Example #1
0
    def test_mget(self):
        tb = CacheBackend(backend="memory://")
        tb.set("foo", 1)
        tb.set("bar", 2)

        self.assertDictEqual(tb.mget(["foo", "bar"]),
                             {"foo": 1, "bar": 2})
Example #2
0
class test_CacheBackend(AppCase):

    def setup(self):
        self.app.conf.result_serializer = 'pickle'
        self.tb = CacheBackend(backend='memory://', app=self.app)
        self.tid = uuid()
        self.old_get_best_memcached = backends['memcache']
        backends['memcache'] = lambda: (DummyClient, ensure_bytes)

    def teardown(self):
        backends['memcache'] = self.old_get_best_memcached

    def test_no_backend(self):
        self.app.conf.cache_backend = None
        with self.assertRaises(ImproperlyConfigured):
            CacheBackend(backend=None, app=self.app)

    def test_mark_as_done(self):
        self.assertEqual(self.tb.get_state(self.tid), states.PENDING)
        self.assertIsNone(self.tb.get_result(self.tid))

        self.tb.mark_as_done(self.tid, 42)
        self.assertEqual(self.tb.get_state(self.tid), states.SUCCESS)
        self.assertEqual(self.tb.get_result(self.tid), 42)

    def test_is_pickled(self):
        result = {'foo': 'baz', 'bar': SomeClass(12345)}
        self.tb.mark_as_done(self.tid, result)
        # is serialized properly.
        rindb = self.tb.get_result(self.tid)
        self.assertEqual(rindb.get('foo'), 'baz')
        self.assertEqual(rindb.get('bar').data, 12345)

    def test_mark_as_failure(self):
        try:
            raise KeyError('foo')
        except KeyError as exception:
            self.tb.mark_as_failure(self.tid, exception)
            self.assertEqual(self.tb.get_state(self.tid), states.FAILURE)
            self.assertIsInstance(self.tb.get_result(self.tid), KeyError)

    def test_apply_chord(self):
        tb = CacheBackend(backend='memory://', app=self.app)
        gid, res = uuid(), [self.app.AsyncResult(uuid()) for _ in range(3)]
        tb.apply_chord(group(app=self.app), (), gid, {}, result=res)

    @patch('celery.result.GroupResult.restore')
    def test_on_chord_part_return(self, restore):
        tb = CacheBackend(backend='memory://', app=self.app)

        deps = Mock()
        deps.__len__ = Mock()
        deps.__len__.return_value = 2
        restore.return_value = deps
        task = Mock()
        task.name = 'foobarbaz'
        self.app.tasks['foobarbaz'] = task
        task.request.chord = signature(task)

        gid, res = uuid(), [self.app.AsyncResult(uuid()) for _ in range(3)]
        task.request.group = gid
        tb.apply_chord(group(app=self.app), (), gid, {}, result=res)

        self.assertFalse(deps.join_native.called)
        tb.on_chord_part_return(task.request, 'SUCCESS', 10)
        self.assertFalse(deps.join_native.called)

        tb.on_chord_part_return(task.request, 'SUCCESS', 10)
        deps.join_native.assert_called_with(propagate=True, timeout=3.0)
        deps.delete.assert_called_with()

    def test_mget(self):
        self.tb.set('foo', 1)
        self.tb.set('bar', 2)

        self.assertDictEqual(self.tb.mget(['foo', 'bar']),
                             {'foo': 1, 'bar': 2})

    def test_forget(self):
        self.tb.mark_as_done(self.tid, {'foo': 'bar'})
        x = self.app.AsyncResult(self.tid, backend=self.tb)
        x.forget()
        self.assertIsNone(x.result)

    def test_process_cleanup(self):
        self.tb.process_cleanup()

    def test_expires_as_int(self):
        tb = CacheBackend(backend='memory://', expires=10, app=self.app)
        self.assertEqual(tb.expires, 10)

