Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_genericpath.py @ 70817:dd775b1561ba

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Fix markup.
author Georg Brandl <georg@python.org>
date Tue, 14 Jun 2011 21:09:55 +0200
parents 3c9232a684ae
children 41658a4fb3cc d42811b93357
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1 """
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2 Tests common to genericpath, macpath, ntpath and posixpath
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3 """
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4
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5 import unittest
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6 from test import support
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7 import os
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8 import genericpath
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9 import sys
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10
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11
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12 def safe_rmdir(dirname):
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13 try:
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14 os.rmdir(dirname)
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15 except OSError:
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16 pass
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17
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18
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19 class GenericTest(unittest.TestCase):
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20 # The path module to be tested
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21 pathmodule = genericpath
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22 common_attributes = ['commonprefix', 'getsize', 'getatime', 'getctime',
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23 'getmtime', 'exists', 'isdir', 'isfile']
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24 attributes = []
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25
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26 def test_no_argument(self):
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27 for attr in self.common_attributes + self.attributes:
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28 with self.assertRaises(TypeError):
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29 getattr(self.pathmodule, attr)()
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30 raise self.fail("{}.{}() did not raise a TypeError"
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31 .format(self.pathmodule.__name__, attr))
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32
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33 def test_commonprefix(self):
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34 commonprefix = self.pathmodule.commonprefix
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35 self.assertEqual(
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36 commonprefix([]),
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37 ""
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38 )
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39 self.assertEqual(
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40 commonprefix(["/home/swenson/spam", "/home/swen/spam"]),
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41 "/home/swen"
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42 )
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43 self.assertEqual(
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44 commonprefix(["/home/swen/spam", "/home/swen/eggs"]),
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45 "/home/swen/"
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46 )
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47 self.assertEqual(
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48 commonprefix(["/home/swen/spam", "/home/swen/spam"]),
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49 "/home/swen/spam"
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50 )
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51 self.assertEqual(
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52 commonprefix(["home:swenson:spam", "home:swen:spam"]),
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53 "home:swen"
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54 )
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55 self.assertEqual(
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56 commonprefix([":home:swen:spam", ":home:swen:eggs"]),
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57 ":home:swen:"
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58 )
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59 self.assertEqual(
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60 commonprefix([":home:swen:spam", ":home:swen:spam"]),
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61 ":home:swen:spam"
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62 )
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63
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64 self.assertEqual(
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65 commonprefix([b"/home/swenson/spam", b"/home/swen/spam"]),
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66 b"/home/swen"
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67 )
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68 self.assertEqual(
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69 commonprefix([b"/home/swen/spam", b"/home/swen/eggs"]),
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70 b"/home/swen/"
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71 )
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72 self.assertEqual(
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73 commonprefix([b"/home/swen/spam", b"/home/swen/spam"]),
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74 b"/home/swen/spam"
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75 )
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76 self.assertEqual(
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77 commonprefix([b"home:swenson:spam", b"home:swen:spam"]),
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78 b"home:swen"
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79 )
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80 self.assertEqual(
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81 commonprefix([b":home:swen:spam", b":home:swen:eggs"]),
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82 b":home:swen:"
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83 )
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84 self.assertEqual(
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85 commonprefix([b":home:swen:spam", b":home:swen:spam"]),
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86 b":home:swen:spam"
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87 )
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88
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89 testlist = ['', 'abc', 'Xbcd', 'Xb', 'XY', 'abcd',
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90 'aXc', 'abd', 'ab', 'aX', 'abcX']
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91 for s1 in testlist:
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92 for s2 in testlist:
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93 p = commonprefix([s1, s2])
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94 self.assertTrue(s1.startswith(p))
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95 self.assertTrue(s2.startswith(p))
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96 if s1 != s2:
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97 n = len(p)
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98 self.assertNotEqual(s1[n:n+1], s2[n:n+1])
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99
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100 def test_getsize(self):
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101 f = open(support.TESTFN, "wb")
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102 try:
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103 f.write(b"foo")
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104 f.close()
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105 self.assertEqual(self.pathmodule.getsize(support.TESTFN), 3)
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106 finally:
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107 if not f.closed:
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108 f.close()
