1 from unittest import TestCase 2 from test import test_support 3 import uuid 4 5 def importable(name): 6 try: 7 __import__(name) 8 return True 9 except: 10 return False 11 12 class TestUUID(TestCase): 13 last_node = None 14 source2node = {} 15 16 def test_UUID(self): 17 equal = self.assertEqual 18 ascending = [] 19 for (string, curly, hex, bytes, bytes_le, fields, integer, urn, 20 time, clock_seq, variant, version) in [ 21 ('00000000-0000-0000-0000-000000000000', 22 '{00000000-0000-0000-0000-000000000000}', 23 '00000000000000000000000000000000', 24 '\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0', 25 '\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0', 26 (0, 0, 0, 0, 0, 0), 27 0, 28 'urn:uuid:00000000-0000-0000-0000-000000000000', 29 0, 0, uuid.RESERVED_NCS, None), 30 ('00010203-0405-0607-0809-0a0b0c0d0e0f', 31 '{00010203-0405-0607-0809-0a0b0c0d0e0f}', 32 '000102030405060708090a0b0c0d0e0f', 33 '\0\x01\x02\x03\x04\x05\x06\x07\x08\t\n\x0b\x0c\x0d\x0e\x0f', 34 '\x03\x02\x01\0\x05\x04\x07\x06\x08\t\n\x0b\x0c\x0d\x0e\x0f', 35 (0x00010203L, 0x0405, 0x0607, 8, 9, 0x0a0b0c0d0e0fL), 36 0x000102030405060708090a0b0c0d0e0fL, 37 'urn:uuid:00010203-0405-0607-0809-0a0b0c0d0e0f', 38 0x607040500010203L, 0x809, uuid.RESERVED_NCS, None), 39 ('02d9e6d5-9467-382e-8f9b-9300a64ac3cd', 40 '{02d9e6d5-9467-382e-8f9b-9300a64ac3cd}', 41 '02d9e6d59467382e8f9b9300a64ac3cd', 42 '\x02\xd9\xe6\xd5\x94\x67\x38\x2e\x8f\x9b\x93\x00\xa6\x4a\xc3\xcd', 43 '\xd5\xe6\xd9\x02\x67\x94\x2e\x38\x8f\x9b\x93\x00\xa6\x4a\xc3\xcd', 44 (0x02d9e6d5L, 0x9467, 0x382e, 0x8f, 0x9b, 0x9300a64ac3cdL), 45 0x02d9e6d59467382e8f9b9300a64ac3cdL, 46 'urn:uuid:02d9e6d5-9467-382e-8f9b-9300a64ac3cd', 47 0x82e946702d9e6d5L, 0xf9b, uuid.RFC_4122, 3), 48 ('12345678-1234-5678-1234-567812345678', 49 '{12345678-1234-5678-1234-567812345678}', 50 '12345678123456781234567812345678', 51 '\x12\x34\x56\x78'*4, 52 '\x78\x56\x34\x12\x34\x12\x78\x56\x12\x34\x56\x78\x12\x34\x56\x78', 53 (0x12345678, 0x1234, 0x5678, 0x12, 0x34, 0x567812345678), 54 0x12345678123456781234567812345678, 55 'urn:uuid:12345678-1234-5678-1234-567812345678', 56 0x678123412345678L, 0x1234, uuid.RESERVED_NCS, None), 57 ('6ba7b810-9dad-11d1-80b4-00c04fd430c8', 58 '{6ba7b810-9dad-11d1-80b4-00c04fd430c8}', 59 '6ba7b8109dad11d180b400c04fd430c8', 60 '\x6b\xa7\xb8\x10\x9d\xad\x11\xd1\x80\xb4\x00\xc0\x4f\xd4\x30\xc8', 61 '\x10\xb8\xa7\x6b\xad\x9d\xd1\x11\x80\xb4\x00\xc0\x4f\xd4\x30\xc8', 62 (0x6ba7b810L, 0x9dad, 0x11d1, 0x80, 0xb4, 0x00c04fd430c8L), 63 0x6ba7b8109dad11d180b400c04fd430c8L, 64 