Playwright meets JUnit 5

Playwright is a Node.js-based tool for automating browsers. It supports all modern rendering engines including Chromium, WebKit and Firefox. Playwright…

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Starter template for prototyping and building CLI tools with Node.js and TypeScript

Why another starter template? I created this template to help myself to build some simple tools and prototypes while learning…

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Manage multiple Java SDKs with asdf with ease

asdf is a helpful command-line tool that allows you to manage and switch between different versions of programming language runtimes…

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Parameterized tests in JavaScript with Jest

Parameterized tests are used to test the same code under different conditions. One can set up a test method that…

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Testing promise rejection in JavaScript with Jest

The code Let’s consider a simple function that returns a Promise that can either resolve or reject depending on the…

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Testing exceptions in JavaScript with Jest

The code Let’s consider a simple function that checks for equality of two passwords, and it throws an error when…

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Convert time unit to duration in Java

java.util.concurrent.TimeUnit represents time durations in Java at a given unit of granularity and provides utility methods to convert across units.…

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Switch as an expression in Java with Lambda-like syntax

As of Java 14, the switch expression has an additional Lambda-like (case ... -> labels) syntax and it can be…

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Record type in Java

JDK 14, released in March 2020, introduced records (preview language feature) which provide a compact syntax for declaring classes whose…

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