Family, Code, Run
How to eliminate legacy code? Martin Fowler and Michael Feathers both agree that lack of tests are core factor in legacy code. With AI agents, tackling legacy code and turning it into “evergreen” code is easier than ever.
What makes a test meaningful? How can tests shape better architecture? And what roles do humans and AI play?
A few years ago I made a comment in a code review about a test description. That simple remark evolved into …
How to build a web component based application that integrates the BlueSky Social public API? Covered topics: TDD, BlueSky API, BlueSky bot (automation), AtProto SDK, Streaming, Web components.
BlueSky is a (relatively) new Social network nowadays. It looks like …
On March 2023 I gave the keynote at ConfrontJS in Warsaw. I spoke about how we can become more professional as developers, my 5 tips for becoming such, and a final most-important take-home message to the audience.
Starting a project for me usually starts with setting up the testing infrastructure. The only exception is when one already exists. In this article we will learn two things. We will start from setting up vitest in the Tauri project. …
Tests can improve communication and save time (and frustration). Bad tests can do the opposite. In this article, we’ll explore an example from real life of how bad tests are harmful and how good ones convey the right information.
As a testing advocate, I frequently delve into “implementation details” and “public interfaces.” These terms refer to the inner workings of your API and how it’s presented to users. Rather than just defining them, let’s explore …
Tauri is a desktop apps framework built with Rust for its backend and JavaScript for its front end. The first thing I like to do in a project is set up a unit tests infrastructure. I found it surprisingly easy …
In 12 minutes, I shared with my colleagues three tips I used to refactor tests of legacy code. Testing the API, ensuring the tests fail for the right reason, and avoiding the coupling pitfall are exhibited in this live …
How do you know your test is effective? How do you know your test protects you from breaking changes? And how can you do TDD without doing TDD? The best distillment of TDD taken from a TDD workshop in JFokus.…