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109 support.unlink(support.TESTFN)
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110
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111 def test_time(self):
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112 f = open(support.TESTFN, "wb")
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113 try:
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114 f.write(b"foo")
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115 f.close()
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116 f = open(support.TESTFN, "ab")
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117 f.write(b"bar")
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118 f.close()
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119 f = open(support.TESTFN, "rb")
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120 d = f.read()
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121 f.close()
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122 self.assertEqual(d, b"foobar")
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124 self.assertLessEqual(
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125 self.pathmodule.getctime(support.TESTFN),
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126 self.pathmodule.getmtime(support.TESTFN)
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127 )
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128 finally:
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129 if not f.closed:
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130 f.close()
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131 support.unlink(support.TESTFN)
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132
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133 def test_exists(self):
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134 self.assertIs(self.pathmodule.exists(support.TESTFN), False)
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135 f = open(support.TESTFN, "wb")
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136 try:
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137 f.write(b"foo")
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138 f.close()
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139 self.assertIs(self.pathmodule.exists(support.TESTFN), True)
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140 if not self.pathmodule == genericpath:
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141 self.assertIs(self.pathmodule.lexists(support.TESTFN),
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142 True)
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143 finally:
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144 if not f.close():
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145 f.close()
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146 support.unlink(support.TESTFN)
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147
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148 def test_isdir(self):
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149 self.assertIs(self.pathmodule.isdir(support.TESTFN), False)
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150 f = open(support.TESTFN, "wb")
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151 try:
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152 f.write(b"foo")
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153 f.close()
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154 self.assertIs(self.pathmodule.isdir(support.TESTFN), False)
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155 os.remove(support.TESTFN)
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156 os.mkdir(support.TESTFN)
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157 self.assertIs(self.pathmodule.isdir(support.TESTFN), True)
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158 os.rmdir(support.TESTFN)
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159 finally:
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160 if not f.close():
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161 f.close()
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162 support.unlink(support.TESTFN)
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163 safe_rmdir(support.TESTFN)
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164
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165 def test_isfile(self):
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166 self.assertIs(self.pathmodule.isfile(support.TESTFN), False)
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167 f = open(support.TESTFN, "wb")
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168 try:
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169 f.write(b"foo")
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170 f.close()
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171 self.assertIs(self.pathmodule.isfile(support.TESTFN), True)
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172 os.remove(support.TESTFN)
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173 os.mkdir(support.TESTFN)
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174 self.assertIs(self.pathmodule.isfile(support.TESTFN), False)
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175 os.rmdir(support.TESTFN)
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176 finally:
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177 if not f.close():
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178 f.close()
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179 support.unlink(support.TESTFN)
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180 safe_rmdir(support.TESTFN)
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181
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182
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183 # Following TestCase is not supposed to be run from test_genericpath.
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184 # It is inherited by other test modules (macpath, ntpath, posixpath).
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185
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186 class CommonTest(GenericTest):
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187 # The path module to be tested
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188 pathmodule = None
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189 common_attributes = GenericTest.common_attributes + [
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190 # Properties
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191 'curdir', 'pardir', 'extsep', 'sep',
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192 'pathsep', 'defpath', 'altsep', 'devnull',
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193 # Methods
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194 'normcase', 'splitdrive', 'expandvars', 'normpath', 'abspath',
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195 'join', 'split', 'splitext', 'isabs', 'basename', 'dirname',
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196 'lexists', 'islink', 'ismount', 'expanduser', 'normpath', 'realpath',
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197 ]
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198
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199 def test_normcase(self):
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200 normcase = self.pathmodule.normcase
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201 # check that normcase() is idempotent
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202 for p in ["FoO/./BaR", b"FoO/./BaR"]:
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203 p = normcase(p)
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204 self.assertEqual(p, normcase(p))
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205
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206 self.assertEqual(normcase(''), '')
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207 self.assertEqual(normcase(b''), b'')
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208
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209 # check that normcase raises a TypeError for invalid types
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210 for path in (None, True, 0, 2.5, [], bytearray(b''), {'o','o'}):
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211 self.assertRaises(TypeError, normcase, path)
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212
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213 def test_splitdrive(self):
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214 # splitdrive for non-NT paths
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215 splitdrive = self.pathmodule.splitdrive
