Hide keyboard shortcuts

Hot-keys on this page

r m x p   toggle line displays

j k   next/prev highlighted chunk

0   (zero) top of page

1   (one) first highlighted chunk

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

81

82

83

84

85

86

87

88

89

90

91

92

93

94

95

96

97

98

99

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

# This file is part of pipe_base. 

# 

# Developed for the LSST Data Management System. 

# This product includes software developed by the LSST Project 

# (http://www.lsst.org). 

# See the COPYRIGHT file at the top-level directory of this distribution 

# for details of code ownership. 

# 

# This program is free software: you can redistribute it and/or modify 

# it under the terms of the GNU General Public License as published by 

# the Free Software Foundation, either version 3 of the License, or 

# (at your option) any later version. 

# 

# This program is distributed in the hope that it will be useful, 

# but WITHOUT ANY WARRANTY; without even the implied warranty of 

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 

# GNU General Public License for more details. 

# 

# You should have received a copy of the GNU General Public License 

# along with this program. If not, see <http://www.gnu.org/licenses/>. 

 

"""Simple unit test for Pipeline. 

""" 

 

import unittest 

import pickle 

 

import lsst.pex.config as pexConfig 

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

import lsst.utils.tests 

 

 

class AddConfig(PipelineTaskConfig): 

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

 

 

class AddTask(PipelineTask): 

ConfigClass = AddConfig 

 

def run(self, val): 

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

return Struct( 

val=val + self.config.addend, 

) 

 

 

class MultConfig(PipelineTaskConfig): 

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

 

 

class MultTask(PipelineTask): 

ConfigClass = MultConfig 

 

def run(self, val): 

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

return Struct( 

val=val * self.config.multiplicand, 

) 

 

 

class TaskTestCase(unittest.TestCase): 

"""A test case for Task 

""" 

 

def setUp(self): 

pass 

 

def tearDown(self): 

pass 

 

def testTaskDef(self): 

"""Tests for TaskDef structure 

""" 

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

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

self.assertIsInstance(task1.config, AddConfig) 

self.assertIsNone(task1.taskClass) 

self.assertEqual(task1.label, "") 

 

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

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

self.assertIsInstance(task2.config, MultConfig) 

self.assertIs(task2.taskClass, MultTask) 

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

 

def testEmpty(self): 

"""Creating empty pipeline 

""" 

pipeline = Pipeline() 

self.assertEqual(len(pipeline), 0) 

 

def testAppend(self): 

"""Testing append() method 

""" 

pipeline = Pipeline() 

self.assertEqual(len(pipeline), 0) 

pipeline.append(TaskDef("lsst.pipe.base.tests.Add", AddConfig())) 

pipeline.append(TaskDef("lsst.pipe.base.tests.Mult", MultConfig())) 

self.assertEqual(len(pipeline), 2) 

self.assertEqual(pipeline[0].taskName, "lsst.pipe.base.tests.Add") 

self.assertEqual(pipeline[1].taskName, "lsst.pipe.base.tests.Mult") 

 

def testInitial(self): 

"""Testing constructor with initial data 

""" 

pipeline = Pipeline([TaskDef("lsst.pipe.base.tests.Add", AddConfig()), 

TaskDef("lsst.pipe.base.tests.Mult", MultConfig())]) 

self.assertEqual(len(pipeline), 2) 

self.assertEqual(pipeline[0].taskName, "lsst.pipe.base.tests.Add") 

self.assertEqual(pipeline[1].taskName, "lsst.pipe.base.tests.Mult") 

 

def testPickle(self): 

"""Test pickling/unpickling. 

""" 

pipeline = Pipeline([TaskDef("lsst.pipe.base.tests.Add", AddConfig()), 

TaskDef("lsst.pipe.base.tests.Mult", MultConfig())]) 

blob = pickle.dumps(pipeline) 

pipeline = pickle.loads(blob) 

self.assertIsInstance(pipeline, Pipeline) 

self.assertEqual(len(pipeline), 2) 

self.assertEqual(pipeline[0].taskName, "lsst.pipe.base.tests.Add") 

self.assertEqual(pipeline[1].taskName, "lsst.pipe.base.tests.Mult") 

 

 

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

pass 

 

 

def setup_module(module): 

lsst.utils.tests.init() 

 

 

133 ↛ 134line 133 didn't jump to line 134, because the condition on line 133 was never trueif __name__ == "__main__": 

lsst.utils.tests.init() 

unittest.main()