def test_translator(self):
header = self.header
# Specify a translation class
with self.assertWarns(UserWarning):
# Since the translator is incomplete it should issue warnings
v1 = ObservationInfo(header, translator_class=InstrumentTestTranslator)
self.assertEqual(v1.instrument, "SCUBA_test")
self.assertEqual(v1.telescope, "LSST")
# Now automated class
with self.assertWarns(UserWarning):
# Since the translator is incomplete it should issue warnings
v1 = ObservationInfo(header)
self.assertEqual(v1.instrument, "SCUBA_test")
self.assertEqual(v1.telescope, "LSST")
location = v1.location.to_geodetic()
self.assertAlmostEqual(location.height.to("m").to_value(), 4123.0, places=1)
# Check that headers have been removed
new_hdr = v1.stripped_header()
self.assertNotIn("INSTRUME", new_hdr)
self.assertNotIn("OBSGEO-X", new_hdr)
self.assertIn("TELESCOP", new_hdr)
# Check the list of cards that were used
used = v1.cards_used
self.assertIn("INSTRUME", used)
self.assertIn("OBSGEO-Y", used)
self.assertNotIn("TELESCOP", used)
def test_megaprime_stripping(self):
header = read_test_file("fitsheader-megaprime.yaml", dir=self.datadir)
v1 = ObservationInfo(header)
# Check that headers have been removed
new_hdr = v1.stripped_header()
self.assertNotIn("INSTRUME", new_hdr)
self.assertNotIn("TELESCOP", new_hdr)
self.assertIn("CCD", new_hdr)
def test_translator(self):
header = self.header
# Specify a translation class
with self.assertWarns(UserWarning):
# Since the translator is incomplete it should issue warnings
v1 = ObservationInfo(header,
translator_class=InstrumentTestTranslator)
self.assertEqual(v1.instrument, "SCUBA_test")
self.assertEqual(v1.telescope, "LSST")
self.assertEqual(v1.exposure_id, 22)
self.assertIsInstance(v1.exposure_id, int)
self.assertEqual(v1.detector_name, "76")
self.assertEqual(v1.relative_humidity, 55.0)
self.assertIsInstance(v1.relative_humidity, float)
self.assertEqual(v1.physical_filter, "76_55")
# Now automated class
with self.assertWarns(UserWarning):
# Since the translator is incomplete it should issue warnings
v1 = ObservationInfo(header)
self.assertEqual(v1.instrument, "SCUBA_test")
self.assertEqual(v1.telescope, "LSST")
location = v1.location.to_geodetic()
self.assertAlmostEqual(location.height.to("m").to_value(),
4123.0,
places=1)
# Check that headers have been removed
new_hdr = v1.stripped_header()
self.assertNotIn("INSTRUME", new_hdr)
self.assertNotIn("OBSGEO-X", new_hdr)
self.assertIn("TELESCOP", new_hdr)
# Check the list of cards that were used
used = v1.cards_used
self.assertIn("INSTRUME", used)
self.assertIn("OBSGEO-Y", used)
self.assertNotIn("TELESCOP", used)
# Stringification
summary = str(v1)
self.assertIn("datetime_begin", summary)
# Create with a subset of properties
v2 = ObservationInfo(
header,
translator_class=InstrumentTestTranslator,
subset={"telescope", "datetime_begin", "exposure_group"})
self.assertEqual(v2.telescope, v1.telescope)
self.assertEqual(v2.datetime_begin, v2.datetime_begin)
self.assertIsNone(v2.datetime_end)
self.assertIsNone(v2.location)
self.assertIsNone(v2.observation_id)
