coreutils 0.4.0

coreutils ~ GNU coreutils (updated); implemented as universal (cross-platform) utils, written in Rust
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// This file is part of the uutils coreutils package.
//
// For the full copyright and license information, please view the LICENSE
// file that was distributed with this source code.
use std::env;
use uutests::new_ucmd;
use uutests::util::is_ci;

#[test]
fn test_invalid_arg() {
    new_ucmd!().arg("--definitely-invalid").fails_with_code(1);
}

#[test]
fn test_normal() {
    let result = new_ucmd!().run();
    println!("env::var(CI).is_ok() = {}", env::var("CI").is_ok());

    for (key, value) in env::vars() {
        println!("{key}: {value}");
    }
    if (is_ci() || uucore::os::is_wsl()) && result.stderr_str().contains("no login name") {
        // ToDO: investigate WSL failure
        // In the CI, some server are failing to return logname.
        // As seems to be a configuration issue, ignoring it
        return;
    }

    result.success();
    assert!(!result.stdout_str().trim().is_empty());
}