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new a4e29d80a [ISSUE #4540] Add unit test for ThreadUtils (#5111)
a4e29d80a is described below
commit a4e29d80a94bd3967caa34d312387d3ec9449876
Author: Melis Ölmez <[email protected]>
AuthorDate: Mon Oct 7 08:26:00 2024 +0300
[ISSUE #4540] Add unit test for ThreadUtils (#5111)
---
.../eventmesh/common/utils/ThreadUtilsTest.java | 118 +++++++++++++++++++++
1 file changed, 118 insertions(+)
diff --git
a/eventmesh-common/src/test/java/org/apache/eventmesh/common/utils/ThreadUtilsTest.java
b/eventmesh-common/src/test/java/org/apache/eventmesh/common/utils/ThreadUtilsTest.java
new file mode 100644
index 000000000..0cba2a6ad
--- /dev/null
+++
b/eventmesh-common/src/test/java/org/apache/eventmesh/common/utils/ThreadUtilsTest.java
@@ -0,0 +1,118 @@
+/*
+ * 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 org.apache.eventmesh.common.utils;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import java.util.concurrent.TimeUnit;
+
+import org.junit.jupiter.api.Test;
+
+class ThreadUtilsTest {
+
+ @Test
+ void testRandomPauseBetweenMinAndMax() {
+
+ long min = 1000;
+ long max = 5000;
+
+ long start = System.currentTimeMillis();
+ ThreadUtils.randomPause(min, max, TimeUnit.MILLISECONDS);
+ long end = System.currentTimeMillis();
+
+ long pause = end - start;
+
+ assertTrue(pause >= min && pause <= max, "Pause time should be between
min and max");
+ }
+
+ @Test
+ void testRandomPauseWithInterruption() {
+
+ Thread.currentThread().interrupt();
+ ThreadUtils.randomPause(1000, 2000, TimeUnit.MILLISECONDS);
+ assertTrue(Thread.currentThread().isInterrupted());
+ }
+
+ @Test
+ void testDeprecatedSleep() {
+
+ ThreadUtils.sleep(1000);
+ assertTrue(true, "Method should execute without any exception");
+ }
+
+ @Test
+ void testSleepWithTimeOutAndTimeUnit() throws InterruptedException {
+
+ ThreadUtils.sleepWithThrowException(5000, TimeUnit.MILLISECONDS);
+ assertTrue(true, "Method should execute without any exception");
+ }
+
+ @Test
+ void testSleepWithNullTimeUnit() throws InterruptedException {
+
+ ThreadUtils.sleepWithThrowException(5000, null);
+ assertTrue(true, "Method should not throw any exception with null
TimeUnit");
+ }
+
+ @Test
+ void testSleepWithThrowExceptionInterruption() {
+ Thread.currentThread().interrupt();
+
+ assertThrows(InterruptedException.class, () -> {
+ ThreadUtils.sleepWithThrowException(5000, TimeUnit.MILLISECONDS);
+ });
+ }
+
+ @Test
+ void testGetPIDWithRealProcessId() {
+
+ long pid = ThreadUtils.getPID();
+ assertTrue(pid > 0);
+
+ long cashedPId = ThreadUtils.getPID();
+ assertEquals(pid, cashedPId);
+ }
+
+ @Test
+ void testGetPIDWithMultiThread() throws InterruptedException {
+
+ final long[] pid1 = new long[1];
+ final long[] pid2 = new long[1];
+
+ Thread thread1 = new Thread(() -> {
+ pid1[0] = ThreadUtils.getPID();
+ assertTrue(pid1[0] > 0);
+ });
+
+ Thread thread2 = new Thread(() -> {
+ pid2[0] = ThreadUtils.getPID();
+ assertTrue(pid2[0] > 0);
+ });
+
+ thread1.start();
+ thread2.start();
+
+ thread1.join();
+ thread2.join();
+
+ assertEquals(pid1[0], pid2[0]);
+ }
+}
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