def test_dimension_addition_backward_not_existing(self, trials):
"""Test :meth:`orion.core.evc.adapters.DimensionAddition.backward`
with valid param and invalid trials because param does not exist
"""
new_param = Trial.Param(name="second_normal_prior",
type="integer",
value=1)
dimension_addition_adapter = DimensionAddition(new_param)
with pytest.raises(RuntimeError) as exc_info:
dimension_addition_adapter.backward(trials)
assert "Provided trial does not have a compatible configuration" in str(
exc_info.value)
def test_dimension_addition_backward(self, dummy_param, trials):
"""Test :meth:`orion.core.evc.adapters.DimensionAddition.backward`
with valid param and valid trials
"""
new_param = Trial.Param(name="second_normal_prior",
type="integer",
value=1)
dimension_addition_adapter = DimensionAddition(new_param)
sampler = DimensionBuilder().build("random",
"uniform(10, 100, discrete=True)")
for trial in trials:
random_param = new_param.to_dict()
random_param["value"] = sampler.sample()
trial._params.append(Trial.Param(**random_param))
adapted_trials = dimension_addition_adapter.backward(trials)
assert len(adapted_trials) == 0
trials[0]._params[-1].value = 1
assert trials[0]._params[-1] == new_param
adapted_trials = dimension_addition_adapter.backward(trials)
assert len(adapted_trials) == 1
trials[4]._params[-1].value = 1
assert trials[4]._params[-1] == new_param
adapted_trials = dimension_addition_adapter.backward(trials)
assert len(adapted_trials) == 2
trials[-1]._params[-1].value = 1
assert trials[-1]._params[-1] == new_param
adapted_trials = dimension_addition_adapter.backward(trials)
assert len(adapted_trials) == 3
assert new_param not in (adapted_trials[0]._params)
assert new_param not in (adapted_trials[1]._params)
assert new_param not in (adapted_trials[2]._params)