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from pyroute2.common import dqn2int, hexdump, hexload, uifname, uuid32
def test_hexdump():
binary = b'abcdef5678'
dump1 = hexdump(binary)
dump2 = hexdump(binary, length=6)
assert len(dump1) == 29
assert len(dump2) == 17
assert dump1[2] == dump1[-3] == dump2[2] == dump2[-3] == ':'
assert hexload(dump1) == binary
assert hexload(dump2) == binary[:6]
def test_uuid32():
uA = uuid32()
uB = uuid32()
prime = __builtins__.get('long', int)
assert isinstance(uA, prime)
assert isinstance(uB, prime)
assert uA != uB
assert uA < 0x100000000
assert uB < 0x100000000
def test_dqn2int():
assert dqn2int('255.255.255.0') == 24
assert dqn2int('255.240.0.0') == 12
assert dqn2int('255.0.0.0') == 8
def test_uifname():
nA = uifname()
nB = uifname()
assert nA != nB
assert int(nA[2:], 16) != int(nB[2:], 16)
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