Can I “Mock” time in PHPUnit?

Question

... not knowing if \'mock\' is the right word.

Anyway, I have an inherited code-base that I\'m trying to write some tests for that are time-based. Trying not to be <

Answer 1

I had to simulate a particular request in future and past date in the app itself (not in Unit Tests). Hence all calls to \DateTime::now() should return the date that was previously set throughout the app.

I decided to go with this library https://github.com/rezzza/TimeTraveler, since I can mock the dates without altering all the codes.

\Rezzza\TimeTraveler::enable();
\Rezzza\TimeTraveler::moveTo('2011-06-10 11:00:00');

var_dump(new \DateTime());           // 2011-06-10 11:00:00
var_dump(new \DateTime('+2 hours')); // 2011-06-10 13:00:00