mirror of
https://github.com/RGBCube/uutils-coreutils
synced 2025-07-28 03:27:44 +00:00
test_tail: add various tests for stdin-follow and stdin-redirect
* add various tests adapted from `gnu/tests/tail-2/follow-stdin.sh` * explicitly set_stdin to null where needed, otherwise stdin is always `piped` * tighten some existing tests (no_stderr, code_is, etc) * add test for fifo
This commit is contained in:
Jan Scheer
parent
5004d4b458
commit
59827bca1a
1 changed files with 276 additions and 28 deletions
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@ -16,6 +16,7 @@ use std::io::{Read, Write};
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use std::thread::sleep;
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#[cfg(unix)]
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use std::time::Duration;
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use std::process::Stdio;
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#[cfg(target_os = "linux")]
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pub static BACKEND: &str = "inotify";
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@ -37,7 +38,8 @@ fn test_stdin_default() {
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new_ucmd!()
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.pipe_in_fixture(FOOBAR_TXT)
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.run()
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.stdout_is_fixture("foobar_stdin_default.expected");
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.stdout_is_fixture("foobar_stdin_default.expected")
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.no_stderr();
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}
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#[test]
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@ -46,7 +48,207 @@ fn test_stdin_explicit() {
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.pipe_in_fixture(FOOBAR_TXT)
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.arg("-")
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.run()
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.stdout_is_fixture("foobar_stdin_default.expected");
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.stdout_is_fixture("foobar_stdin_default.expected")
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.no_stderr();
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}
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#[test]
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#[cfg(target_os = "linux")]
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fn test_stdin_redirect_file() {
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// $ echo foo > f
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// $ tail < f
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// foo
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// $ tail -f < f
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// foo
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//
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let ts = TestScenario::new(util_name!());
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let at = &ts.fixtures;
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at.write("f", "foo");
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ts.ucmd()
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.set_stdin(std::fs::File::open(at.plus("f")).unwrap())
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.run()
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.stdout_is("foo")
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.succeeded();
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ts.ucmd()
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.set_stdin(std::fs::File::open(at.plus("f")).unwrap())
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.arg("-v")
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.run()
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.stdout_is("==> standard input <==\nfoo")
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.succeeded();
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let mut p = ts.ucmd().arg("-f")
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.set_stdin(std::fs::File::open(at.plus("f")).unwrap())
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.run_no_wait();
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sleep(Duration::from_millis(500));
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p.kill().unwrap();
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let (buf_stdout, buf_stderr) = take_stdout_stderr(&mut p);
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dbg!(&buf_stdout);
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assert!(buf_stdout.eq("foo"));
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assert!(buf_stderr.is_empty());
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}
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#[test]
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#[cfg(target_os = "linux")]
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fn test_follow_redirect_stdin_name_retry() {
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// $ touch f && tail -F - < f
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// tail: cannot follow '-' by name
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// NOTE: Note sure why GNU's tail doesn't just follow `f` in this case.
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let ts = TestScenario::new(util_name!());
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let at = &ts.fixtures;
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at.touch("f");
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let mut args = vec!["-F", "-"];
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for _ in 0..2 {
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ts.ucmd()
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.set_stdin(std::fs::File::open(at.plus("f")).unwrap())
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.args(&args)
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.fails()
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.no_stdout()
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.stderr_is("tail: cannot follow '-' by name")
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.code_is(1);
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args.pop();
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}
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}
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#[test]
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#[cfg(unix)]
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fn test_stdin_redirect_dir() {
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// $ mkdir dir
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// $ tail < dir, $ tail - < dir
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// tail: error reading 'standard input': Is a directory
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let ts = TestScenario::new(util_name!());
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let at = &ts.fixtures;
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at.mkdir("dir");
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ts.ucmd()
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.set_stdin(std::fs::File::open(at.plus("dir")).unwrap())
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.fails()
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.no_stdout()
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.stderr_is("tail: error reading 'standard input': Is a directory")
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.code_is(1);
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ts.ucmd()
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.set_stdin(std::fs::File::open(at.plus("dir")).unwrap())
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.arg("-")
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.fails()
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.no_stdout()
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.stderr_is("tail: error reading 'standard input': Is a directory")
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.code_is(1);
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}
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#[test]
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#[cfg(target_os = "linux")]
