添加 junit 测试

hutool-extra/src/test/java/cn/hutool/extra/spring/SpringCronUtilTest.java

@@ -0,0 +1,94 @@
+package cn.hutool.extra.spring;
+
+import cn.hutool.core.date.DateUtil;
+import cn.hutool.extra.spring.config.SpringCronConfig;
+import lombok.SneakyThrows;
+import lombok.extern.slf4j.Slf4j;
+import org.junit.After;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.scheduling.TaskScheduler;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+import java.io.Serializable;
+import java.time.Duration;
+import java.time.Instant;
+import java.util.List;
+
+/**
+ * @author JC
+ * @date 03/13
+ */
+@Slf4j
+@RunWith(SpringJUnit4ClassRunner.class)
+@SpringBootTest(classes = {SpringCronConfig.class, SpringCronUtil.class})
+public class SpringCronUtilTest {
+	/**
+	 * 创建一个定时任务
+	 * 观察日志可进行验证
+	 */
+	@Test
+	public void registerTask() {
+		String ID1 = SpringCronUtil.schedule(this::task, "0/1 * * * * ?");
+		String ID2 = SpringCronUtil.schedule(888, this::task, "0/1 * * * * ?");
+		log.info("taskId: {},{}", ID1, ID2);
+	}
+
+	/**
+	 * 修改一个定时任务
+	 */
+	@Test
+	@SneakyThrows
+	public void updateTask() {
+		SpringCronUtil.schedule(888, this::task, "0/1 * * * * ?");
+		Thread.sleep(5000);
+		boolean update = SpringCronUtil.update(888, "0/5 * * * * ?");
+		log.info("update task result: {}", update);
+	}
+
+	/**
+	 * 取消一个定时任务
+	 */
+	@Test
+	@SneakyThrows
+	public void cancelTask() {
+		SpringCronUtil.schedule(888, this::task, "0/1 * * * * ?");
+		Thread.sleep(5000);
+		boolean cancel = SpringCronUtil.cancel(888);
+		log.info("cancel task result: {}", cancel);
+	}
+
+	/**
+	 * 高级用法
+	 * 参考：
+	 */
+	@Test
+	public void senior() {
+		TaskScheduler scheduler = SpringCronUtil.getScheduler();
+		// 给定时间 开始, 间隔时间..
+		scheduler.scheduleAtFixedRate(this::task, Instant.now(), Duration.ofMinutes(10));
+		// ...
+	}
+
+	/**
+	 * 取消全部定时任务
+	 * 查看当前所有的任务
+	 */
+	@After
+	@SneakyThrows
+	public void cancelAll() {
+		Thread.sleep(10000);
+		List<Serializable> allTask = SpringCronUtil.getAllTask();
+		log.info("allTask: {}", allTask);
+
+		SpringCronUtil.destroy();
+
+		allTask = SpringCronUtil.getAllTask();
+		log.info("allTask: {}", allTask);
+	}
+
+	private void task() {
+		log.info("information only.. (date:{})", DateUtil.now());
+	}
+}