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rq/tests/test_callbacks.py

219 lines
9.0 KiB
Python

from datetime import timedelta
from rq import Queue, Worker
from rq.job import Job, JobStatus, UNEVALUATED
from rq.serializers import JSONSerializer
from rq.worker import SimpleWorker
from tests import RQTestCase
from tests.fixtures import (
div_by_zero,
erroneous_callback,
long_process,
save_exception,
save_result,
save_result_if_not_stopped,
say_hello,
)
class QueueCallbackTestCase(RQTestCase):
def test_enqueue_with_success_callback(self):
"""Test enqueue* methods with on_success"""
queue = Queue(connection=self.testconn)
# Only functions and builtins are supported as callback
with self.assertRaises(ValueError):
queue.enqueue(say_hello, on_success=Job.fetch)
job = queue.enqueue(say_hello, on_success=print)
job = Job.fetch(id=job.id, connection=self.testconn)
self.assertEqual(job.success_callback, print)
job = queue.enqueue_in(timedelta(seconds=10), say_hello, on_success=print)
job = Job.fetch(id=job.id, connection=self.testconn)
self.assertEqual(job.success_callback, print)
def test_enqueue_with_failure_callback(self):
"""queue.enqueue* methods with on_failure is persisted correctly"""
queue = Queue(connection=self.testconn)
# Only functions and builtins are supported as callback
with self.assertRaises(ValueError):
queue.enqueue(say_hello, on_failure=Job.fetch)
job = queue.enqueue(say_hello, on_failure=print)
job = Job.fetch(id=job.id, connection=self.testconn)
self.assertEqual(job.failure_callback, print)
job = queue.enqueue_in(timedelta(seconds=10), say_hello, on_failure=print)
job = Job.fetch(id=job.id, connection=self.testconn)
self.assertEqual(job.failure_callback, print)
def test_enqueue_with_stopped_callback(self):
"""queue.enqueue* methods with on_stopped is persisted correctly"""
queue = Queue(connection=self.testconn)
# Only functions and builtins are supported as callback
with self.assertRaises(ValueError):
queue.enqueue(say_hello, on_stopped=Job.fetch)
job = queue.enqueue(long_process, on_stopped=print)
job = Job.fetch(id=job.id, connection=self.testconn)
self.assertEqual(job.stopped_callback, print)
job = queue.enqueue_in(timedelta(seconds=10), long_process, on_stopped=print)
job = Job.fetch(id=job.id, connection=self.testconn)
self.assertEqual(job.stopped_callback, print)
class SyncJobCallback(RQTestCase):
def test_success_callback(self):
"""Test success callback is executed only when job is successful"""
queue = Queue(is_async=False)
job = queue.enqueue(say_hello, on_success=save_result)
self.assertEqual(job.get_status(), JobStatus.FINISHED)
self.assertEqual(self.testconn.get('success_callback:%s' % job.id).decode(), job.result)
job = queue.enqueue(div_by_zero, on_success=save_result)
self.assertEqual(job.get_status(), JobStatus.FAILED)
self.assertFalse(self.testconn.exists('success_callback:%s' % job.id))
def test_failure_callback(self):
"""queue.enqueue* methods with on_failure is persisted correctly"""
queue = Queue(is_async=False)
job = queue.enqueue(div_by_zero, on_failure=save_exception)
self.assertEqual(job.get_status(), JobStatus.FAILED)
self.assertIn('div_by_zero', self.testconn.get('failure_callback:%s' % job.id).decode())
job = queue.enqueue(div_by_zero, on_success=save_result)
self.assertEqual(job.get_status(), JobStatus.FAILED)
self.assertFalse(self.testconn.exists('failure_callback:%s' % job.id))
def test_stopped_callback(self):
"""queue.enqueue* methods with on_stopped is persisted correctly"""
connection = self.testconn
queue = Queue('foo', connection=connection, serializer=JSONSerializer)
worker = SimpleWorker('foo', connection=connection, serializer=JSONSerializer)
job = queue.enqueue(long_process, on_stopped=save_result_if_not_stopped)
job.execute_stopped_callback(
worker.death_penalty_class
) # Calling execute_stopped_callback directly for coverage
self.assertTrue(self.testconn.exists('stopped_callback:%s' % job.id))
class WorkerCallbackTestCase(RQTestCase):
def test_success_callback(self):
"""Test success callback is executed only when job is successful"""