    def test_unknown_backend_raises_ImproperlyConfigured(self):
        with self.assertRaises(ImproperlyConfigured):
            CacheBackend(backend='unknown://', app=self.app)

    def test_as_uri_no_servers(self):
        self.assertEqual(self.tb.as_uri(), 'memory:///')

    def test_as_uri_one_server(self):
        backend = 'memcache://127.0.0.1:11211/'
        b = CacheBackend(backend=backend, app=self.app)
        self.assertEqual(b.as_uri(), backend)

    def test_as_uri_multiple_servers(self):
        backend = 'memcache://127.0.0.1:11211;127.0.0.2:11211;127.0.0.3/'
        b = CacheBackend(backend=backend, app=self.app)
        self.assertEqual(b.as_uri(), backend)

    @disable_stdouts
    def test_regression_worker_startup_info(self):
        self.app.conf.result_backend = (
            'cache+memcached://127.0.0.1:11211;127.0.0.2:11211;127.0.0.3/'
        )
        worker = self.app.Worker()
        worker.on_start()
        self.assertTrue(worker.startup_info())
Example #3
0
class test_CacheBackend(AppCase):

    def setup(self):
        self.tb = CacheBackend(backend='memory://', app=self.app)
        self.tid = uuid()

    def test_no_backend(self):
        self.app.conf.CELERY_CACHE_BACKEND = None
        with self.assertRaises(ImproperlyConfigured):
            CacheBackend(backend=None, app=self.app)

    def test_mark_as_done(self):
        self.assertEqual(self.tb.get_status(self.tid), states.PENDING)
        self.assertIsNone(self.tb.get_result(self.tid))

        self.tb.mark_as_done(self.tid, 42)
        self.assertEqual(self.tb.get_status(self.tid), states.SUCCESS)
        self.assertEqual(self.tb.get_result(self.tid), 42)

    def test_is_pickled(self):
        result = {'foo': 'baz', 'bar': SomeClass(12345)}
        self.tb.mark_as_done(self.tid, result)
        # is serialized properly.
        rindb = self.tb.get_result(self.tid)
        self.assertEqual(rindb.get('foo'), 'baz')
        self.assertEqual(rindb.get('bar').data, 12345)

    def test_mark_as_failure(self):
        try:
            raise KeyError('foo')
        except KeyError as exception:
            self.tb.mark_as_failure(self.tid, exception)
            self.assertEqual(self.tb.get_status(self.tid), states.FAILURE)
            self.assertIsInstance(self.tb.get_result(self.tid), KeyError)

    def test_apply_chord(self):
        tb = CacheBackend(backend='memory://', app=self.app)
        gid, res = uuid(), [self.app.AsyncResult(uuid()) for _ in range(3)]
        tb.apply_chord(group(app=self.app), (), gid, {}, result=res)

    @patch('celery.result.GroupResult.restore')
    def test_on_chord_part_return(self, restore):
        tb = CacheBackend(backend='memory://', app=self.app)

        deps = Mock()
        deps.__len__ = Mock()
        deps.__len__.return_value = 2
        restore.return_value = deps
        task = Mock()
        task.name = 'foobarbaz'
        self.app.tasks['foobarbaz'] = task
        task.request.chord = signature(task)

        gid, res = uuid(), [self.app.AsyncResult(uuid()) for _ in range(3)]
        task.request.group = gid
        tb.apply_chord(group(app=self.app), (), gid, {}, result=res)

        self.assertFalse(deps.join_native.called)
        tb.on_chord_part_return(task, 'SUCCESS', 10)
        self.assertFalse(deps.join_native.called)

        tb.on_chord_part_return(task, 'SUCCESS', 10)
        deps.join_native.assert_called_with(propagate=True, timeout=3.0)
        deps.delete.assert_called_with()

    def test_mget(self):
        self.tb.set('foo', 1)
        self.tb.set('bar', 2)

