1 """ 2 Tests common to genericpath, macpath, ntpath and posixpath 3 """ 4 5 import unittest 6 from test import test_support 7 import os 8 import genericpath 9 import sys 10 11 12 def safe_rmdir(dirname): 13 try: 14 os.rmdir(dirname) 15 except OSError: 16 pass 17 18 19 class GenericTest(unittest.TestCase): 20 # The path module to be tested 21 pathmodule = genericpath 22 common_attributes = ['commonprefix', 'getsize', 'getatime', 'getctime', 23 'getmtime', 'exists', 'isdir', 'isfile'] 24 attributes = [] 25 26 def test_no_argument(self): 27 for attr in self.common_attributes + self.attributes: 28 with self.assertRaises(TypeError): 29 getattr(self.pathmodule, attr)() 30 raise self.fail("{}.{}() did not raise a TypeError" 31 .format(self.pathmodule.__name__, attr)) 32 33 def test_commonprefix(self): 34 commonprefix = self.pathmodule.commonprefix 35 self.assertEqual( 36 commonprefix([]), 37 "" 38 ) 39 self.assertEqual( 40 commonprefix(["/home/swenson/spam", "/home/swen/spam"]), 41 "/home/swen" 42 ) 43 self.assertEqual( 44 commonprefix(["/home/swen/spam", "/home/swen/eggs"]), 45 "/home/swen/" 46 ) 47 self.assertEqual( 48 commonprefix(["/home/swen/spam", "/home/swen/spam"]), 49 "/home/swen/spam" 50 ) 51 self.assertEqual( 52 commonprefix(["home:swenson:spam", "home:swen:spam"]), 53 "home:swen" 54 ) 55 self.assertEqual( 56 commonprefix([":home:swen:spam", ":home:swen:eggs"]), 57 ":home:swen:" 58 ) 59 self.assertEqual( 60 commonprefix([":home:swen:spam", ":home:swen:spam"]), 61 ":home:swen:spam" 62 ) 63 64 testlist = ['', 'abc', 'Xbcd', 'Xb', 'XY', 'abcd', 65 'aXc', 'abd', 'ab', 'aX', 'abcX'] 66 for s1 in testlist: 67 for s2 in testlist: 68 p = commonprefix([s1, s2]) 69 self.assertTrue(s1.startswith(p)) 70 self.assertTrue(s2.startswith(p)) 71 if s1 != s2: 72 n = len(p) 73 self.assertNotEqual(s1[n:n+1], s2[n:n+1]) 74 75 def test_getsize(self): 76 f = open(test_support.TESTFN, "wb") 77 try: 78 f.write("foo") 79 f.close() 80 self.assertEqual(self.pathmodule.getsize(test_support.TESTFN), 3) 81 finally: 82 if not f.closed: 83 f.close() 84 test_support.unlink(test_support.TESTFN) 85 86 def test_time(self): 87 f = open(test_support.TESTFN, "wb") 88 try: 89 f.write("foo") 90 f.close() 91 f = open(test_support.TESTFN, "ab") 92 f.write("bar") 93 f.close() 94 f = open(test_support.TESTFN, "rb") 95 d = f.read() 96 f.close() 97 self.assertEqual(d, "foobar") 98 99 self.assertLessEqual( 100 self.pathmodule.getctime(test_support.TESTFN), 101 self.pathmodule.getmtime(test_support.TESTFN) 102 ) 103 finally: 104 if not f.closed: 105 f.close() 106 test_support.unlink(test_support.TESTFN) 107 108 def test_exists(self): 109 self.assertIs(self.pathmodule.exists(test_support.TESTFN), False) 110 f = open(test_support.TESTFN, "wb") 111 try: 112 f.write("foo") 113 f.close() 114 self.assertIs(self.pathmodule.exists(test_support.TESTFN), True) 115 if not self.pathmodule == genericpath: 116 self.assertIs(self.pathmodule.lexists(test_support.TESTFN), 117 True) 118 finally: 119 if not f.close(): 120 f.close() 121 test_support.unlink(test_support.TESTFN) 122 123 def test_isdir(self): 124 self.assertIs(self.pathmodule.isdir(test_support.TESTFN), False) 125 f = open(test_support.TESTFN, "wb") 126 try: 127 f.write("foo") 128 f.close() 129 self.assertIs(self.pathmodule.isdir(test_support.TESTFN), False) 130 os.remove(test_support.TESTFN) 131 os.mkdir(test_support.TESTFN) 132 self.assertIs(self.pathmodule.isdir(test_support.TESTFN), True) 133 os.rmdir(test_support.TESTFN) 134 finally: 135 if not f.close(): 136 f.close() 137 test_support.unlink(test_support.TESTFN) 138 safe_rmdir(test_support.TESTFN) 139 140 def test_isfile(self): 141 self.assertIs(self.pathmodule.isfile(test_support.TESTFN), False) 142 f = open(test_support.TESTFN, "wb") 143 try: 144 f.write("foo") 145 f.close() 146 self.assertIs(self.pathmodule.isfile(test_support.TESTFN), True) 147 os.remove(test_support.TESTFN) 148 os.mkdir(test_support.TESTFN) 149 self.assertIs(self.pathmodule.isfile(test_support.TESTFN), False) 150 os.rmdir(test_support.TESTFN) 151 finally: 152 if not f.close(): 153 f.close() 154 test_support.unlink(test_support.TESTFN) 155 safe_rmdir(test_support.TESTFN) 156 157 158 # Following TestCase is not supposed to be run from test_genericpath. 