def test_model_copy_with_update():
instance = PersonModel(first_name="Jean", last_name="Valjean")
copied = instance.copy(update={"last_name": "Pierre"})
assert instance.id == copied.id
assert instance.first_name == copied.first_name
assert copied.last_name == "Pierre"
def test_model_copy_with_update_primary_key():
instance = PersonModel(first_name="Jean", last_name="Valjean")
copied = instance.copy(update={"id": ObjectId()})
assert instance.first_name == copied.first_name
assert copied.last_name == copied.last_name
assert instance.id != copied.id
def test_model_copy_without_update():
instance = PersonModel(first_name="Jean", last_name="Valjean")
copied = instance.copy()
assert instance == copied