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275 lines
8.9 KiB
Python
275 lines
8.9 KiB
Python
from tests import RQTestCase
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from tests.fixtures import Calculator, div_by_zero, say_hello, some_calculation
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from rq import Queue, get_failed_queue
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from rq.job import Job, Status
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from rq.exceptions import InvalidJobOperationError
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class TestQueue(RQTestCase):
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def test_create_queue(self):
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"""Creating queues."""
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q = Queue('my-queue')
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self.assertEquals(q.name, 'my-queue')
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def test_create_default_queue(self):
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"""Instantiating the default queue."""
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q = Queue()
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self.assertEquals(q.name, 'default')
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def test_equality(self): # noqa
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"""Mathematical equality of queues."""
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q1 = Queue('foo')
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q2 = Queue('foo')
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q3 = Queue('bar')
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self.assertEquals(q1, q2)
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self.assertEquals(q2, q1)
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self.assertNotEquals(q1, q3)
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self.assertNotEquals(q2, q3)
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def test_empty_queue(self): # noqa
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"""Emptying queues."""
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q = Queue('example')
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self.testconn.rpush('rq:queue:example', 'foo')
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self.testconn.rpush('rq:queue:example', 'bar')
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self.assertEquals(q.is_empty(), False)
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q.empty()
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self.assertEquals(q.is_empty(), True)
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self.assertIsNone(self.testconn.lpop('rq:queue:example'))
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def test_queue_is_empty(self):
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"""Detecting empty queues."""
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q = Queue('example')
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self.assertEquals(q.is_empty(), True)
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self.testconn.rpush('rq:queue:example', 'sentinel message')
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self.assertEquals(q.is_empty(), False)
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def test_compact(self):
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"""Compacting queueus."""
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q = Queue()
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q.enqueue(say_hello, 'Alice')
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bob = q.enqueue(say_hello, 'Bob')
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q.enqueue(say_hello, 'Charlie')
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debrah = q.enqueue(say_hello, 'Debrah')
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bob.cancel()
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debrah.cancel()
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self.assertEquals(q.count, 4)
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q.compact()
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self.assertEquals(q.count, 2)
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def test_enqueue(self): # noqa
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"""Enqueueing job onto queues."""
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q = Queue()
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self.assertEquals(q.is_empty(), True)
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# say_hello spec holds which queue this is sent to
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job = q.enqueue(say_hello, 'Nick', foo='bar')
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job_id = job.id
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# Inspect data inside Redis
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q_key = 'rq:queue:default'
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self.assertEquals(self.testconn.llen(q_key), 1)
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self.assertEquals(self.testconn.lrange(q_key, 0, -1)[0], job_id)
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def test_enqueue_sets_metadata(self):
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"""Enqueueing job onto queues modifies meta data."""
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q = Queue()
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job = Job.create(func=say_hello, args=('Nick',), kwargs=dict(foo='bar'))
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# Preconditions
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self.assertIsNone(job.origin)
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self.assertIsNone(job.enqueued_at)
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# Action
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q.enqueue_job(job)
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# Postconditions
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self.assertEquals(job.origin, q.name)
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self.assertIsNotNone(job.enqueued_at)
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def test_pop_job_id(self): # noqa
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"""Popping job IDs from queues."""
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# Set up
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q = Queue()
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uuid = '112188ae-4e9d-4a5b-a5b3-f26f2cb054da'
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q.push_job_id(uuid)
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# Pop it off the queue...
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self.assertEquals(q.count, 1)
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self.assertEquals(q.pop_job_id(), uuid)
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# ...and assert the queue count when down
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self.assertEquals(q.count, 0)
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def test_dequeue(self):
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"""Dequeueing jobs from queues."""
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# Set up
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q = Queue()
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result = q.enqueue(say_hello, 'Rick', foo='bar')
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# Dequeue a job (not a job ID) off the queue
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self.assertEquals(q.count, 1)
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job = q.dequeue()
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self.assertEquals(job.id, result.id)
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self.assertEquals(job.func, say_hello)
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self.assertEquals(job.origin, q.name)
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self.assertEquals(job.args[0], 'Rick')
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self.assertEquals(job.kwargs['foo'], 'bar')
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# ...and assert the queue count when down
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self.assertEquals(q.count, 0)
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def test_dequeue_instance_method(self):
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"""Dequeueing instance method jobs from queues."""
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q = Queue()
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c = Calculator(2)
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result = q.enqueue(c.calculate, 3, 4)
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job = q.dequeue()
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# The instance has been pickled and unpickled, so it is now a separate
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# object. Test for equality using each object's __dict__ instead.
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self.assertEquals(job.instance.__dict__, c.__dict__)
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self.assertEquals(job.func.__name__, 'calculate')
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self.assertEquals(job.args, (3, 4))
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def test_dequeue_ignores_nonexisting_jobs(self):
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"""Dequeuing silently ignores non-existing jobs."""
