test_middlewares.py 文件源码

def test_caching_json_write(tmpdir):
    path = str(tmpdir.join('test.db'))

    db = TinyDB(path, storage=CachingMiddleware(JSONStorage))

    db.insert({'key': 'value'})

    db.close()

    # Verify database filesize
    statinfo = os.stat(path)
    assert statinfo.st_size != 0

    # Assert JSON file has been closed
    assert db._storage._handle.closed

    del db

    # Repoen database
    db = TinyDB(path, storage=CachingMiddleware(JSONStorage))
    assert db.all() == [{'key': 'value'}]