Coverage for tests/test_metadataObjectAccess.py: 32%
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1# This file is part of obs_test.
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 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#
23import math
24import os
25import unittest
27import lsst.afw.image
28from lsst.afw.geom import SkyWcs
29import lsst.daf.persistence as dafPersist
30import lsst.utils.tests
31from lsst.utils import getPackageDir
33obsTestDir = getPackageDir('obs_test')
36class TestCalexpMetadataObjects(lsst.utils.tests.TestCase):
37 """Test getting metadata objects from a calexp."""
38 def setUp(self):
39 self.input = os.path.join(obsTestDir,
40 'data',
41 'calexpMetadataObjectsTest')
43 def nanSafeAssertEqual(self, val1, val2):
44 try:
45 self.assertEqual(val1, val2)
46 except AssertionError as err:
47 if math.isnan(val1) and math.isnan(val2):
48 pass
49 else:
50 raise err
52 def testNanSafeAssertEqual(self):
53 val1 = float('nan')
54 val2 = float(123.45)
55 with self.assertRaises(AssertionError):
56 self.nanSafeAssertEqual(val1, val2)
57 val1 = float(123.44)
58 val2 = float(123.45)
59 with self.assertRaises(AssertionError):
60 self.nanSafeAssertEqual(val1, val2)
61 # should not raise:
62 val1 = float('nan')
63 val2 = float('nan')
64 self.nanSafeAssertEqual(val1, val2)
65 val1 = float(123.45)
66 val2 = float(123.45)
67 self.nanSafeAssertEqual(val1, val2)
69 def test(self):
70 """Get the wcs, photoCalib, and visitInfo from a calexp dataset."""
71 butler = dafPersist.Butler(inputs=self.input)
72 wcs = butler.get('calexp_wcs', immediate=True)
73 photoCalib = butler.get('calexp_photoCalib', immediate=True)
74 visitInfo = butler.get('calexp_visitInfo', immediate=True)
75 filt = butler.get('calexp_filter', immediate=True)
76 calexp = butler.get('calexp', immediate=True)
77 self.assertIsInstance(calexp, lsst.afw.image.ExposureF)
79 self.assertIsInstance(wcs, SkyWcs)
80 self.assertWcsAlmostEqualOverBBox(wcs, calexp.getWcs(), calexp.getBBox())
82 self.assertIsInstance(photoCalib, lsst.afw.image.PhotoCalib)
83 self.assertEqual(photoCalib, calexp.getPhotoCalib())
85 self.assertIsInstance(visitInfo, lsst.afw.image.VisitInfo)
86 self.assertIsInstance(filt, lsst.afw.image.Filter)
88 self.assertEqual(visitInfo, calexp.info.getVisitInfo())
91class MemoryTester(lsst.utils.tests.MemoryTestCase):
92 pass
95def setup_module(module):
96 lsst.utils.tests.init()
99if __name__ == "__main__": 99 ↛ 100line 99 didn't jump to line 100, because the condition on line 99 was never true
100 lsst.utils.tests.init()
101 unittest.main()