DEV Community

Testing

Find those bugs before your users do! 🐛

Posts

👋 Sign in for the ability to sort posts by relevant, latest, or top.
You Do Not Have a Test Environment. You Have a Test Record.

You Do Not Have a Test Environment. You Have a Test Record.

Comments 1
6 min read
BrowserStack Alternatives in 2026: 9 Tools Compared for Web and Mobile Testing

BrowserStack Alternatives in 2026: 9 Tools Compared for Web and Mobile Testing

1
Comments
9 min read
Record acceptance checks separately from AI video render status

Record acceptance checks separately from AI video render status

Comments
6 min read
1 human check, 8 scripted steps: QA in our coding agent pipeline

1 human check, 8 scripted steps: QA in our coding agent pipeline

Comments
4 min read
A canary you keep is a canary you start trusting

A canary you keep is a canary you start trusting

Comments
2 min read
Coordinate Clicks Are a Trap: Driving a GUI Agent Without Pixel Guessing

Coordinate Clicks Are a Trap: Driving a GUI Agent Without Pixel Guessing

Comments
2 min read
Five ways an x402 paid endpoint can serve content it wasn't paid for, and a CI check for each

Five ways an x402 paid endpoint can serve content it wasn't paid for, and a CI check for each

Comments
2 min read
Game Optimization Methodology, or How 3 Days of Building a Test Harness Gave Me More FPS Than a Month of Writing Code

Game Optimization Methodology, or How 3 Days of Building a Test Harness Gave Me More FPS Than a Month of Writing Code

1
Comments
11 min read
Session Recordings & Heatmaps: From Observation to Action

Session Recordings & Heatmaps: From Observation to Action

Comments
9 min read
The 100x bug-fix rule: I traced the source. The largest study found nothing.

The 100x bug-fix rule: I traced the source. The largest study found nothing.

Comments
4 min read
A delivery note is not a PNG validator: 16 small Node.js tests

A delivery note is not a PNG validator: 16 small Node.js tests

1
Comments
7 min read
The Agent Reported Success but Silently Dropped the Rows It Could Not Parse

The Agent Reported Success but Silently Dropped the Rows It Could Not Parse

1
Comments 1
4 min read
Pin a Legacy Laravel Controller With Golden-Master Tests, Then Extract the Use Case

Pin a Legacy Laravel Controller With Golden-Master Tests, Then Extract the Use Case

Comments
9 min read
My tool called a maintainer's plugin broken. They had fixed it two weeks earlier.

My tool called a maintainer's plugin broken. They had fixed it two weeks earlier.

Comments
5 min read
Test the Owner, Not the Teardown

Test the Owner, Not the Teardown

Comments
4 min read
👋 Sign in for the ability to sort posts by relevant, latest, or top.