499 lines
21 KiB
Python
499 lines
21 KiB
Python
import unittest
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from test import test_support
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import io
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import os
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import uuid
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def importable(name):
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try:
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__import__(name)
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return True
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except:
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return False
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class TestUUID(unittest.TestCase):
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last_node = None
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source2node = {}
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def test_UUID(self):
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equal = self.assertEqual
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ascending = []
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for (string, curly, hex, bytes, bytes_le, fields, integer, urn,
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time, clock_seq, variant, version) in [
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('00000000-0000-0000-0000-000000000000',
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'{00000000-0000-0000-0000-000000000000}',
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'00000000000000000000000000000000',
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'\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0',
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'\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0',
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(0, 0, 0, 0, 0, 0),
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0,
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'urn:uuid:00000000-0000-0000-0000-000000000000',
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0, 0, uuid.RESERVED_NCS, None),
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('00010203-0405-0607-0809-0a0b0c0d0e0f',
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'{00010203-0405-0607-0809-0a0b0c0d0e0f}',
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'000102030405060708090a0b0c0d0e0f',
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'\0\x01\x02\x03\x04\x05\x06\x07\x08\t\n\x0b\x0c\x0d\x0e\x0f',
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'\x03\x02\x01\0\x05\x04\x07\x06\x08\t\n\x0b\x0c\x0d\x0e\x0f',
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(0x00010203L, 0x0405, 0x0607, 8, 9, 0x0a0b0c0d0e0fL),
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0x000102030405060708090a0b0c0d0e0fL,
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'urn:uuid:00010203-0405-0607-0809-0a0b0c0d0e0f',
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0x607040500010203L, 0x809, uuid.RESERVED_NCS, None),
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('02d9e6d5-9467-382e-8f9b-9300a64ac3cd',
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'{02d9e6d5-9467-382e-8f9b-9300a64ac3cd}',
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'02d9e6d59467382e8f9b9300a64ac3cd',
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'\x02\xd9\xe6\xd5\x94\x67\x38\x2e\x8f\x9b\x93\x00\xa6\x4a\xc3\xcd',
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'\xd5\xe6\xd9\x02\x67\x94\x2e\x38\x8f\x9b\x93\x00\xa6\x4a\xc3\xcd',
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(0x02d9e6d5L, 0x9467, 0x382e, 0x8f, 0x9b, 0x9300a64ac3cdL),
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0x02d9e6d59467382e8f9b9300a64ac3cdL,
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'urn:uuid:02d9e6d5-9467-382e-8f9b-9300a64ac3cd',
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0x82e946702d9e6d5L, 0xf9b, uuid.RFC_4122, 3),
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('12345678-1234-5678-1234-567812345678',
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'{12345678-1234-5678-1234-567812345678}',
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'12345678123456781234567812345678',
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'\x12\x34\x56\x78'*4,
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'\x78\x56\x34\x12\x34\x12\x78\x56\x12\x34\x56\x78\x12\x34\x56\x78',
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(0x12345678, 0x1234, 0x5678, 0x12, 0x34, 0x567812345678),
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0x12345678123456781234567812345678,
