The Samba Selftest System
From SambaWiki
Presentation Introduction and overview
Andrew Bartlett's Two years with Samba's autobuild presentation at Linux.conf.au 2012 is a good place to start understanding our automated test and CI infrastructure. Youtube.
Also see Andreas Schneider's SambaXP 2015 presentation Audio
Subunit
Samba's selftest system is based on Subunit