In today’s digital age, websites and applications have become essential for organizations worldwide. For a website or application to attain success, it must undergo efficient development, browser testing, and deployment processes. Continuous Integration (CI) is a widely employed approach in software development that strives to speed up the development process while guaranteeing high-quality code.
Jenkins is a highly-regarded open-source CI tool that furnishes developers with an accessible and customizable platform for automating the build, test, and deployment process. Selenium, on the contrary, is an open-source testing tool that can proficiently automate functional tests for web applications.
Selenium enjoys extensive adoption in the testing industry because of its user-friendliness, accessibility, and community help desk. The Jenkins Selenium combination is an outstanding illustration of the effective implementation of continuous integration and deployment.
This blog will explore integrating Jenkins and Selenium to create an efficient CI environment for web application development.
Let us get started.
What Is Jenkins?
Jenkins is a robust and versatile open-source DevOps tool that automates continuous integration/delivery and deployment (CI/CD) software processes. It is written in the Java programming language. Jenkins is utilized to execute CI/CD workflows named as pipelines.
Pipelines provide a streamlined approach to automate testing and reporting on individual changes made within a more extensive code base in real-time. They also aid in integrating divergent code branches into a central unit, improving team efficiency and code quality. Furthermore, pipelines rapidly build the software, catch defects in a code base, prepare the code base for deployment or delivery, automate testing of their builds, and ultimately deploy code to virtual machines and containers. Additionally, they also have bare metal and cloud servers.
Salient Features Of Jenkins
Jenkins prioritizes functionality over user interface, which demands a certain level of familiarity with the tool. Consequently, users may experience a learning curve when first becoming acquainted with Jenkins. Here are a few of the powerful developer-centric features provided by Jenkins:
- Easy Installation and Configuration: Jenkins is a Java-based program that operates independently of the operating system on which it is installed, exhibiting a platform-agnostic nature. The software is readily accessible across various popular operating systems, including Windows, myriad Unix versions, and Mac OS. Furthermore, Jenkins is available as a standard installer. It is also known as a a.war file. Once the software is installed, it is straightforward to configure utilizing its web interface.
- Thriving Plugin Ecosystem: The Jenkins community serves as the foundation of the platform’s success, with its members playing pivotal roles in creating and testing over 1500 plugins presently available in the Update Center.
- Open-Source: Jenkins is an open-source tool. It implies that the tool is free of cost. The community plays a substantial role in the effectiveness of this CI/CD tool, rendering it a robust solution. Jenkins community also offers support for documentation, extensibility, or any other feature associated with Jenkins.
- Easy Distribution: The tool is designed to distribute work across numerous machines and platforms for testing straightforwardly, accelerated build, and deployment.
What Is Selenium?
Selenium is a robust web browser open-source automation framework. The framework is widely utilized for testing web applications. Selenium is easy to use and provides support forums. It makes it prevalent among the testing community. Selenium authorizes developers and QA professionals to test web applications, automate repetitive tasks, and ensure the application’s functionality across various browsers and platforms.
Furthermore, Selenium provides parallel testing and cross-browser testing features. This authorizes the testers to conduct their test cases in diverse operating systems and browsers, which assures browser compatibility of the web application. In addition, Selenium assists in minimizing manual testing efforts, leading to expedited development cycles and enhanced software quality. Utilizing the Selenium framework, developers and testers can provide faster test cycles by automating repeated test cases.
When Selenium is integrated with the continuous integration/delivery pipeline, it can provide a sturdy, reliable, bug-free release deployment pipeline. The framework has four components: Selenium IDE, Selenium WebDriver, Selenium RC, and Selenium Grid. All these are designed and utilized for different purposes.
Salient Features Of Selenium
When the testing process is manual, comprehensive testing is a part of the Software Development Life Cycle (SDLC). The time taken in the testing process depends on the size of the testing team. It may take a day or two or even weeks. Manual testing demands lots of time and effort. Also, the process is prone to errors. Selenium automation testing is a solution to all these testing issues. Here are a few key features of using Selenium:
- Faster Cross-Browser Testing: browser testing is a nightmare for manual testers. However, it can be automated with Selenium WebDriver. Selenium supports various web browsers like Firefox, Opera, Edge, Safari, Chrome, and Internet Explorer. This feature makes testing easier for testers.
- Integration with CI/CD Pipelines: Selenium can seamlessly integrate with CI/CD pipelines, eliminating the need for manual cross-browser compatibility testing following every build. It can save significant time and effort while ensuring a more efficient and streamlined development process.
- Test on Multiple OS: Selenium supports multiple operating systems, such as Linux, Windows, macOS, and Solaris. Testers can aggressively test their application by running it on various combinations of browsers and OS.
