DEV Community

Testing

Find those bugs before your users do! 🐛

Posts

👋 Sign in for the ability to sort posts by relevant, latest, or top.
Testing a DMARC aggregate report pipeline before the first real report arrives

Testing a DMARC aggregate report pipeline before the first real report arrives

Comments 2
9 min read
Workshop: Catch Shared-Host Drift With a Five-Probe Floor Card in 85 Minutes

Workshop: Catch Shared-Host Drift With a Five-Probe Floor Card in 85 Minutes

Comments
8 min read
Building a tested calculator in the Uniface 10 IDE

Building a tested calculator in the Uniface 10 IDE

Comments
6 min read
What Automated Slow-3G Testing Reveals About Frontend Assumptions

What Automated Slow-3G Testing Reveals About Frontend Assumptions

Comments
3 min read
Build a Read-Only Eval Slice Before Giving Free Inference Write Authority

Build a Read-Only Eval Slice Before Giving Free Inference Write Authority

Comments
8 min read
Every merge in the company depended on the dev cluster staying up

Every merge in the company depended on the dev cluster staying up

1
Comments
2 min read
A coding agent needs a harness, not a longer prompt

A coding agent needs a harness, not a longer prompt

Comments
1 min read
Three runs is not a sample size. It is a decision rule — and its error is exactly computable.

Three runs is not a sample size. It is a decision rule — and its error is exactly computable.

Comments 1
6 min read
Test a market-data health check with eight small Python fixtures

Test a market-data health check with eight small Python fixtures

Comments
4 min read
My filter matched 0 of 1545 rows in production, and the test fixture was the reason nobody noticed

My filter matched 0 of 1545 rows in production, and the test fixture was the reason nobody noticed

Comments 1
3 min read
About 1,800 tests passed. Running the real app found 14 bugs

About 1,800 tests passed. Running the real app found 14 bugs

5
Comments 1
9 min read
I Needed to Test Laptop Keyboards Properly, So I Built a 47 MB Bootable Tool

I Needed to Test Laptop Keyboards Properly, So I Built a 47 MB Bootable Tool

Comments
3 min read
Jev Can't Write a Sentence. Here's How I'd Test Its Decisions.

Jev Can't Write a Sentence. Here's How I'd Test Its Decisions.

Comments
10 min read
Email deliverability in CI: what you can actually automate, and what you can't

Email deliverability in CI: what you can actually automate, and what you can't

Comments
4 min read
# The Test That Lied for Weeks

# The Test That Lied for Weeks

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