#![warn(rust_2018_idioms, unused_lifetimes)] use std::path::PathBuf; use std::process::Command; #[test] fn fmt() { if option_env!("RUSTC_TEST_SUITE").is_some() || option_env!("NO_FMT_TEST").is_some() { return; } let root_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR")); let output = Command::new("cargo") .current_dir(root_dir) .args(["dev", "fmt", "--check"]) .output() .unwrap(); println!("status: {}", output.status); println!("stdout: {}", String::from_utf8_lossy(&output.stdout)); println!("stderr: {}", String::from_utf8_lossy(&output.stderr)); assert!( output.status.success(), "Formatting check failed. Run `cargo dev fmt` to update formatting." ); }