def test_user_list_serializer_none_data() -> None:
serializer = UserListSerializer(data=None)
assert not serializer.is_valid()
assert serializer.validated_data == {}
assert serializer.data == {}
assert "non_field_errors" in serializer.errors
assert serializer.errors["non_field_errors"][0].code == "null"
def test_user_list_serializer_valid() -> None:
input_data = {
"first_name": "Karol",
"last_name": "Guzikowski",
}
serializer = UserListSerializer(data=input_data)
assert serializer.is_valid()
assert serializer.validated_data == input_data
assert serializer.data == input_data
def test_user_list_serializer_not_valid_missing_field() -> None:
input_data = {
"last_name": "Guzikowski",
}
serializer = UserListSerializer(data=input_data)
assert not serializer.is_valid()
assert serializer.validated_data == {}
assert serializer.data == input_data
assert "first_name" in serializer.errors
assert serializer.errors["first_name"][0].code == "required"