        self.assertDictEqual(self.tb.mget(['foo', 'bar']),
                             {'foo': 1, 'bar': 2})

    def test_forget(self):
        self.tb.mark_as_done(self.tid, {'foo': 'bar'})
        x = self.app.AsyncResult(self.tid, backend=self.tb)
        x.forget()
        self.assertIsNone(x.result)

    def test_process_cleanup(self):
        self.tb.process_cleanup()

    def test_expires_as_int(self):
        tb = CacheBackend(backend='memory://', expires=10, app=self.app)
        self.assertEqual(tb.expires, 10)

    def test_unknown_backend_raises_ImproperlyConfigured(self):
        with self.assertRaises(ImproperlyConfigured):
            CacheBackend(backend='unknown://', app=self.app)
Example #4
0
class test_CacheBackend:

    def setup(self):
        self.app.conf.result_serializer = 'pickle'
        self.tb = CacheBackend(backend='memory://', app=self.app)
        self.tid = uuid()
        self.old_get_best_memcached = backends['memcache']
        backends['memcache'] = lambda: (DummyClient, ensure_bytes)

    def teardown(self):
        backends['memcache'] = self.old_get_best_memcached

    def test_no_backend(self):
        self.app.conf.cache_backend = None
        with pytest.raises(ImproperlyConfigured):
            CacheBackend(backend=None, app=self.app)

    def test_mark_as_done(self):
        assert self.tb.get_state(self.tid) == states.PENDING
        assert self.tb.get_result(self.tid) is None

        self.tb.mark_as_done(self.tid, 42)
        assert self.tb.get_state(self.tid) == states.SUCCESS
        assert self.tb.get_result(self.tid) == 42

    def test_is_pickled(self):
        result = {'foo': 'baz', 'bar': SomeClass(12345)}
        self.tb.mark_as_done(self.tid, result)
        # is serialized properly.
        rindb = self.tb.get_result(self.tid)
        assert rindb.get('foo') == 'baz'
        assert rindb.get('bar').data == 12345

    def test_mark_as_failure(self):
        try:
            raise KeyError('foo')
        except KeyError as exception:
            self.tb.mark_as_failure(self.tid, exception)
            assert self.tb.get_state(self.tid) == states.FAILURE
            assert isinstance(self.tb.get_result(self.tid), KeyError)

    def test_apply_chord(self):
        tb = CacheBackend(backend='memory://', app=self.app)
        result = self.app.GroupResult(
            uuid(),
            [self.app.AsyncResult(uuid()) for _ in range(3)],
        )
        tb.apply_chord(result, None)
        assert self.app.GroupResult.restore(result.id, backend=tb) == result

    @patch('celery.result.GroupResult.restore')
    def test_on_chord_part_return(self, restore):
        tb = CacheBackend(backend='memory://', app=self.app)

        deps = Mock()
        deps.__len__ = Mock()
        deps.__len__.return_value = 2
        restore.return_value = deps
        task = Mock()
        task.name = 'foobarbaz'
        self.app.tasks['foobarbaz'] = task
        task.request.chord = signature(task)

        result = self.app.GroupResult(
            uuid(),
            [self.app.AsyncResult(uuid()) for _ in range(3)],
        )
        task.request.group = result.id
        tb.apply_chord(result, None)

        deps.join_native.assert_not_called()
        tb.on_chord_part_return(task.request, 'SUCCESS', 10)
        deps.join_native.assert_not_called()

        tb.on_chord_part_return(task.request, 'SUCCESS', 10)
        deps.join_native.assert_called_with(propagate=True, timeout=3.0)
        deps.delete.assert_called_with()

    def test_mget(self):
        self.tb.set('foo', 1)
        self.tb.set('bar', 2)

        assert self.tb.mget(['foo', 'bar']) == {'foo': 1, 'bar': 2}

    def test_forget(self):
        self.tb.mark_as_done(self.tid, {'foo': 'bar'})
        x = self.app.AsyncResult(self.tid, backend=self.tb)
        x.forget()
        assert x.result is None

