testing – Page 12 – Türker Yıldırım

A JSON column that had become a schema

Deep diveSeptember 20, 20239 min read

A settings column with forty keys, four of which are queried, and a WHERE on a JSON path scanning two million rows.

A Jest test that mocked the module under test

NoteSeptember 18, 20231 min read

A test file that mocked the module it imported, so it asserted the behaviour of the mock and passed after the implementation was deleted. It had been added…

Moving a fifteen-year-old site into the site editor

Deep diveAugust 21, 202315 min read

A theme first written in 2008, 61 template files, and an editor who cannot change a footer without a deploy.

An event log that is not an event store

Deep diveAugust 10, 202310 min read

Wanting to know what happened to an order without adopting event sourcing. A support question that takes twenty minutes and three tables.

The N+1 that only appeared in production

Deep diveJuly 29, 202310 min read

An endpoint at 40 ms locally and 2.1 seconds in production. Nine hundred queries on one request, and three on the same request in a test.

Container queries, and the component that stopped needing a prop

Deep diveJuly 7, 202310 min read

A card with a variant prop that exists only to describe its width, rendered wrong in a sidebar somebody added last week.

Patterns as a deliverable, and the editor who stopped asking us

Deep diveJune 27, 20239 min read

A request for a new landing page layout, for the ninth time. Every campaign page a developer ticket, for work that is arrangement.

Two years of deprecations, and the upgrade we could no longer defer

Deep diveJune 6, 202314 min read

PHP 8.0 reaches end of life in November and the application is on it. 4,100 deprecation notices, and a log filter that had been hiding them.

A suite that runs in four minutes because it stopped touching the database

Deep diveMay 28, 202310 min read

1,400 tests, fourteen minutes, and 1,100 of them opening a transaction against MySQL for no reason anybody could name.

Pest 2, and running both suites for a month

NoteMay 18, 20232 min read

Adopting a different test syntax on top of the same engine, evaluated properly rather than by preference. A month of writing new tests in one and maintaining old…