completed #728 (#1005)

* unit test: ExecutorFactoryTest 补充测试用例 #728

* unit test #728 : format of normative notes

* unit test #728 : format of normative notes to En; eliminate the impact of common objects on the current test flow in other scenarios.

Co-authored-by: liukairong1 <liukairong1@jd.com>

hippo4j-common/src/test/java/cn/hippo4j/common/executor/ExecutorFactoryTest.java

@@ -17,5 +17,74 @@
 
 package cn.hippo4j.common.executor;
 
+import cn.hippo4j.common.design.builder.ThreadFactoryBuilder;
+import cn.hippo4j.common.toolkit.MapUtil;
+import cn.hippo4j.common.toolkit.ReflectUtil;
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.ThreadFactory;
+import java.util.stream.IntStream;
+
 public final class ExecutorFactoryTest {
+
+    ThreadFactory threadFactory = new ThreadFactoryBuilder().prefix("test").build();
+
+    /**
+     * data range min
+     */
+    Integer rangeMin = 1;
+    /**
+     * data range max
+     */
+    Integer rangeMax = 10;
+    /**
+     * default test index
+     */
+    Integer defaultIndex = 0;
+
+    @Test
+    public void assertNewSingleScheduledExecutorService() {
+        // init data snapshot
+        ThreadPoolManager poolManager = (ThreadPoolManager) ReflectUtil.getFieldValue(ExecutorFactory.Managed.class, "THREAD_POOL_MANAGER");
+        String poolName = (String) ReflectUtil.getFieldValue(ExecutorFactory.Managed.class, "DEFAULT_NAMESPACE");
+        Map<String, Map<String, Set<ExecutorService>>> manager = (Map<String, Map<String, Set<ExecutorService>>>) ReflectUtil.getFieldValue(poolManager, "resourcesManager");
+        Map<String, Set<ExecutorService>> initRelationMap = manager.get(poolName);
+        int defaultManagerSize = manager.size();
+        int defaultRelationSize = MapUtil.isEmpty(initRelationMap) ? 0 : initRelationMap.size();
+
+        // test begin
+        ScheduledExecutorService executorService = ExecutorFactory.Managed.newSingleScheduledExecutorService(String.format("test-group-%s", defaultIndex), threadFactory);
+
+        Assert.assertNotNull(executorService);
+
+        // check default init
+        Assert.assertEquals(1, manager.size() - defaultManagerSize);
+
+        // check multiple registrations and check to see if it is still an instance
+        IntStream.rangeClosed(rangeMin, rangeMax).forEach(index -> ExecutorFactory.Managed.newSingleScheduledExecutorService(String.format("test-group-%s", index), threadFactory));
+        Assert.assertEquals(1, manager.size() - defaultManagerSize);
+
+        // check group size
+        Map<String, Set<ExecutorService>> relationMap = manager.get(poolName);
+        Assert.assertEquals(11, relationMap.size() - defaultRelationSize);
+        // check the number of threads between the group and the thread pool
+        IntStream.rangeClosed(rangeMin, rangeMax).forEach(index -> {
+            String relationKey = String.format("test-group-%s", index);
+            Assert.assertNotNull(relationMap.get(relationKey));
+            Assert.assertEquals(1, relationMap.get(relationKey).size());
+        });
+
+        // instantiate the same group a second time and check the corresponding quantitative relationship
+        IntStream.rangeClosed(defaultIndex, rangeMax).forEach(index -> ExecutorFactory.Managed.newSingleScheduledExecutorService(String.format("test-group-%s", index), threadFactory));
+        // chek group size
+        Assert.assertEquals(11, manager.get(poolName).size() - defaultRelationSize);
+        // check the number of threads between the group and the thread pool
+        IntStream.rangeClosed(rangeMin, rangeMax).forEach(index -> Assert.assertEquals(2, relationMap.get(String.format("test-group-%s", index)).size()));
+    }
+
 }