def test_compute_value_marks_buffer_inactive(self):
interval_buffer = IntervalBuffer(600)
interval_buffer.input((600, 1.0))
self.metric_buffer.interval_buffers[600] = interval_buffer
with patch.object(interval_buffer, 'mark_inactive') as mark_inactive_mock:
self.metric_buffer.compute_value()
mark_inactive_mock.assert_called_once_with()
def test_compute_value_skips_inactive_buffers(self, metric_generated_mock):
interval_buffer = IntervalBuffer(600)
interval_buffer.input((600, 1.0))
interval_buffer.mark_inactive()
self.metric_buffer.interval_buffers[600] = interval_buffer
self.metric_buffer.compute_value()
self.assertFalse(metric_generated_mock.called)
def test_compute_value_marks_buffer_inactive(self):
interval_buffer = IntervalBuffer(600)
interval_buffer.input((600, 1.0))
self.metric_buffer.interval_buffers[600] = interval_buffer
with patch.object(IntervalBuffer, 'mark_inactive') as mark_inactive_mock:
self.metric_buffer.compute_value()
mark_inactive_mock.assert_called_once_with()
def test_compute_value_computes_aggregate(self):
interval_buffer = IntervalBuffer(600)
interval_buffer.input((600, 1.0))
interval_buffer.input((601, 2.0))
interval_buffer.input((602, 3.0))
self.metric_buffer.interval_buffers[600] = interval_buffer
with patch.object(self.metric_buffer, 'aggregation_func') as aggregation_func_mock:
self.metric_buffer.compute_value()
aggregation_func_mock.assert_called_once_with([1.0, 2.0, 3.0])
def test_compute_value_unregisters_metric_if_last_buffer_deleted(self):
from carbon.conf import settings
current_interval = 600 + 60 * settings['MAX_AGGREGATION_INTERVALS']
interval_buffer = IntervalBuffer(600)
interval_buffer.input((600, 1.0))
interval_buffer.mark_inactive()
self.metric_buffer.interval_buffers[600] = interval_buffer
BufferManager.buffers['carbon.foo.bar'] = self.metric_buffer
with patch("time.time", new=Mock(return_value=current_interval + 60)):
self.metric_buffer.compute_value()
self.assertFalse('carbon.foo.bar' in BufferManager.buffers)
def test_compute_value_closes_metric_if_last_buffer_deleted(self):
from carbon.conf import settings
current_interval = 600 + 60 * settings['MAX_AGGREGATION_INTERVALS']
interval_buffer = IntervalBuffer(600)
interval_buffer.input((600, 1.0))
interval_buffer.mark_inactive()
self.metric_buffer.interval_buffers[600] = interval_buffer
BufferManager.buffers['carbon.foo.bar'] = self.metric_buffer
with patch("time.time", new=Mock(return_value=current_interval + 60)):
with patch.object(self.metric_buffer, 'close') as close_mock:
self.metric_buffer.compute_value()
close_mock.assert_called_once_with()
def test_compute_value_doesnt_flush_unchanged_interval_many_times(self, metric_generated_mock):
interval_buffer = IntervalBuffer(600)
interval_buffer.input((600, 1.0))
self.metric_buffer.interval_buffers[600] = interval_buffer
with patch("time.time") as time_mock:
time_mock.return_value = 600
self.metric_buffer.compute_value()
calls = [call("carbon.foo.bar", (600, 1.0))]
# say WRITE_BACK_FREQUENCY is 30, we flush again but no point came in
time_mock.return_value = 630
self.metric_buffer.compute_value()
metric_generated_mock.assert_has_calls(calls)
def test_compute_value_doesnt_flush_unchanged_interval_many_times(self, metric_generated_mock):
interval_buffer = IntervalBuffer(600)
interval_buffer.input((600, 1.0))
self.metric_buffer.interval_buffers[600] = interval_buffer
with patch("time.time") as time_mock:
time_mock.return_value = 600
self.metric_buffer.compute_value()
calls = [call("carbon.foo.bar", (600, 1.0))]
# say WRITE_BACK_FREQUENCY is 30, we flush again but no point came in
time_mock.return_value = 630
self.metric_buffer.compute_value()
metric_generated_mock.assert_has_calls(calls)
def test_compute_value_deletes_expired_buffers(self):
from carbon.conf import settings
current_interval = 600 + 60 * settings['MAX_AGGREGATION_INTERVALS']
interval_buffer = IntervalBuffer(600)
interval_buffer.input((600, 1.0))
interval_buffer.mark_inactive()
self.metric_buffer.interval_buffers[600] = interval_buffer
# 2nd interval for current time
interval_buffer = IntervalBuffer(current_interval)
interval_buffer.input((current_interval, 1.0))
interval_buffer.mark_inactive()
self.metric_buffer.interval_buffers[current_interval] = interval_buffer
