示例#1
0
    def test_task_registry(self):
        r = TaskRegistry()
        self.assertIsInstance(r, dict,
                "TaskRegistry is mapping")

        self.assertRegisterUnregisterCls(r, MockTask)
        self.assertRegisterUnregisterCls(r, MockPeriodicTask)

        r.register(MockPeriodicTask)
        r.unregister(MockPeriodicTask.name)
        self.assertNotIn(MockPeriodicTask, r)
        r.register(MockPeriodicTask)

        tasks = dict(r)
        self.assertIsInstance(tasks.get(MockTask.name), MockTask)
        self.assertIsInstance(tasks.get(MockPeriodicTask.name),
                                   MockPeriodicTask)

        self.assertIsInstance(r[MockTask.name], MockTask)
        self.assertIsInstance(r[MockPeriodicTask.name],
                                   MockPeriodicTask)

        r.unregister(MockTask)
        self.assertNotIn(MockTask.name, r)
        r.unregister(MockPeriodicTask)
        self.assertNotIn(MockPeriodicTask.name, r)

        self.assertTrue(MockTask().run())
        self.assertTrue(MockPeriodicTask().run())
示例#2
0
class test_TaskBucket(Case):

    def setUp(self):
        self.registry = TaskRegistry()
        self.task_classes = (TaskA, TaskB, TaskC)
        for task_cls in self.task_classes:
            self.registry.register(task_cls)

    @skip_if_disabled
    def test_get_nowait(self):
        x = buckets.TaskBucket(task_registry=self.registry)
        with self.assertRaises(buckets.Empty):
            x.get_nowait()

    @patch("celery.worker.buckets.sleep")
    def test_get_block(self, sleep):
        x = buckets.TaskBucket(task_registry=self.registry)
        x.not_empty = Mock()
        get = x._get = Mock()
        remaining = [0]

        def effect():
            if get.call_count == 1:
                raise Empty()
            rem = remaining[0]
            remaining[0] = 0
            return rem, Mock()
        get.side_effect = effect

        with mock_context(Mock()) as context:
            x.not_empty = context
            x.wait = Mock()
            x.get(block=True)

            get.reset()
            remaining[0] = 1
            x.get(block=True)

    def test_get_raises_rate(self):
        x = buckets.TaskBucket(task_registry=self.registry)
        x.buckets = {1: Mock()}
        x.buckets[1].get_nowait.side_effect = buckets.RateLimitExceeded()
        x.buckets[1].expected_time.return_value = 0
        x._get()

    @skip_if_disabled
    def test_refresh(self):
        reg = {}
        x = buckets.TaskBucket(task_registry=reg)
        reg["foo"] = "something"
        x.refresh()
        self.assertIn("foo", x.buckets)
        self.assertTrue(x.get_bucket_for_type("foo"))

    @skip_if_disabled
    def test__get_queue_for_type(self):
        x = buckets.TaskBucket(task_registry={})
        x.buckets["foo"] = buckets.TokenBucketQueue(fill_rate=1)
        self.assertIs(x._get_queue_for_type("foo"), x.buckets["foo"].queue)
        x.buckets["bar"] = buckets.FastQueue()
        self.assertIs(x._get_queue_for_type("bar"), x.buckets["bar"])

    @skip_if_disabled
    def test_update_bucket_for_type(self):
        bucket = buckets.TaskBucket(task_registry=self.registry)
        b = bucket._get_queue_for_type(TaskC.name)
        self.assertIs(bucket.update_bucket_for_type(TaskC.name).queue, b)
        self.assertIs(bucket.buckets[TaskC.name].queue, b)

    @skip_if_disabled
    def test_auto_add_on_missing_put(self):
        reg = {}
        b = buckets.TaskBucket(task_registry=reg)
        reg["nonexisting.task"] = "foo"

        b.put(MockJob(uuid(), "nonexisting.task", (), {}))
        self.assertIn("nonexisting.task", b.buckets)