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'urn:uuid:12345678-1234-5678-1234-567812345678',
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0x678123412345678L, 0x1234, uuid.RESERVED_NCS, None),
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('6ba7b810-9dad-11d1-80b4-00c04fd430c8',
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'{6ba7b810-9dad-11d1-80b4-00c04fd430c8}',
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'6ba7b8109dad11d180b400c04fd430c8',
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'\x6b\xa7\xb8\x10\x9d\xad\x11\xd1\x80\xb4\x00\xc0\x4f\xd4\x30\xc8',
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'\x10\xb8\xa7\x6b\xad\x9d\xd1\x11\x80\xb4\x00\xc0\x4f\xd4\x30\xc8',
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(0x6ba7b810L, 0x9dad, 0x11d1, 0x80, 0xb4, 0x00c04fd430c8L),
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0x6ba7b8109dad11d180b400c04fd430c8L,
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'urn:uuid:6ba7b810-9dad-11d1-80b4-00c04fd430c8',
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0x1d19dad6ba7b810L, 0xb4, uuid.RFC_4122, 1),
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('6ba7b811-9dad-11d1-80b4-00c04fd430c8',
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'{6ba7b811-9dad-11d1-80b4-00c04fd430c8}',
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'6ba7b8119dad11d180b400c04fd430c8',
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'\x6b\xa7\xb8\x11\x9d\xad\x11\xd1\x80\xb4\x00\xc0\x4f\xd4\x30\xc8',
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'\x11\xb8\xa7\x6b\xad\x9d\xd1\x11\x80\xb4\x00\xc0\x4f\xd4\x30\xc8',
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(0x6ba7b811L, 0x9dad, 0x11d1, 0x80, 0xb4, 0x00c04fd430c8L),
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0x6ba7b8119dad11d180b400c04fd430c8L,
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'urn:uuid:6ba7b811-9dad-11d1-80b4-00c04fd430c8',
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0x1d19dad6ba7b811L, 0xb4, uuid.RFC_4122, 1),
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('6ba7b812-9dad-11d1-80b4-00c04fd430c8',
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'{6ba7b812-9dad-11d1-80b4-00c04fd430c8}',
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'6ba7b8129dad11d180b400c04fd430c8',
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'\x6b\xa7\xb8\x12\x9d\xad\x11\xd1\x80\xb4\x00\xc0\x4f\xd4\x30\xc8',
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'\x12\xb8\xa7\x6b\xad\x9d\xd1\x11\x80\xb4\x00\xc0\x4f\xd4\x30\xc8',
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(0x6ba7b812L, 0x9dad, 0x11d1, 0x80, 0xb4, 0x00c04fd430c8L),
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0x6ba7b8129dad11d180b400c04fd430c8L,
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'urn:uuid:6ba7b812-9dad-11d1-80b4-00c04fd430c8',
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0x1d19dad6ba7b812L, 0xb4, uuid.RFC_4122, 1),
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('6ba7b814-9dad-11d1-80b4-00c04fd430c8',
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'{6ba7b814-9dad-11d1-80b4-00c04fd430c8}',
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'6ba7b8149dad11d180b400c04fd430c8',
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'\x6b\xa7\xb8\x14\x9d\xad\x11\xd1\x80\xb4\x00\xc0\x4f\xd4\x30\xc8',
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'\x14\xb8\xa7\x6b\xad\x9d\xd1\x11\x80\xb4\x00\xc0\x4f\xd4\x30\xc8',
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(0x6ba7b814L, 0x9dad, 0x11d1, 0x80, 0xb4, 0x00c04fd430c8L),
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0x6ba7b8149dad11d180b400c04fd430c8L,
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'urn:uuid:6ba7b814-9dad-11d1-80b4-00c04fd430c8',
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0x1d19dad6ba7b814L, 0xb4, uuid.RFC_4122, 1),
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('7d444840-9dc0-11d1-b245-5ffdce74fad2',
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'{7d444840-9dc0-11d1-b245-5ffdce74fad2}',
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'7d4448409dc011d1b2455ffdce74fad2',
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'\x7d\x44\x48\x40\x9d\xc0\x11\xd1\xb2\x45\x5f\xfd\xce\x74\xfa\xd2',
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'\x40\x48\x44\x7d\xc0\x9d\xd1\x11\xb2\x45\x5f\xfd\xce\x74\xfa\xd2',
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(0x7d444840L, 0x9dc0, 0x11d1, 0xb2, 0x45, 0x5ffdce74fad2L),
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0x7d4448409dc011d1b2455ffdce74fad2L,
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'urn:uuid:7d444840-9dc0-11d1-b245-5ffdce74fad2',
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0x1d19dc07d444840L, 0x3245, uuid.RFC_4122, 1),
