def test_overview():
db = MockDB(view=[MockRow('done', 1),
MockRow('todo', 3),
MockRow('finished_jobs', 2)])
simcity.management.set_task_database(db)
simcity.management.set_job_database(db)
overview = simcity.overview_total()
assert_equals(overview['done'], 1)
assert_equals(overview['finished_jobs'], 2)
assert_equals(overview['pending_jobs'], 0)
def submit_if_needed(hostname, max_jobs, submitter=None):
"""
Submit a new job if not enough jobs are already running or queued.
Host configuration is extracted from an entry in the global config file.
"""
if not isinstance(max_jobs, Number):
raise ValueError("Max jobs must be a number")
num = simcity.overview_total()
num_jobs = num['active_jobs'] + num['pending_jobs']
if ((num_jobs < num['todo'] and num_jobs < max_jobs) or
# active jobs should be scrubbed, some of them are not running
# anymore
(num['pending_jobs'] == 0 and num['todo'] > 0 and
num['locked'] == 0)):
return submit(hostname, submitter)
else:
return None