def test_raise_on_float(self):
derived_cumulative = cumulative.DerivedLongCumulative(
Mock(), Mock(), Mock(), [])
mock_fn = Mock()
mock_fn.return_value = 1.125
point = derived_cumulative.create_default_time_series(mock_fn)
with self.assertRaises(ValueError):
point.get_value()
def test_point_value_increases(self):
derived_cumulative = cumulative.DerivedLongCumulative(
Mock(), Mock(), Mock(), [])
mock_fn = Mock()
point = derived_cumulative.create_default_time_series(mock_fn)
mock_fn.return_value = -10
self.assertEqual(point.get_value(), 0)
mock_fn.return_value = 10
self.assertEqual(point.get_value(), 10)
mock_fn.return_value = 9
self.assertEqual(point.get_value(), 10)
def test_get_metric(self):
derived_cumulative = cumulative.DerivedLongCumulative(
Mock(), Mock(), Mock(), [])
mock_fn = Mock()
mock_fn.return_value = 123
derived_cumulative.create_default_time_series(mock_fn)
now1 = Mock()
[ts] = derived_cumulative.get_metric(now1).time_series
[ts_point] = ts.points
self.assertEqual(ts_point.timestamp, now1)
self.assertEqual(ts_point.value.value, 123)
self.assertIsInstance(ts_point.value, value_module.ValueLong)
def test_ts_point_type(self):
derived_cumulative = cumulative.DerivedLongCumulative(
Mock(), Mock(), Mock(), [Mock(), Mock])
mock_fn = Mock()
default_point = derived_cumulative.create_default_time_series(mock_fn)
self.assertIsInstance(default_point, gauge.DerivedGaugePoint)
self.assertIsInstance(default_point.gauge_point,
cumulative.CumulativePointLong)
mock_fn.assert_not_called()
point = derived_cumulative.create_time_series(
[Mock(), Mock()], mock_fn)
self.assertIsInstance(point, gauge.DerivedGaugePoint)
self.assertIsInstance(point.gauge_point,
cumulative.CumulativePointLong)
mock_fn.assert_not_called()