def test_storage_and_retrieval_of_measurement(self):
arbitrary_default_unit='lb'
arbitrary_value=124
arbitrary_measure=measure.Weight
arbitrary_measurement=utils.get_measurement(
arbitrary_measure,
arbitrary_value,
arbitrary_default_unit,
)
instance = MeasurementTestModel.objects.create(
measurement=arbitrary_measurement
)
instance.save()
retrieved = MeasurementTestModel.objects.all()[0]
self.assertEqual(
retrieved.measurement._default_unit,
arbitrary_default_unit,
)
self.assertEqual(
retrieved.measurement.__class__,
arbitrary_measure,
)
self.assertAlmostEqual(
retrieved.measurement.lb,
arbitrary_value,
)
def test_get_measurement(self):
expected_measurement = measure.Volume(us_qt=34)
actual_measurement = utils.get_measurement(
measure.Volume,
34,
'us_qt',
)
self.assertEqual(
expected_measurement,
actual_measurement,
)
