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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
use std::process::Command;
/// A simple trait to facilitate unit testing of functions that run commands.
pub(crate) trait CommandRunner {
fn run(&self, cmd: &mut Command) -> Result<i32, Box<dyn std::error::Error>>;
}
pub(crate) struct RealRunner;
impl CommandRunner for RealRunner {
fn run(&self, cmd: &mut Command) -> Result<i32, Box<dyn std::error::Error>> {
Ok(cmd
.spawn()?
.wait()?
.code()
.ok_or("process had no exit code")?)
}
}