def test_is_equivalent_fail():
sid = uuid.UUID('1234567890abcdef1234567890abcdef')
dl1 = DataLink(uuid.UUID('1234567890abcdef1234567890abcdee'),
DataUnitID(UPA('2/6/4'), 'whee'),
SampleNodeAddress(SampleAddress(sid, 8), 'bar'), dt(400),
UserID('myuserᚥnameisHank'), dt(400), UserID('yay'))
with raises(Exception) as got:
dl1.is_equivalent(None)
assert_exception_correct(
got.value,
ValueError('link cannot be a value that evaluates to false'))
def _is_equivalent(duid1, sna1, duid2, sna2, expected):
dl1 = DataLink(uuid.UUID('1234567890abcdef1234567890abcdee'), duid1, sna1,
dt(400), UserID('myuserᚥnameisHank'), dt(400),
UserID('yay'))
dl2 = DataLink(uuid.UUID('1234567890abcdef1234567890abcdef'), duid2, sna2,
dt(500), UserID('waaaahrrgg'), dt(8900),
UserID('go faster stripes'))
assert dl1.is_equivalent(dl2) is expected
assert dl2.is_equivalent(dl1) is expected