mirror of
https://github.com/RGBCube/uutils-coreutils
synced 2025-07-27 19:17:43 +00:00
113 lines
2.8 KiB
Rust
113 lines
2.8 KiB
Rust
// This file is part of the uutils coreutils package.
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//
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// For the full copyright and license information, please view the LICENSE
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// file that was distributed with this source code.
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use std::ffi::OsStr;
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use std::process::ExitStatus;
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#[cfg(unix)]
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use std::os::unix::process::ExitStatusExt;
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use uutests::new_ucmd;
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#[cfg(unix)]
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fn check_termination(result: ExitStatus) {
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assert_eq!(result.signal(), Some(libc::SIGPIPE));
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}
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#[cfg(not(unix))]
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fn check_termination(result: ExitStatus) {
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assert!(result.success(), "yes did not exit successfully");
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}
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const NO_ARGS: &[&str] = &[];
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/// Run `yes`, capture some of the output, then check exit status.
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fn run(args: &[impl AsRef<OsStr>], expected: &[u8]) {
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let result = new_ucmd!().args(args).run_stdout_starts_with(expected);
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check_termination(result.exit_status());
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}
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#[test]
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fn test_invalid_arg() {
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new_ucmd!().arg("--definitely-invalid").fails_with_code(1);
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}
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#[test]
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fn test_version() {
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new_ucmd!().arg("--version").succeeds();
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}
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#[test]
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fn test_simple() {
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run(NO_ARGS, b"y\ny\ny\ny\n");
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}
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#[test]
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fn test_args() {
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run(&["a", "bar", "c"], b"a bar c\na bar c\na ba");
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}
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#[test]
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fn test_long_output() {
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run(NO_ARGS, "y\n".repeat(512 * 1024).as_bytes());
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}
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/// Test with an output that seems likely to get mangled in case of incomplete writes.
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#[test]
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fn test_long_odd_output() {
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run(&["abcdef"], "abcdef\n".repeat(1024 * 1024).as_bytes());
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}
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/// Test with an input that doesn't fit in the standard buffer.
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#[test]
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fn test_long_input() {
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#[cfg(not(windows))]
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const TIMES: usize = 14000;
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// On Windows the command line is limited to 8191 bytes.
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// This is not actually enough to fill the buffer, but it's still nice to
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// try something long.
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#[cfg(windows)]
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const TIMES: usize = 500;
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let arg = "abcdef".repeat(TIMES) + "\n";
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let expected_out = arg.repeat(30);
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run(&[&arg[..arg.len() - 1]], expected_out.as_bytes());
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}
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#[test]
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#[cfg(any(target_os = "linux", target_os = "freebsd", target_os = "netbsd"))]
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fn test_piped_to_dev_full() {
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use std::fs::OpenOptions;
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for append in [true, false] {
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{
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let dev_full = OpenOptions::new()
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.write(true)
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.append(append)
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.open("/dev/full")
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.unwrap();
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new_ucmd!()
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.set_stdout(dev_full)
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.fails()
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.stderr_contains("No space left on device");
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}
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}
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}
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#[test]
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#[cfg(any(unix, target_os = "wasi"))]
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fn test_non_utf8() {
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#[cfg(unix)]
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use std::os::unix::ffi::OsStrExt;
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#[cfg(target_os = "wasi")]
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use std::os::wasi::ffi::OsStrExt;
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run(
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&[
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OsStr::from_bytes(b"\xbf\xff\xee"),
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OsStr::from_bytes(b"bar"),
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],
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&b"\xbf\xff\xee bar\n".repeat(5000),
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);
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}
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