Our readingWhat is a korrent?
The principle 'Don't Mock What You Don't Own' means that mock objects should be used to substitute one's own objects rather than third-party ones.
Drawn from what Hynek Schlawack said
What Hynek Schlawack actually said
- Hynek Schlawack Software engineer and open-source maintainer of attrs and structlog
The principle Don't Mock What You Don't Own means that whenever you employ mock objects, you should use them to substitute your own objects and not third-party ones2.
Where this was said
↗“Don’t Mock What You Don’t Own” in 5 Minuteshynek.me
All 3 korrents from this piecethis one is 1st
Added to korrents 24 Oct 2026 · How quotes work · Something wrong? Tell us
Do you hold this korrent?Do you also believe this?
I hold this tooRelated korrents
Not worked out yet — this claim is newer than the last pass. Every hour, each claim that is new or has changed is compared with every other one in the archive; the last pass () came before this claim was recorded. The next is due , and this claim will be in it.