159 # It is inherited by other test modules (macpath, ntpath, posixpath). 160 161 class CommonTest(GenericTest): 162 # The path module to be tested 163 pathmodule = None 164 common_attributes = GenericTest.common_attributes + [ 165 # Properties 166 'curdir', 'pardir', 'extsep', 'sep', 167 'pathsep', 'defpath', 'altsep', 'devnull', 168 # Methods 169 'normcase', 'splitdrive', 'expandvars', 'normpath', 'abspath', 170 'join', 'split', 'splitext', 'isabs', 'basename', 'dirname', 171 'lexists', 'islink', 'ismount', 'expanduser', 'normpath', 'realpath', 172 ] 173 174 def test_normcase(self): 175 # Check that normcase() is idempotent 176 p = "FoO/./BaR" 177 p = self.pathmodule.normcase(p) 178 self.assertEqual(p, self.pathmodule.normcase(p)) 179 180 def test_splitdrive(self): 181 # splitdrive for non-NT paths 182 splitdrive = self.pathmodule.splitdrive 183 self.assertEqual(splitdrive("/foo/bar"), ("", "/foo/bar")) 184 self.assertEqual(splitdrive("foo:bar"), ("", "foo:bar")) 185 self.assertEqual(splitdrive(":foo:bar"), ("", ":foo:bar")) 186 187 def test_expandvars(self): 188 if self.pathmodule.__name__ == 'macpath': 189 self.skipTest('macpath.expandvars is a stub') 190 expandvars = self.pathmodule.expandvars 191 with test_support.EnvironmentVarGuard() as env: 192 env.clear() 193 env["foo"] = "bar" 194 env["{foo"] = "baz1" 195 env["{foo}"] = "baz2" 196 self.assertEqual(expandvars("foo"), "foo") 197 self.assertEqual(expandvars("$foo bar"), "bar bar") 198 self.assertEqual(expandvars("${foo}bar"), "barbar") 199 self.assertEqual(expandvars("$[foo]bar"), "$[foo]bar") 200 self.assertEqual(expandvars("$bar bar"), "$bar bar") 201 self.assertEqual(expandvars("$?bar"), "$?bar") 202 self.assertEqual(expandvars("${foo}bar"), "barbar") 203 self.assertEqual(expandvars("$foo}bar"), "bar}bar") 204 self.assertEqual(expandvars("${foo"), "${foo") 205 self.assertEqual(expandvars("${{foo}}"), "baz1}") 206 self.assertEqual(expandvars("$foo$foo"), "barbar") 207 self.assertEqual(expandvars("$bar$bar"), "$bar$bar") 208 209 def test_abspath(self): 210 self.assertIn("foo", self.pathmodule.abspath("foo")) 211 212 # Abspath returns bytes when the arg is bytes 213 for path in ('', 'foo', 'f\xf2\xf2', '/foo', 'C:\\'): 214 self.assertIsInstance(self.pathmodule.abspath(path), str) 215 216 def test_realpath(self): 217 self.assertIn("foo", self.pathmodule.realpath("foo")) 218 219 def test_normpath_issue5827(self): 220 # Make sure normpath preserves unicode 221 for path in (u'', u'.', u'/', u'\\', u'///foo/.//bar//'): 222 self.assertIsInstance(self.pathmodule.normpath(path), unicode) 223 224 def test_abspath_issue3426(self): 225 # Check that abspath returns unicode when the arg is unicode 226 # with both ASCII and non-ASCII cwds. 227 abspath = self.pathmodule.abspath 228 for path in (u'', u'fuu', u'f\xf9\xf9', u'/fuu', u'U:\\'): 229 self.assertIsInstance(abspath(path), unicode) 230 231 unicwd = u'\xe7w\xf0' 232 try: 233 fsencoding = test_support.TESTFN_ENCODING or "ascii" 234 unicwd.encode(fsencoding) 235 except (AttributeError, UnicodeEncodeError): 236 # FS encoding is probably ASCII 237 pass 238 else: 239 with test_support.temp_cwd(unicwd): 240 for path in (u'', u'fuu', u'f\xf9\xf9', u'/fuu', u'U:\\'): 241 self.assertIsInstance(abspath(path), unicode) 242 243 @unittest.skipIf(sys.platform == 'darwin', 244 "Mac OS X denies the creation of a directory with an invalid utf8 name") 245 def test_nonascii_abspath(self): 246 # Test non-ASCII, non-UTF8 bytes in the path. 247 with test_support.temp_cwd('\xe7w\xf0'): 248 self.test_abspath() 249 250 251 def test_main(): 252 test_support.run_unittest(GenericTest) 253 254 255 if __name__=="__main__": 256 test_main() 257
