node-cli 2.0.0

Generic Tetcore node implementation in Rust.
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// This file is part of Tetcore.

// Copyright (C) 2020-2021 Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: GPL-3.0-or-later WITH Classpath-exception-2.0

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.

#![cfg(unix)]

use assert_cmd::cargo::cargo_bin;
use nix::sys::signal::{kill, Signal::SIGINT};
use nix::unistd::Pid;
use regex::Regex;
use std::convert::TryInto;
use std::io::Read;
use std::path::PathBuf;
use std::process::{Command, Stdio};
use std::thread;
use std::time::Duration;

pub mod common;

#[test]
fn temp_base_path_works() {
	let mut cmd = Command::new(cargo_bin("tetcore"));

	let mut cmd = cmd
		.args(&["--dev", "--tmp"])
		.stdout(Stdio::piped())
		.stderr(Stdio::piped())
		.spawn()
		.unwrap();

	// Let it produce some blocks.
	thread::sleep(Duration::from_secs(30));
	assert!(
		cmd.try_wait().unwrap().is_none(),
		"the process should still be running"
	);

	// Stop the process
	kill(Pid::from_raw(cmd.id().try_into().unwrap()), SIGINT).unwrap();
	assert!(common::wait_for(&mut cmd, 40)
		.map(|x| x.success())
		.unwrap_or_default());

	// Ensure the database has been deleted
	let mut stderr = String::new();
	cmd.stderr.unwrap().read_to_string(&mut stderr).unwrap();
	let re = Regex::new(r"Database: .+ at (\S+)").unwrap();
	let db_path = PathBuf::from(
		re.captures(stderr.as_str())
			.unwrap()
			.get(1)
			.unwrap()
			.as_str()
			.to_string(),
	);

	assert!(!db_path.exists());
}