Coverage for tests/test_groups.py: 25%

1# This file is part of astro_metadata_translator. 

2# 

3# Developed for the LSST Data Management System. 

4# This product includes software developed by the LSST Project 

5# (http://www.lsst.org). 

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

7# for details of code ownership. 

8# 

9# Use of this source code is governed by a 3-clause BSD-style 

10# license that can be found in the LICENSE file. 

11 

12import os.path 

13import unittest 

14 

15from astro_metadata_translator import ObservationGroup 

16from astro_metadata_translator.serialize import group_to_fits, info_to_fits 

17from astro_metadata_translator.tests import read_test_file 

18 

19TESTDIR = os.path.abspath(os.path.dirname(__file__)) 

20 

21 

22class ObservationGroupTestCase(unittest.TestCase): 

23 datadir = os.path.join(TESTDIR, "data") 

24 

25 def setUp(self): 

26 self.decam_files = ( 

27 "fitsheader-decam.yaml", 

28 "fitsheader-decam-0160496.yaml", 

29 "fitsheader-decam-calexp-0412037_10.yaml", 

30 ) 

31 self.hsc_files = ("fitsheader-hsc-HSCA04090107.yaml", "fitsheader-hsc.yaml") 

32 

33 def _files_to_headers(self, files): 

34 return [read_test_file(os.path.join(self.datadir, f)) for f in files] 

35 

36 def test_groups(self): 

37 headers = self._files_to_headers(self.decam_files) 

38 

39 obs_group = ObservationGroup(headers) 

40 self.assertEqual(len(obs_group), 3) 

41 self.assertEqual( 

42 str(obs_group), 

43 "[(DECam, 2013-09-01T06:02:55.754), (DECam, 2012-12-11T22:06:32.859)," 

44 " (DECam, 2015-02-20T00:47:21.127)]", 

45 ) 

46 

47 sorted_group = ObservationGroup(sorted(obs_group)) 

48 self.assertIsInstance(sorted_group, ObservationGroup) 

49 self.assertEqual(len(sorted_group), 3) 

50 self.assertEqual(sorted_group[0], obs_group[1]) 

51 

52 self.assertNotEqual(obs_group, sorted_group) 

53 obs_group.sort() 

54 self.assertEqual(obs_group, sorted_group) 

55 obs_group.reverse() 

56 self.assertEqual(obs_group[0], sorted_group[-1]) 

57 

58 newest = obs_group.newest() 

59 oldest = obs_group.oldest() 

60 self.assertEqual(newest, sorted_group[-1]) 

61 self.assertEqual(oldest, sorted_group[0]) 

62 

63 self.assertLess(oldest, newest) 

64 self.assertGreater(newest, oldest) 

65 

66 self.assertNotEqual(oldest, obs_group) 

67 self.assertNotEqual(obs_group, oldest) 

68 

69 # Add some headers and check that sorting still works 

70 obs_group.extend(self._files_to_headers(self.hsc_files)) 

71 self.assertEqual(len(obs_group), 5) 

72 self.assertEqual(obs_group.newest(), obs_group[3]) 

73 

74 instruments = obs_group.property_values("instrument") 

75 self.assertEqual(instruments, {"HSC", "DECam"}) 

76 

77 # Check that simplified form round trips 

78 self.assertEqual(ObservationGroup.from_simple(obs_group.to_simple()), obs_group) 

79 

80 def test_fits_group(self): 

81 headers = self._files_to_headers(self.decam_files) 

82 

83 obs_group = ObservationGroup(headers) 

84 cards, comments = group_to_fits(obs_group) 

85 

86 expected = { 

87 "INSTRUME": "DECam", 

88 "TIMESYS": "TAI", 

89 "DATE-OBS": "2012-12-11T22:07:07.859", 

90 "MJD-OBS": 56272.92161874134, 

91 "DATE-END": "2015-02-20T00:50:11.000", 

92 "MJD-END": 57073.034849537034, 

93 "DATE-AVG": "2014-01-15T23:28:39.430", 

94 "MJD-AVG": 56672.97823413919, 

95 } 

96 self.assertEqual(cards, expected) 

97 

98 def test_fits_info(self): 

99 header = self._files_to_headers(self.decam_files)[0] 

100 obs_group = ObservationGroup([header]) 

101 cards, comments = info_to_fits(obs_group[0]) 

102 

103 expected = { 

104 "INSTRUME": "DECam", 

105 "TIMESYS": "TAI", 

106 "MJD-AVG": 56536.25417681625, 

107 "MJD-END": 56536.25591435185, 

108 "MJD-OBS": 56536.25243928065, 

109 "DATE-OBS": "2013-09-01T06:03:30.754", 

110 "DATE-AVG": "2013-09-01T06:06:00.877", 

111 "DATE-END": "2013-09-01T06:08:31.000", 

112 } 

113 self.assertEqual(cards, expected) 

114 

115 

116if __name__ == "__main__": 116 ↛ 117line 116 didn't jump to line 117, because the condition on line 116 was never true

117 unittest.main()