    def test_process_cleanup(self):
        self.tb.process_cleanup()

    def test_expires_as_int(self):
        tb = CacheBackend(backend='memory://', expires=10, app=self.app)
        assert tb.expires == 10

    def test_unknown_backend_raises_ImproperlyConfigured(self):
        with pytest.raises(ImproperlyConfigured):
            CacheBackend(backend='unknown://', app=self.app)

    def test_as_uri_no_servers(self):
        assert self.tb.as_uri() == 'memory:///'

    def test_as_uri_one_server(self):
        backend = 'memcache://127.0.0.1:11211/'
        b = CacheBackend(backend=backend, app=self.app)
        assert b.as_uri() == backend

    def test_as_uri_multiple_servers(self):
        backend = 'memcache://127.0.0.1:11211;127.0.0.2:11211;127.0.0.3/'
        b = CacheBackend(backend=backend, app=self.app)
        assert b.as_uri() == backend

    @skip.unless_module('memcached', name='python-memcached')
    def test_regression_worker_startup_info(self):
        self.app.conf.result_backend = (
            'cache+memcached://127.0.0.1:11211;127.0.0.2:11211;127.0.0.3/'
        )
        worker = self.app.Worker()
        with mock.stdouts():
            worker.on_start()
            assert worker.startup_info()
Example #5
0
class test_CacheBackend(Case):

    def setUp(self):
        self.tb = CacheBackend(backend='memory://')
        self.tid = uuid()

    def test_mark_as_done(self):
        self.assertEqual(self.tb.get_status(self.tid), states.PENDING)
        self.assertIsNone(self.tb.get_result(self.tid))

        self.tb.mark_as_done(self.tid, 42)
        self.assertEqual(self.tb.get_status(self.tid), states.SUCCESS)
        self.assertEqual(self.tb.get_result(self.tid), 42)

    def test_is_pickled(self):
        result = {'foo': 'baz', 'bar': SomeClass(12345)}
        self.tb.mark_as_done(self.tid, result)
        # is serialized properly.
        rindb = self.tb.get_result(self.tid)
        self.assertEqual(rindb.get('foo'), 'baz')
        self.assertEqual(rindb.get('bar').data, 12345)

    def test_mark_as_failure(self):
        try:
            raise KeyError('foo')
        except KeyError as exception:
            self.tb.mark_as_failure(self.tid, exception)
            self.assertEqual(self.tb.get_status(self.tid), states.FAILURE)
            self.assertIsInstance(self.tb.get_result(self.tid), KeyError)

    def test_on_chord_apply(self):
        tb = CacheBackend(backend='memory://')
        tb.on_chord_apply('group_id', [])

    @patch('celery.result.GroupResult')
    def test_on_chord_part_return(self, setresult):
        tb = CacheBackend(backend='memory://')

        deps = Mock()
        deps.__len__ = Mock()
        deps.__len__.return_value = 2
        setresult.restore.return_value = deps
        task = Mock()
        task.name = 'foobarbaz'
        try:
            current_app.tasks['foobarbaz'] = task
            task.request.chord = subtask(task)
            task.request.group = 'group_id'

            tb.on_chord_apply(task.request.group, [])

            self.assertFalse(deps.join.called)
            tb.on_chord_part_return(task)
            self.assertFalse(deps.join.called)

            tb.on_chord_part_return(task)
            deps.join.assert_called_with(propagate=False)
            deps.delete.assert_called_with()

        finally:
            current_app.tasks.pop('foobarbaz')

    def test_mget(self):
        self.tb.set('foo', 1)
        self.tb.set('bar', 2)

        self.assertDictEqual(self.tb.mget(['foo', 'bar']),
                             {'foo': 1, 'bar': 2})

