coreutils/tests/by-util/test_yes.rs
2023-08-21 10:49:27 +02:00

119 lines
3 KiB
Rust

// 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::ffi::OsStr;
use std::process::{ExitStatus, Stdio};
#[cfg(unix)]
use std::os::unix::process::ExitStatusExt;
use crate::common::util::TestScenario;
#[cfg(unix)]
fn check_termination(result: ExitStatus) {
assert_eq!(result.signal(), Some(libc::SIGPIPE));
}
#[cfg(not(unix))]
fn check_termination(result: ExitStatus) {
assert!(result.success(), "yes did not exit successfully");
}
const NO_ARGS: &[&str] = &[];
/// Run `yes`, capture some of the output, close the pipe, and verify it.
fn run(args: &[impl AsRef<OsStr>], expected: &[u8]) {
let mut cmd = new_ucmd!();
let mut child = cmd.args(args).set_stdout(Stdio::piped()).run_no_wait();
let buf = child.stdout_exact_bytes(expected.len());
child.close_stdout();
#[allow(deprecated)]
check_termination(child.wait_with_output().unwrap().status);
assert_eq!(buf.as_slice(), expected);
}
#[test]
fn test_invalid_arg() {
new_ucmd!().arg("--definitely-invalid").fails().code_is(1);
}
#[test]
fn test_version() {
new_ucmd!().arg("--version").succeeds();
}
#[test]
fn test_simple() {
run(NO_ARGS, b"y\ny\ny\ny\n");
}
#[test]
fn test_args() {
run(&["a", "bar", "c"], b"a bar c\na bar c\na ba");
}
#[test]
fn test_long_output() {
run(NO_ARGS, "y\n".repeat(512 * 1024).as_bytes());
}
/// Test with an output that seems likely to get mangled in case of incomplete writes.
#[test]
fn test_long_odd_output() {
run(&["abcdef"], "abcdef\n".repeat(1024 * 1024).as_bytes());
}
/// Test with an input that doesn't fit in the standard buffer.
#[test]
fn test_long_input() {
#[cfg(not(windows))]
const TIMES: usize = 14000;
// On Windows the command line is limited to 8191 bytes.
// This is not actually enough to fill the buffer, but it's still nice to
// try something long.
#[cfg(windows)]
const TIMES: usize = 500;
let arg = "abcdef".repeat(TIMES) + "\n";
let expected_out = arg.repeat(30);
run(&[&arg[..arg.len() - 1]], expected_out.as_bytes());
}
#[test]
#[cfg(any(target_os = "linux", target_os = "freebsd", target_os = "netbsd"))]
fn test_piped_to_dev_full() {
use std::fs::OpenOptions;
for append in [true, false] {
{
let dev_full = OpenOptions::new()
.write(true)
.append(append)
.open("/dev/full")
.unwrap();
new_ucmd!()
.set_stdout(dev_full)
.fails()
.stderr_contains("No space left on device");
}
}
}
#[test]
#[cfg(any(unix, target_os = "wasi"))]
fn test_non_utf8() {
#[cfg(unix)]
use std::os::unix::ffi::OsStrExt;
#[cfg(target_os = "wasi")]
use std::os::wasi::ffi::OsStrExt;
run(
&[
OsStr::from_bytes(b"\xbf\xff\xee"),
OsStr::from_bytes(b"bar"),
],
&b"\xbf\xff\xee bar\n".repeat(5000),
);
}