Coverage for tests/test_instrument.py: 94%

1# This file is part of obs_base. 

2# 

3# Developed for the LSST Data Management System. 

4# This product includes software developed by the LSST Project 

5# (https://www.lsst.org). 

6# See the COPYRIGHT file at the top-level directory of this distribution 

7# for details of code ownership. 

8# 

9# This program is free software: you can redistribute it and/or modify 

10# it under the terms of the GNU General Public License as published by 

11# the Free Software Foundation, either version 3 of the License, or 

12# (at your option) any later version. 

13# 

14# This program is distributed in the hope that it will be useful, 

15# but WITHOUT ANY WARRANTY; without even the implied warranty of 

16# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 

17# GNU General Public License for more details. 

18# 

19# You should have received a copy of the GNU General Public License 

20# along with this program. If not, see <http://www.gnu.org/licenses/>. 

21 

22"""Tests of the Instrument class.""" 

23 

24import datetime 

25import unittest 

26 

27import astropy.units as u 

28from astro_metadata_translator import ObservationInfo 

29from astropy.coordinates import SkyCoord 

30from astropy.time import Time 

31 

32from lsst.daf.butler import DimensionUniverse 

33from lsst.obs.base import Instrument, makeExposureRecordFromObsInfo 

34from lsst.obs.base.instrument_tests import DummyCam, InstrumentTestData, InstrumentTests 

35 

36 

37class InstrumentTestCase(InstrumentTests, unittest.TestCase): 

38 """Test for Instrument.""" 

39 

40 instrument = DummyCam() 

41 

42 data = InstrumentTestData( 

43 name="DummyCam", nDetectors=2, firstDetectorName="RXX_S00", physical_filters={"dummy_g", "dummy_u"} 

44 ) 

45 

46 def test_getCamera(self): 

47 """No camera defined in DummyCam.""" 

48 return 

49 

50 def test_collectionTimestamps(self): 

51 self.assertEqual( 

52 Instrument.formatCollectionTimestamp("2018-05-03"), 

53 "20180503T000000Z", 

54 ) 

55 self.assertEqual( 

56 Instrument.formatCollectionTimestamp("2018-05-03T14:32:16"), 

57 "20180503T143216Z", 

58 ) 

59 self.assertEqual( 

60 Instrument.formatCollectionTimestamp("20180503T143216Z"), 

61 "20180503T143216Z", 

62 ) 

63 self.assertEqual( 

64 Instrument.formatCollectionTimestamp(datetime.datetime(2018, 5, 3, 14, 32, 16)), 

65 "20180503T143216Z", 

66 ) 

67 formattedNow = Instrument.makeCollectionTimestamp() 

68 self.assertIsInstance(formattedNow, str) 

69 datetimeThen1 = datetime.datetime.strptime(formattedNow, "%Y%m%dT%H%M%S%z") 

70 self.assertEqual(datetimeThen1.tzinfo, datetime.UTC) 

71 

72 def test_group_name(self): 

73 """Test group name to ID conversion.""" 

74 self.assertEqual(self.instrument.group_name_to_group_id("1:234-5.6"), 123456) 

75 with self.assertRaises(ValueError): 

76 self.instrument.group_name_to_group_id("no_int") 

77 

78 def test_sky_angle_case_insensitive(self): 

79 """Test that makeExposureRecordFromObsInfo transfers sky_angle 

80 regardless of the boresight_rotation_coord capitalization. 

81 """ 

82 obs_info = ObservationInfo( 

83 instrument="DummyCam", 

84 exposure_id=1, 

85 exposure_time=10.0 * u.s, 

86 exposure_time_requested=10.0 * u.s, 

87 datetime_begin=Time("2025-01-01T00:00:00", scale="utc"), 

88 datetime_end=Time("2025-01-01T00:00:10", scale="utc"), 

89 observing_day=20250101, 

90 observation_type="science", 

91 physical_filter="g", 

92 tracking_radec=SkyCoord("00:00:00.0 +00:00:00.0", unit="deg"), 

93 boresight_rotation_angle=45.0 * u.deg, 

94 boresight_rotation_coord="SKY", 

95 ) 

96 record = makeExposureRecordFromObsInfo(obs_info, DimensionUniverse()) 

97 self.assertEqual(record.sky_angle, 45.0) 

98 

99 

100if __name__ == "__main__": 100 ↛ 101line 100 didn't jump to line 101 because the condition on line 100 was never true

101 unittest.main()