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https://github.com/RGBCube/uutils-coreutils
synced 2025-07-28 11:37:44 +00:00
test_tail: add more tests for --follow=name
This commit is contained in:
Jan Scheer
parent
1d2940b159
commit
a9c34ef810
1 changed files with 86 additions and 22 deletions
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@ -14,6 +14,13 @@ use std::io::{Read, Write};
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use std::thread::sleep;
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use std::time::Duration;
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#[cfg(target_os = "linux")]
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pub static BACKEND: &str = "inotify";
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#[cfg(all(unix, not(target_os = "linux")))]
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pub static BACKEND: &str = "kqueue";
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#[cfg(target_os = "windows")]
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pub static BACKEND: &str = "ReadDirectoryChanges";
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static FOOBAR_TXT: &str = "foobar.txt";
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static FOOBAR_2_TXT: &str = "foobar2.txt";
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static FOOBAR_WITH_NULL_TXT: &str = "foobar_with_null.txt";
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@ -66,7 +73,7 @@ fn test_null_default() {
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}
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#[test]
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fn test_follow() {
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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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@ -108,7 +115,7 @@ fn test_follow_multiple() {
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}
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#[test]
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#[cfg(not(windows))]
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#[cfg(unix)]
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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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@ -335,6 +342,46 @@ fn test_multiple_input_files_missing() {
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.code_is(1);
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}
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#[test]
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fn test_follow_missing() {
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// Ensure that --follow=name does not imply --retry.
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// Ensure that --follow={descriptor,name} (without --retry) does *not wait* for the
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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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.arg(follow_mode)
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.arg("missing")
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.run()
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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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)
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.code_is(1);
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}
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}
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#[test]
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fn test_follow_name_stdin() {
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let ts = TestScenario::new(util_name!());
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let at = &ts.fixtures;
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at.touch("FILE1");
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at.touch("FILE2");
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ts.ucmd()
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.arg("--follow=name")
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.arg("-")
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.run()
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.stderr_is("tail: cannot follow '-' by name")
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.code_is(1);
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ts.ucmd()
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.arg("--follow=name")
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.arg("FILE1")
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.arg("-")
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.arg("FILE2")
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.run()
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.stderr_is("tail: cannot follow '-' by name")
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.code_is(1);
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}
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#[test]
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fn test_multiple_input_files_with_suppressed_headers() {
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new_ucmd!()
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@ -361,13 +408,29 @@ fn test_dir() {
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let (at, mut ucmd) = at_and_ucmd!();
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at.mkdir("DIR");
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ucmd.arg("DIR")
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.run()
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.stderr_is("tail: error reading 'DIR': Is a directory\n")
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.code_is(1);
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}
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#[test]
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fn test_dir_follow() {
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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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for mode in &["--follow=descriptor", "--follow=name"] {
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ts.ucmd()
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.arg(mode)
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.arg("DIR")
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.run()
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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",
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tail: DIR: cannot follow end of this type of file; giving up on this name\n\
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tail: no files remaining\n",
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)
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.code_is(1);
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}
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}
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#[test]
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fn test_dir_follow_retry() {
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@ -458,7 +521,7 @@ fn test_positive_zero_lines() {
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}
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#[test]
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fn test_tail_invalid_num() {
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fn test_invalid_num() {
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new_ucmd!()
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.args(&["-c", "1024R", "emptyfile.txt"])
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.fails()
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@ -494,7 +557,7 @@ fn test_tail_invalid_num() {
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}
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#[test]
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fn test_tail_num_with_undocumented_sign_bytes() {
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fn test_num_with_undocumented_sign_bytes() {
