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NIFI-12019 Improved reliability of TestSynchronousFileWatcher

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This closes #7770

Signed-off-by: David Handermann <exceptionfactory@apache.org>
(cherry picked from commit 1f87c16ab8473e98df5c31a4932c0ff92c7d031a)
This commit is contained in:
Mike Moser 2023-09-21 16:55:54 +00:00 committed by exceptionfactory
parent 990d0807c9
commit 9b7dadb214
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1 changed files with 2 additions and 7 deletions
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9
nifi-commons/nifi-utils/src/test/java/org/apache/nifi/util/file/monitor/TestSynchronousFileWatcher.java
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@ -37,9 +37,8 @@ public class TestSynchronousFileWatcher {
Files.copy(new ByteArrayInputStream("Hello, World!".getBytes("UTF-8")), path, StandardCopyOption.REPLACE_EXISTING); Files.copy(new ByteArrayInputStream("Hello, World!".getBytes("UTF-8")), path, StandardCopyOption.REPLACE_EXISTING);
final UpdateMonitor monitor = new DigestUpdateMonitor(); final UpdateMonitor monitor = new DigestUpdateMonitor();
final SynchronousFileWatcher watcher = new SynchronousFileWatcher(path, monitor, 40L); final SynchronousFileWatcher watcher = new SynchronousFileWatcher(path, monitor, 0L);
assertFalse(watcher.checkAndReset()); assertFalse(watcher.checkAndReset());
Thread.sleep(41L);
assertFalse(watcher.checkAndReset()); assertFalse(watcher.checkAndReset());
try (FileOutputStream fos = new FileOutputStream(path.toFile())) { try (FileOutputStream fos = new FileOutputStream(path.toFile())) {
@ -47,11 +46,7 @@ public class TestSynchronousFileWatcher {
fos.getFD().sync(); fos.getFD().sync();
} }
// immediately after file changes, but before the next check time is reached, answer should be false // file has changed, answer should be true once
assertFalse(watcher.checkAndReset());
// after check time has passed, answer should be true
Thread.sleep(41L);
assertTrue(watcher.checkAndReset()); assertTrue(watcher.checkAndReset());
assertFalse(watcher.checkAndReset()); assertFalse(watcher.checkAndReset());
} }