coreutils/tests/by-util/test_link.rs

use crate::common::util::TestScenario;

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

#[cfg(not(target_os = "android"))]
#[test]
fn test_link_existing_file() {
    let (at, mut ucmd) = at_and_ucmd!();
    let file = "test_link_existing_file";
    let link = "test_link_existing_file_link";

    at.touch(file);
    at.write(file, "foobar");
    assert!(at.file_exists(file));

    ucmd.args(&[file, link]).succeeds().no_stderr();
    assert!(at.file_exists(file));
    assert!(at.file_exists(link));
    assert_eq!(at.read(file), at.read(link));
}

#[test]
fn test_link_no_circular() {
    let (at, mut ucmd) = at_and_ucmd!();
    let link = "test_link_no_circular";

    ucmd.args(&[link, link])
        .fails()
        .stderr_is("link: cannot create link 'test_link_no_circular' to 'test_link_no_circular': No such file or directory\n");
    assert!(!at.file_exists(link));
}

#[test]
fn test_link_nonexistent_file() {
    let (at, mut ucmd) = at_and_ucmd!();
    let file = "test_link_nonexistent_file";
    let link = "test_link_nonexistent_file_link";

    ucmd.args(&[file, link])
        .fails()
        .stderr_only("link: cannot create link 'test_link_nonexistent_file_link' to 'test_link_nonexistent_file': No such file or directory\n");
    assert!(!at.file_exists(file));
    assert!(!at.file_exists(link));
}

#[test]
fn test_link_one_argument() {
    let (_, mut ucmd) = at_and_ucmd!();
    let file = "test_link_argument";
    ucmd.args(&[file])
        .fails()
        .stderr_contains("2 values required");
}

#[test]
fn test_link_three_arguments() {
    let (_, mut ucmd) = at_and_ucmd!();
    let arguments = vec![
        "test_link_argument1",
        "test_link_argument2",
        "test_link_argument3",
    ];
    ucmd.args(&arguments[..])
        .fails()
        .stderr_contains("2 values required");
}