def test_constraints_order():
"""In the previous tests, we defined the container first and
then the items. We can define these in the opposite order.
"""
class Contact:
interface.implements(IContact)
class Contacts:
interface.implements(IContacts)
assert checkObject(Contacts(), 'x', Contact()) is None
assert checkFactory(Contacts(), 'x', Factory(Contact))
with pytest.raises(InvalidItemType):
checkObject(Contacts(), 'x', object())
assert not checkFactory(Contacts(), 'x', Factory(object))
def test_contraints():
class Buddy:
interface.implements(IBuddy)
class BuddyFolder:
interface.implements(IBuddyFolder)
assert checkObject(BuddyFolder(), 'x', Buddy()) is None
assert checkFactory(BuddyFolder(), 'x', Factory(Buddy))
class Contained:
interface.implements(IContained)
with pytest.raises(InvalidContainerType):
checkObject(Container(), 'x', Buddy())
assert not checkFactory(Container(), 'x', Factory(Buddy))
with pytest.raises(InvalidItemType):
checkObject(BuddyFolder(), 'x', Contained())
def get_valid_factories(container):
for name, factory in getUtilitiesFor(dolmen.content.IFactory):
if checkFactory(container, name, factory):
yield name, factory
