Testing Why?

Testing Basics: Why Test?

Why do we test? There are many reasons for testing. But let’s look at it from a business perspective: Why are people paying us? Well, as we know from our own experience, the things we build don’t work as well… Continue Reading…

Police Squad not the right code

API Testing: Call the HTTP Police!

As we all know, because we’ve all gone and read the HTTP specification, when you CREATE a resource, you should get a 201 (Created) response code. It’s an API testing staple. Ok, so not everyone has read it. That’s OK… Continue Reading…

API Testing Padme and Anakin Style

API Testing: Does My API Work-Work?

In API Testing, we think we’re trying to answer a simple question: Does the API work? Let’s look at this API call. It creates a user with the details. Let’s say it returned 200 (OK). Yes, we all wanted a… Continue Reading…

Testing Conf Spring 2024, Part II: EuroSTAR and Romanian Testing Conference

When we last left our hero, who was becoming tired, it was In Tallinn. But at Nordic Testing Days, the good thing was that after my “Playwright Introduction” tutorial, which was on Wednesday, the first day, I had all the… Continue Reading…

Testing Conf Spring Tour 2024, Part I: ExpoQA and Nordic Testing Days

Spring tour 2024 is over. I can sit down and relax in the burning heat, instead of the chilly European summer. Testing has never been cooler. Over a period of 2 and a half weeks, I’ve been traveling for 4… Continue Reading…

Testing = Exploration + Checking

When I say that testing is not just checking something is supposed to work, or doesn’t have a bug, what does it mean? Look at this API: Without even thinking, we already have assumptions on how it works. We assume… Continue Reading…

“The Future of LLM-s” Webinar Recording

Two weeks ago, I was excited to moderate a webinar on LLM-s, where they currently are, and where they going. And before you say, hey, I’ve already seen like 700 of these, this one’s a bit different. We look at… Continue Reading…

“Playwright In An Hour” – Webinar Recording

A very intensive webinar! I was very happy to show Playwright as it truly is, the good and the annoying. Playwright has a lot of cool features that make it easier to write web tests. And it was really hard… Continue Reading…

There're no feeling in testing!

There’re No Feelings In Testing!

Testing gets lots of happy cases. Sometime negative cases.When I hear those terms, my spider-sense starts to tingle. Well, not really, it’s more like Bruce Banner, starts changing into the Hulk. Here’s an example. The method changes the balance, after… Continue Reading…

Test planning and test design

Test Planning vs Test Design – What Is The Difference?

Sometime we mix our test planning and test design. So, let’s talk about that. You have a system, or a feature. You need to come up with the test cases. So you schedule a room, invite some friends, get some… Continue Reading…

Copyright Gil Zilberfeld, 2025