On Tue, Mar 5, 2013 at 1:25 PM, Ori Livneh <[email protected]> wrote: > A short while ago I wrote a set of three PHP unit tests for Math that use > test doubles to stub out external dependencies (in this case, the > database-backed cache and the texvc executable). My intent was to demonstrate > the technique to another developer, so I commented the code extensively. It > occurred to me that other people might be interested, too, so I'm sharing it > here. > > The advantage of such tests is that they typically faster and far less > brittle than tests that rely on external resources. They also make test > results less noisy: if the test fails, you know that it's because your code > was wrong, and not because the database happened to suffer an outage. > Finally, they are more portable, because they don't require that you > configure external dependencies to make them work. > > If you are interested, check out the example, and the relevant chapter in the > PHPUnit docs. > > https://gerrit.wikimedia.org/r/#/c/49612/1/tests/MathTexvcTest.php > > http://www.phpunit.de/manual/current/en/test-doubles.html
This is awesome, thanks for doing this Ori! Glad to see progress in the direction of our unit tests truly being unit tests.[1] Rob [1] Optional reading on unit-tests vs integration tests for those that don't know what I'm talking about: http://www.sandywalsh.com/2011/06/effective-units-tests-and-integration.html _______________________________________________ Wikitech-l mailing list [email protected] https://lists.wikimedia.org/mailman/listinfo/wikitech-l
