def test_delete_errbacks_when_any_errback(self):
cache = MultiCache([
pretend.stub(delete=lambda key: fail(ValueError()))
])
d = cache.delete("foo")
exc = self.failureResultOf(d)
self.assertIsInstance(exc.value.subFailure.value, ValueError)
def makeService(options):
from twisted.internet import task as cooperator
from twisted.internet import reactor
from twisted.python import log
with open(options['config']) as f:
data = f.read()
config = yaml.safe_load(data)
key_maker = FormattingKeyMaker(data["on_update"])
cache_backend = MultiCache([
MemcachedCache(TCP4ClientEndpoint(reactor, cache, DEFAULT_PORT))
for cache in config['caches']
])
driver = Driver(key_maker, cache_backend, log)
connection = BinLogStreamReader(connection_settings=config['database'])
listener = MySQLDatabaseListener(reactor, connection, driver, log)
return DatabaseListenerService(cooperator, listener, log)
def test_delete_returns_false_when_all_return_false(self):
c1 = InMemoryCache({})
c2 = InMemoryCache({})
cache = MultiCache([c1, c2])
d = cache.delete("foo")
self.assertFalse(self.successResultOf(d))
def test_delete_returns_true_when_any_return_true(self):
c1 = InMemoryCache({})
c2 = InMemoryCache({"foo": "bar"})
cache = MultiCache([c1, c2])
d = cache.delete("foo")
self.assertTrue(self.successResultOf(d))
def test_delete_errbacks_when_any_errback(self):
cache = MultiCache(
[pretend.stub(delete=lambda key: fail(ValueError()))])
d = cache.delete("foo")
exc = self.failureResultOf(d)
self.assertIsInstance(exc.value.subFailure.value, ValueError)
def test_delete_returns_false_when_all_return_false(self):
c1 = InMemoryCache({})
c2 = InMemoryCache({})
cache = MultiCache([c1, c2])
d = cache.delete("foo")
self.assertFalse(self.successResultOf(d))
def test_delete_returns_true_when_any_return_true(self):
c1 = InMemoryCache({})
c2 = InMemoryCache({"foo": "bar"})
cache = MultiCache([c1, c2])
d = cache.delete("foo")
self.assertTrue(self.successResultOf(d))