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fn test_follow_stdin_descriptor() {
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let ts = TestScenario::new(util_name!());
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let mut args = vec!["-f", "-"];
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for _ in 0..2 {
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let mut p = ts.ucmd().args(&args).run_no_wait();
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sleep(Duration::from_millis(500));
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p.kill().unwrap();
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let (buf_stdout, buf_stderr) = take_stdout_stderr(&mut p);
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assert!(buf_stdout.is_empty());
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assert!(buf_stderr.is_empty());
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args.pop();
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}
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}
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#[test]
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#[cfg(target_os = "linux")]
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fn test_follow_stdin_name_retry() {
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// $ tail -F -
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// tail: cannot follow '-' by name
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let mut args = vec!["-F", "-"];
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for _ in 0..2 {
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new_ucmd!()
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.args(&args)
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.run()
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.no_stdout()
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.stderr_is("tail: cannot follow '-' by name")
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.code_is(1);
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args.pop();
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}
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}
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#[test]
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#[cfg(target_os = "linux")]
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#[cfg(disable_until_fixed)]
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fn test_follow_stdin_explicit_indefinitely() {
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// see: "gnu/tests/tail-2/follow-stdin.sh"
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// tail -f - /dev/null </dev/tty
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// tail: warning: following standard input indefinitely is ineffective
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// ==> standard input <==
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let ts = TestScenario::new(util_name!());
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let mut p = ts.ucmd().set_stdin(Stdio::null()).args(&["-f", "-", "/dev/null"]).run_no_wait();
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sleep(Duration::from_millis(500));
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p.kill().unwrap();
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let (buf_stdout, buf_stderr) = take_stdout_stderr(&mut p);
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dbg!(&buf_stdout, &buf_stderr);
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assert!(buf_stdout.eq("==> standard input <=="));
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assert!(buf_stderr.eq("tail: warning: following standard input indefinitely is ineffective"));
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// Also:
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// $ echo bar > foo
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//
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// $ tail -f - -
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// tail: warning: following standard input indefinitely is ineffective
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// ==> standard input <==
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//
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// $ tail -f - foo
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// tail: warning: following standard input indefinitely is ineffective
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// ==> standard input <==
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//
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//
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// $ tail -f - foo
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// tail: warning: following standard input indefinitely is ineffective
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// ==> standard input <==
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//
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// $ tail -f foo -
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// tail: warning: following standard input indefinitely is ineffective
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// ==> foo <==
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// bar
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//
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// ==> standard input <==
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//
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// $ echo f00 | tail -f foo -
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// bar
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//
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// TODO: Implement the above behavior of GNU's tail for following stdin indefinitely
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}
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#[test]
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#[cfg(target_os = "linux")]
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#[cfg(disable_until_fixed)]
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fn test_follow_bad_fd() {
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// Provoke a "bad file descriptor" error by closing the fd
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// see: "gnu/tests/tail-2/follow-stdin.sh"
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// `$ tail -f <&-` OR `$ tail -f - <&-`
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// tail: cannot fstat 'standard input': Bad file descriptor
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// tail: error reading 'standard input': Bad file descriptor
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// tail: no files remaining
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// tail: -: Bad file descriptor
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//
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// $ `tail <&-`
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// tail: cannot fstat 'standard input': Bad file descriptor
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// tail: -: Bad file descriptor
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// WONT-FIX:
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// see also: https://github.com/uutils/coreutils/issues/2873
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}
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#[test]
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@ -80,7 +282,7 @@ fn test_null_default() {
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fn test_follow_single() {
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let (at, mut ucmd) = at_and_ucmd!();
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let mut child = ucmd.arg("-f").arg(FOOBAR_TXT).run_no_wait();
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let mut child = ucmd.set_stdin(Stdio::null()).arg("-f").arg(FOOBAR_TXT).run_no_wait();
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let expected = at.read("foobar_single_default.expected");
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assert_eq!(read_size(&mut child, expected.len()), expected);
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@ -99,7 +301,7 @@ fn test_follow_single() {
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fn test_follow_non_utf8_bytes() {
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// Tail the test file and start following it.
