def test_be(collection, flag):
(optional, multiple) = SubrecordCollection.parse_flag(flag)
subc = collection.be(flag)
assert isinstance(subc, SubrecordCollection)
assert subc.name == collection.name
assert subc.items == collection.items
assert subc.optional == optional
assert subc.multiple == multiple
def test_from_definition(definition):
subc = SubrecordCollection.from_definition(*definition)
assert isinstance(subc, SubrecordCollection)
assert definition[0].startswith(subc.name)
assert [item.to_definition() for item in subc.items] == definition[-1]
if definition[0][-1] in ("*", "+", "?"):
(optional, multiple) = SubrecordCollection.parse_flag(definition[0][-1])
assert subc.optional == optional
assert subc.multiple == multiple
else:
assert not subc.optional
assert not subc.multiple