def setUp(self):
test_directory = os.path.dirname(os.path.realpath(__file__))
settings = {
'CONF_DIR': os.path.join(test_directory, 'data', 'conf-directory'),
'USE_INSECURE_PICKLER': False
}
self._settings_patch = patch.dict('carbon.conf.settings', settings)
self._settings_patch.start()
from carbon.protocols import CacheManagementHandler
self.handler = CacheManagementHandler()
self.cache = _MetricCache()
def _get_cache():
return self.cache
self._metriccache_patch = patch('carbon.protocols.MetricCache', _get_cache)
self._metriccache_patch.start()
self.handler.unpickler = pickle
self.handler.peerAddr = 'localhost:7002'
self.send_string_mock = Mock(side_effect=self._save_response)
self._send_string_patch = patch.object(self.handler, 'sendString', self.send_string_mock)
self._send_string_patch.start()
def test_store_checks_fullness(self):
is_full_mock = PropertyMock()
with patch.object(_MetricCache, 'is_full', is_full_mock):
with patch('carbon.cache.events'):
metric_cache = _MetricCache()
metric_cache.store('foo', (123456, 1.0))
self.assertEqual(1, is_full_mock.call_count)
def setUp(self):
test_directory = os.path.dirname(os.path.realpath(__file__))
settings = {
'CONF_DIR': os.path.join(test_directory, 'data', 'conf-directory'),
'USE_INSECURE_PICKLER': False
}
self._settings_patch = patch.dict('carbon.conf.settings', settings)
self._settings_patch.start()
from carbon.protocols import CacheManagementHandler
self.handler = CacheManagementHandler()
self.cache = _MetricCache()
def _get_cache():
return self.cache
self._metriccache_patch = patch('carbon.protocols.MetricCache',
_get_cache)
self._metriccache_patch.start()
self.handler.unpickler = pickle
self.handler.peerAddr = 'localhost:7002'
self.send_string_mock = Mock(side_effect=self._save_response)
self._send_string_patch = patch.object(self.handler, 'sendString',
self.send_string_mock)
self._send_string_patch.start()
def test_store_checks_fullness(self):
is_full_mock = PropertyMock()
with patch.object(_MetricCache, 'is_full', is_full_mock):
with patch('carbon.cache.events'):
metric_cache = _MetricCache()
metric_cache.store('foo', (123456, 1.0))
self.assertEqual(1, is_full_mock.call_count)
def setUp(self):
settings = {
'MAX_CACHE_SIZE': float('inf'),
'CACHE_SIZE_LOW_WATERMARK': float('inf')
}
self._settings_patch = patch.dict('carbon.conf.settings', settings)
self._settings_patch.start()
self.strategy_mock = Mock(spec=DrainStrategy)
self.metric_cache = _MetricCache(self.strategy_mock)
def setUp(self):
settings = {
'MAX_CACHE_SIZE': float('inf'),
'CACHE_SIZE_LOW_WATERMARK': float('inf')
}
self._settings_patch = patch.dict('carbon.conf.settings', settings)
self._settings_patch.start()
self.strategy_mock = Mock(spec=DrainStrategy)
self.metric_cache = _MetricCache(self.strategy_mock)
def test_write_strategy_naive(self):
"""Create a metric cache, insert metrics, ensure naive writes"""
config = self.makeFile(content="[foo]\nCACHE_WRITE_STRATEGY = naive")
settings = read_config("carbon-foo",
FakeOptions(config=config, instance=None,
pidfile=None, logdir=None),
ROOT_DIR="foo")
cache = _MetricCache(method=settings.CACHE_WRITE_STRATEGY)
self.assertEqual("naive", cache.method)
def test_write_strategy_max(self):
"""Create a metric cache, insert metrics, ensure naive writes"""
config = self.makeFile(content="[foo]\nCACHE_WRITE_STRATEGY = max")