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let (at, mut ucmd) = at_and_ucmd!();
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let mut child = ucmd.arg("-f").arg(FOOBAR_TXT).run_no_wait();
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let mut child = ucmd.arg("-f").set_stdin(Stdio::null()).arg(FOOBAR_TXT).run_no_wait();
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let expected = at.read("foobar_single_default.expected");
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assert_eq!(read_size(&mut child, expected.len()), expected);
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@ -125,7 +327,7 @@ fn test_follow_non_utf8_bytes() {
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#[test]
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fn test_follow_multiple() {
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let (at, mut ucmd) = at_and_ucmd!();
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let mut child = ucmd
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let mut child = ucmd.set_stdin(Stdio::null())
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.arg("-f")
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.arg(FOOBAR_TXT)
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.arg(FOOBAR_2_TXT)
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@ -151,6 +353,7 @@ fn test_follow_multiple() {
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fn test_follow_name_multiple() {
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let (at, mut ucmd) = at_and_ucmd!();
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let mut child = ucmd
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.set_stdin(Stdio::null())
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.arg("--follow=name")
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.arg(FOOBAR_TXT)
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.arg(FOOBAR_2_TXT)
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@ -172,12 +375,13 @@ fn test_follow_name_multiple() {
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}
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#[test]
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fn test_follow_stdin() {
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fn test_follow_stdin_pipe() {
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new_ucmd!()
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.arg("-f")
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.pipe_in_fixture(FOOBAR_TXT)
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.run()
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.stdout_is_fixture("follow_stdin.expected");
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.stdout_is_fixture("follow_stdin.expected")
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.no_stderr();
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}
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// FixME: test PASSES for usual windows builds, but fails for coverage testing builds (likely related to the specific RUSTFLAGS '-Zpanic_abort_tests -Cpanic=abort') This test also breaks tty settings under bash requiring a 'stty sane' or reset. // spell-checker:disable-line
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@ -281,7 +485,8 @@ fn test_bytes_stdin() {
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.arg("13")
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.pipe_in_fixture(FOOBAR_TXT)
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.run()
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.stdout_is_fixture("foobar_bytes_stdin.expected");
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.stdout_is_fixture("foobar_bytes_stdin.expected")
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.no_stderr();
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}
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#[test]
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@ -352,15 +557,18 @@ fn test_lines_with_size_suffix() {
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#[test]
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fn test_multiple_input_files() {
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new_ucmd!()
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.set_stdin(Stdio::null())
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.arg(FOOBAR_TXT)
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.arg(FOOBAR_2_TXT)
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.run()
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.no_stderr()
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.stdout_is_fixture("foobar_follow_multiple.expected");
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}
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#[test]
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fn test_multiple_input_files_missing() {
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new_ucmd!()
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.set_stdin(Stdio::null())
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.arg(FOOBAR_TXT)
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.arg("missing1")
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.arg(FOOBAR_2_TXT)
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@ -381,9 +589,11 @@ fn test_follow_missing() {
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// file to appear.
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for follow_mode in &["--follow=descriptor", "--follow=name"] {
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new_ucmd!()
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.set_stdin(Stdio::null())
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.arg(follow_mode)
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.arg("missing")
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.run()
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.no_stdout()
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.stderr_is(
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"tail: cannot open 'missing' for reading: No such file or directory\n\
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tail: no files remaining",
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@ -452,9 +662,11 @@ fn test_dir_follow() {
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at.mkdir("DIR");
