def validation_target(self):
"""Get a `DatasetSentinel` representing an Experiment's `fold_validation_target`
Returns
-------
DatasetSentinel:
A `Sentinel` that will be converted to :attr:`hyperparameter_hunter.experiments.BaseExperiment.fold_validation_target`
upon `Model` initialization"""
return DatasetSentinel("validation_target", **self._dataset_sentinel_helper())
def holdout_target(self):
"""Get a `DatasetSentinel` representing an Experiment's `holdout_target_data`
Returns
-------
DatasetSentinel:
A `Sentinel` that will be converted to :attr:`hyperparameter_hunter.experiments.BaseExperiment.holdout_target_data`
upon `Model` initialization"""
return DatasetSentinel('holdout_target', self.cross_experiment_key.parameters['holdout_dataset'])
def test_dataset_sentinel_validate_parameters(sentinel_parameters,
error_match):
"""Ensure appropriate ValueErrors raised by `sentinels.DatasetSentinel._validate_parameters`"""
with pytest.raises(ValueError, match=error_match):
DatasetSentinel(*sentinel_parameters)