完成 ID 生成器的单元测试

src/test/java/xyz/zhouxy/plusone/commons/util/AssertToolsTests.java

@@ -925,9 +925,10 @@ public class AssertToolsTests {
 
     // #region - Condition
 
+    static final class MyException extends RuntimeException {}
+
     @Test
     void testCheckCondition() {
-        class MyException extends RuntimeException {}
 
         AssertTools.checkCondition(true, MyException::new);
 

src/test/java/xyz/zhouxy/plusone/commons/util/IdGeneratorTests.java

@@ -0,0 +1,65 @@
+package xyz.zhouxy.plusone.commons.util;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import java.util.Set;
+import java.util.UUID;
+import java.util.concurrent.LinkedBlockingQueue;
+import java.util.concurrent.ThreadPoolExecutor;
+import java.util.concurrent.TimeUnit;
+
+import org.junit.jupiter.api.Test;
+
+import cn.hutool.core.collection.ConcurrentHashSet;
+
+public class IdGeneratorTests {
+
+    final ThreadPoolExecutor executor = new ThreadPoolExecutor(10, 10,
+            0L, TimeUnit.MILLISECONDS,
+            new LinkedBlockingQueue<Runnable>());
+
+    @Test
+    void testSnowflakeIdGenerator() { // NOSONAR
+        final SnowflakeIdGenerator snowflake = new SnowflakeIdGenerator(0, 0);
+        final Set<Long> ids = new ConcurrentHashSet<>();
+        for (int i = 0; i < 10000; i++) {
+            executor.execute(() -> {
+                for (int j = 0; j < 50000; j++) {
+                    if (false == ids.add(snowflake.nextId())) {
+                        throw new RuntimeException("重复ID！");
+                    }
+                }
+            });
+        }
+    }
+
+    @Test
+    void testIdWorker() { // NOSONAR
+        final IdWorker idWorker = new IdWorker(0L);
+        final Set<Long> ids = new ConcurrentHashSet<>();
+        for (int i = 0; i < 10000; i++) {
+            executor.execute(() -> {
+                for (int j = 0; j < 50000; j++) {
+                    if (false == ids.add(idWorker.nextId())) {
+                        throw new RuntimeException("重复ID！");
+                    }
+                }
+            });
+            executor.execute(() -> {
+                for (int j = 0; j < 50000; j++) {
+                    if (false == ids.add(IdGenerator.nextSnowflakeId(0))) {
+                        throw new RuntimeException("重复ID！");
+                    }
+                }
+            });
+        }
+    }
+
+    @Test
+    void testToSimpleString() {
+        UUID id = UUID.randomUUID();
+        assertEquals(id.toString().replaceAll("-", ""),
+                IdGenerator.toSimpleString(id));
+    }
+
+}