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optuna-dashboard/python_tests/preferential/test_system_attrs.py
T

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Python

from __future__ import annotations
from typing import Callable
import optuna
from optuna_dashboard.preferential._system_attrs import get_preferences
from optuna_dashboard.preferential._system_attrs import report_preferences
from ..storage_supplier import parametrize_storages
from ..storage_supplier import StorageSupplier
@parametrize_storages
def test_report_and_get_preferences(storage_supplier: Callable[[], StorageSupplier]) -> None:
with storage_supplier() as storage:
study = optuna.create_study(storage=storage)
study.ask()
study.ask()
assert len(get_preferences(study)) == 0
better, worse = study.trials[0], study.trials[1]
report_preferences(study, [(better, worse)])
assert len(get_preferences(study)) == 1
actual_better, actual_worse = get_preferences(study)[0]
assert actual_better.number == better.number
assert actual_worse.number == worse.number