Coverage for tests/test_configurableField.py: 30%

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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 

30 

31import lsst.pex.config as pexConf 

32 

33 

34class Config1(pexConf.Config): 

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

36 

37 

38class Target1: 

39 ConfigClass = Config1 

40 

41 def __init__(self, config): 

42 self.f = config.f 

43 

44 

45def Target2(config): 

46 return config.f 

47 

48 

49class Config2(pexConf.Config): 

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

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

52 

53 

54class ConfigurableFieldTest(unittest.TestCase): 

55 def testConstructor(self): 

56 try: 

57 

58 class BadTarget(pexConf.Config): 

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

60 

61 except Exception: 

62 pass 

63 else: 

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

65 

66 try: 

67 

68 class NoConfigClass(pexConf.Config): 

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

70 

71 except Exception: 

72 pass 

73 else: 

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

75 

76 try: 

77 

78 class BadConfigClass(pexConf.Config): 

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

80 

81 except Exception: 

82 pass 

83 else: 

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

85 

86 def testBasics(self): 

87 c = Config2() 

88 self.assertEqual(c.c1.f, 5) 

89 self.assertEqual(c.c2.f, 3) 

90 

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

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

93 self.assertEqual(c.c2.apply(), 3) 

94 

95 c.c2.retarget(Target1) 

96 self.assertEqual(c.c2.f, 3) 

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

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

99 

100 c.c1.f = 2 

101 self.assertEqual(c.c1.f, 2) 

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

103 

104 c.c1 = Config1(f=10) 

105 self.assertEqual(c.c1.f, 10) 

106 

107 c.c1 = Config1 

108 self.assertEqual(c.c1.f, 5) 

109 

110 f = Config2(**dict(c.items())) 

111 self.assertEqual(f.c1.f, c.c1.f) 

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

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

114 self.assertEqual(f.c2.f, c.c2.f) 

115 

116 c.c2.f = 1 

117 c.c1.f = 100 

118 f.update(**dict(c.items())) 

119 self.assertEqual(f.c1.f, c.c1.f) 

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

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

122 self.assertEqual(f.c2.f, c.c2.f) 

123 

124 def testValidate(self): 

125 c = Config2() 

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

127 

128 c.validate() 

129 

130 def testPersistence(self): 

131 c = Config2() 

132 c.c2.retarget(Target1) 

133 c.c2.f = 10 

134 c.save("test.py") 

135 

136 r = Config2() 

137 r.load("test.py") 

138 os.remove("test.py") 

139 

140 self.assertEqual(c.c2.f, r.c2.f) 

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

142 

143 

144if __name__ == "__main__": 144 ↛ 145line 144 didn't jump to line 145, because the condition on line 144 was never true

145 unittest.main()