[ISSUE #1127]🧪Add test case for BlockingQueue (#1128)

rocketmq/src/blocking_queue.rs

@@ -71,3 +71,48 @@ impl<T> BlockingQueue<T> {
         time::timeout(timeout, self.take()).await.ok()
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use tokio::time::Duration;
+
+    use super::*;
+
+    #[tokio::test]
+    async fn put_item_in_queue() {
+        let queue = BlockingQueue::new(2);
+        queue.put(1).await;
+        let item = queue.take().await;
+        assert_eq!(item, 1);
+    }
+
+    #[tokio::test]
+    async fn offer_item_within_timeout() {
+        let queue = BlockingQueue::new(1);
+        let result = queue.offer(1, Duration::from_millis(100)).await;
+        assert!(result);
+    }
+
+    #[tokio::test]
+    async fn offer_item_exceeds_timeout() {
+        let queue = BlockingQueue::new(1);
+        queue.put(1).await;
+        let result = queue.offer(2, Duration::from_millis(100)).await;
+        assert!(!result);
+    }
+
+    #[tokio::test]
+    async fn poll_item_within_timeout() {
+        let queue = BlockingQueue::new(1);
+        queue.put(1).await;
+        let item = queue.poll(Duration::from_millis(100)).await;
+        assert_eq!(item, Some(1));
+    }
+
+    #[tokio::test]
+    async fn poll_item_exceeds_timeout() {
+        let queue = BlockingQueue::<()>::new(1);
+        let item = queue.poll(Duration::from_millis(100)).await;
+        assert_eq!(item, None);
+    }
+}