# We use a global incrementing counter as a prefix for the database name to avoid any
# collection lifecycle related issues in sharded clusters. This more closely matches how
# uniqueDBName() and uniqueCollName() would have returned distinct values when called once
# for each FSM workload in the entire schedule by runner.js.
test_prefix = self.db_name_prefix if self.db_name_prefix else "test"
test_data["dbNamePrefix"] = "{}{:d}_".format(test_prefix, count)
if not self.same_db:
    test_data["sameDB"] = True
if not self.same_collection:
    test_data["sameCollection"] = True