CPANdeps and cpXXXan will be unavailable for some of the evening of the 28th of May, for a data centre move.

A year and a bit ago I wrote about measuring the coverage not of the code I was testing but of my tests, and how doing so had helped me find some problems. Today I dived further down that rabbit-hole.

As I mentioned then, we ran all our tests under Jenkins. Because we're testing quite a complex application, which needs configuration data, databases and so on, we've got a wrapper script that sets up all that jibber-jabber, runs the tests, and then tears down the temporary databases and stu…