added blocking commands tests

redis/tests/test_blocking_commands.rs

@@ -0,0 +1,32 @@
+#![cfg(feature = "cluster-async")]
+mod support;
+
+#[cfg(test)]
+mod test_blocking_commands {
+    use redis::AsyncCommands;
+
+    use crate::support::*;
+    #[tokio::test]
+    async fn test_blocking_command_when_cluster_drops() {
+        let mut cluster = TestClusterContext::new(3, 0);
+        let mut connection = cluster.async_connection(None).await;
+        let time_now = std::time::SystemTime::now();
+        futures::future::join(
+            async {
+                let res = connection.blpop::<&str, f64>("foo", 0.0).await;
+                assert!(res.is_err());
+                println!("blpop returned error {:?}", res.map_err(|e| e.to_string()));
+                println!("time elapsed: {:?}", time_now.elapsed().unwrap());
+            },
+            async {
+                tokio::time::sleep(tokio::time::Duration::from_secs(10)).await;
+                drop(cluster);
+            },
+        )
+        .await;
+        cluster = TestClusterContext::new(3, 0);
+        connection = cluster.async_connection(None).await;
+        let res: () = connection.set("foo", "bar").await.unwrap();
+        assert!(res == ());
+    }
+}