1# 

2# This file is part of ap_verify. 

3# 

4# Developed for the LSST Data Management System. 

5# This product includes software developed by the LSST Project 

6# (http://www.lsst.org). 

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

8# for details of code ownership. 

9# 

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

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

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

13# (at your option) any later version. 

14# 

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

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

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

18# GNU General Public License for more details. 

19# 

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

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

22# 

23 

24"""Common code for ap_verify unit tests. 

25""" 

26 

27import unittest 

28 

29import lsst.utils.tests 

30 

31import lsst.pex.exceptions as pexExcept 

32from lsst.ap.verify.config import Config 

33 

34 

35class DataTestCase(lsst.utils.tests.TestCase): 

36 """Unit test class for tests that need to use the Dataset framework. 

37 

38 Unit tests based on this class will search for a designated dataset 

39 (`testDataset`), and skip all tests if the dataset is not available. 

40 

41 Subclasses must call `DataTestCase.setUpClass()` if they override 

42 ``setUpClass`` themselves. 

43 """ 

44 

45 testDataset = 'ap_verify_testdata' 

46 """The EUPS package name of the dataset to use for testing (`str`). 

47 """ 

48 obsPackage = 'obs_lsst' 

49 """The obs package associated with ``testDataset`` (`str`). 

50 

51 Set to `None` if ``testDataset`` loads its own dependencies (not 

52 recommended for test datasets). 

53 """ 

54 datasetKey = 'test' 

55 """The ap_verify dataset name that would be used on the command line (`str`). 

56 """ 

57 

58 @classmethod 

59 def setUpClass(cls): 

60 try: 

61 lsst.utils.getPackageDir(cls.testDataset) 

62 except pexExcept.NotFoundError: 

63 raise unittest.SkipTest(f'{cls.testDataset} not set up') 

64 if cls.obsPackage: 

65 try: 

66 lsst.utils.getPackageDir(cls.obsPackage) 

67 except LookupError: 

68 raise unittest.SkipTest(f'{cls.obsPackage} not set up; needed for {cls.testDataset}') 

69 

70 # Hack the config for testing purposes 

71 # Note that Config.instance is supposed to be immutable, so, depending on initialization order, 

72 # this modification may cause other tests to see inconsistent config values 

73 Config.instance._allInfo['datasets.' + cls.datasetKey] = cls.testDataset