Coverage for tests/test_ndf_common.py: 48%

1# This file is part of lsst-images. 

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

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

11 

12from __future__ import annotations 

13 

14import unittest 

15 

16try: 

17 from lsst.images.ndf._common import NdfPointerModel, archive_path_to_hdf5_path 

18 

19 HAVE_H5PY = True 

20except ImportError: 

21 HAVE_H5PY = False 

22 

23 

24@unittest.skipUnless(HAVE_H5PY, "h5py is not installed") 

25class NdfPointerModelTestCase(unittest.TestCase): 

26 """Tests for `NdfPointerModel` and `archive_path_to_hdf5_path`.""" 

27 

28 def test_round_trips_through_json(self): 

29 original = NdfPointerModel(path="/MORE/LSST/PSF") 

30 json_bytes = original.model_dump_json().encode() 

31 recovered = NdfPointerModel.model_validate_json(json_bytes) 

32 self.assertEqual(recovered, original) 

33 

34 def test_archive_path_to_hdf5_path(self): 

35 self.assertEqual(archive_path_to_hdf5_path(""), "/MORE/LSST/JSON") 

36 self.assertEqual(archive_path_to_hdf5_path("/psf"), "/MORE/LSST/PSF") 

37 self.assertEqual(archive_path_to_hdf5_path("/psf/coefficients"), "/MORE/LSST/PSF/COEFFICIENTS") 

38 

39 def test_archive_path_to_hdf5_path_rejects_long_components(self): 

40 with self.assertRaisesRegex(ValueError, "16-character HDS limit"): 

41 archive_path_to_hdf5_path("/psf/this_component_is_too_long")