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# This file is part of obs_base. 

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 

22import unittest 

23 

24import lsst.utils.tests 

25import lsst.afw.image 

26from lsst.obs.base import FilterDefinition, FilterDefinitionCollection 

27import lsst.pex.exceptions 

28 

29 

30class TestFilterDefinitionCollection(lsst.utils.tests.TestCase): 

31 def setUp(self): 

32 self.filters1 = FilterDefinitionCollection(FilterDefinition(physical_filter='abc', lambdaEff=123), 

33 FilterDefinition(physical_filter='def', lambdaEff=456)) 

34 self.filters2 = FilterDefinitionCollection(FilterDefinition(physical_filter='abc', lambdaEff=321), 

35 FilterDefinition(physical_filter='def', lambdaEff=654)) 

36 FilterDefinitionCollection.reset() 

37 

38 def test_singleton(self): 

39 self.filters1.defineFilters() 

40 self.assertEqual(lsst.afw.image.Filter('abc').getFilterProperty().getLambdaEff(), 123) 

41 self.assertEqual(lsst.afw.image.Filter('def').getFilterProperty().getLambdaEff(), 456) 

42 self.filters1.defineFilters() # this should not change anything 

43 self.assertEqual(lsst.afw.image.Filter('abc').getFilterProperty().getLambdaEff(), 123) 

44 self.assertEqual(lsst.afw.image.Filter('def').getFilterProperty().getLambdaEff(), 456) 

45 with self.assertRaises(RuntimeError): 

46 self.filters2.defineFilters() 

47 # the defined filters should be unchanged 

48 self.assertEqual(lsst.afw.image.Filter('abc').getFilterProperty().getLambdaEff(), 123) 

49 self.assertEqual(lsst.afw.image.Filter('def').getFilterProperty().getLambdaEff(), 456) 

50 

51 def test_reset(self): 

52 self.filters1.defineFilters() 

53 with self.assertRaises(RuntimeError): 

54 self.filters2.defineFilters() 

55 self.filters1.reset() 

56 # The new filters can be defiend and should replace the old ones. 

57 self.filters2.defineFilters() 

58 self.assertEqual(lsst.afw.image.Filter('abc').getFilterProperty().getLambdaEff(), 321) 

59 self.assertEqual(lsst.afw.image.Filter('def').getFilterProperty().getLambdaEff(), 654) 

60 

61 

62class TestFilterDefinition(lsst.utils.tests.TestCase): 

63 def setUp(self): 

64 lsst.afw.image.utils.resetFilters() 

65 self.filter_g = FilterDefinition(band="g", 

66 physical_filter="HSC-G", 

67 lambdaEff=1234, 

68 alias={'ABCDEFG'}) 

69 self.filter_g2 = FilterDefinition(band="g", 

70 physical_filter="HSC-G2", 

71 afw_name='g2', 

72 lambdaEff=1235, 

73 alias={'HIJK'}) 

74 

75 self.physical_only = FilterDefinition(physical_filter="physical", lambdaEff=0) 

76 self.afw_name = FilterDefinition(physical_filter="afw_name", 

77 lambdaEff=5, afw_name="afw only") 

78 self.abstract = FilterDefinition(physical_filter="abstract", lambdaEff=42, 

79 band="abstract only") 

80 

81 def testDefineFilters(self): 

82 """Test that a filter is properly defined in afw.""" 

83 # the filter should not exist until we define it 

84 with self.assertRaises(lsst.pex.exceptions.NotFoundError): 

85 lsst.afw.image.Filter('g') 

86 with self.assertRaises(lsst.pex.exceptions.NotFoundError): 

87 lsst.afw.image.Filter('g2') 

88 with self.assertRaises(lsst.pex.exceptions.NotFoundError): 

89 lsst.afw.image.Filter('HSC-G') 

90 

91 self.filter_g.defineFilter() 

92 filter = lsst.afw.image.Filter('g') 

93 filter_alias = lsst.afw.image.Filter('HSC-G') 

94 self.assertEqual(filter.getName(), 'g') 

95 # afw Filter stores the aliased name as the CannonicalName 

96 self.assertEqual(filter_alias.getCanonicalName(), 'g') 

97 self.assertEqual(filter, filter_alias) 

98 self.assertEqual(['ABCDEFG', 'HSC-G'], sorted(filter.getAliases())) 

99 

100 self.filter_g2.defineFilter() 

101 filter2 = lsst.afw.image.Filter('g2') 

102 filter2_alias = lsst.afw.image.Filter('HSC-G2') 

103 self.assertEqual(filter2.getName(), 'g2') 

104 self.assertEqual(filter2_alias.getCanonicalName(), 'g2') 

105 self.assertEqual(filter2, filter2_alias) 

106 self.assertEqual(['HIJK', 'HSC-G2', 'g'], sorted(filter2.getAliases())) 

107 

108 def test_physical_only(self): 

109 """physical_filter is the only name this filter has. 

110 """ 

111 self.physical_only.defineFilter() 

112 filter = lsst.afw.image.Filter('physical') 

113 self.assertEqual(filter.getName(), 'physical') 

114 self.assertEqual([], sorted(filter.getAliases())) 

115 

116 def test_afw_name(self): 

117 """afw_name is the Filter name, physical_filter is an alias. 

118 """ 

119 self.afw_name.defineFilter() 

120 filter = lsst.afw.image.Filter('afw only') 

121 filter_alias = lsst.afw.image.Filter('afw_name') 

122 self.assertEqual(filter.getName(), 'afw only') 

123 self.assertEqual(filter_alias.getCanonicalName(), 'afw only') 

124 self.assertEqual(['afw_name'], sorted(filter.getAliases())) 

125 

126 def test_abstract_only(self): 

127 """band is the Filter name, physical_filter is an alias. 

128 """ 

129 self.abstract.defineFilter() 

130 filter = lsst.afw.image.Filter('abstract only') 

131 filter_alias = lsst.afw.image.Filter('abstract') 

132 self.assertEqual(filter.getName(), 'abstract only') 

133 self.assertEqual(filter_alias.getCanonicalName(), 'abstract only') 

134 self.assertEqual(['abstract'], sorted(filter.getAliases())) 

135 

136 

137class MemoryTester(lsst.utils.tests.MemoryTestCase): 

138 pass 

139 

140 

141def setup_module(module): 

142 lsst.utils.tests.init() 

143 

144 

145if __name__ == '__main__': 145 ↛ 146line 145 didn't jump to line 146, because the condition on line 145 was never true

146 lsst.utils.tests.init() 

147 unittest.main()