    @skip_if_disabled
    def test_auto_add_on_missing(self):
        b = buckets.TaskBucket(task_registry=self.registry)
        for task_cls in self.task_classes:
            self.assertIn(task_cls.name, b.buckets.keys())
        self.registry.register(TaskD)
        self.assertTrue(b.get_bucket_for_type(TaskD.name))
        self.assertIn(TaskD.name, b.buckets.keys())
        self.registry.unregister(TaskD)

    @skip_if_disabled
    def test_has_rate_limits(self):
        b = buckets.TaskBucket(task_registry=self.registry)
        self.assertEqual(b.buckets[TaskA.name]._bucket.fill_rate, 10)
        self.assertIsInstance(b.buckets[TaskB.name], buckets.Queue)
        self.assertEqual(b.buckets[TaskC.name]._bucket.fill_rate, 1)
        self.registry.register(TaskD)
        b.init_with_registry()
        try:
            self.assertEqual(b.buckets[TaskD.name]._bucket.fill_rate,
                             1000 / 60.0)
        finally:
            self.registry.unregister(TaskD)

    @skip_if_disabled
    def test_on_empty_buckets__get_raises_empty(self):
        b = buckets.TaskBucket(task_registry=self.registry)
        with self.assertRaises(buckets.Empty):
            b.get(block=False)
        self.assertEqual(b.qsize(), 0)

    @skip_if_disabled
    def test_put__get(self):
        b = buckets.TaskBucket(task_registry=self.registry)
        job = MockJob(uuid(), TaskA.name, ["theqbf"], {"foo": "bar"})
        b.put(job)
        self.assertEqual(b.get(), job)

    @skip_if_disabled
    def test_fill_rate(self):
        b = buckets.TaskBucket(task_registry=self.registry)

        cjob = lambda i: MockJob(uuid(), TaskA.name, [i], {})
        jobs = [cjob(i) for i in xrange(20)]
        [b.put(job) for job in jobs]

        self.assertEqual(b.qsize(), 20)

        # 20 items should take at least one second to complete
        time_start = time.time()
        for i, job in enumerate(jobs):
            sys.stderr.write(".")
            self.assertEqual(b.get(), job)
        self.assertGreater(time.time() - time_start, 1.5)

    @skip_if_disabled
    def test__very_busy_queue_doesnt_block_others(self):
        b = buckets.TaskBucket(task_registry=self.registry)

        cjob = lambda i, t: MockJob(uuid(), t.name, [i], {})
        ajobs = [cjob(i, TaskA) for i in xrange(10)]
        bjobs = [cjob(i, TaskB) for i in xrange(20)]
        jobs = list(chain(*izip(bjobs, ajobs)))
        for job in jobs:
            b.put(job)

        got_ajobs = 0
        for job in (b.get() for i in xrange(20)):
            if job.name == TaskA.name:
                got_ajobs += 1

        self.assertGreater(got_ajobs, 2)

    @skip_if_disabled
    def test_thorough__multiple_types(self):
        self.registry.register(TaskD)
        try:
            b = buckets.TaskBucket(task_registry=self.registry)

            cjob = lambda i, t: MockJob(uuid(), t.name, [i], {})

            ajobs = [cjob(i, TaskA) for i in xrange(10)]
            bjobs = [cjob(i, TaskB) for i in xrange(10)]
            cjobs = [cjob(i, TaskC) for i in xrange(10)]
            djobs = [cjob(i, TaskD) for i in xrange(10)]

            # Spread the jobs around.
            jobs = list(chain(*izip(ajobs, bjobs, cjobs, djobs)))

            [b.put(job) for job in jobs]
            for i, job in enumerate(jobs):
                sys.stderr.write(".")
                self.assertTrue(b.get(), job)
            self.assertEqual(i + 1, len(jobs))
        finally:
            self.registry.unregister(TaskD)

