quality-lab

Your app is bad, deploys are scary, and every blog post tells you to do a different thing first. This is a map of the space you are standing in, and an opinion about which direction pays.

Every claim here says how strongly it is evidenced. Where nobody has measured it, the page says so and tells you what measurement would settle it.

Determinism

works on my machine→same input, same result, anywhere

• One command builds and tests the project from a clean checkout tier IVA project where a clean checkout can be built and tested by one documented command has a shorter path to every other control on this site; one where it cannot will silently reintroduce environment drift into every later gate.

Feedback latency

months, from a customer→seconds, from your editor

• Every change runs the suite before a human looks at it tier IVRunning the suite automatically on every proposed change, before review, shortens feedback latency from days to minutes and moves defect discovery off the reviewer, who is the most expensive and least reliable detector available.
• One command builds and tests the project from a clean checkout tier IVA project where a clean checkout can be built and tested by one documented command has a shorter path to every other control on this site; one where it cannot will silently reintroduce environment drift into every later gate.