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

# This file is part of ip_diffim. 

# 

# Developed for the LSST Data Management System. 

# This product includes software developed by the LSST Project 

# (https://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 <https://www.gnu.org/licenses/>. 

 

import unittest 

 

import astropy.units as u 

 

from lsst.afw.table import SourceCatalog 

import lsst.utils.tests 

from lsst.verify import Name 

from lsst.verify.gen2tasks.testUtils import MetricTaskTestCase 

from lsst.verify.tasks import MetricComputationError 

 

from lsst.ip.diffim.metrics import \ 

NumberSciSourcesMetricTask, \ 

FractionDiaSourcesToSciSourcesMetricTask 

 

 

def _makeDummyCatalog(size): 

catalog = SourceCatalog(SourceCatalog.Table.makeMinimalSchema()) 

for i in range(size): 

catalog.addNew() 

return catalog 

 

 

class TestNumSciSources(MetricTaskTestCase): 

 

@classmethod 

def makeTask(cls): 

return NumberSciSourcesMetricTask() 

 

def testValid(self): 

catalog = _makeDummyCatalog(3) 

result = self.task.run(catalog) 

meas = result.measurement 

 

self.assertEqual(meas.metric_name, Name(metric="ip_diffim.numSciSources")) 

self.assertEqual(meas.quantity, len(catalog) * u.count) 

 

def testEmptyCatalog(self): 

catalog = _makeDummyCatalog(0) 

result = self.task.run(catalog) 

meas = result.measurement 

 

self.assertEqual(meas.metric_name, Name(metric="ip_diffim.numSciSources")) 

self.assertEqual(meas.quantity, 0 * u.count) 

 

def testMissingData(self): 

result = self.task.run(None) 

meas = result.measurement 

self.assertIsNone(meas) 

 

 

class TestFractionDiaSources(MetricTaskTestCase): 

 

@classmethod 

def makeTask(cls): 

return FractionDiaSourcesToSciSourcesMetricTask() 

 

def testValid(self): 

sciCatalog = _makeDummyCatalog(5) 

diaCatalog = _makeDummyCatalog(3) 

result = self.task.run(sciCatalog, diaCatalog) 

meas = result.measurement 

 

self.assertEqual(meas.metric_name, Name(metric="ip_diffim.fracDiaSourcesToSciSources")) 

self.assertEqual(meas.quantity, len(diaCatalog) / len(sciCatalog) * u.dimensionless_unscaled) 

 

def testEmptyDiaCatalog(self): 

sciCatalog = _makeDummyCatalog(5) 

diaCatalog = _makeDummyCatalog(0) 

result = self.task.run(sciCatalog, diaCatalog) 

meas = result.measurement 

 

self.assertEqual(meas.metric_name, Name(metric="ip_diffim.fracDiaSourcesToSciSources")) 

self.assertEqual(meas.quantity, 0.0 * u.dimensionless_unscaled) 

 

def testEmptySciCatalog(self): 

sciCatalog = _makeDummyCatalog(0) 

diaCatalog = _makeDummyCatalog(3) 

with self.assertRaises(MetricComputationError): 

self.task.run(sciCatalog, diaCatalog) 

 

def testEmptyCatalogs(self): 

sciCatalog = _makeDummyCatalog(0) 

diaCatalog = _makeDummyCatalog(0) 

with self.assertRaises(MetricComputationError): 

self.task.run(sciCatalog, diaCatalog) 

 

def testMissingData(self): 

result = self.task.run(None, None) 

meas = result.measurement 

self.assertIsNone(meas) 

 

def testSemiMissingData(self): 

result = self.task.run(sciSources=_makeDummyCatalog(3), diaSources=None) 

meas = result.measurement 

self.assertIsNone(meas) 

 

 

# Hack around unittest's hacky test setup system 

del MetricTaskTestCase 

 

 

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

pass 

 

 

def setup_module(module): 

lsst.utils.tests.init() 

 

 

131 ↛ 132line 131 didn't jump to line 132, because the condition on line 131 was never trueif __name__ == "__main__": 

lsst.utils.tests.init() 

unittest.main()