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// tail: '-' is not documented (8.32 man pages)
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// head: '+' is not documented (8.32 man pages)
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const ALPHABET: &str = "abcdefghijklmnopqrstuvwxyz";
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@ -517,7 +580,7 @@ fn test_tail_num_with_undocumented_sign_bytes() {
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#[test]
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#[cfg(unix)]
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fn test_tail_bytes_for_funny_files() {
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fn test_bytes_for_funny_files() {
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// gnu/tests/tail-2/tail-c.sh
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let ts = TestScenario::new(util_name!());
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let at = &ts.fixtures;
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@ -781,7 +844,6 @@ fn test_retry8() {
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let watched_file = std::path::Path::new("watched_file");
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let parent_dir = std::path::Path::new("parent_dir");
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let user_path = parent_dir.join(watched_file);
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// let watched_file = watched_file.to_str().unwrap();
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let parent_dir = parent_dir.to_str().unwrap();
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let user_path = user_path.to_str().unwrap();
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@ -845,7 +907,9 @@ fn test_retry9() {
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tail: 'parent_dir/watched_file' has become inaccessible: No such file or directory\n\
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tail: 'parent_dir/watched_file' has appeared; following new file\n\
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tail: 'parent_dir/watched_file' has become inaccessible: No such file or directory\n\
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tail: 'parent_dir/watched_file' has appeared; following new file\n", BACKEND);
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tail: 'parent_dir/watched_file' has appeared; following new file\n",
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BACKEND
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);
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let expected_stdout = "foo\nbar\nfoo\nbar\n";
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let delay = 1000;
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@ -1009,10 +1073,10 @@ fn test_follow_descriptor_vs_rename2() {
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}
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#[test]
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#[cfg(not(windows))]
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#[cfg(unix)]
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fn test_follow_name_remove() {
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// This test triggers a remove event while `tail --follow=name logfile` is running.
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// ((sleep 1 && rm logfile &)>/dev/null 2>&1 &) ; tail --follow=name logfile
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// ((sleep 2 && rm logfile &)>/dev/null 2>&1 &) ; tail --follow=name logfile
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let ts = TestScenario::new(util_name!());
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let at = &ts.fixtures;
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@ -1027,7 +1091,7 @@ fn test_follow_name_remove() {
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ts.util_name, source_copy
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);
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let delay = 1000;
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let delay = 2000;
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let mut args = vec!["--follow=name", source_copy, "--use-polling"];
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for _ in 0..2 {
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@ -1155,9 +1219,11 @@ fn test_follow_name_truncate3() {
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assert!(buf_stderr.is_empty());
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}
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#[test]
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#[cfg(unix)]
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fn test_follow_name_move_create() {
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// This test triggers a move/create event while `tail --follow=name logfile` is running.
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// ((sleep 1 && mv logfile backup && sleep 1 && cp backup logfile &)>/dev/null 2>&1 &) ; tail --follow=name logfile
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// ((sleep 2 && mv logfile backup && sleep 2 && cp backup logfile &)>/dev/null 2>&1 &) ; tail --follow=name logfile
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let ts = TestScenario::new(util_name!());
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let at = &ts.fixtures;
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@ -1182,7 +1248,7 @@ fn test_follow_name_move_create() {
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let args = ["--follow=name", source];
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let mut p = ts.ucmd().args(&args).run_no_wait();
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let delay = 1000;
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let delay = 2000;
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sleep(Duration::from_millis(delay));
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at.rename(source, backup);
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@ -1198,11 +1264,10 @@ fn test_follow_name_move_create() {
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}
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#[test]
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#[cfg(not(windows))]
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#[cfg(unix)]
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fn test_follow_name_move() {
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// This test triggers a move event while `tail --follow=name logfile` is running.
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// ((sleep 1 && mv logfile backup && sleep 1 && cp backup logfile &)>/dev/null 2>&1 &) ; tail --follow=name logfile
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// NOTE: GNU's tail does not seem to recognize this move event with `---disable-inotify`
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// ((sleep 2 && mv logfile backup &)>/dev/null 2>&1 &) ; tail --follow=name logfile
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let ts = TestScenario::new(util_name!());
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let at = &ts.fixtures;
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@ -1224,11 +1289,10 @@ fn test_follow_name_move() {
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#[allow(clippy::needless_range_loop)]
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for i in 0..2 {
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let mut p = ts.ucmd().args(&args).run_no_wait();
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let delay = 1000;
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sleep(Duration::from_millis(delay));
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sleep(Duration::from_millis(2000));
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at.rename(source, backup);
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sleep(Duration::from_millis(delay));
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sleep(Duration::from_millis(5000));
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p.kill().unwrap();
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