settings = read_config("carbon-foo",
FakeOptions(config=config, instance=None,
pidfile=None, logdir=None),
ROOT_DIR="foo")
cache = _MetricCache(method=settings.CACHE_WRITE_STRATEGY)
self.assertEqual("max", cache.method)
now = time.time()
datapoint1 = (now - 10, float(1))
datapoint2 = (now, float(2))
cache.store("d.e.f", datapoint1)
cache.store("a.b.c", datapoint1)
cache.store("a.b.c", datapoint2)
(m, d) = cache.pop()
self.assertEqual(("a.b.c", deque([datapoint1, datapoint2])), (m, d))
(m, d) = cache.pop()
self.assertEqual(("d.e.f", deque([datapoint1])), (m, d))
self.assertEqual(0, cache.size)
def setUp(self):
self.metric_cache = _MetricCache()
def test_drain_metric_works_without_strategy(self):
metric_cache = _MetricCache() # No strategy
metric_cache.store('foo', (123456, 1.0))
self.assertEqual('foo', metric_cache.drain_metric()[0])
import timeit
from carbon.cache import _MetricCache, DrainStrategy, \
NaiveStrategy, MaxStrategy, RandomStrategy, SortedStrategy, TimeSortedStrategy
metric_cache = _MetricCache(DrainStrategy)
count = 0
strategies = {
'naive': NaiveStrategy,
'max': MaxStrategy,
'random': RandomStrategy,
'sorted': SortedStrategy,
'timesorted': TimeSortedStrategy,
}
def command_store_foo():
global count
count = count + 1
return metric_cache.store('foo', (count, 1.0))
def command_store_foo_n():
global count
count = count + 1
return metric_cache.store("foo.%d" % count, (count, 1.0))
def command_drain():
while metric_cache:
metric_cache.drain_metric()
def setUp(self): self.metric_cache = _MetricCache()
def test_drain_metric_works_without_strategy(self):
metric_cache = _MetricCache() # No strategy
metric_cache.store('foo', (123456, 1.0))
self.assertEqual('foo', metric_cache.drain_metric()[0])
import timeit
from carbon.cache import _MetricCache, DrainStrategy, \
NaiveStrategy, MaxStrategy, RandomStrategy, SortedStrategy, TimeSortedStrategy
metric_cache = _MetricCache(DrainStrategy)
count = 0
strategies = {
'naive': NaiveStrategy,
'max': MaxStrategy,
'random': RandomStrategy,
'sorted': SortedStrategy,
'timesorted': TimeSortedStrategy,
}
def command_store_foo():
global count
count = count + 1
return metric_cache.store('foo', (count, 1.0))
def command_store_foo_n():
global count
count = count + 1
return metric_cache.store("foo.%d" % count, (count, 1.0))
def command_drain():
while metric_cache:
metric_cache.drain_metric()
return metric_cache.size
def setUp(self):
settings = {"MAX_CACHE_SIZE": float("inf"), "CACHE_SIZE_LOW_WATERMARK": float("inf")}
self._settings_patch = patch.dict("carbon.conf.settings", settings)
self._settings_patch.start()
self.strategy_mock = Mock(spec=DrainStrategy)
self.metric_cache = _MetricCache(self.strategy_mock)
import timeit
from carbon.cache import _MetricCache, DrainStrategy, \
NaiveStrategy, MaxStrategy, RandomStrategy, SortedStrategy, \
TimeSortedStrategy, BucketMaxStrategy
metric_cache = _MetricCache(DrainStrategy)
count = 0
strategies = {
'naive': NaiveStrategy,
'max': MaxStrategy,
'random': RandomStrategy,
'sorted': SortedStrategy,
'timesorted': TimeSortedStrategy,
'bucketmax': BucketMaxStrategy,
}
def command_store_foo():
global count
count = count + 1
return metric_cache.store('foo', (count, 1.0))
def command_store_foo_n():
global count
count = count + 1
return metric_cache.store("foo.%d" % count, (count, 1.0))
def command_drain():
