Coverage for tests/test_diaPipe.py: 34%

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1# This file is part of ap_association. 

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# 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 <https://www.gnu.org/licenses/>. 

21 

22import unittest 

23import numpy as np 

24import pandas as pd 

25 

26import lsst.afw.image as afwImage 

27import lsst.afw.table as afwTable 

28import lsst.pipe.base as pipeBase 

29import lsst.utils.tests 

30from unittest.mock import patch, Mock, DEFAULT 

31 

32from lsst.ap.association import DiaPipelineTask 

33 

34 

35class TestDiaPipelineTask(unittest.TestCase): 

36 

37 @classmethod 

38 def _makeDefaultConfig(cls, doPackageAlerts=False): 

39 config = DiaPipelineTask.ConfigClass() 

40 config.apdb.db_url = "sqlite://" 

41 config.apdb.isolation_level = "READ_UNCOMMITTED" 

42 config.doPackageAlerts = doPackageAlerts 

43 return config 

44 

45 def setUp(self): 

46 # schemas are persisted in both Gen 2 and Gen 3 butler as prototypical catalogs 

47 srcSchema = afwTable.SourceTable.makeMinimalSchema() 

48 srcSchema.addField("base_PixelFlags_flag", type="Flag") 

49 srcSchema.addField("base_PixelFlags_flag_offimage", type="Flag") 

50 self.srcSchema = afwTable.SourceCatalog(srcSchema) 

51 

52 def tearDown(self): 

53 pass 

54 

55 def testRunWithAlerts(self): 

56 """Test running while creating and packaging alerts. 

57 """ 

58 self._testRun(True) 

59 

60 def testRunWithoutAlerts(self): 

61 """Test running without creating and packaging alerts. 

62 """ 

63 self._testRun(False) 

64 

65 def _testRun(self, doPackageAlerts=False): 

66 """Test the normal workflow of each ap_pipe step. 

67 """ 

68 config = self._makeDefaultConfig(doPackageAlerts=doPackageAlerts) 

69 task = DiaPipelineTask(config=config) 

70 # Set DataFrame index testing to always return False. Mocks return 

71 # true for this check otherwise. 

72 task.testDataFrameIndex = lambda x: False 

73 diffIm = Mock(spec=afwImage.ExposureF) 

74 exposure = Mock(spec=afwImage.ExposureF) 

75 template = Mock(spec=afwImage.ExposureF) 

76 diaSrc = Mock(sepc=pd.DataFrame) 

77 ccdExposureIdBits = 32 

78 

79 # Each of these subtasks should be called once during diaPipe 

80 # execution. We use mocks here to check they are being executed 

81 # appropriately. 

82 subtasksToMock = [ 

83 "diaCatalogLoader", 

84 "associator", 

85 "diaCalculation", 

86 "diaForcedSource", 

87 ] 

88 if doPackageAlerts: 

89 subtasksToMock.append("alertPackager") 

90 else: 

91 self.assertFalse(hasattr(task, "alertPackager")) 

92 

93 # apdb isn't a subtask, but still needs to be mocked out for correct 

94 # execution in the test environment. 

95 with patch.multiple( 

96 task, **{task: DEFAULT for task in subtasksToMock + ["apdb"]} 

97 ): 

98 result = task.run(diaSrc, 

99 diffIm, 

100 exposure, 

101 template, 

102 ccdExposureIdBits, 

103 "g") 

104 for subtaskName in subtasksToMock: 

105 getattr(task, subtaskName).run.assert_called_once() 

106 pipeBase.testUtils.assertValidOutput(task, result) 

107 self.assertEqual(result.apdbMarker.db_url, "sqlite://") 

108 self.assertEqual(result.apdbMarker.isolation_level, 

109 "READ_UNCOMMITTED") 

110 

111 def test_createDiaObjects(self): 

112 """Test that creating new DiaObjects works as expected. 

113 """ 

114 nSources = 5 

115 diaSources = pd.DataFrame(data=[ 

116 {"ra": 0.04*idx, "decl": 0.04*idx, 

117 "diaSourceId": idx + 1 + nSources, "diaObjectId": 0, 

118 "ssObjectId": 0} 

119 for idx in range(nSources)]) 

120 

121 config = self._makeDefaultConfig(doPackageAlerts=False) 

122 task = DiaPipelineTask(config=config) 

123 result = task.createNewDiaObjects(diaSources) 

124 self.assertEqual(nSources, len(result.newDiaObjects)) 

125 self.assertTrue(np.all(np.equal( 

126 result.diaSources["diaObjectId"].to_numpy(), 

127 result.diaSources["diaSourceId"].to_numpy()))) 

128 self.assertTrue(np.all(np.equal( 

129 result.newDiaObjects["diaObjectId"].to_numpy(), 

130 result.diaSources["diaSourceId"].to_numpy()))) 

131 

132 

133class MemoryTester(lsst.utils.tests.MemoryTestCase): 

134 pass 

135 

136 

137def setup_module(module): 

138 lsst.utils.tests.init() 

139 

140 

141if __name__ == "__main__": 141 ↛ 142line 141 didn't jump to line 142, because the condition on line 141 was never true

142 lsst.utils.tests.init() 

143 unittest.main()