Setting up Jenkins and Selenium
To execute continuous integration with Jenkins and Selenium, it is vital to set up these tools adequately. Setting up Jenkins and Selenium implicates a series of steps that must be followed accurately. Firstly, it is crucial to download and install Jenkins on the server. Subsequently, installing the essential plugins for seamless integration of Selenium is vital.
After successfully installing Jenkins, the next step implicates configuring the Jenkins environment by setting up the build and test servers. It is a paramount step that guarantees efficient collaboration among team members and stimulates the smooth functioning of the software development process. Proper configuration of the Jenkins environment enhances the automation of the build and testing procedures, directing to faster and higher-quality software releases. Therefore, it is crucial to take the time to configure the Jenkins environment accurately.
The following action entails generating a novel job in Jenkins to execute the Selenium tests with maximum efficiency and accuracy. This job has the option to be scheduled and run regularly, or it can be initiated manually at the user’s discretion. To guarantee accurate functionality of the Selenium tests, it is imperative to configure them to run effectively on the Jenkins server. It is essential to adequately configure the Selenium tests to run on the Jenkins server for seamless test conduct. The process entails the installation of the Selenium WebDriver and configuring Selenium tests to execute on the Jenkins server. These steps can set up Jenkins and Selenium to stimulate continuous integration and testing for software development projects.
Creating a Jenkins Pipeline
Creating a Jenkins pipeline is vital in implementing Continuous Integration (CI) with Selenium. This procedure entails establishing a set of phases that mechanize software build, test, and deployment. This process aims to enhance the efficiency and consistency of software deployment while also diminishing manual intervention. The pipeline furnishes a visual representation of the whole CI process, authorizing developers to view the status of each step in real-time.
By incorporating automated testing with Selenium, the pipeline facilitates developers to catch bugs early in the development process, guiding them to faster and more reliable software releases. Besides, Jenkins pipelines offer a significant degree of flexibility and can be effortlessly adapted to suit the unique requirements of any given project. In addition to its inherent flexibility, Jenkins presents a diverse array of plugins that augment and expand its functionality. For instance, the Selenium plugin for Jenkins permits the seamless integration of Selenium tests into the pipeline. This plugin seamlessly initiates the Selenium server and executes the tests, generating comprehensive reports on their outcomes. Furthermore, the plugin can be configured to examine myriad browsers and operating systems, resulting in widespread test coverage.
Running Tests Automatically with Jenkins
Continuous Integration (CI) and Continuous Delivery (CD) have become integral components in contemporary software development. Automated testing is a vital part of this process, as it helps guarantee software quality and dependability while diminishing the chance of issues impacting end-users. Jenkins is a popular open-source automation server that can significantly optimize the Continuous Integration/Continuous Delivery process. One of the primary advantages of employing Jenkins is its capability to automate testing, encompassing the automatic execution of Selenium tests.
By integrating Selenium with Jenkins, developers can swiftly pinpoint and fix issues in their code, guaranteeing a continuous flow of high-quality software. With Jenkins and Selenium, it is feasible to execute automated tests as part of a CI/CD pipeline, authorizing faster feedback on code changes and diminishing the time to market. This integration also facilitates developers to pinpoint and address issues early in the development cycle, reducing the risk of bugs creeping into production. Continuous integration with Jenkins and Selenium has substantial potential for enhancing software quality and expediting software development.
You can leverage the true capability of Selenium integration with Jenkin by using cloud-based platforms like LambdaTest. It is an AI-powered test orchestration and execution platform that helps you to perform both manual and automation testing processes:
Integrating the LambdaTest Jenkins plugin with Selenium brings several advantages:
- Streamline the automation and deployment of your web applications by executing Selenium test scripts through the Jenkins CI pipeline on the LambdaTest cloud platform.
- Enhance efficiency and speed up the delivery of quality builds by reducing test execution time through parallel testing within the Jenkins CI environment.
- Effortlessly configure your Jenkins pipeline to trigger automatic tests on the LambdaTest Selenium Grid with each commit.
- Facilitate the setup and teardown of the Lambda Tunnel binary file, allowing you to test web applications hosted locally or on private projects across over 3000 browsers directly from your Jenkins job.
- Access detailed metrics on the LambdaTest dashboard, including Total Tests Run, Screenshots, Video Logs, and Test Pass/Fail rates, providing valuable insights into your testing processes.
This blog has covered why Jenkins is important and how Selenium and Jenkins can be integrated to run the tests efficiently and attain the goal of continuous integration. Implementing Continuous Integration with Jenkins and Selenium can enormously enhance software development by automating testing and deployment. Utilising Jenkins to execute the tests is time-effective. It helps achieve the entire software development life cycle commencing from development, deployment, testing, monitoring, and release processes. Jenkins supports myriad plugins for accomplishing the project requirements.