A guide to setting up JUnit 5 in popular IDEs (IntelliJ, Eclipse) and build tools (Maven, Gradle), including dependencies and test execution.
A guide to writing parameterized tests in JUnit 5, covering setup, dependencies, and basic usage with examples.
A guide to JUnit 5 basics covering @Test annotation, test lifecycle, assertions, assumptions, and other core features for Java developers.
Introducing btest, a minimal, language-agnostic test runner for verifying command outputs, originally created for compiler testing.
A developer's enthusiastic review of Jest's developer experience, highlighting its visual diffs, flexible conventions, and friendly CLI.
A guide on testing NgRx selectors in Angular applications, focusing on pure functions and memoization.
A developer shares key reasons to love the Jest testing framework, highlighting its zero-config setup, built-in features, and extensibility.
A developer shares practical steps for learning and contributing to an open source codebase, from reading guidelines to debugging.
A guide to testing code that uses randomness or time by using dependency injection to make tests deterministic.
An explanation of JavaScript mocking using a thumb war game example to test a non-deterministic function.
The author explains how teaching others solidifies your own learning and outlines their personal learning process.
A guide on testing React components that use render prop components, covering integration and E2E testing strategies.
A guide explaining what JavaScript tests are by building a simple testing framework from scratch for pure functions.
Introducing Pastamaker, a tool to automate a safe GitHub pull-request workflow with required reviews and up-to-date CI testing.
Learn how to use the vim-test plugin to run automated tests instantly within Vim, eliminating the need to switch terminals.
A developer's guide to migrating a Node.js project's test suite from Mocha/Should.js to Jest using codemods, including challenges and solutions.
A tutorial on using Sinon.js to stub HTTP requests in unit tests, preventing external API calls during test runs.
A guide on how to run Cucumber BDD tests directly from the command line using the Java CLI runner, covering classpath setup and arguments.
Explains a subtle issue with mock verification order in Spock tests and provides a solution using multiple 'then' blocks.
A technical article about using a Python context manager to simplify testing with feature flags, replacing numerous test fixtures.
