def test_get_backend_cache(self):
backends.get_backend_cls.clear()
hits = backends.get_backend_cls.hits
misses = backends.get_backend_cls.misses
self.assertTrue(backends.get_backend_cls("amqp"))
self.assertEqual(backends.get_backend_cls.misses, misses + 1)
self.assertTrue(backends.get_backend_cls("amqp"))
self.assertEqual(backends.get_backend_cls.hits, hits + 1)
def test_get_backend_aliases(self):
self.assertTrue(issubclass(
backends.get_backend_cls("amqp"), AMQPBackend))
self.assertTrue(issubclass(
backends.get_backend_cls("database"), DatabaseBackend))
self.assertTrue(issubclass(
backends.get_backend_cls("db"), DatabaseBackend))
self.assertTrue(issubclass(
backends.get_backend_cls("redis"), RedisBackend))
def test_get_backend_aliases(self):
expects = [('amqp', AMQPBackend),
('cache', CacheBackend)]
for expect_name, expect_cls in expects:
self.assertIsInstance(
backends.get_backend_cls(expect_name)(app=self.app),
expect_cls,
)
def test_get_backend_aliases(self):
expects = [("amqp", AMQPBackend),
("database", DatabaseBackend),
("db", DatabaseBackend),
("redis", RedisBackend)]
for expect_name, expect_cls in expects:
self.assertIsInstance(backends.get_backend_cls(expect_name)(),
expect_cls)
def _get_backend(self):
from celery.backends import get_backend_cls
backend_cls = self.backend_cls or self.conf.CELERY_RESULT_BACKEND
backend_cls = get_backend_cls(backend_cls, loader=self.loader)
return backend_cls(app=self)
def test_sym_raises_ValuError(self):
with patch("celery.backends.symbol_by_name") as sbn:
sbn.side_effect = ValueError()
with self.assertRaises(ValueError):
backends.get_backend_cls("xxx.xxx:foo")
def test_unknown_backend(self):
with self.assertRaises(ImportError):
backends.get_backend_cls("fasodaopjeqijwqe")
def test_get_backend_aliases(self):
expects = [("amqp", AMQPBackend),
("cache", CacheBackend)]
for expect_name, expect_cls in expects:
self.assertIsInstance(backends.get_backend_cls(expect_name)(),
expect_cls)
def _get_backend(self):
from celery.backends import get_backend_cls
backend_cls = self.backend_cls or self.conf.CELERY_RESULT_BACKEND
backend_cls = get_backend_cls(backend_cls, loader=self.loader)
return backend_cls(app=self)
def test_sym_raises_ValuError(self, app):
with patch("celery.backends.symbol_by_name") as sbn:
sbn.side_effect = ValueError()
with pytest.raises(ImproperlyConfigured):
backends.get_backend_cls("xxx.xxx:foo", app.loader)
def test_unknown_backend(self, app):
with pytest.raises(ImportError):
backends.get_backend_cls('fasodaopjeqijwqe', app.loader)
def test_sym_raises_ValuError(self):
with patch('celery.backends.symbol_by_name') as sbn:
sbn.side_effect = ValueError()
with self.assertRaises(ImproperlyConfigured):
backends.get_backend_cls('xxx.xxx:foo', self.app.loader)
def test_get_backend_cache(self):
backends._backend_cache = {}
backends.get_backend_cls("amqp")
self.assertIn("amqp", backends._backend_cache)
amqp_backend = backends.get_backend_cls("amqp")
self.assertIs(amqp_backend, backends._backend_cache["amqp"])
def test_sym_raises_ValuError(self):
with patch('celery.backends.symbol_by_name') as sbn:
sbn.side_effect = ValueError()
with self.assertRaises(ValueError):
backends.get_backend_cls('xxx.xxx:foo', self.app.loader)
def test_get_backend_cahe(self):
backends._backend_cache = {}
backends.get_backend_cls("amqp")
self.assertTrue("amqp" in backends._backend_cache)
amqp_backend = backends.get_backend_cls("amqp")
self.assertTrue(amqp_backend is backends._backend_cache["amqp"])
def test_sym_raises_ValuError(self, app):
with patch('celery.backends.symbol_by_name') as sbn:
sbn.side_effect = ValueError()
with pytest.raises(ImproperlyConfigured):
backends.get_backend_cls('xxx.xxx:foo', app.loader)
def test_get_backend_cahe(self):
backends._backend_cache = {}
backends.get_backend_cls("amqp")
self.assertIn("amqp", backends._backend_cache)
amqp_backend = backends.get_backend_cls("amqp")
self.assertIs(amqp_backend, backends._backend_cache["amqp"])
def test_unknown_backend(self, app):
with pytest.raises(ImportError):
backends.get_backend_cls("fasodaopjeqijwqe", app.loader)
