Fix flaky optimistic violation detection cluster test (#18027)
* Fix flaky optimistic violation detection cluster test * Add small sleep to avoid tight loop
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@ -2184,11 +2184,21 @@ fn test_optimistic_confirmation_violation_detection() {
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OptimisticConfirmationVerifier::format_optimistic_confirmed_slot_violation_log(
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prev_voted_slot,
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);
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// Violation detection thread can be behind so poll logs up to 10 seconds
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if let Some(mut buf) = buf {
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let start = Instant::now();
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let mut success = false;
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let mut output = String::new();
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buf.read_to_string(&mut output).unwrap();
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assert!(output.contains(&expected_log));
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while start.elapsed().as_secs() < 10 {
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buf.read_to_string(&mut output).unwrap();
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if output.contains(&expected_log) {
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success = true;
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break;
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}
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sleep(Duration::from_millis(10));
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}
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print!("{}", output);
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assert!(success);
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} else {
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panic!("dumped log and disabled testing");
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}
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