def test_remove(self) -> None:
i = MemoryDescriptorSet()
descrs = [random_descriptor() for _ in range(100)]
i.add_many_descriptors(descrs)
self.assertEqual(len(i), 100)
self.assertEqual(list(i.descriptors()), descrs)
# remove singles
i.remove_descriptor(descrs[0].uuid())
self.assertEqual(len(i), 99)
self.assertEqual(set(i.descriptors()), set(descrs[1:]))
# remove many
rm_d = descrs[slice(45, 80, 3)]
i.remove_many_descriptors((d.uuid() for d in rm_d))
self.assertEqual(len(i), 99 - len(rm_d))
self.assertEqual(set(i.descriptors()),
set(descrs[1:]).difference(rm_d))
def test_descrs(self) -> None:
i = MemoryDescriptorSet()
descrs = [random_descriptor() for _ in range(100)]
i.add_many_descriptors(descrs)
self.assertEqual(set(i.descriptors()), set(descrs))
