How To Run Selenium Tests In Docker ?

QAutomation News / By Himanshu Sheth

Automation testing and Continuous Integration (CI) are integral parts of the development and test activity. Selenium test automation is one such approach that helps in the end-to-end testing of the web product. The not-so-preferred way of performing tests using the Selenium framework involves installing the required web browser and its corresponding browser drivers. In this blog, we deep dive into how to run Selenium tests in Docker in order to accelerate the Selenium test automation activity.

Introduction to Docker

When it comes to Selenium automation testing, it is important that a test run in one execution environment does not hinder the execution of tests run in another test environment (s). Hence, automation tests should be run in isolation, and Docker helps in realizing this ‘essential’ requirement.

Running Selenium tests in Docker containers helps in performing code reviews (at a faster pace), thereby realizing better quality code, attaining high test coverage, and developing an awesome-quality product. Docker provides the flexibility to execute tests in containers or isolate the tests in development and deployment. There are umpteen reasons to use Selenium with Docker for web application testing.

What is Docker ?

Docker is an open-source containerization platform that makes it easy to create, deploy, and run applications in a secure manner using containers. Docker provides virtualization at the Operating System (OS) level. All the software parts in Docker are organized in Containers.

By default, Dockers come with the strongest isolation capabilities, and the applications run safely and securely in the relevant containers. Also, Docker runs as a discrete process on the host machine. Along with the flexibility to run Docker on local machines that run Windows, Mac, or Linux, it can also be run on cloud infrastructure like AWS, Azure, etc.

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