test: AbstractBuildThreadPoolTemplate add unit test. (#1275)

threadpool/core/src/test/java/cn/hippo4j/core/executor/support/AbstractBuildThreadPoolTemplateTest.java

@@ -0,0 +1,124 @@
+/*
+ * 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 cn.hippo4j.core.executor.support;
+
+import cn.hippo4j.common.toolkit.ThreadUtil;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.util.concurrent.Executors;
+import java.util.concurrent.LinkedBlockingQueue;
+import java.util.concurrent.ThreadPoolExecutor;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicInteger;
+
+/**
+ * test for {@link AbstractBuildThreadPoolTemplate}
+ * @author dmego
+ */
+public class AbstractBuildThreadPoolTemplateTest {
+
+    AbstractBuildThreadPoolTemplate.ThreadPoolInitParam initParam;
+
+    @Before
+    public void before() {
+        initParam = new AbstractBuildThreadPoolTemplate.ThreadPoolInitParam(Executors.defaultThreadFactory());
+        initParam.setCorePoolNum(1)
+                .setMaximumPoolSize(1)
+                .setKeepAliveTime(1000L)
+                .setCapacity(10)
+                .setExecuteTimeOut(5000L)
+                .setRejectedExecutionHandler(new ThreadPoolExecutor.DiscardPolicy())
+                .setWorkQueue(new LinkedBlockingQueue<>(1))
+                .setTimeUnit(TimeUnit.MILLISECONDS)
+                .setAllowCoreThreadTimeOut(false)
+                .setThreadPoolId("test")
+                .setTaskDecorator(runnable -> runnable);
+    }
+
+
+    @Test
+    public void testBuildPool() {
+        ThreadPoolExecutor executor = AbstractBuildThreadPoolTemplate.buildPool(initParam);
+        AtomicInteger count = new AtomicInteger(0);
+        executor.submit(() -> {
+            ThreadUtil.sleep(100L);
+            return count.incrementAndGet();
+        });
+        executor.submit(() -> {
+            ThreadUtil.sleep(100L);
+            count.incrementAndGet();
+        });
+
+        // waiting for shutdown
+        executor.shutdown();
+        while (!executor.isTerminated()) {
+        }
+        Assert.assertEquals(2, count.get());
+
+    }
+
+
+    @Test
+    public void testBuildFastPool() {
+        ThreadPoolExecutor executor = AbstractBuildThreadPoolTemplate.buildFastPool(initParam);
+        AtomicInteger count = new AtomicInteger(0);
+        executor.submit(() -> {
+            ThreadUtil.sleep(100L);
+            return count.incrementAndGet();
+        });
+        executor.submit(() -> {
+            ThreadUtil.sleep(100L);
+            count.incrementAndGet();
+        });
+
+        // waiting for shutdown
+        executor.shutdown();
+        while (!executor.isTerminated()) {
+        }
+        Assert.assertEquals(2, count.get());
+
+    }
+
+
+
+    @Test
+    public void testBuildDynamicPool() {
+        initParam.setWaitForTasksToCompleteOnShutdown(true);
+        initParam.setAwaitTerminationMillis(5000L);
+        ThreadPoolExecutor executor = AbstractBuildThreadPoolTemplate.buildDynamicPool(initParam);
+        AtomicInteger count = new AtomicInteger(0);
+        executor.submit(() -> {
+            ThreadUtil.sleep(100L);
+            return count.incrementAndGet();
+        });
+        executor.submit(() -> {
+            ThreadUtil.sleep(100L);
+            count.incrementAndGet();
+        });
+        // waiting for shutdown
+        executor.shutdown();
+        while (!executor.isTerminated()) {
+        }
+
+        Assert.assertEquals(2, count.get());
+
+    }
+
+}