'urn:uuid:6ba7b810-9dad-11d1-80b4-00c04fd430c8', 65 0x1d19dad6ba7b810L, 0xb4, uuid.RFC_4122, 1), 66 ('6ba7b811-9dad-11d1-80b4-00c04fd430c8', 67 '{6ba7b811-9dad-11d1-80b4-00c04fd430c8}', 68 '6ba7b8119dad11d180b400c04fd430c8', 69 '\x6b\xa7\xb8\x11\x9d\xad\x11\xd1\x80\xb4\x00\xc0\x4f\xd4\x30\xc8', 70 '\x11\xb8\xa7\x6b\xad\x9d\xd1\x11\x80\xb4\x00\xc0\x4f\xd4\x30\xc8', 71 (0x6ba7b811L, 0x9dad, 0x11d1, 0x80, 0xb4, 0x00c04fd430c8L), 72 0x6ba7b8119dad11d180b400c04fd430c8L, 73 'urn:uuid:6ba7b811-9dad-11d1-80b4-00c04fd430c8', 74 0x1d19dad6ba7b811L, 0xb4, uuid.RFC_4122, 1), 75 ('6ba7b812-9dad-11d1-80b4-00c04fd430c8', 76 '{6ba7b812-9dad-11d1-80b4-00c04fd430c8}', 77 '6ba7b8129dad11d180b400c04fd430c8', 78 '\x6b\xa7\xb8\x12\x9d\xad\x11\xd1\x80\xb4\x00\xc0\x4f\xd4\x30\xc8', 79 '\x12\xb8\xa7\x6b\xad\x9d\xd1\x11\x80\xb4\x00\xc0\x4f\xd4\x30\xc8', 80 (0x6ba7b812L, 0x9dad, 0x11d1, 0x80, 0xb4, 0x00c04fd430c8L), 81 0x6ba7b8129dad11d180b400c04fd430c8L, 82 'urn:uuid:6ba7b812-9dad-11d1-80b4-00c04fd430c8', 83 0x1d19dad6ba7b812L, 0xb4, uuid.RFC_4122, 1), 84 ('6ba7b814-9dad-11d1-80b4-00c04fd430c8', 85 '{6ba7b814-9dad-11d1-80b4-00c04fd430c8}', 86 '6ba7b8149dad11d180b400c04fd430c8', 87 '\x6b\xa7\xb8\x14\x9d\xad\x11\xd1\x80\xb4\x00\xc0\x4f\xd4\x30\xc8', 88 '\x14\xb8\xa7\x6b\xad\x9d\xd1\x11\x80\xb4\x00\xc0\x4f\xd4\x30\xc8', 89 (0x6ba7b814L, 0x9dad, 0x11d1, 0x80, 0xb4, 0x00c04fd430c8L), 90 0x6ba7b8149dad11d180b400c04fd430c8L, 91 'urn:uuid:6ba7b814-9dad-11d1-80b4-00c04fd430c8', 92 0x1d19dad6ba7b814L, 0xb4, uuid.RFC_4122, 1), 93 ('7d444840-9dc0-11d1-b245-5ffdce74fad2', 94 '{7d444840-9dc0-11d1-b245-5ffdce74fad2}', 95 '7d4448409dc011d1b2455ffdce74fad2', 96 '\x7d\x44\x48\x40\x9d\xc0\x11\xd1\xb2\x45\x5f\xfd\xce\x74\xfa\xd2', 97 '\x40\x48\x44\x7d\xc0\x9d\xd1\x11\xb2\x45\x5f\xfd\xce\x74\xfa\xd2', 98 (0x7d444840L, 0x9dc0, 0x11d1, 0xb2, 0x45, 0x5ffdce74fad2L), 99 0x7d4448409dc011d1b2455ffdce74fad2L, 100 'urn:uuid:7d444840-9dc0-11d1-b245-5ffdce74fad2', 101 0x1d19dc07d444840L, 0x3245, uuid.RFC_4122, 1), 102 ('e902893a-9d22-3c7e-a7b8-d6e313b71d9f', 103 '{e902893a-9d22-3c7e-a7b8-d6e313b71d9f}', 104 'e902893a9d223c7ea7b8d6e313b71d9f', 105 '\xe9\x02\x89\x3a\x9d\x22\x3c\x7e\xa7\xb8\xd6\xe3\x13\xb7\x1d\x9f', 106 '\x3a\x89\x02\xe9\x22\x9d\x7e\x3c\xa7\xb8\xd6\xe3\x13\xb7\x1d\x9f', 107 (0xe902893aL, 0x9d22, 0x3c7e, 0xa7, 0xb8, 0xd6e313b71d9fL), 108 0xe902893a9d223c7ea7b8d6e313b71d9fL, 109 'urn:uuid:e902893a-9d22-3c7e-a7b8-d6e313b71d9f', 110 0xc7e9d22e902893aL, 0x27b8, uuid.RFC_4122, 3), 111 ('eb424026-6f54-4ef8-a4d0-bb658a1fc6cf', 112 '{eb424026-6f54-4ef8-a4d0-bb658a1fc6cf}', 113 'eb4240266f544ef8a4d0bb658a1fc6cf', 114 '\xeb\x42\x40\x26\x6f\x54\x4e\xf8\xa4\xd0\xbb\x65\x8a\x1f\xc6\xcf', 115 '\x26\x40\x42\xeb\x54\x6f\xf8\x4e\xa4\xd0\xbb\x65\x8a\x1f\xc6\xcf', 116 (0xeb424026L, 0x6f54, 0x4ef8, 0xa4, 0xd0, 0xbb658a1fc6cfL), 117 0xeb4240266f544ef8a4d0bb658a1fc6cfL, 118 'urn:uuid:eb424026-6f54-4ef8-a4d0-bb658a1fc6cf', 119 0xef86f54eb424026L, 0x24d0, uuid.RFC_4122, 4), 120 ('f81d4fae-7dec-11d0-a765-00a0c91e6bf6', 121 '{f81d4fae-7dec-11d0-a765-00a0c91e6bf6}', 122 'f81d4fae7dec11d0a76500a0c91e6bf6', 123 '\xf8\x1d\x4f\xae\x7d\xec\x11\xd0\xa7\x65\x00\xa0\xc9\x1e\x6b\xf6', 124 '\xae\x4f\x1d\xf8\xec\x7d\xd0\x11\xa7\x65\x00\xa0\xc9\x1e\x6b\xf6', 125 (0xf81d4faeL, 0x7dec, 0x11d0, 0xa7, 0x65, 0x00a0c91e6bf6L), 126 0xf81d4fae7dec11d0a76500a0c91e6bf6L, 127 'urn:uuid:f81d4fae-7dec-11d0-a765-00a0c91e6bf6', 128 0x1d07decf81d4faeL, 0x2765, uuid.RFC_4122, 1), 129 ('fffefdfc-fffe-fffe-fffe-fffefdfcfbfa', 130 '{fffefdfc-fffe-fffe-fffe-fffefdfcfbfa}', 131 'fffefdfcfffefffefffefffefdfcfbfa', 132 '\xff\xfe\xfd\xfc\xff\xfe\xff\xfe\xff\xfe\xff\xfe\xfd\xfc\xfb\xfa', 133 '\xfc\xfd\xfe\xff\xfe\xff\xfe\xff\xff\xfe\xff\xfe\xfd\xfc\xfb\xfa', 134 (0xfffefdfcL, 0xfffe, 0xfffe, 0xff, 0xfe, 0xfffefdfcfbfaL), 135 0xfffefdfcfffefffefffefffefdfcfbfaL, 136 'urn:uuid:fffefdfc-fffe-fffe-fffe-fffefdfcfbfa', 137 0xffefffefffefdfcL, 0x3ffe, uuid.RESERVED_FUTURE, None), 138 ('ffffffff-ffff-ffff-ffff-ffffffffffff', 139 '{ffffffff-ffff-ffff-ffff-ffffffffffff}', 140 'ffffffffffffffffffffffffffffffff', 141 '\xff'*16, 142 '\xff'*16, 143 (0xffffffffL, 0xffffL, 0xffffL, 0xff, 0xff, 0xffffffffffffL), 144 0xffffffffffffffffffffffffffffffffL, 145 'urn:uuid:ffffffff-ffff-ffff-ffff-ffffffffffff', 146 0xfffffffffffffffL, 0x3fff, uuid.RESERVED_FUTURE, None), 147 ]: 148 equivalents = [] 149 # Construct each UUID in several different ways. 150 for u in [uuid.UUID(string), uuid.UUID(curly), uuid.UUID(hex), 151 uuid.UUID(bytes=bytes), uuid.UUID(bytes_le=bytes_le), 152 uuid.UUID(fields=fields), uuid.UUID(int=integer), 153 uuid.UUID(urn)]: 154 # Test all conversions and properties of the UUID object. 155 equal(str(u), string) 156 equal(int(u), integer) 157 equal(u.bytes, bytes) 158 equal(u.bytes_le, bytes_le) 159 equal(u.fields, fields) 160 equal(u.time_low, fields[0]) 161 equal(u.time_mid, fields[1]) 162 equal(u.time_hi_version, fields[2]) 163 equal(u.clock_seq_hi_variant, fields[3]) 164 equal(u.clock_seq_low, fields[4]) 165 equal(u.node, fields[5]) 166 equal(u.hex, hex) 167 equal(u.int, integer) 168 equal(u.urn, urn) 169 equal(u.time, time) 170 equal(u.clock_seq, clock_seq) 171 equal(u.variant, variant) 172 equal(u.version, version) 173 equivalents.append(u) 174 175 # Different construction methods should give the same UUID. 176 for u in equivalents: 177 for v in equivalents: 178 equal(u, v) 179 ascending.append(u) 180 181 # Test comparison of UUIDs. 