test_uuid.py 文件源码

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)