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('e902893a-9d22-3c7e-a7b8-d6e313b71d9f',
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'{e902893a-9d22-3c7e-a7b8-d6e313b71d9f}',
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'e902893a9d223c7ea7b8d6e313b71d9f',
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'\xe9\x02\x89\x3a\x9d\x22\x3c\x7e\xa7\xb8\xd6\xe3\x13\xb7\x1d\x9f',
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'\x3a\x89\x02\xe9\x22\x9d\x7e\x3c\xa7\xb8\xd6\xe3\x13\xb7\x1d\x9f',
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(0xe902893aL, 0x9d22, 0x3c7e, 0xa7, 0xb8, 0xd6e313b71d9fL),
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0xe902893a9d223c7ea7b8d6e313b71d9fL,
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'urn:uuid:e902893a-9d22-3c7e-a7b8-d6e313b71d9f',
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0xc7e9d22e902893aL, 0x27b8, uuid.RFC_4122, 3),
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('eb424026-6f54-4ef8-a4d0-bb658a1fc6cf',
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'{eb424026-6f54-4ef8-a4d0-bb658a1fc6cf}',
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'eb4240266f544ef8a4d0bb658a1fc6cf',
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'\xeb\x42\x40\x26\x6f\x54\x4e\xf8\xa4\xd0\xbb\x65\x8a\x1f\xc6\xcf',
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'\x26\x40\x42\xeb\x54\x6f\xf8\x4e\xa4\xd0\xbb\x65\x8a\x1f\xc6\xcf',
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(0xeb424026L, 0x6f54, 0x4ef8, 0xa4, 0xd0, 0xbb658a1fc6cfL),
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0xeb4240266f544ef8a4d0bb658a1fc6cfL,
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'urn:uuid:eb424026-6f54-4ef8-a4d0-bb658a1fc6cf',
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0xef86f54eb424026L, 0x24d0, uuid.RFC_4122, 4),
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('f81d4fae-7dec-11d0-a765-00a0c91e6bf6',
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'{f81d4fae-7dec-11d0-a765-00a0c91e6bf6}',
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'f81d4fae7dec11d0a76500a0c91e6bf6',
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'\xf8\x1d\x4f\xae\x7d\xec\x11\xd0\xa7\x65\x00\xa0\xc9\x1e\x6b\xf6',
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'\xae\x4f\x1d\xf8\xec\x7d\xd0\x11\xa7\x65\x00\xa0\xc9\x1e\x6b\xf6',
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(0xf81d4faeL, 0x7dec, 0x11d0, 0xa7, 0x65, 0x00a0c91e6bf6L),
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0xf81d4fae7dec11d0a76500a0c91e6bf6L,
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'urn:uuid:f81d4fae-7dec-11d0-a765-00a0c91e6bf6',
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0x1d07decf81d4faeL, 0x2765, uuid.RFC_4122, 1),
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('fffefdfc-fffe-fffe-fffe-fffefdfcfbfa',
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'{fffefdfc-fffe-fffe-fffe-fffefdfcfbfa}',
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'fffefdfcfffefffefffefffefdfcfbfa',
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'\xff\xfe\xfd\xfc\xff\xfe\xff\xfe\xff\xfe\xff\xfe\xfd\xfc\xfb\xfa',
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'\xfc\xfd\xfe\xff\xfe\xff\xfe\xff\xff\xfe\xff\xfe\xfd\xfc\xfb\xfa',
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(0xfffefdfcL, 0xfffe, 0xfffe, 0xff, 0xfe, 0xfffefdfcfbfaL),
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0xfffefdfcfffefffefffefffefdfcfbfaL,
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'urn:uuid:fffefdfc-fffe-fffe-fffe-fffefdfcfbfa',
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0xffefffefffefdfcL, 0x3ffe, uuid.RESERVED_FUTURE, None),
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('ffffffff-ffff-ffff-ffff-ffffffffffff',
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'{ffffffff-ffff-ffff-ffff-ffffffffffff}',
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'ffffffffffffffffffffffffffffffff',
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'\xff'*16,
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'\xff'*16,
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(0xffffffffL, 0xffffL, 0xffffL, 0xff, 0xff, 0xffffffffffffL),
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0xffffffffffffffffffffffffffffffffL,
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'urn:uuid:ffffffff-ffff-ffff-ffff-ffffffffffff',
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0xfffffffffffffffL, 0x3fff, uuid.RESERVED_FUTURE, None),
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]:
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equivalents = []
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# Construct each UUID in several different ways.