    @skip_if_disabled
    def test_empty(self):
        x = buckets.TaskBucket(task_registry=self.registry)
        self.assertTrue(x.empty())
        x.put(MockJob(uuid(), TaskC.name, [], {}))
        self.assertFalse(x.empty())
        x.clear()
        self.assertTrue(x.empty())

    @skip_if_disabled
    def test_items(self):
        x = buckets.TaskBucket(task_registry=self.registry)
        x.buckets[TaskA.name].put(1)
        x.buckets[TaskB.name].put(2)
        x.buckets[TaskC.name].put(3)
        self.assertEqual(sorted(x.items), [1, 2, 3])
示例#3
0
class test_TaskBucket(Case):

    def setUp(self):
        self.registry = TaskRegistry()
        self.task_classes = (TaskA, TaskB, TaskC)
        for task_cls in self.task_classes:
            self.registry.register(task_cls)

    @skip_if_disabled
    def test_get_nowait(self):
        x = buckets.TaskBucket(task_registry=self.registry)
        with self.assertRaises(buckets.Empty):
            x.get_nowait()

    @patch('celery.worker.buckets.sleep')
    def test_get_block(self, sleep):
        x = buckets.TaskBucket(task_registry=self.registry)
        x.not_empty = Mock()
        get = x._get = Mock()
        remaining = [0]

        def effect():
            if get.call_count == 1:
                raise Empty()
            rem = remaining[0]
            remaining[0] = 0
            return rem, Mock()
        get.side_effect = effect

        with mock_context(Mock()) as context:
            x.not_empty = context
            x.wait = Mock()
            x.get(block=True)

            get.reset()
            remaining[0] = 1
            x.get(block=True)

    def test_get_raises_rate(self):
        x = buckets.TaskBucket(task_registry=self.registry)
        x.buckets = {1: Mock()}
        x.buckets[1].get_nowait.side_effect = buckets.RateLimitExceeded()
        x.buckets[1].expected_time.return_value = 0
        x._get()

    @skip_if_disabled
    def test_refresh(self):
        reg = {}
        x = buckets.TaskBucket(task_registry=reg)
        reg['foo'] = 'something'
        x.refresh()
        self.assertIn('foo', x.buckets)
        self.assertTrue(x.get_bucket_for_type('foo'))

    @skip_if_disabled
    def test__get_queue_for_type(self):
        x = buckets.TaskBucket(task_registry={})
        x.buckets['foo'] = buckets.TokenBucketQueue(fill_rate=1)
        self.assertIs(x._get_queue_for_type('foo'), x.buckets['foo'].queue)
        x.buckets['bar'] = buckets.FastQueue()
        self.assertIs(x._get_queue_for_type('bar'), x.buckets['bar'])

    @skip_if_disabled
    def test_update_bucket_for_type(self):
        bucket = buckets.TaskBucket(task_registry=self.registry)
        b = bucket._get_queue_for_type(TaskC.name)
        self.assertIs(bucket.update_bucket_for_type(TaskC.name).queue, b)
        self.assertIs(bucket.buckets[TaskC.name].queue, b)

    @skip_if_disabled
    def test_auto_add_on_missing_put(self):
        reg = {}
        b = buckets.TaskBucket(task_registry=reg)
        reg['nonexisting.task'] = 'foo'

        b.put(MockJob(uuid(), 'nonexisting.task', (), {}))
        self.assertIn('nonexisting.task', b.buckets)

    @skip_if_disabled
    def test_auto_add_on_missing(self):
        b = buckets.TaskBucket(task_registry=self.registry)
        for task_cls in self.task_classes:
            self.assertIn(task_cls.name, b.buckets.keys())
        self.registry.register(TaskD)
        self.assertTrue(b.get_bucket_for_type(TaskD.name))
        self.assertIn(TaskD.name, b.buckets.keys())
        self.registry.unregister(TaskD)

