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rq/tests/test_decorator.py

95 lines
2.8 KiB
Python

from redis import StrictRedis
from tests import RQTestCase, mock
from tests.fixtures import decorated_job
from rq.decorators import job
from rq.job import Job
from rq.worker import DEFAULT_RESULT_TTL
class TestDecorator(RQTestCase):
def setUp(self):
super(TestDecorator, self).setUp()
def test_decorator_preserves_functionality(self):
"""Ensure that a decorated function's functionality is still preserved.
"""
self.assertEqual(decorated_job(1, 2), 3)
def test_decorator_adds_delay_attr(self):
"""Ensure that decorator adds a delay attribute to function that returns
a Job instance when called.
"""
self.assertTrue(hasattr(decorated_job, 'delay'))
result = decorated_job.delay(1, 2)
self.assertTrue(isinstance(result, Job))
# Ensure that job returns the right result when performed
self.assertEqual(result.perform(), 3)
def test_decorator_accepts_queue_name_as_argument(self):
"""Ensure that passing in queue name to the decorator puts the job in
the right queue.
"""
@job(queue='queue_name')
def hello():
return 'Hi'
result = hello.delay()
self.assertEqual(result.origin, 'queue_name')
def test_decorator_accepts_result_ttl_as_argument(self):
"""Ensure that passing in result_ttl to the decorator sets the
result_ttl on the job
"""
#Ensure default
result = decorated_job.delay(1, 2)
self.assertEqual(result.result_ttl, DEFAULT_RESULT_TTL)
@job('default', result_ttl=10)
def hello():
return 'Why hello'
result = hello.delay()
self.assertEqual(result.result_ttl, 10)
def test_decorator_accepts_result_depends_on_as_argument(self):
"""Ensure that passing in depends_on to the decorator sets the
correct dependency on the job
"""
@job(queue='queue_name')
def foo():
return 'Firstly'
@job(queue='queue_name')
def bar():
return 'Secondly'
foo_job = foo.delay()
bar_job = bar.delay(depends_on=foo_job)
self.assertIsNone(foo_job._dependency_id)
self.assertEqual(bar_job.dependency, foo_job)
self.assertEqual(bar_job._dependency_id, foo_job.id)
@mock.patch('rq.decorators.resolve_connection')
def test_decorator_connection_laziness(self, resolve_connection):
"""Ensure that job decorator resolve connection in `lazy` way """
resolve_connection.return_value = StrictRedis()
@job(queue='queue_name')
def foo():
return 'do something'
self.assertEqual(resolve_connection.call_count, 0)
foo()
self.assertEqual(resolve_connection.call_count, 0)
foo.delay()
self.assertEqual(resolve_connection.call_count, 1)