Coverage for tests/test_configurableField.py: 25%

80 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 unittest 

30import lsst.pex.config as pexConf 

31 

32 

33class Config1(pexConf.Config): 

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

35 

36 

37class Target1: 

38 ConfigClass = Config1 

39 

40 def __init__(self, config): 

41 self.f = config.f 

42 

43 

44def Target2(config): 

45 return config.f 

46 

47 

48class Config2(pexConf.Config): 

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

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

51 

52 

53class ConfigurableFieldTest(unittest.TestCase): 

54 def testConstructor(self): 

55 try: 

56 class BadTarget(pexConf.Config): 

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

58 except Exception: 

59 pass 

60 else: 

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

62 

63 try: 

64 class NoConfigClass(pexConf.Config): 

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

66 except Exception: 

67 pass 

68 else: 

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

70 

71 try: 

72 class BadConfigClass(pexConf.Config): 

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

74 except Exception: 

75 pass 

76 else: 

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

78 

79 def testBasics(self): 

80 c = Config2() 

81 self.assertEqual(c.c1.f, 5) 

82 self.assertEqual(c.c2.f, 3) 

83 

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

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

86 self.assertEqual(c.c2.apply(), 3) 

87 

88 c.c2.retarget(Target1) 

89 self.assertEqual(c.c2.f, 3) 

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

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

92 

93 c.c1.f = 2 

94 self.assertEqual(c.c1.f, 2) 

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

96 

97 c.c1 = Config1(f=10) 

98 self.assertEqual(c.c1.f, 10) 

99 

100 c.c1 = Config1 

101 self.assertEqual(c.c1.f, 5) 

102 

103 f = Config2(**dict(c.items())) 

104 self.assertEqual(f.c1.f, c.c1.f) 

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

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

107 self.assertEqual(f.c2.f, c.c2.f) 

108 

109 c.c2.f = 1 

110 c.c1.f = 100 

111 f.update(**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 def testValidate(self): 

118 c = Config2() 

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

120 

121 c.validate() 

122 

123 def testPersistence(self): 

124 c = Config2() 

125 c.c2.retarget(Target1) 

126 c.c2.f = 10 

127 c.save("test.py") 

128 

129 r = Config2() 

130 r.load("test.py") 

131 os.remove("test.py") 

132 

133 self.assertEqual(c.c2.f, r.c2.f) 

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

135 

136 

137if __name__ == "__main__": 137 ↛ 138line 137 didn't jump to line 138, because the condition on line 137 was never true

138 unittest.main()