nordisk/nornir

crates/mimir-driver/tests/pin.rs

//! The driver is built against ONE nightly; assert the pin is what we think.

use mimir_driver::{MIMIR_NIGHTLY, MIMIR_NIGHTLY_COMMIT};

#[test]
fn toolchain_file_matches_the_const() {
    let t = std::fs::read_to_string(concat!(env!("CARGO_MANIFEST_DIR"), "/rust-toolchain.toml")).unwrap();
    assert!(t.contains(&format!("channel = \"{MIMIR_NIGHTLY}\"")), "rust-toolchain.toml channel != {MIMIR_NIGHTLY}");
}

#[test]
fn pinned_rustc_has_the_recorded_commit_hash() {
    let o = std::process::Command::new("rustc")
        .env("RUSTUP_TOOLCHAIN", MIMIR_NIGHTLY)
        .arg("-vV")
        .output()
        .expect("rustc -vV");
    let out = String::from_utf8_lossy(&o.stdout);
    assert!(
        out.lines().any(|l| l == format!("commit-hash: {MIMIR_NIGHTLY_COMMIT}")),
        "pinned rustc reports:\n{out}"
    );
}