def __init__(self, collectd):
self._meters = {}
self._default = Meter(collectd=collectd)
# fill dict with specialized meters classes
self._meters = {key: meter_class(collectd=collectd)
for key, meter_class in six.iteritems(self._classes)}
def test_sample_type_counter(self, collectd):
# sample_type uses get_dataset()[0][1]
collectd.get_dataset.return_value = [('value', 'counter', )]
meter = Meter(collectd)
actual = meter.sample_type(Values())
collectd.get_dataset.assert_called_once()
self.assertEqual("cumulative", actual)
def test_sample_type_invalid(self, collectd, LOGGER):
collectd.get_dataset.side_effect = Exception("Boom!")
meter = Meter(collectd)
actual = meter.sample_type(Values())
collectd.get_dataset.assert_called_once()
LOGGER.warning.assert_called_once()
self.assertEqual("gauge", actual)
def test_sample_type_derive(self, collectd):
# sample_type uses get_dataset()[0][1]
collectd.get_dataset.return_value = [('value', 'derive', )]
meter = Meter(collectd)
actual = meter.sample_type(Values())
collectd.get_dataset.assert_called_once()
self.assertEqual("delta", actual)
def setUp(self, collectd):
super(MetersTest, self).setUp()
self._collectd = collectd
# need this as a parameter for sample_type()
self.vl = Values()
self.meter = Meter(self._collectd)