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for mode in &["--follow=descriptor", "--follow=name"] {
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ts.ucmd()
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.set_stdin(Stdio::null())
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.arg(mode)
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.arg("DIR")
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.run()
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.no_stdout()
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.stderr_is(
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"tail: error reading 'DIR': Is a directory\n\
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tail: DIR: cannot follow end of this type of file; giving up on this name\n\
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@ -469,7 +681,7 @@ fn test_dir_follow_retry() {
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let ts = TestScenario::new(util_name!());
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let at = &ts.fixtures;
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at.mkdir("DIR");
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ts.ucmd()
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ts.ucmd().set_stdin(Stdio::null())
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.arg("--follow=descriptor")
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.arg("--retry")
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.arg("DIR")
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@ -701,7 +913,7 @@ fn test_retry1() {
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let ts = TestScenario::new(util_name!());
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let at = &ts.fixtures;
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let file_name = "FILE";
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at.touch("FILE");
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at.touch(file_name);
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let result = ts.ucmd().arg(file_name).arg("--retry").run();
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result
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@ -743,7 +955,7 @@ fn test_retry3() {
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let delay = 1000;
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let mut args = vec!["--follow=name", "--retry", missing, "--use-polling"];
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for _ in 0..2 {
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let mut p = ts.ucmd().args(&args).run_no_wait();
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let mut p = ts.ucmd().set_stdin(Stdio::null()).args(&args).run_no_wait();
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sleep(Duration::from_millis(delay));
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at.touch(missing);
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@ -779,9 +991,16 @@ fn test_retry4() {
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tail: missing: file truncated\n";
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let expected_stdout = "X1\nX\n";
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let delay = 100;
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let mut args = vec!["-s.1", "--max-unchanged-stats=1", "--follow=descriptor", "--retry", missing, "---disable-inotify"];
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let mut args = vec![
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"-s.1",
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"--max-unchanged-stats=1",
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"--follow=descriptor",
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"--retry",
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missing,
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"---disable-inotify",
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];
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for _ in 0..2 {
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let mut p = ts.ucmd().args(&args).run_no_wait();
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let mut p = ts.ucmd().set_stdin(Stdio::null()).args(&args).run_no_wait();
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sleep(Duration::from_millis(delay));
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at.touch(missing);
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@ -819,7 +1038,7 @@ fn test_retry5() {
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let delay = 1000;
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let mut args = vec!["--follow=descriptor", "--retry", missing, "--use-polling"];
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for _ in 0..2 {
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let mut p = ts.ucmd().args(&args).run_no_wait();
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let mut p = ts.ucmd().set_stdin(Stdio::null()).args(&args).run_no_wait();
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sleep(Duration::from_millis(delay));
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at.mkdir(missing);
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@ -853,7 +1072,7 @@ fn test_retry6() {
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let expected_stdout = "==> existing <==\nX\n";
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let mut p = ts
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.ucmd()
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.ucmd().set_stdin(Stdio::null())
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.arg("--follow=descriptor")
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.arg("missing")
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.arg("existing")
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@ -902,7 +1121,7 @@ fn test_retry7() {
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];
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for _ in 0..2 {
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at.mkdir(untailable);
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let mut p = ts.ucmd().args(&args).run_no_wait();
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let mut p = ts.ucmd().set_stdin(Stdio::null()).args(&args).run_no_wait();
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sleep(Duration::from_millis(delay));
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// tail: 'untailable' has become accessible
