referrerpolicy=no-referrer-when-downgrade

polkadot_subsystem_bench/
utils.rs

1// Copyright (C) Parity Technologies (UK) Ltd.
2// This file is part of Polkadot.
3
4// Polkadot is free software: you can redistribute it and/or modify
5// it under the terms of the GNU General Public License as published by
6// the Free Software Foundation, either version 3 of the License, or
7// (at your option) any later version.
8
9// Polkadot is distributed in the hope that it will be useful,
10// but WITHOUT ANY WARRANTY; without even the implied warranty of
11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12// GNU General Public License for more details.
13
14// You should have received a copy of the GNU General Public License
15// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
16
17//! Test utils
18
19use std::{fs::File, io::Write};
20
21// Saves a given string to a file
22pub fn save_to_file(path: &str, value: String) -> color_eyre::eyre::Result<()> {
23	let output = std::process::Command::new(env!("CARGO"))
24		.arg("locate-project")
25		.arg("--workspace")
26		.arg("--message-format=plain")
27		.output()
28		.unwrap()
29		.stdout;
30	let workspace_dir = std::path::Path::new(std::str::from_utf8(&output).unwrap().trim())
31		.parent()
32		.unwrap();
33	let path = workspace_dir.join(path);
34	if let Some(dir) = path.parent() {
35		std::fs::create_dir_all(dir)?;
36	}
37	let mut file = File::create(path)?;
38	file.write_all(value.as_bytes())?;
39
40	Ok(())
41}