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test_tail: add test_follow_descriptor_vs_rename1-2

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Jan Scheer 2021-10-24 22:28:30 +02:00
parent 07eb50248b
commit 3f4b0146a1
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1 changed files with 35 additions and 10 deletions
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45
tests/by-util/test_tail.rs
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@ -894,11 +894,21 @@ fn test_retry9() {
assert_eq!(buf_stderr, expected_stderr); assert_eq!(buf_stderr, expected_stderr);
} }
#[test]
#[cfg(unix)]
fn test_follow_descriptor_vs_rename1() {
// gnu/tests/tail-2/descriptor-vs-rename.sh // gnu/tests/tail-2/descriptor-vs-rename.sh
// $ ((rm -f A && touch A && sleep 1 && echo -n "A\n" >> A && sleep 1 && \
// mv A B && sleep 1 && echo -n "B\n" >> B &)>/dev/null 2>&1 &) ; \
// sleep 1 && target/debug/tail --follow=descriptor A ---disable-inotify
// $ A
// $ B
let ts = TestScenario::new(util_name!()); let ts = TestScenario::new(util_name!());
let at = &ts.fixtures; let at = &ts.fixtures;
let file_a = "FILE_A"; let file_a = "FILE_A";
let file_b = "FILE_B"; let file_b = "FILE_B";
let file_c = "FILE_C";
let mut args = vec![ let mut args = vec![
"--follow=descriptor", "--follow=descriptor",
@ -910,34 +920,48 @@ fn test_retry9() {
#[cfg(target_os = "linux")] #[cfg(target_os = "linux")]
let i = 2; let i = 2;
// TODO: fix the case without `--disable-inotify` for bsd/macos // FIXME: fix the case without `--disable-inotify` for BSD/macOS
#[cfg(not(target_os = "linux"))] #[cfg(not(target_os = "linux"))]
let i = 1; let i = 1;
let delay = 100; let delay = 500;
for _ in 0..i { for _ in 0..i {
at.touch(file_a); at.touch(file_a);
let mut p = ts.ucmd().args(&args).run_no_wait(); let mut p = ts.ucmd().args(&args).run_no_wait();
sleep(Duration::from_millis(delay)); sleep(Duration::from_millis(delay));
at.append(file_a, "x\n");
at.append(file_a, "A\n");
sleep(Duration::from_millis(delay)); sleep(Duration::from_millis(delay));
at.rename(file_a, file_b); at.rename(file_a, file_b);
sleep(Duration::from_millis(1000));
at.append(file_b, "y\n");
sleep(Duration::from_millis(delay)); sleep(Duration::from_millis(delay));
at.append(file_b, "B\n");
sleep(Duration::from_millis(delay));
at.rename(file_b, file_c);
sleep(Duration::from_millis(delay));
at.append(file_c, "C\n");
sleep(Duration::from_millis(delay));
p.kill().unwrap(); p.kill().unwrap();
sleep(Duration::from_millis(delay)); sleep(Duration::from_millis(delay));
let (buf_stdout, _) = take_stdout_stderr(&mut p); let (buf_stdout, buf_stderr) = take_stdout_stderr(&mut p);
assert_eq!(buf_stdout, "x\ny\n"); assert_eq!(buf_stdout, "A\nB\nC\n");
assert!(buf_stderr.is_empty());
args.pop(); args.pop();
} }
} }
#[test] #[test]
#[cfg(not(windows))] #[cfg(target_os = "linux")] // FIXME: fix this test for BSD/macOS
fn test_tail_follow_descriptor_vs_rename_verbose() { fn test_follow_descriptor_vs_rename2() {
// Ensure the headers are correct for --verbose.
let ts = TestScenario::new(util_name!()); let ts = TestScenario::new(util_name!());
let at = &ts.fixtures; let at = &ts.fixtures;
let file_a = "FILE_A"; let file_a = "FILE_A";
@ -973,11 +997,12 @@ fn test_tail_follow_descriptor_vs_rename_verbose() {
p.kill().unwrap(); p.kill().unwrap();
sleep(Duration::from_millis(delay)); sleep(Duration::from_millis(delay));
let (buf_stdout, _) = take_stdout_stderr(&mut p); let (buf_stdout, buf_stderr) = take_stdout_stderr(&mut p);
assert_eq!( assert_eq!(
buf_stdout, buf_stdout,
"==> FILE_A <==\n\n==> FILE_B <==\n\n==> FILE_A <==\nx\n" "==> FILE_A <==\n\n==> FILE_B <==\n\n==> FILE_A <==\nx\n"
); );
assert!(buf_stderr.is_empty());
args.pop(); args.pop();
} }