def test_invariants(self):
"""Test interface invariants for IItemSubscriber"""
verify = lambda sub: IItemSubscriber.validateInvariants(sub)
# test empty email and user
subscriber = ItemSubscriber()
self.assertRaises(Invalid, verify, subscriber)
# test email only
subscriber.email = "*****@*****.**"
self.fail_on_err(Invalid, verify, subscriber)
# test both user and email
subscriber.user = "******"
self.fail_on_err(Invalid, verify, subscriber)
# test user only
subscriber.email = None
self.fail_on_err(Invalid, verify, subscriber)
def test_normalize_key_invalid(self):
key = "somestring"
self.assertRaises(KeyError, self.container.add, key)
badsub = ItemSubscriber()
badsub.email = None
badsub.user = None
self.assertRaises(Invalid, self.container.add, badsub)
def test_normalize_key_email(self):
expected = ("email", "*****@*****.**")
sub = ItemSubscriber()
sub.email = expected[1]
assert self.container._normalize_key(sub) == expected
k, v = self.container.add(sub)
assert k == expected
assert expected in self.container
def test_signature(self):
key1 = ("email", "*****@*****.**")
sub1 = ItemSubscriber()
self.assertRaises(Invalid, sub1.signature) # no email, no user
sub1.email = "*****@*****.**"
assert sub1.signature() == key1
key2 = ("member", "here")
sub2 = ItemSubscriber()
sub2.user = "******" # default namespace is 'member'
assert sub2.signature() == key2
