WIMMS stands for Where Is My Mozilla Service ?.
This library implements a SQL backend for a database that lists for a list of service, (user, node, service) tuples.
It's used by Mozilla's Token Server.
To see where WIMMS fits in the whole architecture, see:
To run the tests for mysql, you need to install a mysqlserver and export the 'WIMMS_MYSQLURI' variable properly. Something like this:
$ export WIMMS_MYSQLURI="mysql://user:pass@host/db"