Ömer Çelik — Writing https://omercelik.dev/writings Essays and notes on architecture, systems and the craft of building software. en Wed, 30 Sep 2026 00:00:00 GMT Why I wrote Mockifyr: done means a green diff https://omercelik.dev/writings/why-i-wrote-mockifyr https://omercelik.dev/writings/why-i-wrote-mockifyr Wed, 30 Sep 2026 00:00:00 GMT A mock server is only useful if it behaves like the thing it copies. So I stopped asking whether it looked right and started comparing it with the real one. testing mocking .net