Dependency Injection Anti-Patterns: Recognizing and Refactoring Common Pitfalls

Many cooking techniques require heating oil in a pan. If you're unfamiliar with a recipe, you might preheat the oil before reviewing the instructions. By the time you've finished chopping vegetables, the oil is smoking. Novice cooks often mistake smoking oil for readiness, but smoke indicates the oil has exceeded its smoke point—breaking down, ...

Posted on Fri, 03 Jul 2026 16:36:35 +0000 by TRUCKIN

AI-Assisted Jest Setup and Unit Test Generation for React Hooks

Motivation for AI-Powered Unit Testing The decision to implement unit testing stems from maintaining shared frontend modules—including utility functions, React components, and custom hooks—across a growing development team. As the codebase scales, automated testing becomes essential for stability. Leveraging AI accelerates this process by reduc ...

Posted on Wed, 10 Jun 2026 18:25:18 +0000 by patrick99e99

Unit Testing Blazor Components with xUnit and bUnit

Unit Testing Blazor Components with xUnit and bUnit Setting Up a Unit Test Project for Blazor Let's create unit tests for a Blazor application. In the provided code sample, you'll find a test solution. Open it with your preferred editor. The solution should look familiar, containing Counter and FetchData components that use IWeatherService to r ...

Posted on Mon, 08 Jun 2026 17:12:30 +0000 by mdaoust

Refactoring mailcheck.js for Modularity and Testability

mailcheck.js is a lightweight JavaScript utility that detects common email domain typos by computing string similarity—primari using the Sift4 algorithm. While effective, its original monolithic structure posed challenges for long-term maintenance: tightly coupled logic, implicit dependencies, and limited test coverage. This article details a t ...

Posted on Fri, 22 May 2026 22:12:35 +0000 by atticus