class WorkerTests(ToilTest):
"""Test miscellaneous units of the worker."""
def setUp(self):
super().setUp()
path = self._getTestJobStorePath()
self.jobStore = FileJobStore(path)
self.config = Config()
self.config.jobStore = 'file:%s' % path
self.jobStore.initialize(self.config)
self.jobNumber = 0
def testNextChainable(self):
"""Make sure chainable/non-chainable jobs are identified correctly."""
def createTestJobDesc(memory, cores, disk, preemptable, checkpoint):
"""
Create a JobDescription with no command (representing a Job that
has already run) and return the JobDescription.
"""
name = 'job%d' % self.jobNumber
self.jobNumber += 1
descClass = CheckpointJobDescription if checkpoint else JobDescription
jobDesc = descClass(requirements={
'memory': memory,
'cores': cores,
'disk': disk,
'preemptable': preemptable
},
jobName=name)
# Assign an ID
self.jobStore.assign_job_id(jobDesc)
# Save and return the JobDescription
return self.jobStore.create_job(jobDesc)
for successorType in ['addChild', 'addFollowOn']:
# Try with the branch point at both child and follow-on stages
# Identical non-checkpoint jobs should be chainable.
jobDesc1 = createTestJobDesc(1, 2, 3, True, False)
jobDesc2 = createTestJobDesc(1, 2, 3, True, False)
getattr(jobDesc1, successorType)(jobDesc2.jobStoreID)
chainable = nextChainable(jobDesc1, self.jobStore, self.config)
self.assertNotEqual(chainable, None)
self.assertEqual(jobDesc2.jobStoreID, chainable.jobStoreID)
# Identical checkpoint jobs should not be chainable.
jobDesc1 = createTestJobDesc(1, 2, 3, True, False)
jobDesc2 = createTestJobDesc(1, 2, 3, True, True)
getattr(jobDesc1, successorType)(jobDesc2.jobStoreID)
self.assertEqual(
None, nextChainable(jobDesc1, self.jobStore, self.config))
# If there is no child we should get nothing to chain.
jobDesc1 = createTestJobDesc(1, 2, 3, True, False)
self.assertEqual(
None, nextChainable(jobDesc1, self.jobStore, self.config))
# If there are 2 or more children we should get nothing to chain.
jobDesc1 = createTestJobDesc(1, 2, 3, True, False)
jobDesc2 = createTestJobDesc(1, 2, 3, True, False)
jobDesc3 = createTestJobDesc(1, 2, 3, True, False)
getattr(jobDesc1, successorType)(jobDesc2.jobStoreID)
getattr(jobDesc1, successorType)(jobDesc3.jobStoreID)
self.assertEqual(
None, nextChainable(jobDesc1, self.jobStore, self.config))
# If there is an increase in resource requirements we should get nothing to chain.
reqs = {
'memory': 1,
'cores': 2,
'disk': 3,
'preemptable': True,
'checkpoint': False
}
for increased_attribute in ('memory', 'cores', 'disk'):
jobDesc1 = createTestJobDesc(**reqs)
reqs[increased_attribute] += 1
jobDesc2 = createTestJobDesc(**reqs)
getattr(jobDesc1, successorType)(jobDesc2.jobStoreID)
self.assertEqual(
None, nextChainable(jobDesc1, self.jobStore, self.config))
# A change in preemptability from True to False should be disallowed.
jobDesc1 = createTestJobDesc(1, 2, 3, True, False)
jobDesc2 = createTestJobDesc(1, 2, 3, False, True)
getattr(jobDesc1, successorType)(jobDesc2.jobStoreID)
self.assertEqual(
None, nextChainable(jobDesc1, self.jobStore, self.config))
