routing_test_helpers/
component_id_index.rs

1// Copyright 2021 The Fuchsia Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5use ::component_id_index::Index;
6use anyhow::Result;
7use fidl::persist;
8use fidl_fuchsia_component_internal as fcomponent_internal;
9use std::io::Write;
10use tempfile::NamedTempFile;
11
12/// Makes a temporary component ID index file with contents from the given `index`.
13pub fn make_index_file(index: Index) -> Result<NamedTempFile> {
14    let mut tmp_file = NamedTempFile::new()?;
15    tmp_file
16        .write_all(persist(&fcomponent_internal::ComponentIdIndex::try_from(index)?)?.as_ref())?;
17    Ok(tmp_file)
18}