def test_pop_and_delete(self):
for i in range(N):
j = JobQueue.pop()
self.assertIsInstance(j, Job)
JobQueue.delete(j)
self.assertEqual(JobQueue.length(), 0)
return
from cl2s import Job
# Log the fact that we started up.
logutils.logger.debug('fetch_job.py: started')
# Read the raw Slot ClassAd from STDIN
slot_ad = sys.stdin.read()
logutils.logger.debug('Worker slot ClassAd:\n%s' % (slot_ad))
# Fetch a Job instance from the queue. This returns a Job instance if it managed
# to fetch one; None if there aren't any; an exception if soe error occurred.
try:
job = JobQueue.pop()
except Exception, e:
logutils.logger.critical('Exception in fetching work: %s' % (e))
sys.exit(1)
if(job is None):
logutils.logger.debug('Noting to do...')
sys.exit(0)
if(not isinstance(job, Job.Job)):
logutils.logger.critical('Was expecting a Job instance, got %s instead.' \
% (job.__class__.__name__))
sys.exit(2)
# If we got a Job, print it out to STDOUT and quit.
sys.stdout.write('%s\n' % (job))
logutils.logger.debug('fetch_job.py: quitting')
sys.exit(0)
