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

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

# This file is part of verify. 

# 

# 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 operator 

 

import astropy.units as u 

 

from lsst.verify import Name, Job 

from lsst.verify.spec import ThresholdSpecification 

 

 

class ThresholdSpecificationTestCase(unittest.TestCase): 

"""Test ThresholdSpecification class functionality.""" 

 

def test_init(self): 

"""Test initialization patterns.""" 

# with a fully-specified Name 

s1 = ThresholdSpecification( 

Name('validate_drp.AM1.design'), 

5. * u.marcsec, 

'<') 

 

# with a fully-specified string-based name 

s2 = ThresholdSpecification( 

'validate_drp.AM1.design', 

5. * u.marcsec, 

'<') 

self.assertEqual(s1, s2) 

 

# bad operator 

with self.assertRaises(TypeError): 

ThresholdSpecification( 

'validate_drp.AM1.design', 

5. * u.marcsec, 

'<<') 

 

# bad quantity 

with self.assertRaises(TypeError): 

ThresholdSpecification( 

'validate_drp.AM1.design', 

5., 

'<') 

 

# bad name 

with self.assertRaises(TypeError): 

ThresholdSpecification( 

Name(metric='validate_drp'), 

5. * u.marcsec, 

'<') 

 

def test_equality(self): 

"""test __eq__.""" 

s1 = ThresholdSpecification( 

Name('validate_drp.AM1.design'), 

5. * u.marcsec, 

'<') 

 

# with compatible units 

s3 = ThresholdSpecification( 

Name('validate_drp.AM1.design'), 

5e-3 * u.arcsec, 

'<') 

self.assertEqual(s1, s3) 

 

# incompatible names 

s4 = ThresholdSpecification( 

Name('validate_drp.AM1.stretch'), 

5. * u.marcsec, 

'<') 

self.assertNotEqual(s1, s4) 

 

# incompatible threshold 

s5 = ThresholdSpecification( 

Name('validate_drp.AM1.design'), 

5. * u.arcsec, 

'<') 

self.assertNotEqual(s1, s5) 

 

# incompatible operator 

s6 = ThresholdSpecification( 

Name('validate_drp.AM1.design'), 

5. * u.marcsec, 

'>') 

self.assertNotEqual(s1, s6) 

 

def test_spec(self): 

"""Test creating and accessing a specification from a quantity.""" 

s = ThresholdSpecification('design', 5 * u.mag, '<') 

self.assertEqual(s.name, Name(spec='design')) 

self.assertEqual(s.type, 'threshold') 

self.assertEqual(s.threshold.value, 5.) 

self.assertEqual(s.threshold.unit, u.mag) 

self.assertEqual(s.operator_str, '<') 

# Sanity-check repr 

self.assertIn('ThresholdSpecification', repr(s)) 

self.assertIn('design', repr(s)) 

self.assertIn('Quantity', repr(s)) 

self.assertIn('mag', repr(s)) 

self.assertIn('5', repr(s)) 

 

# Test specification check method 

self.assertTrue( 

s.check(4 * u.mag) 

) 

self.assertTrue( 

s.check(4000 * u.mmag) 

) 

self.assertFalse( 

s.check(6. * u.mag) 

) 

self.assertFalse( 

s.check(6000. * u.mmag) 

) 

with self.assertRaises(u.UnitConversionError): 

s.check(2. * u.arcmin) 

with self.assertRaises(u.UnitsError): 

s.check(2.) 

 

# test json output 

json_data = s.json 

self.assertEqual(json_data['name'], 'design') 

self.assertEqual(json_data['threshold']['value'], 5.) 

self.assertEqual(json_data['threshold']['unit'], 'mag') 

self.assertEqual(json_data['threshold']['operator'], '<') 

 

# rebuild from json 

s3 = ThresholdSpecification.deserialize(**json_data) 

self.assertEqual(s, s3) 

 

# test datum output 

d = s.datum 

self.assertEqual(d.quantity, 5. * u.mag) 

self.assertEqual(d.label, 'design') 

 

def test_convert_operator_str(self): 

"""Test that strings can be converted into operators.""" 

self.assertEqual( 

ThresholdSpecification.convert_operator_str('<'), 

operator.lt) 

 

self.assertEqual( 

ThresholdSpecification.convert_operator_str('<='), 

operator.le) 

 

self.assertEqual( 

ThresholdSpecification.convert_operator_str('>'), 

operator.gt) 

 

self.assertEqual( 

ThresholdSpecification.convert_operator_str('>='), 

operator.ge) 

 

self.assertEqual( 

ThresholdSpecification.convert_operator_str('=='), 

operator.eq) 

 

self.assertEqual( 

ThresholdSpecification.convert_operator_str('!='), 

operator.ne) 

 

with self.assertRaises(ValueError): 

ThresholdSpecification.convert_operator_str('<<'), 

 

def test_query_metadata(self): 

job = Job(meta={'filter_name': 'r', 

'camera': 'MegaCam'}) 

s1 = ThresholdSpecification( 

Name('validate_drp.AM1.design_r'), 

5. * u.marcsec, '<', 

metadata_query={'filter_name': 'r'}) 

s2 = ThresholdSpecification( 

Name('validate_drp.AM1.design_i'), 

5. * u.marcsec, '<', 

metadata_query={'filter_name': 'i'}) 

s3 = ThresholdSpecification( 

Name('validate_drp.AM1.design_HSC_r'), 

5. * u.marcsec, '<', 

metadata_query={'filter_name': 'r', 'camera': 'HSC'}) 

 

self.assertTrue(s1.query_metadata(job.meta)) 

self.assertFalse(s2.query_metadata(job.meta)) 

self.assertFalse(s3.query_metadata(job.meta)) 

 

 

204 ↛ 205line 204 didn't jump to line 205, because the condition on line 204 was never trueif __name__ == "__main__": 

unittest.main()