Coverage for tests/test_composites.py: 21%

46 statements  

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1# This file is part of daf_butler. 

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 

22import os 

23import unittest 

24 

25from lsst.daf.butler import CompositesConfig, CompositesMap, DatasetType, DimensionUniverse, StorageClass 

26 

27TESTDIR = os.path.dirname(__file__) 

28 

29 

30class TestCompositesConfig(unittest.TestCase): 

31 """Test composites configuration.""" 

32 

33 @classmethod 

34 def setUpClass(cls): 

35 cls.configFile = os.path.join(TESTDIR, "config", "basic", "composites.yaml") 

36 

37 def testBadConfig(self): 

38 """Config with bad values in it""" 

39 with self.assertRaises(ValueError): 

40 CompositesConfig(os.path.join(TESTDIR, "config", "basic", "composites-bad.yaml")) 

41 

42 def testConfig(self): 

43 c = CompositesConfig(self.configFile) 

44 self.assertIn("default", c) 

45 # Check merging has worked 

46 rootKey = "disassembled" 

47 self.assertIn(f".{rootKey}.dummyTrue", c) 

48 self.assertIn(f".{rootKey}.StructuredComposite", c) 

49 

50 # Check that all entries are booleans (this is meant to be enforced 

51 # internally) 

52 for k in c[rootKey]: 

53 self.assertIsInstance(c[f".{rootKey}.{k}"], bool, f"Testing {rootKey}.{k}") 

54 

55 def testMap(self): 

56 universe = DimensionUniverse() 

57 c = CompositesMap(self.configFile, universe=universe) 

58 

59 # Check that a str is not supported 

60 with self.assertRaises(ValueError): 

61 c.shouldBeDisassembled("fred") 

62 

63 # These will fail (not a composite) 

64 sc = StorageClass("StructuredDataJson") 

65 d = DatasetType("dummyTrue", universe.empty, sc) 

66 self.assertFalse(sc.isComposite()) 

67 self.assertFalse(d.isComposite()) 

68 self.assertFalse(c.shouldBeDisassembled(d), f"Test with DatasetType: {d}") 

69 self.assertFalse(c.shouldBeDisassembled(sc), f"Test with StorageClass: {sc}") 

70 

71 # Repeat but this time use a composite storage class 

72 sccomp = StorageClass("Dummy") 

73 sc = StorageClass("StructuredDataJson", components={"dummy": sccomp, "dummy2": sccomp}) 

74 d = DatasetType("dummyTrue", universe.empty, sc) 

75 self.assertTrue(sc.isComposite()) 

76 self.assertTrue(d.isComposite()) 

77 self.assertTrue(c.shouldBeDisassembled(d), f"Test with DatasetType: {d}") 

78 self.assertFalse(c.shouldBeDisassembled(sc), f"Test with StorageClass: {sc}") 

79 

80 # Override with False 

81 d = DatasetType("dummyFalse", universe.empty, sc) 

82 self.assertFalse(c.shouldBeDisassembled(d), f"Test with DatasetType: {d}") 

83 

84 # DatasetType that has no explicit entry 

85 d = DatasetType("dummyFred", universe.empty, sc) 

86 self.assertFalse(c.shouldBeDisassembled(d), f"Test with DatasetType: {d}") 

87 

88 # StorageClass that will be disassembled 

89 sc = StorageClass("StructuredComposite", components={"dummy": sccomp, "dummy2": sccomp}) 

90 d = DatasetType("dummyFred", universe.empty, sc) 

91 self.assertTrue(c.shouldBeDisassembled(d), f"Test with DatasetType: {d}") 

92 

93 # Check that we are not allowed a single component in a composite 

94 with self.assertRaises(ValueError): 

95 StorageClass("TestSC", components={"dummy": sccomp}) 

96 

97 

98if __name__ == "__main__": 

99 unittest.main()