> But the more 'real' the test is, the less of your own test it covers relative to all of the other external dependencies. But the more 'real' the test is, the

> But the more 'real' the test is, the less of your own test it covers relative to all of the other external dependencies. But the more 'real' the test is, the more of your own assumptions get about how your dependencies work get tested. Assumptions are where most bugs are born and hide. PS: Sorry for the multiple replies. HN is being glitchy and my previous comment kept getting truncated.