Coverage for tests/test_configurableField.py: 30%

85 statements  

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1# This file is part of pex_config. 

2# 

3# Developed for the LSST Data Management System. 

4# This product includes software developed by the LSST Project 

5# (http://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 software is dual licensed under the GNU General Public License and also 

10# under a 3-clause BSD license. Recipients may choose which of these licenses 

11# to use; please see the files gpl-3.0.txt and/or bsd_license.txt, 

12# respectively. If you choose the GPL option then the following text applies 

13# (but note that there is still no warranty even if you opt for BSD instead): 

14# 

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

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

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

18# (at your option) any later version. 

19# 

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

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

22# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 

23# GNU General Public License for more details. 

24# 

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

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

27 

28import os 

29import pickle 

30import unittest 

31 

32import lsst.pex.config as pexConf 

33 

34 

35class Config1(pexConf.Config): 

36 f = pexConf.Field("f", dtype=float, default=5, check=lambda x: x > 0) 

37 

38 

39class Target1: 

40 ConfigClass = Config1 

41 

42 def __init__(self, config): 

43 self.f = config.f 

44 

45 

46def Target2(config): 

47 return config.f 

48 

49 

50class Config2(pexConf.Config): 

51 c1 = pexConf.ConfigurableField("c1", target=Target1) 

52 c2 = pexConf.ConfigurableField("c2", target=Target2, ConfigClass=Config1, default=Config1(f=3)) 

53 

54 

55class ConfigurableFieldTest(unittest.TestCase): 

56 def testConstructor(self): 

57 try: 

58 

59 class BadTarget(pexConf.Config): 

60 d = pexConf.ConfigurableField("...", target=None) 

61 

62 except Exception: 

63 pass 

64 else: 

65 raise SyntaxError("Uncallable targets should not be allowed") 

66 

67 try: 

68 

69 class NoConfigClass(pexConf.Config): 

70 d = pexConf.ConfigurableField("...", target=Target2) 

71 

72 except Exception: 

73 pass 

74 else: 

75 raise SyntaxError("Missing ConfigClass should not be allowed") 

76 

77 try: 

78 

79 class BadConfigClass(pexConf.Config): 

80 d = pexConf.DictField("...", target=Target2, ConfigClass=Target2) 

81 

82 except Exception: 

83 pass 

84 else: 

85 raise SyntaxError("ConfigClass that are not subclasses of Config should not be allowed") 

86 

87 def testBasics(self): 

88 c = Config2() 

89 self.assertEqual(c.c1.f, 5) 

90 self.assertEqual(c.c2.f, 3) 

91 

92 self.assertEqual(type(c.c1.apply()), Target1) 

93 self.assertEqual(c.c1.apply().f, 5) 

94 self.assertEqual(c.c2.apply(), 3) 

95 

96 c.c2.retarget(Target1) 

97 self.assertEqual(c.c2.f, 3) 

98 self.assertEqual(type(c.c2.apply()), Target1) 

99 self.assertEqual(c.c2.apply().f, 3) 

100 

101 c.c1.f = 2 

102 self.assertEqual(c.c1.f, 2) 

103 self.assertRaises(pexConf.FieldValidationError, setattr, c.c1, "f", 0) 

104 

105 c.c1 = Config1(f=10) 

106 self.assertEqual(c.c1.f, 10) 

107 

108 c.c1 = Config1 

109 self.assertEqual(c.c1.f, 5) 

110 

111 f = Config2(**dict(c.items())) 

112 self.assertEqual(f.c1.f, c.c1.f) 

113 self.assertEqual(f.c1.target, c.c1.target) 

114 self.assertEqual(f.c2.target, c.c2.target) 

115 self.assertEqual(f.c2.f, c.c2.f) 

116 

117 c.c2.f = 1 

118 c.c1.f = 100 

119 f.update(**dict(c.items())) 

120 self.assertEqual(f.c1.f, c.c1.f) 

121 self.assertEqual(f.c1.target, c.c1.target) 

122 self.assertEqual(f.c2.target, c.c2.target) 

123 self.assertEqual(f.c2.f, c.c2.f) 

124 

125 def testValidate(self): 

126 c = Config2() 

127 self.assertRaises(pexConf.FieldValidationError, setattr, c.c1, "f", 0) 

128 

129 c.validate() 

130 

131 def testPersistence(self): 

132 c = Config2() 

133 c.c2.retarget(Target1) 

134 c.c2.f = 10 

135 c.save("test.py") 

136 

137 r = Config2() 

138 r.load("test.py") 

139 os.remove("test.py") 

140 

141 self.assertEqual(c.c2.f, r.c2.f) 

142 self.assertEqual(c.c2.target, r.c2.target) 

143 

144 def testNoPickle(self): 

145 """Test that pickle support is disabled for the proxy container.""" 

146 c = Config2() 

147 with self.assertRaises(pexConf.UnexpectedProxyUsageError): 

148 pickle.dumps(c.c2) 

149 

150 

151if __name__ == "__main__": 151 ↛ 152line 151 didn't jump to line 152, because the condition on line 151 was never true

152 unittest.main()