple machines to accelerate the testing process. It has a hub that triggers tests and nodes that execute them. To use the grid, one configures the hub and nodes, develops and prepares tests in an XML file, then executes the tests across different browsers in parallel. The document provides details on setting up and using Selenium Grid to distribute tests across a cluster of machines.
How to work with Selenium Grid: a quick walkthrough
- 1. 1Confidential and propriety Galil Software, Ltd. 201230-Dec-14 Authors : Amir Najjar – Automation Technical Leader. Selenium & more.
- 2. 2Confidential and propriety Galil Software, Ltd. 201219.8.12 Selenium Grid - What is Selenium Grid? - Tool for distributing tests across multiple physical or virtual machines simultaneously. - Dramatically accelerates the testing process and returns a quick feedback. - The code doesn’t need to be present on the machines which run the tests.
- 3. 3Confidential and propriety Galil Software, Ltd. 201219.8.12 Hub and Node. - Hub - central point where the tests would be triggered. A Selenium Grid has only one Hub and it is launched on a single machine once. - Node - Nodes are the Selenium instances that are attached to the Hub which execute the tests. There can be one or more nodes in a grid which can be of any OS and can contain any of the Selenium supported browsers.
- 5. 5Confidential and propriety Galil Software, Ltd. 201219.8.12 Working with the grid – 5 steps: * Configuring the Hub java –jar sel-server-standalone.jar –port 4444 –role hub –nodeTimeout 1000 * Configuring the Nodes (server-standalone) java -jar D:JARselenium-server-standalone-2.42.2.jar -role node -hub http://10.30.217.157:4444/grid/register -browser browserName=firefox -port 5555 * Develop the Script and Prepare the XML File * Test Execution * Result Analysis
- 6. 6 Data Sources • <?xml version="1.0" encoding="UTF-8"?> • <!DOCTYPE suite SYSTEM "http://testng.org/testng-1.0.dtd"> • <suite name="Suite" parallel="tests"> • <test name="Test With FF"> • <parameter name="browser" value="firefox" /> • <classes> • <class name=“com.amir.TestClass" /> • </classes> • </test> • <test name=“Test With Chrome"> • <parameter name="browser" value="chrome" /> • <classes> • <class name=" com.amir.TestClass " /> • </classes> • </test> • <test name=“Test with IE"> • <parameter name="browser" value="ie" /> • <classes> • <class name=" com.amir.TestClass " /> • </classes> • </test> • • </suite>
- 7. 7Confidential and propriety Galil Software, Ltd. 201219.8.12 Thank you Amir Najjar – Automation Technical Leader. Milestones: