mirror of https://github.com/rq/rq.git
201 lines
7.2 KiB
Python
201 lines
7.2 KiB
Python
import times
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from datetime import datetime
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from tests import RQTestCase
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from tests.fixtures import Calculator, some_calculation, say_hello
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from tests.helpers import strip_milliseconds
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from cPickle import loads
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from rq.job import Job
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from rq.exceptions import NoSuchJobError, UnpickleError
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class TestJob(RQTestCase):
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def test_create_empty_job(self):
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"""Creation of new empty jobs."""
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job = Job()
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# Jobs have a random UUID and a creation date
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self.assertIsNotNone(job.id)
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self.assertIsNotNone(job.created_at)
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# ...and nothing else
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self.assertIsNone(job.func)
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self.assertIsNone(job.instance)
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self.assertIsNone(job.args)
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self.assertIsNone(job.kwargs)
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self.assertIsNone(job.origin)
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self.assertIsNone(job.enqueued_at)
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self.assertIsNone(job.ended_at)
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self.assertIsNone(job.result)
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self.assertIsNone(job.exc_info)
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def test_create_typical_job(self):
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"""Creation of jobs for function calls."""
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job = Job.create(func=some_calculation, args=(3, 4), kwargs=dict(z=2))
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# Jobs have a random UUID
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self.assertIsNotNone(job.id)
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self.assertIsNotNone(job.created_at)
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self.assertIsNotNone(job.description)
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self.assertIsNone(job.instance)
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# Job data is set...
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self.assertEquals(job.func, some_calculation)
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self.assertEquals(job.args, (3, 4))
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self.assertEquals(job.kwargs, {'z': 2})
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# ...but metadata is not
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self.assertIsNone(job.origin)
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self.assertIsNone(job.enqueued_at)
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self.assertIsNone(job.result)
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def test_create_instance_method_job(self):
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"""Creation of jobs for instance methods."""
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c = Calculator(2)
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job = Job.create(func=c.calculate, args=(3, 4))
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# Job data is set
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self.assertEquals(job.func, c.calculate)
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self.assertEquals(job.instance, c)
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self.assertEquals(job.args, (3, 4))
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def test_create_job_from_string_function(self):
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"""Creation of jobs using string specifier."""
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job = Job.create(func='tests.fixtures.say_hello', args=('World',))
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# Job data is set
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self.assertEquals(job.func, say_hello)
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self.assertIsNone(job.instance)
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self.assertEquals(job.args, ('World',))
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def test_save(self): # noqa
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"""Storing jobs."""
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job = Job.create(func=some_calculation, args=(3, 4), kwargs=dict(z=2))
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# Saving creates a Redis hash
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self.assertEquals(self.testconn.exists(job.key), False)
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job.save()
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self.assertEquals(self.testconn.type(job.key), 'hash')
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# Saving writes pickled job data
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unpickled_data = loads(self.testconn.hget(job.key, 'data'))
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self.assertEquals(unpickled_data[0], 'tests.fixtures.some_calculation')
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def test_fetch(self):
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"""Fetching jobs."""
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# Prepare test
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self.testconn.hset('rq:job:some_id', 'data',
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"(S'tests.fixtures.some_calculation'\nN(I3\nI4\nt(dp1\nS'z'\nI2\nstp2\n.") # noqa
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self.testconn.hset('rq:job:some_id', 'created_at',
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"2012-02-07 22:13:24+0000")
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# Fetch returns a job
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job = Job.fetch('some_id')
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self.assertEquals(job.id, 'some_id')
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self.assertEquals(job.func_name, 'tests.fixtures.some_calculation')
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self.assertIsNone(job.instance)
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self.assertEquals(job.args, (3, 4))
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self.assertEquals(job.kwargs, dict(z=2))
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self.assertEquals(job.created_at, datetime(2012, 2, 7, 22, 13, 24))
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def test_persistence_of_empty_jobs(self): # noqa
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"""Storing empty jobs."""
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job = Job()
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job.save()
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expected_date = strip_milliseconds(job.created_at)
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stored_date = self.testconn.hget(job.key, 'created_at')
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self.assertEquals(
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times.to_universal(stored_date),
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expected_date)
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# ... and no other keys are stored
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self.assertItemsEqual(
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self.testconn.hkeys(job.key),
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['created_at'])
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def test_persistence_of_typical_jobs(self):
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"""Storing typical jobs."""
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job = Job.create(func=some_calculation, args=(3, 4), kwargs=dict(z=2))
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job.save()
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expected_date = strip_milliseconds(job.created_at)
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stored_date = self.testconn.hget(job.key, 'created_at')
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self.assertEquals(
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times.to_universal(stored_date),
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expected_date)
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# ... and no other keys are stored
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self.assertItemsEqual(
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self.testconn.hkeys(job.key),
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['created_at', 'data', 'description'])
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def test_store_then_fetch(self):
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"""Store, then fetch."""
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job = Job.create(func=some_calculation, args=(3, 4), kwargs=dict(z=2))
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job.save()
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job2 = Job.fetch(job.id)
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self.assertEquals(job.func, job2.func)
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self.assertEquals(job.args, job2.args)
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self.assertEquals(job.kwargs, job2.kwargs)
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# Mathematical equation
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self.assertEquals(job, job2)
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def test_fetching_can_fail(self):
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"""Fetching fails for non-existing jobs."""
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with self.assertRaises(NoSuchJobError):
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Job.fetch('b4a44d44-da16-4620-90a6-798e8cd72ca0')
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def test_fetching_unreadable_data(self):
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"""Fetching fails on unreadable data."""
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# Set up
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job = Job.create(func=some_calculation, args=(3, 4), kwargs=dict(z=2))
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job.save()
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# Just replace the data hkey with some random noise
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self.testconn.hset(job.key, 'data', 'this is no pickle string')
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with self.assertRaises(UnpickleError):
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job.refresh()
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def test_job_is_unimportable(self):
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"""Jobs that cannot be imported throw exception on access."""
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job = Job.create(func=say_hello, args=('Lionel',))
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job.save()
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# Now slightly modify the job to make it unimportable (this is
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# equivalent to a worker not having the most up-to-date source code
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# and unable to import the function)
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data = self.testconn.hget(job.key, 'data')
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unimportable_data = data.replace('say_hello', 'shut_up')
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self.testconn.hset(job.key, 'data', unimportable_data)
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job.refresh()
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with self.assertRaises(AttributeError):
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job.func # accessing the func property should fail
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def test_custom_meta_is_persisted(self):
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"""Additional meta data on jobs are stored persisted correctly."""
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job = Job.create(func=say_hello, args=('Lionel',))
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job.meta['foo'] = 'bar'
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job.save()
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raw_data = self.testconn.hget(job.key, 'meta')
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self.assertEqual(loads(raw_data)['foo'], 'bar')
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job2 = Job.fetch(job.id)
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self.assertEqual(job2.meta['foo'], 'bar')
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def test_result_ttl_is_persisted(self):
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"""Ensure that job's result_ttl is set properly"""
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job = Job.create(func=say_hello, args=('Lionel',), result_ttl=10)
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job.save()
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job_from_queue = Job.fetch(job.id, connection=self.testconn)
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self.assertEqual(job.result_ttl, 10)
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job = Job.create(func=say_hello, args=('Lionel',))
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job.save()
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job_from_queue = Job.fetch(job.id, connection=self.testconn)
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self.assertEqual(job.result_ttl, None)
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