coreutils/tests/by-util/test_more.rs

use crate::common::util::*;

#[test]
fn test_more_no_arg() {
    // Reading from stdin is now supported, so this must succeed
    if atty::is(atty::Stream::Stdout) {
        new_ucmd!().succeeds();
    } else {
    }
}

#[test]
fn test_more_dir_arg() {
    // Run the test only if there's a valid terminal, else do nothing
    // Maybe we could capture the error, i.e. "Device not found" in that case
    // but I am leaving this for later
    if atty::is(atty::Stream::Stdout) {
        let ts = TestScenario::new(util_name!());
        let result = ts.ucmd().arg(".").run();
        result.failure();
        let expected_error_message = &format!(
            "{0}: '.' is a directory.\nTry '{1} {0} --help' for more information.",
            ts.util_name,
            ts.bin_path.to_string_lossy()
        );
        assert_eq!(result.stderr_str().trim(), expected_error_message);
    } else {
    }
}