182 for i in range(len(ascending)): 183 for j in range(len(ascending)): 184 equal(cmp(i, j), cmp(ascending[i], ascending[j])) 185 186 # Test sorting of UUIDs (above list is in ascending order). 187 resorted = ascending[:] 188 resorted.reverse() 189 resorted.sort() 190 equal(ascending, resorted) 191 192 def test_exceptions(self): 193 badvalue = lambda f: self.assertRaises(ValueError, f) 194 badtype = lambda f: self.assertRaises(TypeError, f) 195 196 # Badly formed hex strings. 197 badvalue(lambda: uuid.UUID('')) 198 badvalue(lambda: uuid.UUID('abc')) 199 badvalue(lambda: uuid.UUID('1234567812345678123456781234567')) 200 badvalue(lambda: uuid.UUID('123456781234567812345678123456789')) 201 badvalue(lambda: uuid.UUID('123456781234567812345678z2345678')) 202 203 # Badly formed bytes. 204 badvalue(lambda: uuid.UUID(bytes='abc')) 205 badvalue(lambda: uuid.UUID(bytes='\0'*15)) 206 badvalue(lambda: uuid.UUID(bytes='\0'*17)) 207 208 # Badly formed bytes_le. 209 badvalue(lambda: uuid.UUID(bytes_le='abc')) 210 badvalue(lambda: uuid.UUID(bytes_le='\0'*15)) 211 badvalue(lambda: uuid.UUID(bytes_le='\0'*17)) 212 213 # Badly formed fields. 214 badvalue(lambda: uuid.UUID(fields=(1,))) 215 badvalue(lambda: uuid.UUID(fields=(1, 2, 3, 4, 5))) 216 badvalue(lambda: uuid.UUID(fields=(1, 2, 3, 4, 5, 6, 7))) 217 218 # Field values out of range. 219 badvalue(lambda: uuid.UUID(fields=(-1, 0, 0, 0, 0, 0))) 220 badvalue(lambda: uuid.UUID(fields=(0x100000000L, 0, 0, 0, 0, 0))) 221 badvalue(lambda: uuid.UUID(fields=(0, -1, 0, 0, 0, 0))) 222 badvalue(lambda: uuid.UUID(fields=(0, 0x10000L, 0, 0, 0, 0))) 223 badvalue(lambda: uuid.UUID(fields=(0, 0, -1, 0, 0, 0))) 224 badvalue(lambda: uuid.UUID(fields=(0, 0, 0x10000L, 0, 0, 0))) 225 badvalue(lambda: uuid.UUID(fields=(0, 0, 0, -1, 0, 0))) 226 badvalue(lambda: uuid.UUID(fields=(0, 0, 0, 0x100L, 0, 0))) 227 badvalue(lambda: uuid.UUID(fields=(0, 0, 0, 0, -1, 0))) 228 badvalue(lambda: uuid.UUID(fields=(0, 0, 0, 0, 0x100L, 0))) 229 badvalue(lambda: uuid.UUID(fields=(0, 0, 0, 0, 0, -1))) 230 badvalue(lambda: uuid.UUID(fields=(0, 0, 0, 0, 0, 0x1000000000000L))) 231 232 # Version number out of range. 