Add groups() method

xbob/db/biosecure/query.py

@@ -40,7 +40,7 @@ class Database(xbob.db.verification.utils.SQLiteDatabase):
     # call base class constructors
     xbob.db.verification.utils.SQLiteDatabase.__init__(self, SQLITE_FILE, File)
 
-  def groups(self):
+  def groups(self, protocol=None):
     """Returns the names of all registered groups"""
 
     return ProtocolPurpose.group_choices # Same as Client.group_choices for this database

xbob/db/biosecure/test.py

@@ -30,6 +30,7 @@ class BiosecureDatabaseTest(unittest.TestCase):
     # test that the clients() function returns reasonable output
     db = xbob.db.biosecure.Database()
 
+    self.assertEqual(len(db.groups()), 3)
     self.assertEqual(len(db.clients()), 210)
     # TODO: more specific tests