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for u in [uuid.UUID(string), uuid.UUID(curly), uuid.UUID(hex),
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uuid.UUID(bytes=bytes), uuid.UUID(bytes_le=bytes_le),
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uuid.UUID(fields=fields), uuid.UUID(int=integer),
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uuid.UUID(urn)]:
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# Test all conversions and properties of the UUID object.
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equal(str(u), string)
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equal(int(u), integer)
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equal(u.bytes, bytes)
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equal(u.bytes_le, bytes_le)
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equal(u.fields, fields)
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equal(u.time_low, fields[0])
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equal(u.time_mid, fields[1])
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equal(u.time_hi_version, fields[2])
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equal(u.clock_seq_hi_variant, fields[3])
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equal(u.clock_seq_low, fields[4])
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equal(u.node, fields[5])
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equal(u.hex, hex)
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equal(u.int, integer)
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equal(u.urn, urn)
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equal(u.time, time)
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equal(u.clock_seq, clock_seq)
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equal(u.variant, variant)
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equal(u.version, version)
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equivalents.append(u)
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# Different construction methods should give the same UUID.
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for u in equivalents:
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for v in equivalents:
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equal(u, v)
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ascending.append(u)
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# Test comparison of UUIDs.
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for i in range(len(ascending)):
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for j in range(len(ascending)):
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equal(cmp(i, j), cmp(ascending[i], ascending[j]))
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# Test sorting of UUIDs (above list is in ascending order).
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resorted = ascending[:]
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resorted.reverse()
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resorted.sort()
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equal(ascending, resorted)
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def test_exceptions(self):
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badvalue = lambda f: self.assertRaises(ValueError, f)
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badtype = lambda f: self.assertRaises(TypeError, f)
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# Badly formed hex strings.
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badvalue(lambda: uuid.UUID(''))
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badvalue(lambda: uuid.UUID('abc'))
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badvalue(lambda: uuid.UUID('1234567812345678123456781234567'))
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badvalue(lambda: uuid.UUID('123456781234567812345678123456789'))
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badvalue(lambda: uuid.UUID('123456781234567812345678z2345678'))
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# Badly formed bytes.
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badvalue(lambda: uuid.UUID(bytes='abc'))
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badvalue(lambda: uuid.UUID(bytes='\0'*15))
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badvalue(lambda: uuid.UUID(bytes='\0'*17))
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# Badly formed bytes_le.
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badvalue(lambda: uuid.UUID(bytes_le='abc'))
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badvalue(lambda: uuid.UUID(bytes_le='\0'*15))
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badvalue(lambda: uuid.UUID(bytes_le='\0'*17))
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# Badly formed fields.
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badvalue(lambda: uuid.UUID(fields=(1,)))
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badvalue(lambda: uuid.UUID(fields=(1, 2, 3, 4, 5)))
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badvalue(lambda: uuid.UUID(fields=(1, 2, 3, 4, 5, 6, 7)))
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# Field values out of range.
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badvalue(lambda: uuid.UUID(fields=(-1, 0, 0, 0, 0, 0)))
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badvalue(lambda: uuid.UUID(fields=(0x100000000L, 0, 0, 0, 0, 0)))
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badvalue(lambda: uuid.UUID(fields=(0, -1, 0, 0, 0, 0)))
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badvalue(lambda: uuid.UUID(fields=(0, 0x10000L, 0, 0, 0, 0)))
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badvalue(lambda: uuid.UUID(fields=(0, 0, -1, 0, 0, 0)))
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badvalue(lambda: uuid.UUID(fields=(0, 0, 0x10000L, 0, 0, 0)))
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badvalue(lambda: uuid.UUID(fields=(0, 0, 0, -1, 0, 0)))
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badvalue(lambda: uuid.UUID(fields=(0, 0, 0, 0x100L, 0, 0)))
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badvalue(lambda: uuid.UUID(fields=(0, 0, 0, 0, -1, 0)))
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badvalue(lambda: uuid.UUID(fields=(0, 0, 0, 0, 0x100L, 0)))
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badvalue(lambda: uuid.UUID(fields=(0, 0, 0, 0, 0, -1)))
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badvalue(lambda: uuid.UUID(fields=(0, 0, 0, 0, 0, 0x1000000000000L)))
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# Version number out of range.