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216 self.assertEqual(splitdrive("/foo/bar"), ("", "/foo/bar"))
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217 self.assertEqual(splitdrive("foo:bar"), ("", "foo:bar"))
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218 self.assertEqual(splitdrive(":foo:bar"), ("", ":foo:bar"))
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219
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220 self.assertEqual(splitdrive(b"/foo/bar"), (b"", b"/foo/bar"))
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221 self.assertEqual(splitdrive(b"foo:bar"), (b"", b"foo:bar"))
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222 self.assertEqual(splitdrive(b":foo:bar"), (b"", b":foo:bar"))
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223
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224 def test_expandvars(self):
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225 if self.pathmodule.__name__ == 'macpath':
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226 self.skipTest('macpath.expandvars is a stub')
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227 expandvars = self.pathmodule.expandvars
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228 with support.EnvironmentVarGuard() as env:
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229 env.clear()
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230 env["foo"] = "bar"
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231 env["{foo"] = "baz1"
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232 env["{foo}"] = "baz2"
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233 self.assertEqual(expandvars("foo"), "foo")
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234 self.assertEqual(expandvars("$foo bar"), "bar bar")
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235 self.assertEqual(expandvars("${foo}bar"), "barbar")
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236 self.assertEqual(expandvars("$[foo]bar"), "$[foo]bar")
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237 self.assertEqual(expandvars("$bar bar"), "$bar bar")
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238 self.assertEqual(expandvars("$?bar"), "$?bar")
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239 self.assertEqual(expandvars("${foo}bar"), "barbar")
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240 self.assertEqual(expandvars("$foo}bar"), "bar}bar")
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241 self.assertEqual(expandvars("${foo"), "${foo")
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242 self.assertEqual(expandvars("${{foo}}"), "baz1}")
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243 self.assertEqual(expandvars("$foo$foo"), "barbar")
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244 self.assertEqual(expandvars("$bar$bar"), "$bar$bar")
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245
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246 self.assertEqual(expandvars(b"foo"), b"foo")
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247 self.assertEqual(expandvars(b"$foo bar"), b"bar bar")
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248 self.assertEqual(expandvars(b"${foo}bar"), b"barbar")
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249 self.assertEqual(expandvars(b"$[foo]bar"), b"$[foo]bar")
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250 self.assertEqual(expandvars(b"$bar bar"), b"$bar bar")
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251 self.assertEqual(expandvars(b"$?bar"), b"$?bar")
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252 self.assertEqual(expandvars(b"${foo}bar"), b"barbar")
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253 self.assertEqual(expandvars(b"$foo}bar"), b"bar}bar")
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254 self.assertEqual(expandvars(b"${foo"), b"${foo")
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255 self.assertEqual(expandvars(b"${{foo}}"), b"baz1}")
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256 self.assertEqual(expandvars(b"$foo$foo"), b"barbar")
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257 self.assertEqual(expandvars(b"$bar$bar"), b"$bar$bar")
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258
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259 def test_abspath(self):
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260 self.assertIn("foo", self.pathmodule.abspath("foo"))
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261 self.assertIn(b"foo", self.pathmodule.abspath(b"foo"))
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262
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263 # Abspath returns bytes when the arg is bytes
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264 for path in (b'', b'foo', b'f\xf2\xf2', b'/foo', b'C:\\'):
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265 self.assertIsInstance(self.pathmodule.abspath(path), bytes)
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266
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267 def test_realpath(self):
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268 self.assertIn("foo", self.pathmodule.realpath("foo"))
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269 self.assertIn(b"foo", self.pathmodule.realpath(b"foo"))
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270
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271 def test_normpath_issue5827(self):
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272 # Make sure normpath preserves unicode
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273 for path in ('', '.', '/', '\\', '///foo/.//bar//'):
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274 self.assertIsInstance(self.pathmodule.normpath(path), str)
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275
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276 def test_abspath_issue3426(self):
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277 # Check that abspath returns unicode when the arg is unicode
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278 # with both ASCII and non-ASCII cwds.
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279 abspath = self.pathmodule.abspath
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280 for path in ('', 'fuu', 'f\xf9\xf9', '/fuu', 'U:\\'):
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281 self.assertIsInstance(abspath(path), str)
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282
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283 unicwd = '\xe7w\xf0'
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284 try:
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285 fsencoding = support.TESTFN_ENCODING or "ascii"
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286 unicwd.encode(fsencoding)
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287 except (AttributeError, UnicodeEncodeError):
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288 # FS encoding is probably ASCII
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289 pass
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290 else:
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291 with support.temp_cwd(unicwd):
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292 for path in ('', 'fuu', 'f\xf9\xf9', '/fuu', 'U:\\'):
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293 self.assertIsInstance(abspath(path), str)
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294
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295 @unittest.skipIf(sys.platform == 'darwin',
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296 "Mac OS X denies the creation of a directory with an invalid utf8 name")
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297 def test_nonascii_abspath(self):
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298 # Test non-ASCII, non-UTF8 bytes in the path.
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299 with support.temp_cwd(b'\xe7w\xf0'):
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300 self.test_abspath()
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301
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302
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303 def test_main():
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304 support.run_unittest(GenericTest)
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305
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306
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307 if __name__=="__main__":
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308 test_main()