with patch("time.time", new=Mock(return_value=current_interval + 60)):
self.metric_buffer.compute_value()
self.assertFalse(600 in self.metric_buffer.interval_buffers)
def test_compute_value_skips_inactive_buffers(self, metric_generated_mock):
interval_buffer = IntervalBuffer(600)
interval_buffer.input((600, 1.0))
interval_buffer.mark_inactive()
self.metric_buffer.interval_buffers[600] = interval_buffer
self.metric_buffer.compute_value()
self.assertFalse(metric_generated_mock.called)
def test_compute_value_computes_aggregate(self):
interval_buffer = IntervalBuffer(600)
interval_buffer.input((600, 1.0))
interval_buffer.input((601, 2.0))
interval_buffer.input((602, 3.0))
self.metric_buffer.interval_buffers[600] = interval_buffer
with patch.object(self.metric_buffer, 'aggregation_func') as aggregation_func_mock:
self.metric_buffer.compute_value()
aggregation_func_mock.assert_called_once_with([1.0, 2.0, 3.0])
def test_compute_value_can_flush_interval_multiple_times(self, metric_generated_mock):
interval_buffer = IntervalBuffer(600)
interval_buffer.input((600, 1.0))
interval_buffer.input((601, 2.0))
interval_buffer.input((602, 3.0))
self.metric_buffer.interval_buffers[600] = interval_buffer
with patch("time.time") as time_mock:
time_mock.return_value = 600
self.metric_buffer.compute_value()
calls = [call("carbon.foo.bar", (600, 6.0))]
# say WRITE_BACK_FREQUENCY is 30, we flush again if another point came in
time_mock.return_value = 630
interval_buffer.input((604, 4.0))
self.metric_buffer.compute_value()
calls.append(call("carbon.foo.bar", (600, 10.0)))
metric_generated_mock.assert_has_calls(calls)
def test_compute_value_unregisters_metric_if_last_buffer_deleted(self):
from carbon.conf import settings
current_interval = 600 + 60 * settings['MAX_AGGREGATION_INTERVALS']
interval_buffer = IntervalBuffer(600)
interval_buffer.input((600, 1.0))
interval_buffer.mark_inactive()
self.metric_buffer.interval_buffers[600] = interval_buffer
BufferManager.buffers['carbon.foo.bar'] = self.metric_buffer
with patch("time.time", new=Mock(return_value=current_interval + 60)):
self.metric_buffer.compute_value()
self.assertFalse('carbon.foo.bar' in BufferManager.buffers)
def test_compute_value_closes_metric_if_last_buffer_deleted(self):
from carbon.conf import settings
current_interval = 600 + 60 * settings['MAX_AGGREGATION_INTERVALS']
interval_buffer = IntervalBuffer(600)
interval_buffer.input((600, 1.0))
interval_buffer.mark_inactive()
self.metric_buffer.interval_buffers[600] = interval_buffer
BufferManager.buffers['carbon.foo.bar'] = self.metric_buffer
with patch("time.time", new=Mock(return_value=current_interval + 60)):
with patch.object(self.metric_buffer, 'close') as close_mock:
self.metric_buffer.compute_value()
close_mock.assert_called_once_with()
def test_compute_value_can_flush_interval_multiple_times(self, metric_generated_mock):
interval_buffer = IntervalBuffer(600)
interval_buffer.input((600, 1.0))
interval_buffer.input((601, 2.0))
interval_buffer.input((602, 3.0))
self.metric_buffer.interval_buffers[600] = interval_buffer
with patch("time.time") as time_mock:
time_mock.return_value = 600
self.metric_buffer.compute_value()
calls = [call("carbon.foo.bar", (600, 6.0))]
# say WRITE_BACK_FREQUENCY is 30, we flush again if another point came in
time_mock.return_value = 630
interval_buffer.input((604, 4.0))
self.metric_buffer.compute_value()
calls.append(call("carbon.foo.bar", (600, 10.0)))
metric_generated_mock.assert_has_calls(calls)
def test_compute_value_deletes_expired_buffers(self):
from carbon.conf import settings
current_interval = 600 + 60 * settings['MAX_AGGREGATION_INTERVALS']
interval_buffer = IntervalBuffer(600)
interval_buffer.input((600, 1.0))
interval_buffer.mark_inactive()
self.metric_buffer.interval_buffers[600] = interval_buffer
# 2nd interval for current time
interval_buffer = IntervalBuffer(current_interval)
interval_buffer.input((current_interval, 1.0))
interval_buffer.mark_inactive()
self.metric_buffer.interval_buffers[current_interval] = interval_buffer
with patch("time.time", new=Mock(return_value=current_interval + 60)):
self.metric_buffer.compute_value()
self.assertFalse(600 in self.metric_buffer.interval_buffers)
