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1# This file is part of pipe_base. 

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 

22"""Simple unit test for Pipeline. 

23""" 

24 

25import unittest 

26 

27import lsst.pex.config as pexConfig 

28from lsst.pipe.base import (Struct, PipelineTask, PipelineTaskConfig, Pipeline, TaskDef, 

29 PipelineTaskConnections) 

30import lsst.utils.tests 

31 

32 

33class DummyConnections(PipelineTaskConnections, dimensions=()): 

34 pass 

35 

36 

37class AddConfig(PipelineTaskConfig, pipelineConnections=DummyConnections): 

38 addend = pexConfig.Field(doc="amount to add", dtype=float, default=3.1) 

39 

40 

41class AddTask(PipelineTask): 

42 ConfigClass = AddConfig 

43 

44 def run(self, val): 

45 self.metadata.add("add", self.config.addend) 

46 return Struct( 

47 val=val + self.config.addend, 

48 ) 

49 

50 

51class MultConfig(PipelineTaskConfig, pipelineConnections=DummyConnections): 

52 multiplicand = pexConfig.Field(doc="amount by which to multiply", dtype=float, default=2.5) 

53 

54 

55class MultTask(PipelineTask): 

56 ConfigClass = MultConfig 

57 

58 def run(self, val): 

59 self.metadata.add("mult", self.config.multiplicand) 

60 return Struct( 

61 val=val * self.config.multiplicand, 

62 ) 

63 

64 

65class TaskTestCase(unittest.TestCase): 

66 """A test case for Task 

67 """ 

68 

69 def setUp(self): 

70 pass 

71 

72 def tearDown(self): 

73 pass 

74 

75 def testTaskDef(self): 

76 """Tests for TaskDef structure 

77 """ 

78 task1 = TaskDef("lsst.pipe.base.tests.Add", AddConfig()) 

79 self.assertEqual(task1.taskName, "lsst.pipe.base.tests.Add") 

80 self.assertIsInstance(task1.config, AddConfig) 

81 self.assertIsNone(task1.taskClass) 

82 self.assertEqual(task1.label, "") 

83 

84 task2 = TaskDef("lsst.pipe.base.tests.Mult", MultConfig(), MultTask, "mult_task") 

85 self.assertEqual(task2.taskName, "lsst.pipe.base.tests.Mult") 

86 self.assertIsInstance(task2.config, MultConfig) 

87 self.assertIs(task2.taskClass, MultTask) 

88 self.assertEqual(task2.label, "mult_task") 

89 self.assertEqual(task2.metadataDatasetName, "mult_task_metadata") 

90 task2.config.saveMetadata = False 

91 self.assertIsNone(task2.metadataDatasetName) 

92 

93 def testEmpty(self): 

94 """Creating empty pipeline 

95 """ 

96 pipeline = Pipeline("test") 

97 self.assertEqual(len(pipeline), 0) 

98 

99 def testInitial(self): 

100 """Testing constructor with initial data 

101 """ 

102 pipeline = Pipeline("test") 

103 pipeline.addTask(AddTask, "add") 

104 pipeline.addTask(MultTask, "mult") 

105 self.assertEqual(len(pipeline), 2) 

106 expandedPipeline = list(pipeline.toExpandedPipeline()) 

107 self.assertEqual(expandedPipeline[0].taskName, "AddTask") 

108 self.assertEqual(expandedPipeline[1].taskName, "MultTask") 

109 

110 def testSerialization(self): 

111 pipeline = Pipeline("test") 

112 pipeline.addTask(AddTask, "add") 

113 pipeline.addTask(MultTask, "mult") 

114 dump = str(pipeline) 

115 load = Pipeline.fromString(dump) 

116 self.assertEqual(pipeline, load) 

117 

118 

119class MyMemoryTestCase(lsst.utils.tests.MemoryTestCase): 

120 pass 

121 

122 

123def setup_module(module): 

124 lsst.utils.tests.init() 

125 

126 

127if __name__ == "__main__": 127 ↛ 128line 127 didn't jump to line 128, because the condition on line 127 was never true

128 lsst.utils.tests.init() 

129 unittest.main()