Coverage for tests/test_dotTools.py: 35%

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1# This file is part of ctrl_mpexec. 

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 

22"""Simple unit test for Pipeline. 

23""" 

24 

25import io 

26import re 

27import unittest 

28 

29import lsst.pipe.base.connectionTypes as cT 

30import lsst.utils.tests 

31from lsst.ctrl.mpexec.dotTools import pipeline2dot 

32from lsst.pipe.base import Pipeline, PipelineTask, PipelineTaskConfig, PipelineTaskConnections 

33 

34 

35class ExamplePipelineTaskConnections(PipelineTaskConnections, dimensions=()): 

36 input1 = cT.Input( 

37 name="", dimensions=["visit", "detector"], storageClass="example", doc="Input for this task" 

38 ) 

39 input2 = cT.Input( 

40 name="", dimensions=["visit", "detector"], storageClass="example", doc="Input for this task" 

41 ) 

42 output1 = cT.Output( 

43 name="", dimensions=["visit", "detector"], storageClass="example", doc="Output for this task" 

44 ) 

45 output2 = cT.Output( 

46 name="", dimensions=["visit", "detector"], storageClass="example", doc="Output for this task" 

47 ) 

48 

49 def __init__(self, *, config=None): 

50 super().__init__(config=config) 

51 if not config.connections.input2: 

52 self.inputs.remove("input2") 

53 if not config.connections.output2: 

54 self.outputs.remove("output2") 

55 

56 

57class ExamplePipelineTaskConfig(PipelineTaskConfig, pipelineConnections=ExamplePipelineTaskConnections): 

58 pass 

59 

60 

61def _makeConfig(inputName, outputName, pipeline, label): 

62 """Factory method for config instances 

63 

64 inputName and outputName can be either string or tuple of strings 

65 with two items max. 

66 """ 

67 if isinstance(inputName, tuple): 

68 pipeline.addConfigOverride(label, "connections.input1", inputName[0]) 

69 pipeline.addConfigOverride(label, "connections.input2", inputName[1] if len(inputName) > 1 else "") 

70 else: 

71 pipeline.addConfigOverride(label, "connections.input1", inputName) 

72 

73 if isinstance(outputName, tuple): 

74 pipeline.addConfigOverride(label, "connections.output1", outputName[0]) 

75 pipeline.addConfigOverride(label, "connections.output2", outputName[1] if len(outputName) > 1 else "") 

76 else: 

77 pipeline.addConfigOverride(label, "connections.output1", outputName) 

78 

79 

80class ExamplePipelineTask(PipelineTask): 

81 ConfigClass = ExamplePipelineTaskConfig 

82 

83 

84def _makePipeline(tasks): 

85 """Generate Pipeline instance. 

86 

87 Parameters 

88 ---------- 

89 tasks : list of tuples 

90 Each tuple in the list has 3 or 4 items: 

91 - input DatasetType name(s), string or tuple of strings 

92 - output DatasetType name(s), string or tuple of strings 

93 - task label, string 

94 - optional task class object, can be None 

95 

96 Returns 

97 ------- 

98 Pipeline instance 

99 """ 

100 pipe = Pipeline("test pipeline") 

101 for task in tasks: 

102 inputs = task[0] 

103 outputs = task[1] 

104 label = task[2] 

105 klass = task[3] if len(task) > 3 else ExamplePipelineTask 

106 pipe.addTask(klass, label) 

107 _makeConfig(inputs, outputs, pipe, label) 

108 return list(pipe.toExpandedPipeline()) 

109 

110 

111class DotToolsTestCase(unittest.TestCase): 

112 """A test case for dotTools""" 

113 

114 def testPipeline2dot(self): 

115 """Tests for dotTools.pipeline2dot method""" 

116 pipeline = _makePipeline( 

117 [ 

118 ("A", ("B", "C"), "task0"), 

119 ("C", "E", "task1"), 

120 ("B", "D", "task2"), 

121 (("D", "E"), "F", "task3"), 

122 ("D.C", "G", "task4"), 

123 ("task3_metadata", "H", "task5"), 

124 ] 

125 ) 

126 file = io.StringIO() 

127 pipeline2dot(pipeline, file) 

128 

129 # It's hard to validate complete output, just checking few basic 

130 # things, even that is not terribly stable. 

131 lines = file.getvalue().strip().split("\n") 

132 ndatasets = 10 

133 ntasks = 6 

134 nedges = 16 

135 nextra = 2 # graph header and closing 

136 self.assertEqual(len(lines), ndatasets + ntasks + nedges + nextra) 

137 

138 # make sure that all node names are quoted 

139 nodeRe = re.compile(r"^([^ ]+) \[.+\];$") 

140 edgeRe = re.compile(r"^([^ ]+) *-> *([^ ]+);$") 

141 for line in lines: 

142 match = nodeRe.match(line) 

143 if match: 

144 node = match.group(1) 

145 self.assertEqual(node[0] + node[-1], '""') 

146 continue 

147 match = edgeRe.match(line) 

148 if match: 

149 for group in (1, 2): 

150 node = match.group(group) 

151 self.assertEqual(node[0] + node[-1], '""') 

152 continue 

153 

154 # make sure components are connected appropriately 

155 self.assertIn('"D" -> "D.C";', file.getvalue()) 

156 

157 # make sure there is a connection created for metadata if someone 

158 # tries to read it in 

159 self.assertIn('"task3" -> "task3_metadata"', file.getvalue()) 

160 

161 

162class MyMemoryTestCase(lsst.utils.tests.MemoryTestCase): 

163 pass 

164 

165 

166def setup_module(module): 

167 lsst.utils.tests.init() 

168 

169 

170if __name__ == "__main__": 170 ↛ 171line 170 didn't jump to line 171, because the condition on line 170 was never true

171 lsst.utils.tests.init() 

172 unittest.main()