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         individual_group_bit = (node >> 40L) & 1

   285         universal_local_bit = (node >> 40L) & 2

   286         message = "%012x doesn't look like a real MAC address" % node

   287         self.assertEqual(individual_group_bit, 0, message)

   288         self.assertEqual(universal_local_bit, 0, message)

   289         self.assertNotEqual(node, 0, message)

   290         self.assertNotEqual(node, 0xffffffffffffL, message)

   291         self.assert_(0 <= node, message)

   292         self.assert_(node < (1L << 48), message)

   293 

   294         TestUUID.source2node[source] = node

   295         if TestUUID.last_node:

   296             if TestUUID.last_node != node:

   297                 msg = "different sources disagree on node:\n"

   298                 for s, n in TestUUID.source2node.iteritems():

   299                     msg += "    from source %r, node was %012x\n" % (s, n)

   300                 # There's actually no reason to expect the MAC addresses

   301                 # to agree across various methods -- e.g., a box may have

   302                 # multiple network interfaces, and different ways of getting

   303                 # a MAC address may favor different HW.

   304                 ##self.fail(msg)

   305         else:

   306             TestUUID.last_node = node

   307 

   308     def test_ifconfig_getnode(self):

   309         import sys

   310         print >>sys.__stdout__, \

   311 """    WARNING: uuid._ifconfig_getnode is unreliable on many platforms.

   312         It is disabled until the code and/or test can be fixed properly."""

   313         return

   314 

   315         import os

   316         if os.name == 'posix':

   317             node = uuid._ifconfig_getnode()

   318             if node is not None:

   319                 self.check_node(node, 'ifconfig')

   320 

   321     def test_ipconfig_getnode(self):

   322         import os

   323         if os.name == 'nt':

   324             node = uuid._ipconfig_getnode()

   325             if node is not None:

   326                 self.check_node(node, 'ipconfig')

   327 

   328     def test_netbios_getnode(self):

   329         if importable('win32wnet') and importable('netbios'):

   330             self.check_node(uuid._netbios_getnode(), 'netbios')

   331 

   332     def test_random_getnode(self):

   333         node = uuid._random_getnode()

   334         self.assert_(0 <= node)

   335         self.assert_(node < (1L <<48))

   336 

   337     def test_unixdll_getnode(self):

   338         import sys

   339         print >>sys.__stdout__, \

   340 """    WARNING: uuid._unixdll_getnode is unreliable on many platforms.

   341         It is disabled until the code and/or test can be fixed properly."""

   342         return

   343 

   344         import os

   345         if importable('ctypes') and os.name == 'posix':

   346             self.check_node(uuid._unixdll_getnode(), 'unixdll')

   347 

   348     def test_windll_getnode(self):

   349         import os

   350         if importable('ctypes') and os.name == 'nt':

   351             self.check_node(uuid._windll_getnode(), 'windll')

   352 

   353     def test_getnode(self):

   354         import sys

   355         print >>sys.__stdout__, \

   356 """    WARNING: uuid.getnode is unreliable on many platforms.

   357         It is disabled until the code and/or test can be fixed properly."""

   358         return

   359 

   360         node1 = uuid.getnode()

   361         self.check_node(node1, "getnode1")

   362 

   363         # Test it again to ensure consistency.

   364         node2 = uuid.getnode()

   365         self.check_node(node2, "getnode2")

   366 

   367         self.assertEqual(node1, node2)

   368 

   369     def test_uuid1(self):

   370         # uuid1 requires ctypes.

   371         try:

   372             import ctypes

   373         except ImportError:

   374             return

   375 

   376         equal = self.assertEqual

   377 

   378         # Make sure uuid1() generates UUIDs that are actually version 1.

   379         for u in [uuid.uuid1() for i in range(10)]:

   380             equal(u.variant, uuid.RFC_4122)

   381             equal(u.version, 1)

   382 

   383         # Make sure the generated UUIDs are actually unique.

   384         uuids = {}

   385         for u in [uuid.uuid1() for i in range(1000)]:

   386             uuids[u] = 1

   387         equal(len(uuids.keys()), 1000)

   388 

   389         # Make sure the supplied node ID appears in the UUID.

