def test_get_to_point_value_gcd(self):
get_10 = lambda: 10 # noqa
point = gauge.DerivedGaugePoint(get_10, gauge.GaugePointLong())
del get_10
gc.collect()
deleted_long_value = point.to_point_value()
self.assertIsNone(deleted_long_value)
def test_get_value_gcd(self):
"""Check handling deletion of the underlying func."""
get_10 = lambda: 10 # noqa
point = gauge.DerivedGaugePoint(get_10, gauge.GaugePointLong())
value = point.get_value()
self.assertEqual(value, 10)
self.assertEqual(point.gauge_point.value, 10)
del get_10
gc.collect()
deleted_value = point.get_value()
self.assertIsNone(deleted_value)
# Check that we don't null out the underlying point value
self.assertEqual(point.gauge_point.value, 10)
def test_get_value(self):
mock_fn = Mock()
mock_value = Mock(spec=int)
mock_fn.return_value = mock_value
point = gauge.DerivedGaugePoint(mock_fn, gauge.GaugePointLong())
mock_fn.assert_not_called()
value = point.get_value()
self.assertEqual(value, mock_value)
self.assertEqual(point.gauge_point.value, mock_value)
mock_fn.assert_called_once()
value = point.get_value()
self.assertEqual(value, mock_value)
self.assertEqual(point.gauge_point.value, mock_value)
self.assertEqual(mock_fn.call_count, 2)