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badvalue(lambda: uuid.UUID('00'*16, version=0))
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badvalue(lambda: uuid.UUID('00'*16, version=6))
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# Integer value out of range.
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badvalue(lambda: uuid.UUID(int=-1))
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badvalue(lambda: uuid.UUID(int=1<<128L))
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# Must supply exactly one of hex, bytes, fields, int.
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h, b, f, i = '00'*16, '\0'*16, (0, 0, 0, 0, 0, 0), 0
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uuid.UUID(h)
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uuid.UUID(hex=h)
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uuid.UUID(bytes=b)
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uuid.UUID(bytes_le=b)
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uuid.UUID(fields=f)
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uuid.UUID(int=i)
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# Wrong number of arguments (positional).
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badtype(lambda: uuid.UUID())
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badtype(lambda: uuid.UUID(h, b))
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badtype(lambda: uuid.UUID(h, b, b))
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badtype(lambda: uuid.UUID(h, b, b, f))
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badtype(lambda: uuid.UUID(h, b, b, f, i))
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# Duplicate arguments.
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for hh in [[], [('hex', h)]]:
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for bb in [[], [('bytes', b)]]:
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for bble in [[], [('bytes_le', b)]]:
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for ii in [[], [('int', i)]]:
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for ff in [[], [('fields', f)]]:
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args = dict(hh + bb + bble + ii + ff)
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if len(args) != 0:
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badtype(lambda: uuid.UUID(h, **args))
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if len(args) != 1:
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badtype(lambda: uuid.UUID(**args))
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# Immutability.
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u = uuid.UUID(h)
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badtype(lambda: setattr(u, 'hex', h))
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badtype(lambda: setattr(u, 'bytes', b))
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badtype(lambda: setattr(u, 'bytes_le', b))
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badtype(lambda: setattr(u, 'fields', f))
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badtype(lambda: setattr(u, 'int', i))
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badtype(lambda: setattr(u, 'time_low', 0))
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badtype(lambda: setattr(u, 'time_mid', 0))
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badtype(lambda: setattr(u, 'time_hi_version', 0))
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badtype(lambda: setattr(u, 'time_hi_version', 0))
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badtype(lambda: setattr(u, 'clock_seq_hi_variant', 0))
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badtype(lambda: setattr(u, 'clock_seq_low', 0))
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badtype(lambda: setattr(u, 'node', 0))
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def check_node(self, node, source):
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message = "%012x is not an RFC 4122 node ID" % node
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self.assertTrue(0 < node, message)
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self.assertTrue(node < (1L << 48), message)
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TestUUID.source2node[source] = node
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if TestUUID.last_node:
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if TestUUID.last_node != node:
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msg = "different sources disagree on node:\n"
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for s, n in TestUUID.source2node.iteritems():
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msg += " from source %r, node was %012x\n" % (s, n)
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# There's actually no reason to expect the MAC addresses
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# to agree across various methods -- e.g., a box may have
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# multiple network interfaces, and different ways of getting
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# a MAC address may favor different HW.
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##self.fail(msg)
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else:
|
|
TestUUID.last_node = node
|
|
|
|
@unittest.skipUnless(os.name == 'posix', 'requires Posix')
|
|
def test_ifconfig_getnode(self):
|
|
node = uuid._ifconfig_getnode()
|
|
if node is not None:
|
|
self.check_node(node, 'ifconfig')
|
|
|
|
@unittest.skipUnless(os.name == 'nt', 'requires Windows')
|
|
def test_ipconfig_getnode(self):
|
|
node = uuid._ipconfig_getnode()
|
|
if node is not None:
|
|
self.check_node(node, 'ipconfig')
|
|
|
|
@unittest.skipUnless(importable('win32wnet'), 'requires win32wnet')
|
|
@unittest.skipUnless(importable('netbios'), 'requires netbios')
|
|
def test_netbios_getnode(self):
|
|
self.check_node(uuid._netbios_getnode(), 'netbios')
|
|
|
|
def test_random_getnode(self):
|
|
node = uuid._random_getnode()
|
|
# Least significant bit of first octet must be set.
|
|
self.assertTrue(node & 0x010000000000)
|
|
self.assertTrue(node < (1L << 48))
|
|
|
|
@unittest.skipUnless(os.name == 'posix', 'requires Posix')
|
|
@unittest.skipUnless(importable('ctypes'), 'requires ctypes')
|
|
def test_unixdll_getnode(self):
|
|
try: # Issues 1481, 3581: _uuid_generate_time() might be None.