   390         u = uuid.uuid1(0)

   391         equal(u.node, 0)

   392         u = uuid.uuid1(0x123456789abc)

   393         equal(u.node, 0x123456789abc)

   394         u = uuid.uuid1(0xffffffffffff)

   395         equal(u.node, 0xffffffffffff)

   396 

   397         # Make sure the supplied clock sequence appears in the UUID.

   398         u = uuid.uuid1(0x123456789abc, 0)

   399         equal(u.node, 0x123456789abc)

   400         equal(((u.clock_seq_hi_variant & 0x3f) << 8) | u.clock_seq_low, 0)

   401         u = uuid.uuid1(0x123456789abc, 0x1234)

   402         equal(u.node, 0x123456789abc)

   403         equal(((u.clock_seq_hi_variant & 0x3f) << 8) |

   404                          u.clock_seq_low, 0x1234)

   405         u = uuid.uuid1(0x123456789abc, 0x3fff)

   406         equal(u.node, 0x123456789abc)

   407         equal(((u.clock_seq_hi_variant & 0x3f) << 8) |

   408                          u.clock_seq_low, 0x3fff)

   409 

   410     def test_uuid3(self):

   411         equal = self.assertEqual

   412 

   413         # Test some known version-3 UUIDs.

   414         for u, v in [(uuid.uuid3(uuid.NAMESPACE_DNS, 'python.org'),

   415                       '6fa459ea-ee8a-3ca4-894e-db77e160355e'),

   416                      (uuid.uuid3(uuid.NAMESPACE_URL, 'http://python.org/'),

   417                       '9fe8e8c4-aaa8-32a9-a55c-4535a88b748d'),

   418                      (uuid.uuid3(uuid.NAMESPACE_OID, '1.3.6.1'),

   419                       'dd1a1cef-13d5-368a-ad82-eca71acd4cd1'),

   420                      (uuid.uuid3(uuid.NAMESPACE_X500, 'c=ca'),

   421                       '658d3002-db6b-3040-a1d1-8ddd7d189a4d'),

   422                     ]:

   423             equal(u.variant, uuid.RFC_4122)

   424             equal(u.version, 3)

   425             equal(u, uuid.UUID(v))

   426             equal(str(u), v)

   427 

   428     def test_uuid4(self):

   429         # uuid4 requires ctypes.

   430         try:

   431             import ctypes

   432         except ImportError:

   433             return

   434 

   435         equal = self.assertEqual

   436 

   437         # Make sure uuid4() generates UUIDs that are actually version 4.

   438         for u in [uuid.uuid4() for i in range(10)]:

   439             equal(u.variant, uuid.RFC_4122)

   440             equal(u.version, 4)

   441 

   442         # Make sure the generated UUIDs are actually unique.

   443         uuids = {}

   444         for u in [uuid.uuid4() for i in range(1000)]:

   445             uuids[u] = 1

   446         equal(len(uuids.keys()), 1000)

   447 

   448     def test_uuid5(self):

   449         equal = self.assertEqual

   450 

   451         # Test some known version-5 UUIDs.

   452         for u, v in [(uuid.uuid5(uuid.NAMESPACE_DNS, 'python.org'),

   453                       '886313e1-3b8a-5372-9b90-0c9aee199e5d'),

   454                      (uuid.uuid5(uuid.NAMESPACE_URL, 'http://python.org/'),

   455                       '4c565f0d-3f5a-5890-b41b-20cf47701c5e'),

   456                      (uuid.uuid5(uuid.NAMESPACE_OID, '1.3.6.1'),

   457                       '1447fa61-5277-5fef-a9b3-fbc6e44f4af3'),

   458                      (uuid.uuid5(uuid.NAMESPACE_X500, 'c=ca'),

   459                       'cc957dd1-a972-5349-98cd-874190002798'),

   460                     ]:

   461             equal(u.variant, uuid.RFC_4122)

   462             equal(u.version, 5)

   463             equal(u, uuid.UUID(v))

   464             equal(str(u), v)

   465 

   466 

   467 def test_main():

   468     test_support.run_unittest(TestUUID)

   469 

   470 if __name__ == '__main__':

   471     test_main()