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Test Automation Leveraging Selenium & Kotlin


With the increasing pace of technology, it has become a challenge for companies to manage the quality of their applications. Test automation, as we all know, is an effective way to improve the effectiveness and coverage of the testing process. Today, automation testing has become an integral part of the software development cycle across all industries and companies. It helps to speed up execution cycles, exempt testers from repetitive tasks, reduce human efforts and provide instant feedback. To increase the overall software efficiency and ensure robust software quality, organizations have prioritized test automation.

An automation framework helps to test early in the process, test frequently, and continue testing after the product is operational.  Early testing in QA identifies problems before getting ready into the design phase, and implementation identifies problems that provide a poor user experience.

The majority of software now comes in the form of web-based applications that are run in an internet browser such as Chrome, Internet Explorer or Firefox. The availability of automation does not eliminate the need to contemplate on the automation choices that one has to make. In fact, automation makes planning even more important. You have to be clear on what test cases are most crucial, and need to test them with the right, high-quality data, which can take some effort to generate.

Web browser automation supports testing in two ways:

  1. In quality assurance (QA) testing, in the development process – these tests are run while developing the application to ensure basic functionality.
  2. In testing performance during implementation, to help support the high level of service demanded by customers – these tests need to be run frequently, particularly when there is any change in the configuration.

Browser automation is very important in today’s world. If the bandwidth is less or connectivity is not good enough, then browser issue arises every now and then. When talking about web automation, there is nothing as good as Selenium, the world’s most popular open-source framework for automating browsers. It consists of several components, and in this blog we are going to cover the widely used Selenium WebDriver with Kotlin language.

We all know that Kotlin is a general-purpose, open-source, statically typed programming language initially designed for the JVM (Java Virtual Machine) and Android that combines object-oriented and functional programming features. It is focused on interoperability, safety, clarity, and tooling support. Kotlin originated at JetBrains and has been open-source since 2012. JetBrains uses Kotlin in many of its products including its flagship IntelliJ IDEA.

In addition to Selenium, the advantages of Kotlin are being discussed in this blog and the extent report logic written in Kotlin language has also, been covered. A strong automation team proves to be instrumental for the development of Selenium, using Kotlin language. Selenium helps testers to automate web-based applications more efficiently. Kotlin’s simple and elegant and as language it’s interoperable, concise and secure. Being a programming language that runs on the virtual machine of Java (JVM), it allows an open interaction with the Java code. Hence, when we combine the features of Selenium and Kotlin, it gets more powerful than any language used with Selenium.

Advantages of Kotlin

  • Code written in Kotlin works with Java as well as it does natively.
  • Kotlin offers first-class support for functional programming, even though it is mainly object-oriented.
  • Kotlin has a good compiler.
  • Kotlin supports seamless integration with the existing infrastructure. Kotlin’s compatible with all Java frameworks and libraries, and it’s designed to integrate easily with Maven and Gradle build systems.
  • Kotlin provides enhanced run-time performance.
  • Kotlin is easier and cheaper to maintain.

Click here to know more about Selenium Automation with Kotlin, understand the step-by-step procedure and gain insights on the correct approach. 

Sanoj S
Test Architect, RapidValue

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