    def test_forget(self):
        self.tb.mark_as_done(self.tid, {'foo': 'bar'})
        x = AsyncResult(self.tid, backend=self.tb)
        x.forget()
        self.assertIsNone(x.result)

    def test_process_cleanup(self):
        self.tb.process_cleanup()

    def test_expires_as_int(self):
        tb = CacheBackend(backend='memory://', expires=10)
        self.assertEqual(tb.expires, 10)

    def test_unknown_backend_raises_ImproperlyConfigured(self):
        with self.assertRaises(ImproperlyConfigured):
            CacheBackend(backend='unknown://')
Example #6
0
class test_CacheBackend:
    def setup(self):
        self.app.conf.result_serializer = 'pickle'
        self.tb = CacheBackend(backend='memory://', app=self.app)
        self.tid = uuid()
        self.old_get_best_memcached = backends['memcache']
        backends['memcache'] = lambda: (DummyClient, ensure_bytes)

    def teardown(self):
        backends['memcache'] = self.old_get_best_memcached

    def test_no_backend(self):
        self.app.conf.cache_backend = None
        with pytest.raises(ImproperlyConfigured):
            CacheBackend(backend=None, app=self.app)

    def test_mark_as_done(self):
        assert self.tb.get_state(self.tid) == states.PENDING
        assert self.tb.get_result(self.tid) is None

        self.tb.mark_as_done(self.tid, 42)
        assert self.tb.get_state(self.tid) == states.SUCCESS
        assert self.tb.get_result(self.tid) == 42

    def test_is_pickled(self):
        result = {'foo': 'baz', 'bar': SomeClass(12345)}
        self.tb.mark_as_done(self.tid, result)
        # is serialized properly.
        rindb = self.tb.get_result(self.tid)
        assert rindb.get('foo') == 'baz'
        assert rindb.get('bar').data == 12345

    def test_mark_as_failure(self):
        try:
            raise KeyError('foo')
        except KeyError as exception:
            self.tb.mark_as_failure(self.tid, exception)
            assert self.tb.get_state(self.tid) == states.FAILURE
            assert isinstance(self.tb.get_result(self.tid), KeyError)

    def test_apply_chord(self):
        tb = CacheBackend(backend='memory://', app=self.app)
        result = self.app.GroupResult(
            uuid(),
            [self.app.AsyncResult(uuid()) for _ in range(3)],
        )
        tb.apply_chord(result, None)
        assert self.app.GroupResult.restore(result.id, backend=tb) == result

    @patch('celery.result.GroupResult.restore')
    def test_on_chord_part_return(self, restore):
        tb = CacheBackend(backend='memory://', app=self.app)

        deps = Mock()
        deps.__len__ = Mock()
        deps.__len__.return_value = 2
        restore.return_value = deps
        task = Mock()
        task.name = 'foobarbaz'
        self.app.tasks['foobarbaz'] = task
        task.request.chord = signature(task)

        result = self.app.GroupResult(
            uuid(),
            [self.app.AsyncResult(uuid()) for _ in range(3)],
        )
        task.request.group = result.id
        tb.apply_chord(result, None)

        deps.join_native.assert_not_called()
        tb.on_chord_part_return(task.request, 'SUCCESS', 10)
        deps.join_native.assert_not_called()

        tb.on_chord_part_return(task.request, 'SUCCESS', 10)
        deps.join_native.assert_called_with(propagate=True, timeout=3.0)
        deps.delete.assert_called_with()

    def test_mget(self):
        self.tb.set('foo', 1)
        self.tb.set('bar', 2)

        assert self.tb.mget(['foo', 'bar']) == {'foo': 1, 'bar': 2}

    def test_forget(self):
        self.tb.mark_as_done(self.tid, {'foo': 'bar'})
        x = self.app.AsyncResult(self.tid, backend=self.tb)
        x.forget()
        assert x.result is None

    def test_process_cleanup(self):
        self.tb.process_cleanup()

