def test_validate_from_dict():
instance = PersonModel.validate({
"first_name": "Jean",
"last_name": "Pierre"
})
assert isinstance(instance, PersonModel)
assert instance.first_name == "Jean" and instance.last_name == "Pierre"
def test_validate_does_not_copy():
instance = PersonModel(first_name="Jean", last_name="Pierre")
assert PersonModel.validate(instance) is instance