mirror of https://github.com/rq/rq.git
154 lines
4.5 KiB
Python
154 lines
4.5 KiB
Python
import unittest
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from pickle import loads
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from blinker import signal
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from redis import Redis
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from rq import conn, Queue, Worker
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# Test data
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def testjob(name=None):
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if name is None:
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name = 'Stranger'
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return 'Hi there, %s!' % (name,)
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class RQTestCase(unittest.TestCase):
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def setUp(self):
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super(RQTestCase, self).setUp()
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# Set up connection to Redis
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testconn = Redis()
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conn.push(testconn)
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# Flush beforewards (we like our hygiene)
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conn.flushdb()
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signal('setup').send(self)
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# Store the connection (for sanity checking)
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self.testconn = testconn
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def tearDown(self):
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signal('teardown').send(self)
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# Flush afterwards
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conn.flushdb()
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# Pop the connection to Redis
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testconn = conn.pop()
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assert testconn == self.testconn, 'Wow, something really nasty happened to the Redis connection stack. Check your setup.'
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super(RQTestCase, self).tearDown()
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def assertQueueContains(self, queue, that_func):
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# Do a queue scan (this is O(n), but we're in a test, so hey)
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for message in queue.messages:
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f, _, args, kwargs = loads(message)
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if f == that_func:
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return
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self.fail('Queue %s does not contain message for function %s' %
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(queue.key, that_func))
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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):
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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_queue_empty(self):
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"""Detecting empty queues."""
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q = Queue('my-queue')
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self.assertEquals(q.empty, True)
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conn.rpush('rq:queue:my-queue', 'some val')
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self.assertEquals(q.empty, False)
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def test_enqueue(self):
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"""Putting work on queues."""
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q = Queue('my-queue')
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self.assertEquals(q.empty, True)
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# testjob spec holds which queue this is sent to
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q.enqueue(testjob, 'Nick', foo='bar')
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self.assertEquals(q.empty, False)
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self.assertQueueContains(q, testjob)
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def test_dequeue(self):
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"""Fetching work from specific queue."""
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q = Queue('foo')
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q.enqueue(testjob, 'Rick', foo='bar')
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# Pull it off the queue (normally, a worker would do this)
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job = q.dequeue()
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self.assertEquals(job.func, testjob)
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self.assertEquals(job.origin, q)
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self.assertEquals(job.args[0], 'Rick')
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self.assertEquals(job.kwargs['foo'], 'bar')
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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(testjob)
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job = Queue.dequeue_any([fooq, barq], False)
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self.assertEquals(job.func, testjob)
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# Enqueue items on both queues
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barq.enqueue(testjob, 'for Bar')
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fooq.enqueue(testjob, 'for Foo')
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job = Queue.dequeue_any([fooq, barq], False)
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self.assertEquals(job.func, testjob)
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self.assertEquals(job.origin, fooq)
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self.assertEquals(job.args[0], 'for Foo', 'Foo should be dequeued first.')
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job = Queue.dequeue_any([fooq, barq], False)
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self.assertEquals(job.func, testjob)
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self.assertEquals(job.origin, barq)
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self.assertEquals(job.args[0], 'for Bar', 'Bar should be dequeued second.')
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class TestWorker(RQTestCase):
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def test_create_worker(self):
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"""Worker creation."""
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fooq, barq = Queue('foo'), Queue('bar')
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w = Worker([fooq, barq])
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self.assertEquals(w.queues, [fooq, barq])
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def test_work_and_quit(self):
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"""Worker processes work, then quits."""
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fooq, barq = Queue('foo'), Queue('bar')
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w = Worker([fooq, barq])
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self.assertEquals(w.work_burst(), False, 'Did not expect any work on the queue.')
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fooq.enqueue(testjob, name='Frank')
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self.assertEquals(w.work_burst(), True, 'Expected at least some work done.')
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if __name__ == '__main__':
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unittest.main()
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