    def test_expires_as_int(self):
        tb = CacheBackend(backend='memory://', expires=10, app=self.app)
        assert tb.expires == 10

    def test_unknown_backend_raises_ImproperlyConfigured(self):
        with pytest.raises(ImproperlyConfigured):
            CacheBackend(backend='unknown://', app=self.app)

    def test_as_uri_no_servers(self):
        assert self.tb.as_uri() == 'memory:///'

    def test_as_uri_one_server(self):
        backend = 'memcache://127.0.0.1:11211/'
        b = CacheBackend(backend=backend, app=self.app)
        assert b.as_uri() == backend

    def test_as_uri_multiple_servers(self):
        backend = 'memcache://127.0.0.1:11211;127.0.0.2:11211;127.0.0.3/'
        b = CacheBackend(backend=backend, app=self.app)
        assert b.as_uri() == backend

    @skip.unless_module('memcached', name='python-memcached')
    def test_regression_worker_startup_info(self):
        self.app.conf.result_backend = (
            'cache+memcached://127.0.0.1:11211;127.0.0.2:11211;127.0.0.3/')
        worker = self.app.Worker()
        with mock.stdouts():
            worker.on_start()
            assert worker.startup_info()
Example #7
0
class test_CacheBackend(AppCase):
    def setup(self):
        self.tb = CacheBackend(backend="memory://", app=self.app)
        self.tid = uuid()

    def test_no_backend(self):
        prev, self.app.conf.CELERY_CACHE_BACKEND = (self.app.conf.CELERY_CACHE_BACKEND, None)
        try:
            with self.assertRaises(ImproperlyConfigured):
                CacheBackend(backend=None, app=self.app)
        finally:
            self.app.conf.CELERY_CACHE_BACKEND = prev

    def test_mark_as_done(self):
        self.assertEqual(self.tb.get_status(self.tid), states.PENDING)
        self.assertIsNone(self.tb.get_result(self.tid))

        self.tb.mark_as_done(self.tid, 42)
        self.assertEqual(self.tb.get_status(self.tid), states.SUCCESS)
        self.assertEqual(self.tb.get_result(self.tid), 42)

    def test_is_pickled(self):
        result = {"foo": "baz", "bar": SomeClass(12345)}
        self.tb.mark_as_done(self.tid, result)
        # is serialized properly.
        rindb = self.tb.get_result(self.tid)
        self.assertEqual(rindb.get("foo"), "baz")
        self.assertEqual(rindb.get("bar").data, 12345)

    def test_mark_as_failure(self):
        try:
            raise KeyError("foo")
        except KeyError as exception:
            self.tb.mark_as_failure(self.tid, exception)
            self.assertEqual(self.tb.get_status(self.tid), states.FAILURE)
            self.assertIsInstance(self.tb.get_result(self.tid), KeyError)

    def test_on_chord_apply(self):
        tb = CacheBackend(backend="memory://")
        gid, res = uuid(), [AsyncResult(uuid()) for _ in range(3)]
        tb.on_chord_apply(gid, {}, result=res)

    @patch("celery.result.GroupResult")
    def test_on_chord_part_return(self, setresult):
        tb = CacheBackend(backend="memory://")

        deps = Mock()
        deps.__len__ = Mock()
        deps.__len__.return_value = 2
        setresult.restore.return_value = deps
        task = Mock()
        task.name = "foobarbaz"
        try:
            current_app.tasks["foobarbaz"] = task
            task.request.chord = subtask(task)

            gid, res = uuid(), [AsyncResult(uuid()) for _ in range(3)]
            task.request.group = gid
            tb.on_chord_apply(gid, {}, result=res)

            self.assertFalse(deps.join_native.called)
            tb.on_chord_part_return(task)
            self.assertFalse(deps.join_native.called)

            tb.on_chord_part_return(task)
            deps.join_native.assert_called_with(propagate=True)
            deps.delete.assert_called_with()

