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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 

91 config = MultConfig() 

92 config.saveMetadata = False 

93 task3 = TaskDef("lsst.pipe.base.tests.Mult", config, MultTask, "mult_task") 

94 self.assertIsNone(task3.metadataDatasetName) 

95 

96 def testEmpty(self): 

97 """Creating empty pipeline 

98 """ 

99 pipeline = Pipeline("test") 

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

101 

102 def testInitial(self): 

103 """Testing constructor with initial data 

104 """ 

105 pipeline = Pipeline("test") 

106 pipeline.addTask(AddTask, "add") 

107 pipeline.addTask(MultTask, "mult") 

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

109 expandedPipeline = list(pipeline.toExpandedPipeline()) 

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

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

112 

113 def testSerialization(self): 

114 pipeline = Pipeline("test") 

115 pipeline.addTask(AddTask, "add") 

116 pipeline.addTask(MultTask, "mult") 

117 dump = str(pipeline) 

118 load = Pipeline.fromString(dump) 

119 self.assertEqual(pipeline, load) 

120 

121 

122class MyMemoryTestCase(lsst.utils.tests.MemoryTestCase): 

123 pass 

124 

125 

126def setup_module(module): 

127 lsst.utils.tests.init() 

128 

129 

130if __name__ == "__main__": 130 ↛ 131line 130 didn't jump to line 131, because the condition on line 130 was never true

131 lsst.utils.tests.init() 

132 unittest.main()