queue = Queue(connection=self.testconn)
worker = SimpleWorker([queue])
job = queue.enqueue(say_hello, on_success=save_result)
# Callback is executed when job is successfully executed
worker.work(burst=True)
self.assertEqual(job.get_status(), JobStatus.FINISHED)
self.assertEqual(self.testconn.get('success_callback:%s' % job.id).decode(), job.return_value())
job = queue.enqueue(div_by_zero, on_success=save_result)
worker.work(burst=True)
self.assertEqual(job.get_status(), JobStatus.FAILED)
self.assertFalse(self.testconn.exists('success_callback:%s' % job.id))
def test_erroneous_success_callback(self):
"""Test exception handling when executing success callback"""
queue = Queue(connection=self.testconn)
worker = Worker([queue])
# If success_callback raises an error, job will is considered as failed
job = queue.enqueue(say_hello, on_success=erroneous_callback)
worker.work(burst=True)
self.assertEqual(job.get_status(), JobStatus.FAILED)
def test_failure_callback(self):
"""Test failure callback is executed only when job a fails"""
queue = Queue(connection=self.testconn)
worker = SimpleWorker([queue])
job = queue.enqueue(div_by_zero, on_failure=save_exception)
# Callback is executed when job is successfully executed
worker.work(burst=True)
self.assertEqual(job.get_status(), JobStatus.FAILED)
job.refresh()
print(job.exc_info)
self.assertIn('div_by_zero', self.testconn.get('failure_callback:%s' % job.id).decode())
job = queue.enqueue(div_by_zero, on_success=save_result)
worker.work(burst=True)
self.assertEqual(job.get_status(), JobStatus.FAILED)
self.assertFalse(self.testconn.exists('failure_callback:%s' % job.id))
# TODO: add test case for error while executing failure callback
class JobCallbackTestCase(RQTestCase):
def test_job_creation_with_success_callback(self):
"""Ensure callbacks are created and persisted properly"""
job = Job.create(say_hello)
self.assertIsNone(job._success_callback_name)
# _success_callback starts with UNEVALUATED
self.assertEqual(job._success_callback, UNEVALUATED)
self.assertEqual(job.success_callback, None)
# _success_callback becomes `None` after `job.success_callback` is called if there's no success callback
self.assertEqual(job._success_callback, None)
# job.success_callback is assigned properly
job = Job.create(say_hello, on_success=print)
self.assertIsNotNone(job._success_callback_name)
self.assertEqual(job.success_callback, print)
job.save()
job = Job.fetch(id=job.id, connection=self.testconn)
self.assertEqual(job.success_callback, print)
def test_job_creation_with_failure_callback(self):
"""Ensure failure callbacks are persisted properly"""
job = Job.create(say_hello)
self.assertIsNone(job._failure_callback_name)
# _failure_callback starts with UNEVALUATED
self.assertEqual(job._failure_callback, UNEVALUATED)
self.assertEqual(job.failure_callback, None)
# _failure_callback becomes `None` after `job.failure_callback` is called if there's no failure callback
self.assertEqual(job._failure_callback, None)
# job.failure_callback is assigned properly
job = Job.create(say_hello, on_failure=print)
self.assertIsNotNone(job._failure_callback_name)
self.assertEqual(job.failure_callback, print)
job.save()
job = Job.fetch(id=job.id, connection=self.testconn)
self.assertEqual(job.failure_callback, print)
def test_job_creation_with_stopped_callback(self):
"""Ensure stopped callbacks are persisted properly"""
job = Job.create(say_hello)
self.assertIsNone(job._stopped_callback_name)
# _failure_callback starts with UNEVALUATED
self.assertEqual(job._stopped_callback, UNEVALUATED)
self.assertEqual(job.stopped_callback, None)
# _stopped_callback becomes `None` after `job.stopped_callback` is called if there's no stopped callback
self.assertEqual(job._stopped_callback, None)
# job.failure_callback is assigned properly
job = Job.create(say_hello, on_stopped=print)
self.assertIsNotNone(job._stopped_callback_name)
self.assertEqual(job.stopped_callback, print)
job.save()
job = Job.fetch(id=job.id, connection=self.testconn)
self.assertEqual(job.stopped_callback, print)