src/sys/appmgr/integration_tests/util/data_file_reader_writer.fidl

// Copyright 2018 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

library test.appmgr.integration;

using zx;

// A simple interface implemented by isolated_storage_test_util and used to test persistent storage
// isolation.
[Discoverable]
protocol DataFileReaderWriter {
    // Read the file at /data/<path> in the util's namespace and return its contents. If the file
    // does not exist, returns null.
    ReadFile(string path) -> (string? contents);

    // Write the provided contents to a file at /data/<path> in the util's namespace, overwriting
    // any existing files.
    WriteFile(string path, string contents) -> (zx.status status);
};