233 badvalue(lambda: uuid.UUID('00'*16, version=0)) 234 badvalue(lambda: uuid.UUID('00'*16, version=6)) 235 236 # Integer value out of range. 237 badvalue(lambda: uuid.UUID(int=-1)) 238 badvalue(lambda: uuid.UUID(int=1<<128L)) 239 240 # Must supply exactly one of hex, bytes, fields, int. 241 h, b, f, i = '00'*16, '\0'*16, (0, 0, 0, 0, 0, 0), 0 242 uuid.UUID(h) 243 uuid.UUID(hex=h) 244 uuid.UUID(bytes=b) 245 uuid.UUID(bytes_le=b) 246 uuid.UUID(fields=f) 247 uuid.UUID(int=i) 248 249 # Wrong number of arguments (positional). 250 badtype(lambda: uuid.UUID()) 251 badtype(lambda: uuid.UUID(h, b)) 252 badtype(lambda: uuid.UUID(h, b, b)) 253 badtype(lambda: uuid.UUID(h, b, b, f)) 254 badtype(lambda: uuid.UUID(h, b, b, f, i)) 255 256 # Duplicate arguments. 257 for hh in [[], [('hex', h)]]: 258 for bb in [[], [('bytes', b)]]: 259 for bble in [[], [('bytes_le', b)]]: 260 for ii in [[], [('int', i)]]: 261 for ff in [[], [('fields', f)]]: 262 args = dict(hh + bb + bble + ii + ff) 263 if len(args) != 0: 264 badtype(lambda: uuid.UUID(h, **args)) 265 if len(args) != 1: 266 badtype(lambda: uuid.UUID(**args)) 267 268 # Immutability. 269 u = uuid.UUID(h) 270 badtype(lambda: setattr(u, 'hex', h)) 271 badtype(lambda: setattr(u, 'bytes', b)) 272 badtype(lambda: setattr(u, 'bytes_le', b)) 273 badtype(lambda: setattr(u, 'fields', f)) 274 badtype(lambda: setattr(u, 'int', i)) 275 badtype(lambda: setattr(u, 'time_low', 0)) 276 badtype(lambda: setattr(u, 'time_mid', 0)) 277 badtype(lambda: setattr(u, 'time_hi_version', 0)) 278 badtype(lambda: setattr(u, 'time_hi_version', 0)) 279 badtype(lambda: setattr(u, 'clock_seq_hi_variant', 0)) 280 badtype(lambda: setattr(u, 'clock_seq_low', 0)) 281 badtype(lambda: setattr(u, 'node', 0)) 282 283 def check_node(self, node, source): 284 message = "%012x is not an RFC 4122 node ID" % node 285 self.assertTrue(0 < node, message) 286 self.assertTrue(node < (1L << 48), message) 287 288 TestUUID.source2node[source] = node 289 if TestUUID.last_node: 290 if TestUUID.last_node != node: 291 msg = "different sources disagree on node:\n" 292 for s, n in TestUUID.source2node.iteritems(): 293 msg += " from source %r, node was %012x\n" % (s, n) 294 # There's actually no reason to expect the MAC addresses 295 # to agree across various methods -- e.g., a box may have 296 # multiple network interfaces, and different ways of getting 297 # a MAC address may favor different HW. 298 ##self.fail(msg) 299 else: 300 TestUUID.last_node = node 301 302 def test_ifconfig_getnode(self): 303 import sys 304 import os 305 if os.name == 'posix': 306 node = uuid._ifconfig_getnode() 307 if node is not None: 308 self.check_node(node, 'ifconfig') 309 310 def test_ipconfig_getnode(self): 311 import os 312 if os.name == 'nt': 313 node = uuid._ipconfig_getnode() 314 if node is not None: 315 self.check_node(node, 'ipconfig') 316 317 def test_netbios_getnode(self): 318 if importable('win32wnet') and importable('netbios'): 319 self.check_node(uuid._netbios_getnode(), 'netbios') 320 321 def test_random_getnode(self): 322 node = uuid._random_getnode() 323 # Least significant bit of first octet must be set. 324 self.assertTrue(node & 0x010000000000) 325 self.assertTrue(node < (1L << 48)) 326 327 def test_unixdll_getnode(self): 328 import sys 329 import os 330 if importable('ctypes') and os.name == 'posix': 331 try: # Issues 1481, 3581: _uuid_generate_time() might be None. 332 self.check_node(uuid._unixdll_getnode(), 'unixdll') 333 except TypeError: 334 pass 335 336 def test_windll_getnode(self): 337 import os 338 if importable('ctypes') and os.name == 'nt': 339 self.check_node(uuid._windll_getnode(), 'windll') 340 341 def test_getnode(self): 342 import sys 343 node1 = uuid.getnode() 344 self.check_node(node1, "getnode1") 345 346 # Test it again to ensure consistency. 347 node2 = uuid.getnode() 348 self.check_node(node2, "getnode2") 349 350 self.assertEqual(node1, node2) 351 352 def test_uuid1(self): 353 # uuid1 requires ctypes. 354 try: 355 import ctypes 356 except ImportError: 357 return 358 359 equal = self.assertEqual 360 361 # Make sure uuid1() generates UUIDs that are actually version 1. 362 for u in [uuid.uuid1() for i in range(10)]: 363 equal(u.variant, uuid.RFC_4122) 364 equal(u.version, 1) 365 366 # Make sure the generated UUIDs are actually unique. 367 uuids = {} 368 for u in [uuid.uuid1() for i in range(1000)]: 369 uuids[u] = 1 370 equal(len(uuids.keys()), 1000) 371 372 # Make sure the supplied node ID appears in the UUID. 373 u = uuid.uuid1(0) 374 equal(u.node, 0) 375 u = uuid.uuid1(0x123456789abc) 376 equal(u.node, 0x123456789abc) 377 u = uuid.uuid1(0xffffffffffff) 378 equal(u.node, 0xffffffffffff) 379 380 # Make sure the supplied clock sequence appears in the UUID. 381 u = uuid.uuid1(0x123456789abc, 0) 382 equal(u.node, 0x123456789abc) 383 equal(((u.clock_seq_hi_variant & 0x3f) << 8) | u.clock_seq_low, 0) 384 u = uuid.uuid1(0x123456789abc, 0x1234) 385 equal(u.node, 0x123456789abc) 386 equal(((u.clock_seq_hi_variant & 0x3f) << 8) | 387 u.clock_seq_low, 0x1234) 388 u = uuid.uuid1(0x123456789abc, 0x3fff) 389 equal(u.node, 0x123456789abc) 390 equal(((u.clock_seq_hi_variant & 0x3f) << 8) | 391 u.clock_seq_low, 0x3fff) 392 393 def test_uuid3(self): 394 equal = self.assertEqual 395 396 # Test some known version-3 UUIDs. 