def test_keys(self):
collection = BaseNamedCollection(ITEMS, NAMES)
for name in collection.keys():
assert name in NAMES.keys()
assert collection.get(name) in collection.values()
## symmetry in relationship to UID:
assert collection.name_for(collection.uid_for(name)) is name
def test_setops(self):
collection1 = BaseNamedCollection(ITEMS, NAMES)
namemap = NAMES.copy()
uid = str(uuid.uuid3(NS_PKG, 'item3'))
namemap['item3'] = uid
collection2 = BaseNamedCollection(ITEMS2, namemap)
self.assertIsInstance(
collection2.difference(collection1),
BaseNamedCollection,
)
self.assertEqual(
set((collection1 & collection2).keys()),
set(collection1.keys())
)
self.assertEqual(
set((collection2 | collection1).keys()),
set(collection2.keys())
)
# sufficient test:
self.assertEqual(
set(collection2.keys()),
set(namemap.keys())
)