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q = Queue()
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uuid = '49f205ab-8ea3-47dd-a1b5-bfa186870fc8'
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q.push_job_id(uuid)
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q.push_job_id(uuid)
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result = q.enqueue(say_hello, 'Nick', foo='bar')
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q.push_job_id(uuid)
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# Dequeue simply ignores the missing job and returns None
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self.assertEquals(q.count, 4)
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self.assertEquals(q.dequeue().id, result.id)
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self.assertIsNone(q.dequeue())
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self.assertEquals(q.count, 0)
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def test_dequeue_any(self):
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"""Fetching work from any given queue."""
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fooq = Queue('foo')
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barq = Queue('bar')
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self.assertEquals(Queue.dequeue_any([fooq, barq], False), None)
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# Enqueue a single item
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barq.enqueue(say_hello)
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job, queue = Queue.dequeue_any([fooq, barq], False)
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self.assertEquals(job.func, say_hello)
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self.assertEquals(queue, barq)
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# Enqueue items on both queues
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barq.enqueue(say_hello, 'for Bar')
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fooq.enqueue(say_hello, 'for Foo')
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job, queue = Queue.dequeue_any([fooq, barq], False)
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self.assertEquals(queue, fooq)
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self.assertEquals(job.func, say_hello)
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self.assertEquals(job.origin, fooq.name)
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self.assertEquals(job.args[0], 'for Foo',
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'Foo should be dequeued first.')
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job, queue = Queue.dequeue_any([fooq, barq], False)
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self.assertEquals(queue, barq)
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self.assertEquals(job.func, say_hello)
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self.assertEquals(job.origin, barq.name)
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self.assertEquals(job.args[0], 'for Bar',
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'Bar should be dequeued second.')
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def test_dequeue_any_ignores_nonexisting_jobs(self):
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"""Dequeuing (from any queue) silently ignores non-existing jobs."""
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q = Queue('low')
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uuid = '49f205ab-8ea3-47dd-a1b5-bfa186870fc8'
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q.push_job_id(uuid)
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# Dequeue simply ignores the missing job and returns None
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self.assertEquals(q.count, 1)
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self.assertEquals(Queue.dequeue_any([Queue(), Queue('low')], False), # noqa
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None)
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self.assertEquals(q.count, 0)
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def test_enqueue_sets_status(self):
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"""Enqueueing a job sets its status to "queued"."""
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q = Queue()
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job = q.enqueue(say_hello)
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self.assertEqual(job.status, Status.QUEUED)
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class TestFailedQueue(RQTestCase):
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def test_requeue_job(self):
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"""Requeueing existing jobs."""
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job = Job.create(func=div_by_zero, args=(1, 2, 3))
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job.origin = 'fake'
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job.save()
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get_failed_queue().quarantine(job, Exception('Some fake error')) # noqa
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self.assertItemsEqual(Queue.all(), [get_failed_queue()]) # noqa
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self.assertEquals(get_failed_queue().count, 1)
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get_failed_queue().requeue(job.id)
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self.assertEquals(get_failed_queue().count, 0)
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self.assertEquals(Queue('fake').count, 1)
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def test_requeue_nonfailed_job_fails(self):
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"""Requeueing non-failed jobs raises error."""
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q = Queue()
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job = q.enqueue(say_hello, 'Nick', foo='bar')
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# Assert that we cannot requeue a job that's not on the failed queue
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with self.assertRaises(InvalidJobOperationError):
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get_failed_queue().requeue(job.id)
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def test_quarantine_preserves_timeout(self):
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"""Quarantine preserves job timeout."""
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job = Job.create(func=div_by_zero, args=(1, 2, 3))
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job.origin = 'fake'
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job.timeout = 200
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job.save()
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get_failed_queue().quarantine(job, Exception('Some fake error'))
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self.assertEquals(job.timeout, 200)
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def test_requeueing_preserves_timeout(self):
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"""Requeueing preserves job timeout."""
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job = Job.create(func=div_by_zero, args=(1, 2, 3))
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job.origin = 'fake'
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job.timeout = 200
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job.save()
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get_failed_queue().quarantine(job, Exception('Some fake error'))
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get_failed_queue().requeue(job.id)
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job = Job.fetch(job.id)
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self.assertEquals(job.timeout, 200)
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def test_enqueue_preserves_result_ttl(self):
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"""Enqueueing persists result_ttl."""
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q = Queue()
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job = q.enqueue(div_by_zero, args=(1, 2, 3), result_ttl=10)
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self.assertEqual(job.result_ttl, 10)
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job_from_queue = Job.fetch(job.id, connection=self.testconn)
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self.assertEqual(int(job_from_queue.result_ttl), 10)
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def test_async_false(self):
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"""Executes a job immediately if async=False."""
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q = Queue(async=False)
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job = q.enqueue(some_calculation, args=(2, 3))
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self.assertEqual(job.return_value, 6)
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