coreutils 0.0.17

coreutils ~ GNU coreutils (updated); implemented as universal (cross-platform) utils, written in Rust
use crate::common::util::*;

#[test]
fn test_invalid_arg() {
    new_ucmd!().arg("--definitely-invalid").fails().code_is(1);
}
#[test]
fn test_sort_call_graph() {
    new_ucmd!()
        .arg("call_graph.txt")
        .run()
        .stdout_is_fixture("call_graph.expected");
}

#[test]
fn test_sort_self_loop() {
    new_ucmd!()
        .pipe_in("first first\nfirst second second second")
        .succeeds()
        .stdout_only("first\nsecond\n");
}

#[test]
fn test_no_such_file() {
    new_ucmd!()
        .arg("invalid_file_txt")
        .fails()
        .stderr_contains("No such file or directory");
}

#[test]
fn test_version_flag() {
    let version_short = new_ucmd!().arg("-V").succeeds();
    let version_long = new_ucmd!().arg("--version").succeeds();

    assert_eq!(version_short.stdout_str(), version_long.stdout_str());
}

#[test]
fn test_help_flag() {
    let help_short = new_ucmd!().arg("-h").succeeds();
    let help_long = new_ucmd!().arg("--help").succeeds();

    assert_eq!(help_short.stdout_str(), help_long.stdout_str());
}

#[test]
fn test_multiple_arguments() {
    new_ucmd!()
        .arg("call_graph.txt")
        .arg("invalid_file")
        .fails()
        .stderr_contains(
            "Found argument 'invalid_file' which wasn't expected, or isn't valid in this context",
        );
}