397 for u, v in [(uuid.uuid3(uuid.NAMESPACE_DNS, 'python.org'), 398 '6fa459ea-ee8a-3ca4-894e-db77e160355e'), 399 (uuid.uuid3(uuid.NAMESPACE_URL, 'http://python.org/'), 400 '9fe8e8c4-aaa8-32a9-a55c-4535a88b748d'), 401 (uuid.uuid3(uuid.NAMESPACE_OID, '1.3.6.1'), 402 'dd1a1cef-13d5-368a-ad82-eca71acd4cd1'), 403 (uuid.uuid3(uuid.NAMESPACE_X500, 'c=ca'), 404 '658d3002-db6b-3040-a1d1-8ddd7d189a4d'), 405 ]: 406 equal(u.variant, uuid.RFC_4122) 407 equal(u.version, 3) 408 equal(u, uuid.UUID(v)) 409 equal(str(u), v) 410 411 def test_uuid4(self): 412 # uuid4 requires ctypes. 413 try: 414 import ctypes 415 except ImportError: 416 return 417 418 equal = self.assertEqual 419 420 # Make sure uuid4() generates UUIDs that are actually version 4. 421 for u in [uuid.uuid4() for i in range(10)]: 422 equal(u.variant, uuid.RFC_4122) 423 equal(u.version, 4) 424 425 # Make sure the generated UUIDs are actually unique. 426 uuids = {} 427 for u in [uuid.uuid4() for i in range(1000)]: 428 uuids[u] = 1 429 equal(len(uuids.keys()), 1000) 430 431 def test_uuid5(self): 432 equal = self.assertEqual 433 434 # Test some known version-5 UUIDs. 435 for u, v in [(uuid.uuid5(uuid.NAMESPACE_DNS, 'python.org'), 436 '886313e1-3b8a-5372-9b90-0c9aee199e5d'), 437 (uuid.uuid5(uuid.NAMESPACE_URL, 'http://python.org/'), 438 '4c565f0d-3f5a-5890-b41b-20cf47701c5e'), 439 (uuid.uuid5(uuid.NAMESPACE_OID, '1.3.6.1'), 440 '1447fa61-5277-5fef-a9b3-fbc6e44f4af3'), 441 (uuid.uuid5(uuid.NAMESPACE_X500, 'c=ca'), 442 'cc957dd1-a972-5349-98cd-874190002798'), 443 ]: 444 equal(u.variant, uuid.RFC_4122) 445 equal(u.version, 5) 446 equal(u, uuid.UUID(v)) 447 equal(str(u), v) 448 449 def testIssue8621(self): 450 import os 451 import sys 452 if os.name != 'posix': 453 return 454 455 # On at least some versions of OSX uuid.uuid4 generates 456 # the same sequence of UUIDs in the parent and any 457 # children started using fork. 458 fds = os.pipe() 459 pid = os.fork() 460 if pid == 0: 461 os.close(fds[0]) 462 value = uuid.uuid4() 463 os.write(fds[1], value.hex) 464 os._exit(0) 465 466 else: 467 os.close(fds[1]) 468 parent_value = uuid.uuid4().hex 469 os.waitpid(pid, 0) 470 child_value = os.read(fds[0], 100) 471 472 self.assertNotEqual(parent_value, child_value) 473 474 475 476 477 478 def test_main(): 479 test_support.run_unittest(TestUUID) 480 481 if __name__ == '__main__': 482 test_main() 483