Coverage for tests/test_listField.py: 20%

103 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 pickle 

29import unittest 

30 

31import lsst.pex.config as pexConfig 

32 

33 

34def isSorted(theList): 

35 """Determine if a list is sorted.""" 

36 if len(theList) <= 1: 

37 return True 

38 

39 p = theList[0] 

40 for x in theList[1:]: 

41 if x < p: 

42 return False 

43 p = x 

44 return True 

45 

46 

47def isPositive(x): 

48 """Determine if an integer is positive.""" 

49 return x > 0 

50 

51 

52class Config1(pexConfig.Config): 

53 """First test config.""" 

54 

55 l1 = pexConfig.ListField("l1", int, minLength=2, maxLength=5, default=[1, 2, 3], itemCheck=isPositive) 

56 l2 = pexConfig.ListField("l2", int, length=3, default=[1, 2, 3], listCheck=isSorted, itemCheck=isPositive) 

57 l3 = pexConfig.ListField("l3", int, length=3, default=None, optional=True, itemCheck=isPositive) 

58 l4 = pexConfig.ListField("l4", int, length=3, default=None, itemCheck=isPositive) 

59 

60 

61class Config2(pexConfig.Config): 

62 """Second test config.""" 

63 

64 lf = pexConfig.ListField("lf", float, default=[1, 2, 3]) 

65 ls = pexConfig.ListField("ls", str, default=["hi"]) 

66 

67 

68class ListFieldTest(unittest.TestCase): 

69 """Test ListField.""" 

70 

71 def testConstructor(self): 

72 try: 

73 

74 class BadDtype(pexConfig.Config): 

75 ll = pexConfig.ListField("...", list) 

76 

77 except Exception: 

78 pass 

79 else: 

80 raise SyntaxError("Unsupported dtype ListFields should not be allowed") 

81 

82 try: 

83 

84 class BadLengths(pexConfig.Config): 

85 ll = pexConfig.ListField("...", int, minLength=4, maxLength=2) 

86 

87 except ValueError: 

88 pass 

89 else: 

90 raise SyntaxError("minLnegth <= maxLength should not be allowed") 

91 

92 try: 

93 

94 class BadLength(pexConfig.Config): 

95 ll = pexConfig.ListField("...", int, length=-1) 

96 

97 except Exception: 

98 pass 

99 else: 

100 raise SyntaxError("negative length should not be allowed") 

101 

102 try: 

103 

104 class BadLength2(pexConfig.Config): 

105 ll = pexConfig.ListField("...", int, maxLength=-1) 

106 

107 except Exception: 

108 pass 

109 else: 

110 raise SyntaxError("negative max length should not be allowed") 

111 

112 def testAssignment(self): 

113 c = Config1() 

114 self.assertRaises(pexConfig.FieldValidationError, setattr, c, "l1", [1.2, 3, 4]) 

115 self.assertRaises(pexConfig.FieldValidationError, setattr, c, "l1", [-1, -2, -3]) 

116 self.assertRaises(pexConfig.FieldValidationError, setattr, c, "l1", [1, 2, 0]) 

117 self.assertRaises(pexConfig.FieldValidationError, setattr, c, "l1", [1, 2, None]) 

118 c.l1 = None 

119 c.l1 = [1, 1] 

120 c.l1 = [1, 1, 1] 

121 c.l1 = [1, 1, 1, 1] 

122 c.l1 = [1, 1, 1, 1, 1] 

123 

124 self.assertRaises(pexConfig.FieldValidationError, setattr, c, "l2", [1, 2, None]) 

125 c.l2 = None 

126 c.l2 = [1, 2, 3] 

127 

128 self.assertRaises(pexConfig.FieldValidationError, setattr, c, "l3", [0, 3, 2]) 

129 self.assertRaises(pexConfig.FieldValidationError, setattr, c, "l3", [1, 2, None]) 

130 c.l3 = None 

131 c.l3 = [1, 1, 1] 

132 

133 self.assertRaises(pexConfig.FieldValidationError, setattr, c, "l4", [0, 3, 2]) 

134 self.assertRaises(pexConfig.FieldValidationError, setattr, c, "l4", [1, 2, None]) 

135 c.l4 = None 

136 c.l4 = [1, 1, 1] 

137 

138 def testValidate(self): 

139 c = Config1() 

140 self.assertRaises(pexConfig.FieldValidationError, Config1.validate, c) 

141 

142 c.l4 = [1, 2, 3] 

143 c.validate() 

144 

145 def testInPlaceModification(self): 

146 c = Config1() 

147 self.assertRaises(pexConfig.FieldValidationError, c.l1.__setitem__, 2, 0) 

148 c.l1[2] = 10 

149 self.assertEqual(c.l1, [1, 2, 10]) 

150 self.assertEqual((1, 2, 10), c.l1) 

151 

152 c.l1.insert(2, 20) 

153 self.assertEqual(c.l1, [1, 2, 20, 10]) 

154 c.l1.append(30) 

155 self.assertEqual(c.l1, [1, 2, 20, 10, 30]) 

156 c.l1.extend([4, 5, 6]) 

157 self.assertEqual(c.l1, [1, 2, 20, 10, 30, 4, 5, 6]) 

158 

159 def testCastAndTypes(self): 

160 c = Config2() 

161 self.assertEqual(c.lf, [1.0, 2.0, 3.0]) 

162 

163 c.lf[2] = 10 

164 self.assertEqual(c.lf, [1.0, 2.0, 10.0]) 

165 

166 c.ls.append("foo") 

167 self.assertEqual(c.ls, ["hi", "foo"]) 

168 

169 def testNoArbitraryAttributes(self): 

170 c = Config1() 

171 self.assertRaises(pexConfig.FieldValidationError, setattr, c.l1, "should", "fail") 

172 

173 def testNoPickle(self): 

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

175 c = Config2() 

176 with self.assertRaises(pexConfig.UnexpectedProxyUsageError): 

177 pickle.dumps(c.ls) 

178 

179 

180if __name__ == "__main__": 180 ↛ 181line 180 didn't jump to line 181, because the condition on line 180 was never true

181 unittest.main()