        finally:
            current_app.tasks.pop("foobarbaz")

    def test_mget(self):
        self.tb.set("foo", 1)
        self.tb.set("bar", 2)

        self.assertDictEqual(self.tb.mget(["foo", "bar"]), {"foo": 1, "bar": 2})

    def test_forget(self):
        self.tb.mark_as_done(self.tid, {"foo": "bar"})
        x = AsyncResult(self.tid, backend=self.tb)
        x.forget()
        self.assertIsNone(x.result)

    def test_process_cleanup(self):
        self.tb.process_cleanup()

    def test_expires_as_int(self):
        tb = CacheBackend(backend="memory://", expires=10)
        self.assertEqual(tb.expires, 10)

    def test_unknown_backend_raises_ImproperlyConfigured(self):
        with self.assertRaises(ImproperlyConfigured):
            CacheBackend(backend="unknown://")
Example #8
0
class test_CacheBackend(Case):

    def setUp(self):
        self.tb = CacheBackend(backend='memory://')
        self.tid = uuid()

    def test_mark_as_done(self):
        self.assertEqual(self.tb.get_status(self.tid), states.PENDING)
        self.assertIsNone(self.tb.get_result(self.tid))

        self.tb.mark_as_done(self.tid, 42)
        self.assertEqual(self.tb.get_status(self.tid), states.SUCCESS)
        self.assertEqual(self.tb.get_result(self.tid), 42)

    def test_is_pickled(self):
        result = {'foo': 'baz', 'bar': SomeClass(12345)}
        self.tb.mark_as_done(self.tid, result)
        # is serialized properly.
        rindb = self.tb.get_result(self.tid)
        self.assertEqual(rindb.get('foo'), 'baz')
        self.assertEqual(rindb.get('bar').data, 12345)

    def test_mark_as_failure(self):
        try:
            raise KeyError('foo')
        except KeyError as exception:
            self.tb.mark_as_failure(self.tid, exception)
            self.assertEqual(self.tb.get_status(self.tid), states.FAILURE)
            self.assertIsInstance(self.tb.get_result(self.tid), KeyError)

    def test_on_chord_apply(self):
        tb = CacheBackend(backend='memory://')
        gid, res = uuid(), [AsyncResult(uuid()) for _ in range(3)]
        tb.on_chord_apply(gid, {}, result=res)

    @patch('celery.result.GroupResult')
    def test_on_chord_part_return(self, setresult):
        tb = CacheBackend(backend='memory://')

        deps = Mock()
        deps.__len__ = Mock()
        deps.__len__.return_value = 2
        setresult.restore.return_value = deps
        task = Mock()
        task.name = 'foobarbaz'
        try:
            current_app.tasks['foobarbaz'] = task
            task.request.chord = subtask(task)

            gid, res = uuid(), [AsyncResult(uuid()) for _ in range(3)]
            task.request.group = gid
            tb.on_chord_apply(gid, {}, result=res)

            self.assertFalse(deps.join_native.called)
            tb.on_chord_part_return(task)
            self.assertFalse(deps.join_native.called)

            tb.on_chord_part_return(task)
            deps.join_native.assert_called_with(propagate=True)
            deps.delete.assert_called_with()

        finally:
            current_app.tasks.pop('foobarbaz')

    def test_mget(self):
        self.tb.set('foo', 1)
        self.tb.set('bar', 2)

        self.assertDictEqual(self.tb.mget(['foo', 'bar']),
                             {'foo': 1, 'bar': 2})

    def test_forget(self):
        self.tb.mark_as_done(self.tid, {'foo': 'bar'})
        x = AsyncResult(self.tid, backend=self.tb)
        x.forget()
        self.assertIsNone(x.result)

    def test_process_cleanup(self):
        self.tb.process_cleanup()