    @skip_if_disabled
    def test_has_rate_limits(self):
        b = buckets.TaskBucket(task_registry=self.registry)
        self.assertEqual(b.buckets[TaskA.name]._bucket.fill_rate, 10)
        self.assertIsInstance(b.buckets[TaskB.name], buckets.Queue)
        self.assertEqual(b.buckets[TaskC.name]._bucket.fill_rate, 1)
        self.registry.register(TaskD)
        b.init_with_registry()
        try:
            self.assertEqual(b.buckets[TaskD.name]._bucket.fill_rate,
                             1000 / 60.0)
        finally:
            self.registry.unregister(TaskD)

    @skip_if_disabled
    def test_on_empty_buckets__get_raises_empty(self):
        b = buckets.TaskBucket(task_registry=self.registry)
        with self.assertRaises(buckets.Empty):
            b.get(block=False)
        self.assertEqual(b.qsize(), 0)

    @skip_if_disabled
    def test_put__get(self):
        b = buckets.TaskBucket(task_registry=self.registry)
        job = MockJob(uuid(), TaskA.name, ['theqbf'], {'foo': 'bar'})
        b.put(job)
        self.assertEqual(b.get(), job)

    @skip_if_disabled
    def test_fill_rate(self):
        b = buckets.TaskBucket(task_registry=self.registry)

        cjob = lambda i: MockJob(uuid(), TaskA.name, [i], {})
        jobs = [cjob(i) for i in xrange(20)]
        [b.put(job) for job in jobs]

        self.assertEqual(b.qsize(), 20)

        # 20 items should take at least one second to complete
        time_start = time.time()
        for i, job in enumerate(jobs):
            sys.stderr.write('.')
            self.assertEqual(b.get(), job)
        self.assertGreater(time.time() - time_start, 1.5)

    @skip_if_disabled
    def test__very_busy_queue_doesnt_block_others(self):
        b = buckets.TaskBucket(task_registry=self.registry)

        cjob = lambda i, t: MockJob(uuid(), t.name, [i], {})
        ajobs = [cjob(i, TaskA) for i in xrange(10)]
        bjobs = [cjob(i, TaskB) for i in xrange(20)]
        jobs = list(chain(*izip(bjobs, ajobs)))
        for job in jobs:
            b.put(job)

        got_ajobs = 0
        for job in (b.get() for i in xrange(20)):
            if job.name == TaskA.name:
                got_ajobs += 1

        self.assertGreater(got_ajobs, 2)

    @skip_if_disabled
    def test_thorough__multiple_types(self):
        self.registry.register(TaskD)
        try:
            b = buckets.TaskBucket(task_registry=self.registry)

            cjob = lambda i, t: MockJob(uuid(), t.name, [i], {})

            ajobs = [cjob(i, TaskA) for i in xrange(10)]
            bjobs = [cjob(i, TaskB) for i in xrange(10)]
            cjobs = [cjob(i, TaskC) for i in xrange(10)]
            djobs = [cjob(i, TaskD) for i in xrange(10)]

            # Spread the jobs around.
            jobs = list(chain(*izip(ajobs, bjobs, cjobs, djobs)))

            [b.put(job) for job in jobs]
            for i, job in enumerate(jobs):
                sys.stderr.write('.')
                self.assertTrue(b.get(), job)
            self.assertEqual(i + 1, len(jobs))
        finally:
            self.registry.unregister(TaskD)

    @skip_if_disabled
    def test_empty(self):
        x = buckets.TaskBucket(task_registry=self.registry)
        self.assertTrue(x.empty())
        x.put(MockJob(uuid(), TaskC.name, [], {}))
        self.assertFalse(x.empty())
        x.clear()
        self.assertTrue(x.empty())

    @skip_if_disabled
    def test_items(self):
        x = buckets.TaskBucket(task_registry=self.registry)
        x.buckets[TaskA.name].put(1)
        x.buckets[TaskB.name].put(2)
        x.buckets[TaskC.name].put(3)
        self.assertEqual(sorted(x.items), [1, 2, 3])