#!/usr/bin/env python3

from tentacles.db import Db


def test_db_initializes(db: Db):
    assert isinstance(db, Db)


def test_db_savepoint(db: Db):
    obj = db.savepoint()

    assert hasattr(obj, "__enter__")
    assert hasattr(obj, "__exit__")

    flag = False
    with obj:
        flag = True
    assert flag