    def test_expires_as_int(self):
        tb = CacheBackend(backend='memory://', expires=10)
        self.assertEqual(tb.expires, 10)

    def test_unknown_backend_raises_ImproperlyConfigured(self):
        with self.assertRaises(ImproperlyConfigured):
            CacheBackend(backend='unknown://')
Example #9
0
class test_CacheBackend(AppCase):
    def setup(self):
        self.app.conf.CELERY_RESULT_SERIALIZER = 'pickle'
        self.tb = CacheBackend(backend='memory://', app=self.app)
        self.tid = uuid()

    def test_no_backend(self):
        self.app.conf.CELERY_CACHE_BACKEND = None
        with self.assertRaises(ImproperlyConfigured):
            CacheBackend(backend=None, app=self.app)

    def test_mark_as_done(self):
        self.assertEqual(self.tb.get_status(self.tid), states.PENDING)
        self.assertIsNone(self.tb.get_result(self.tid))

        self.tb.mark_as_done(self.tid, 42)
        self.assertEqual(self.tb.get_status(self.tid), states.SUCCESS)
        self.assertEqual(self.tb.get_result(self.tid), 42)

    def test_is_pickled(self):
        result = {'foo': 'baz', 'bar': SomeClass(12345)}
        self.tb.mark_as_done(self.tid, result)
        # is serialized properly.
        rindb = self.tb.get_result(self.tid)
        self.assertEqual(rindb.get('foo'), 'baz')
        self.assertEqual(rindb.get('bar').data, 12345)

    def test_mark_as_failure(self):
        try:
            raise KeyError('foo')
        except KeyError as exception:
            self.tb.mark_as_failure(self.tid, exception)
            self.assertEqual(self.tb.get_status(self.tid), states.FAILURE)
            self.assertIsInstance(self.tb.get_result(self.tid), KeyError)

    def test_apply_chord(self):
        tb = CacheBackend(backend='memory://', app=self.app)
        gid, res = uuid(), [self.app.AsyncResult(uuid()) for _ in range(3)]
        tb.apply_chord(group(app=self.app), (), gid, {}, result=res)

    @patch('celery.result.GroupResult.restore')
    def test_on_chord_part_return(self, restore):
        tb = CacheBackend(backend='memory://', app=self.app)

        deps = Mock()
        deps.__len__ = Mock()
        deps.__len__.return_value = 2
        restore.return_value = deps
        task = Mock()
        task.name = 'foobarbaz'
        self.app.tasks['foobarbaz'] = task
        task.request.chord = signature(task)

        gid, res = uuid(), [self.app.AsyncResult(uuid()) for _ in range(3)]
        task.request.group = gid
        tb.apply_chord(group(app=self.app), (), gid, {}, result=res)

        self.assertFalse(deps.join_native.called)
        tb.on_chord_part_return(task, 'SUCCESS', 10)
        self.assertFalse(deps.join_native.called)

        tb.on_chord_part_return(task, 'SUCCESS', 10)
        deps.join_native.assert_called_with(propagate=True, timeout=3.0)
        deps.delete.assert_called_with()

    def test_mget(self):
        self.tb.set('foo', 1)
        self.tb.set('bar', 2)

        self.assertDictEqual(self.tb.mget(['foo', 'bar']), {
            'foo': 1,
            'bar': 2
        })

    def test_forget(self):
        self.tb.mark_as_done(self.tid, {'foo': 'bar'})
        x = self.app.AsyncResult(self.tid, backend=self.tb)
        x.forget()
        self.assertIsNone(x.result)

    def test_process_cleanup(self):
        self.tb.process_cleanup()

    def test_expires_as_int(self):
        tb = CacheBackend(backend='memory://', expires=10, app=self.app)
        self.assertEqual(tb.expires, 10)

    def test_unknown_backend_raises_ImproperlyConfigured(self):
        with self.assertRaises(ImproperlyConfigured):
            CacheBackend(backend='unknown://', app=self.app)