A simple set of macros for mocking time
(deftest delorean () (let ((point-in-time (local-time:now))) (with-frozen-clock point-in-time (sleep 2) (is (local-time:timestamp= (local-time:now) point-in-time)))) (let ((same-time-tomorrow (local-time:timestamp+ (local-time:now) 1 :day))) (with-shifted-clock same-time-tomorrow (sleep 2) (is (local-time:timestamp= (local-time:now) (local-time:timestamp-minimize-part (local-time:timestamp+ same-time-tomorrow 2 :sec) :nsec))))) (let ((now (local-time:now))) (with-scaled-clock 2 (sleep 2) (is (local-time:timestamp= (local-time:now) (local-time:timestamp-minimize-part (local-time:timestamp+ now 4 :sec) :nsec))))))
The respective clocks can be nested arbitrarily inside one-another.
Development of delorean is hosted on github at https://github.com/cddr/delorean.
To my knowledge, there is currently 1 user (i.e. me) so I'm just hacking directly on master. If you start to find it useful, let me know and we can formalize the release process a little but I don't foresee lots of changes. It's a pretty simple solution to a small problem.
Check out the Makefile for the details of how to build and test the software. It's shamelessly copied from cffi (Luís Oliveira is awesome). It also includes a target to build documentation using atdoc (David Lichteblau is also awesome).
What bugs? No really, if you find a bug, let me know by raising a github issue.