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@ -966,7 +1185,7 @@ fn test_retry8() {
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let delay = 1000;
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let mut p = ts
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.ucmd()
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.ucmd().set_stdin(Stdio::null())
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.arg("-F")
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.arg("-s.1")
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.arg("--max-unchanged-stats=1")
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@ -1027,7 +1246,7 @@ fn test_retry9() {
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at.mkdir(parent_dir);
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at.truncate(user_path, "foo\n");
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let mut p = ts
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.ucmd()
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.ucmd().set_stdin(Stdio::null())
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.arg("-F")
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.arg("-s.1")
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.arg("--max-unchanged-stats=1")
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@ -1096,7 +1315,7 @@ fn test_follow_descriptor_vs_rename1() {
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for _ in 0..2 {
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at.touch(file_a);
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let mut p = ts.ucmd().args(&args).run_no_wait();
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let mut p = ts.ucmd().set_stdin(Stdio::null()).args(&args).run_no_wait();
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sleep(Duration::from_millis(delay));
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at.append(file_a, "A\n");
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@ -1150,7 +1369,7 @@ fn test_follow_descriptor_vs_rename2() {
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for _ in 0..2 {
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at.touch(file_a);
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at.touch(file_b);
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let mut p = ts.ucmd().args(&args).run_no_wait();
|
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let mut p = ts.ucmd().set_stdin(Stdio::null()).args(&args).run_no_wait();
|
||||
sleep(Duration::from_millis(delay));
|
||||
at.rename(file_a, file_c);
|
||||
sleep(Duration::from_millis(1000));
|
||||
|
|
@ -1194,7 +1413,7 @@ fn test_follow_name_remove() {
|
|||
|
||||
for _ in 0..2 {
|
||||
at.copy(source, source_copy);
|
||||
let mut p = ts.ucmd().args(&args).run_no_wait();
|
||||
let mut p = ts.ucmd().set_stdin(Stdio::null()).args(&args).run_no_wait();
|
||||
|
||||
sleep(Duration::from_millis(delay));
|
||||
at.remove(source_copy);
|
||||
|
|
@ -1226,7 +1445,7 @@ fn test_follow_name_truncate1() {
|
|||
let expected_stderr = format!("{}: {}: file truncated\n", ts.util_name, source);
|
||||
|
||||
let args = ["--follow=name", source];
|
||||
let mut p = ts.ucmd().args(&args).run_no_wait();
|
||||
let mut p = ts.ucmd().set_stdin(Stdio::null()).args(&args).run_no_wait();
|
||||
|
||||
let delay = 1000;
|
||||
|
||||
|
|
@ -1261,7 +1480,7 @@ fn test_follow_name_truncate2() {
|
|||
let expected_stderr = format!("{}: {}: file truncated\n", ts.util_name, source);
|
||||
|
||||
let args = ["--follow=name", source];
|
||||
let mut p = ts.ucmd().args(&args).run_no_wait();
|
||||
let mut p = ts.ucmd().set_stdin(Stdio::null()).args(&args).run_no_wait();
|
||||
|
||||
let delay = 1000;
|
||||
|
||||
|
|
@ -1297,7 +1516,7 @@ fn test_follow_name_truncate3() {
|
|||
let expected_stdout = "x\n";
|
||||
|
||||
let args = ["--follow=name", source];
|
||||
let mut p = ts.ucmd().args(&args).run_no_wait();
|
||||
let mut p = ts.ucmd().set_stdin(Stdio::null()).args(&args).run_no_wait();
|
||||
|
||||
let delay = 1000;
|
||||
sleep(Duration::from_millis(delay));
|
||||
|
|
@ -1338,7 +1557,7 @@ fn test_follow_name_move_create() {
|
|||
let expected_stderr = format!("{}: {}: No such file or directory\n", ts.util_name, source);
|
||||
|
||||
let args = ["--follow=name", source];
|
||||
let mut p = ts.ucmd().args(&args).run_no_wait();
|
||||
let mut p = ts.ucmd().set_stdin(Stdio::null()).args(&args).run_no_wait();
|
||||
|
||||
let delay = 2000;
|
||||
|
||||
|
|
@ -1380,7 +1599,7 @@ fn test_follow_name_move() {
|
|||
|
||||
#[allow(clippy::needless_range_loop)]
|
||||
for i in 0..2 {
|
||||
let mut p = ts.ucmd().args(&args).run_no_wait();
|
||||
let mut p = ts.ucmd().set_stdin(Stdio::null()).args(&args).run_no_wait();
|
||||
|
||||
sleep(Duration::from_millis(2000));
|
||||
at.rename(source, backup);
|
||||
|
|
@ -1406,7 +1625,7 @@ fn test_follow_inotify_only_regular() {
|
|||
|
||||
let ts = TestScenario::new(util_name!());
|
||||
|
||||
let mut p = ts.ucmd().arg("-f").arg("/dev/null").run_no_wait();
|
||||
let mut p = ts.ucmd().set_stdin(Stdio::null()).arg("-f").arg("/dev/null").run_no_wait();
|
||||
sleep(Duration::from_millis(200));
|
||||
|
||||
p.kill().unwrap();
|
||||
|
|
@ -1461,5 +1680,34 @@ fn test_presume_input_pipe_default() {
|
|||
.arg("---presume-input-pipe")
|
||||
.pipe_in_fixture(FOOBAR_TXT)
|
||||
.run()
|
||||
.stdout_is_fixture("foobar_stdin_default.expected");
|
||||
.stdout_is_fixture("foobar_stdin_default.expected")
|
||||
.no_stderr();
|
||||
}
|
||||
|
||||
#[test]
|
||||
#[cfg(target_os = "linux")]
|
||||
#[cfg(disable_until_fixed)]
|
||||
fn test_fifo() {
|
||||
let ts = TestScenario::new(util_name!());
|
||||
let at = &ts.fixtures;
|
||||
at.mkfifo("FIFO");
|
||||
|
||||
let mut p = ts.ucmd().arg("FIFO").run_no_wait();
|
||||
sleep(Duration::from_millis(500));
|
||||
p.kill().unwrap();
|
||||
let (buf_stdout, buf_stderr) = take_stdout_stderr(&mut p);
|
||||
assert!(buf_stdout.is_empty());
|
||||
assert!(buf_stderr.is_empty());
|
||||
|
||||
for arg in ["-f", "-F"] {
|
||||
let mut p = ts.ucmd().arg(arg).arg("FIFO").run_no_wait();
|
||||
sleep(Duration::from_millis(500));
|
||||
p.kill().unwrap();
|
||||
|
||||
let (buf_stdout, buf_stderr) = take_stdout_stderr(&mut p);
|
||||
assert!(buf_stdout.is_empty());
|
||||
assert!(buf_stderr.is_empty());
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue