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new 21479a31bdf KAFKA-16413 add FileLockTest (#15624)
21479a31bdf is described below
commit 21479a31bdff0e15cfe7ee0a4e509232ed064b41
Author: PoAn Yang <pay...@apache.org>
AuthorDate: Wed Apr 3 21:13:45 2024 +0800
KAFKA-16413 add FileLockTest (#15624)
Reviewers: Chia-Ping Tsai <chia7...@gmail.com>
---
core/src/test/java/kafka/utils/FileLockTest.java | 97 ++++++++++++++++++++++++
1 file changed, 97 insertions(+)
diff --git a/core/src/test/java/kafka/utils/FileLockTest.java
b/core/src/test/java/kafka/utils/FileLockTest.java
new file mode 100644
index 00000000000..a58c223e294
--- /dev/null
+++ b/core/src/test/java/kafka/utils/FileLockTest.java
@@ -0,0 +1,97 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package kafka.utils;
+
+import org.junit.jupiter.api.Test;
+
+import java.io.File;
+import java.nio.channels.OverlappingFileLockException;
+
+import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+class FileLockTest {
+ @Test
+ void testLock() {
+ File tempFile = TestUtils.tempFile();
+ FileLock lock1 = new FileLock(tempFile);
+ try {
+ lock1.lock();
+ assertThrows(OverlappingFileLockException.class, lock1::lock);
+
+ FileLock lock2 = new FileLock(tempFile);
+ assertThrows(OverlappingFileLockException.class, lock2::lock);
+ assertFalse(lock2.tryLock());
+ lock1.unlock();
+ } finally {
+ lock1.destroy();
+ }
+ }
+
+ @Test
+ void testTryLock() {
+ File tempFile = TestUtils.tempFile();
+ FileLock lock1 = new FileLock(tempFile);
+ try {
+ assertTrue(lock1.tryLock());
+ assertFalse(lock1.tryLock());
+
+ FileLock lock2 = new FileLock(tempFile);
+ assertFalse(lock2.tryLock());
+ assertThrows(OverlappingFileLockException.class, lock2::lock);
+ lock1.unlock();
+ } finally {
+ lock1.destroy();
+ }
+ }
+
+ @Test
+ void testUnlock() {
+ File tempFile = TestUtils.tempFile();
+ FileLock lock1 = new FileLock(tempFile);
+ try {
+ lock1.lock();
+ lock1.unlock();
+ lock1.lock();
+ lock1.unlock();
+
+ assertTrue(lock1.tryLock());
+ lock1.unlock();
+ assertTrue(lock1.tryLock());
+ lock1.unlock();
+
+ FileLock lock2 = new FileLock(tempFile);
+ assertTrue(lock2.tryLock());
+ lock2.unlock();
+ assertDoesNotThrow(lock2::lock);
+ lock2.unlock();
+ } finally {
+ lock1.destroy();
+ }
+ }
+
+ @Test
+ void testDestroy() {
+ File tempFile = TestUtils.tempFile();
+ FileLock lock1 = new FileLock(tempFile);
+ lock1.destroy();
+ assertFalse(tempFile.exists());
+ assertDoesNotThrow(lock1::destroy);
+ }
+}