|
|
self.check_node(uuid._unixdll_getnode(), 'unixdll')
|
|
except TypeError:
|
|
pass
|
|
|
|
@unittest.skipUnless(os.name == 'nt', 'requires Windows')
|
|
@unittest.skipUnless(importable('ctypes'), 'requires ctypes')
|
|
def test_windll_getnode(self):
|
|
self.check_node(uuid._windll_getnode(), 'windll')
|
|
|
|
def test_getnode(self):
|
|
node1 = uuid.getnode()
|
|
self.check_node(node1, "getnode1")
|
|
|
|
# Test it again to ensure consistency.
|
|
node2 = uuid.getnode()
|
|
self.check_node(node2, "getnode2")
|
|
|
|
self.assertEqual(node1, node2)
|
|
|
|
@unittest.skipUnless(os.name == 'posix', 'requires Posix')
|
|
def test_find_mac(self):
|
|
data = '''\
|
|
|
|
fake hwaddr
|
|
cscotun0 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
|
|
eth0 Link encap:Ethernet HWaddr 12:34:56:78:90:ab
|
|
'''
|
|
def mock_popen(cmd):
|
|
return io.BytesIO(data)
|
|
|
|
path = os.environ.get("PATH", os.defpath).split(os.pathsep)
|
|
path.extend(('/sbin', '/usr/sbin'))
|
|
for dir in path:
|
|
executable = os.path.join(dir, 'ifconfig')
|
|
if (os.path.exists(executable) and
|
|
os.access(executable, os.F_OK | os.X_OK) and
|
|
not os.path.isdir(executable)):
|
|
break
|
|
else:
|
|
self.skipTest('requires ifconfig')
|
|
|
|
with test_support.swap_attr(os, 'popen', mock_popen):
|
|
mac = uuid._find_mac(
|
|
command='ifconfig',
|
|
args='',
|
|
hw_identifiers=['hwaddr'],
|
|
get_index=lambda x: x + 1,
|
|
)
|
|
self.assertEqual(mac, 0x1234567890ab)
|
|
|
|
@unittest.skipUnless(importable('ctypes'), 'requires ctypes')
|
|
def test_uuid1(self):
|
|
equal = self.assertEqual
|
|
|
|
# Make sure uuid1() generates UUIDs that are actually version 1.
|
|
for u in [uuid.uuid1() for i in range(10)]:
|
|
equal(u.variant, uuid.RFC_4122)
|
|
equal(u.version, 1)
|
|
|
|
# Make sure the generated UUIDs are actually unique.
|
|
uuids = {}
|
|
for u in [uuid.uuid1() for i in range(1000)]:
|
|
uuids[u] = 1
|
|
equal(len(uuids.keys()), 1000)
|
|
|
|
# Make sure the supplied node ID appears in the UUID.
|
|
u = uuid.uuid1(0)
|
|
equal(u.node, 0)
|
|
u = uuid.uuid1(0x123456789abc)
|
|
equal(u.node, 0x123456789abc)
|
|
u = uuid.uuid1(0xffffffffffff)
|
|
equal(u.node, 0xffffffffffff)
|
|
|
|
# Make sure the supplied clock sequence appears in the UUID.
|
|
u = uuid.uuid1(0x123456789abc, 0)
|
|
equal(u.node, 0x123456789abc)
|
|
equal(((u.clock_seq_hi_variant & 0x3f) << 8) | u.clock_seq_low, 0)
|
|
u = uuid.uuid1(0x123456789abc, 0x1234)
|
|
equal(u.node, 0x123456789abc)
|
|
equal(((u.clock_seq_hi_variant & 0x3f) << 8) |
|
|
u.clock_seq_low, 0x1234)
|
|
u = uuid.uuid1(0x123456789abc, 0x3fff)
|
|
equal(u.node, 0x123456789abc)
|
|
equal(((u.clock_seq_hi_variant & 0x3f) << 8) |
|
|
u.clock_seq_low, 0x3fff)
|
|
|
|
def test_uuid3(self):
