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from sqlalchemy.orm.session import Session

from superset.daos.dataset import DatasetDAO
from superset.sql_parse import Table


def test_validate_update_uniqueness(session: Session) -> None:
    """
    Test the `validate_update_uniqueness` static method.

    In particular, allow datasets with the same name in the same database as long as they
    are in different schemas
    """  # noqa: E501
    from superset import db
    from superset.connectors.sqla.models import SqlaTable
    from superset.models.core import Database

    SqlaTable.metadata.create_all(session.get_bind())

    database = Database(
        database_name="my_db",
        sqlalchemy_uri="sqlite://",
    )
    dataset1 = SqlaTable(
        table_name="my_dataset",
        schema="main",
        database=database,
    )
    dataset2 = SqlaTable(
        table_name="my_dataset",
        schema="dev",
        database=database,
    )
    db.session.add_all([database, dataset1, dataset2])
    db.session.flush()

    assert (
        DatasetDAO.validate_update_uniqueness(
            database=database,
            table=Table(dataset1.table_name, dataset1.schema),
            dataset_id=dataset1.id,
        )
        is True
    )

    assert (
        DatasetDAO.validate_update_uniqueness(
            database=database,
            table=Table(dataset1.table_name, dataset2.schema),
            dataset_id=dataset1.id,
        )
        is False
    )

    assert (
        DatasetDAO.validate_update_uniqueness(
            database=database,
            table=Table(dataset1.table_name),
            dataset_id=dataset1.id,
        )
        is True
    )