tests/unit_tests/databases/dao/dao_tests.py

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from collections.abc import Iterator

import pytest
from sqlalchemy.orm.session import Session


@pytest.fixture
def session_with_data(session: Session) -> Iterator[Session]:
    from superset.connectors.sqla.models import SqlaTable
    from superset.databases.ssh_tunnel.models import SSHTunnel
    from superset.models.core import Database

    engine = session.get_bind()
    SqlaTable.metadata.create_all(engine)  # pylint: disable=no-member

    database = Database(database_name="my_database", sqlalchemy_uri="sqlite://")
    sqla_table = SqlaTable(
        table_name="my_sqla_table",
        columns=[],
        metrics=[],
        database=database,
    )
    ssh_tunnel = SSHTunnel(
        database_id=database.id,
        database=database,
    )

    session.add(database)
    session.add(sqla_table)
    session.add(ssh_tunnel)
    session.flush()
    yield session
    session.rollback()


def test_database_get_ssh_tunnel(session_with_data: Session) -> None:
    from superset.daos.database import DatabaseDAO
    from superset.databases.ssh_tunnel.models import SSHTunnel

    result = DatabaseDAO.get_ssh_tunnel(1)

    assert result
    assert isinstance(result, SSHTunnel)
    assert 1 == result.database_id


def test_database_get_ssh_tunnel_not_found(session_with_data: Session) -> None:
    from superset.daos.database import DatabaseDAO

    result = DatabaseDAO.get_ssh_tunnel(2)

    assert result is None