|
|
equal = self.assertEqual
|
|
|
|
# Test some known version-3 UUIDs.
|
|
for u, v in [(uuid.uuid3(uuid.NAMESPACE_DNS, 'python.org'),
|
|
'6fa459ea-ee8a-3ca4-894e-db77e160355e'),
|
|
(uuid.uuid3(uuid.NAMESPACE_URL, 'http://python.org/'),
|
|
'9fe8e8c4-aaa8-32a9-a55c-4535a88b748d'),
|
|
(uuid.uuid3(uuid.NAMESPACE_OID, '1.3.6.1'),
|
|
'dd1a1cef-13d5-368a-ad82-eca71acd4cd1'),
|
|
(uuid.uuid3(uuid.NAMESPACE_X500, 'c=ca'),
|
|
'658d3002-db6b-3040-a1d1-8ddd7d189a4d'),
|
|
]:
|
|
equal(u.variant, uuid.RFC_4122)
|
|
equal(u.version, 3)
|
|
equal(u, uuid.UUID(v))
|
|
equal(str(u), v)
|
|
|
|
@unittest.skipUnless(importable('ctypes'), 'requires ctypes')
|
|
def test_uuid4(self):
|
|
equal = self.assertEqual
|
|
|
|
# Make sure uuid4() generates UUIDs that are actually version 4.
|
|
for u in [uuid.uuid4() for i in range(10)]:
|
|
equal(u.variant, uuid.RFC_4122)
|
|
equal(u.version, 4)
|
|
|
|
# Make sure the generated UUIDs are actually unique.
|
|
uuids = {}
|
|
for u in [uuid.uuid4() for i in range(1000)]:
|
|
uuids[u] = 1
|
|
equal(len(uuids.keys()), 1000)
|
|
|
|
def test_uuid5(self):
|
|
equal = self.assertEqual
|
|
|
|
# Test some known version-5 UUIDs.
|
|
for u, v in [(uuid.uuid5(uuid.NAMESPACE_DNS, 'python.org'),
|
|
'886313e1-3b8a-5372-9b90-0c9aee199e5d'),
|
|
(uuid.uuid5(uuid.NAMESPACE_URL, 'http://python.org/'),
|
|
'4c565f0d-3f5a-5890-b41b-20cf47701c5e'),
|
|
(uuid.uuid5(uuid.NAMESPACE_OID, '1.3.6.1'),
|
|
'1447fa61-5277-5fef-a9b3-fbc6e44f4af3'),
|
|
(uuid.uuid5(uuid.NAMESPACE_X500, 'c=ca'),
|
|
'cc957dd1-a972-5349-98cd-874190002798'),
|
|
]:
|
|
equal(u.variant, uuid.RFC_4122)
|
|
equal(u.version, 5)
|
|
equal(u, uuid.UUID(v))
|
|
equal(str(u), v)
|
|
|
|
@unittest.skipUnless(os.name == 'posix', 'requires Posix')
|
|
def testIssue8621(self):
|
|
# On at least some versions of OSX uuid.uuid4 generates
|
|
# the same sequence of UUIDs in the parent and any
|
|
# children started using fork.
|
|
fds = os.pipe()
|
|
pid = os.fork()
|
|
if pid == 0:
|
|
os.close(fds[0])
|
|
value = uuid.uuid4()
|
|
os.write(fds[1], value.hex)
|
|
os._exit(0)
|
|
|
|
else:
|
|
os.close(fds[1])
|
|
self.addCleanup(os.close, fds[0])
|
|
parent_value = uuid.uuid4().hex
|
|
os.waitpid(pid, 0)
|
|
child_value = os.read(fds[0], 100)
|
|
|
|
self.assertNotEqual(parent_value, child_value)
|
|
|
|
|
|
|
|
|
|
|
|
def test_main():
|
|
test_support.run_unittest(TestUUID)
|
|
|
|
if __name__ == '__main__':
|
|
test_main()
|