// Oak Video Editor - Non-Linear Video Editor
// Copyright (C) 2026 Oak Team
//
// 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 <http://www.gnu.org/licenses/>.

//! Binary-level tests for `oak-worker`: the process exit contract. The
//! NDJSON control-loop behavior itself is exercised in-process in
//! `src/session.rs` (a real loop test would require a working GPU backend,
//! so it stays out of the unit suite).

use std::process::Command;

fn bin() -> &'static str {
	env!("CARGO_BIN_EXE_oak-worker")
}

#[test]
fn backend_none_exits_one_like_the_cpp_main() {
	// Mirrors oakengine_worker_main(): without a renderer the worker cannot
	// do anything and exits 1.
	let out = Command::new(bin())
		.args(["--backend", "none"])
		.output()
		.expect("spawn oak-worker");
	assert_eq!(out.status.code(), Some(1));
	let stderr = String::from_utf8_lossy(&out.stderr);
	assert!(
		stderr.contains("no renderer initialized"),
		"stderr: {stderr}"
	);
}