fix queue size -1 failing to be retrieved

Cargo.toml

@@ -4,7 +4,7 @@ version = "8.0.1"
 authors = [
     "David Bonet <webbonet@gmail.com>"
 ]
-edition = "2018"
+edition = "2021"
 license = "MIT"
 description = "Async RSMQ port to rust. RSMQ is a simple redis queue system that works in any redis v2.4+. It contains the same methods as the original one in https://github.com/smrchy/rsmq"
 homepage = "https://crates.io/crates/rsmq_async"

src/functions.rs

@@ -197,7 +197,7 @@ impl<T: ConnectionLike> RsmqFunctions<T> {
 
         let time: (u64, u64) = redis::cmd("TIME").query_async(conn).await?;
 
-        let result: (Vec<Option<u64>>, u64, u64) = pipe()
+        let result: (Vec<Option<i64>>, u64, u64) = pipe()
             .atomic()
             .cmd("HMGET")
             .arg(format!("{}:Q", key))
@@ -228,19 +228,19 @@ impl<T: ConnectionLike> RsmqFunctions<T> {
                 .0
                 .first()
                 .and_then(Option::as_ref)
-                .map(|dur| Duration::from_millis(*dur))
+                .map(|dur| Duration::from_millis((*dur).try_into().unwrap_or(0)))
                 .unwrap_or(Duration::ZERO),
             delay: result
                 .0
                 .get(1)
                 .and_then(Option::as_ref)
-                .map(|dur| Duration::from_millis(*dur))
+                .map(|dur| Duration::from_millis((*dur).try_into().unwrap_or(0)))
                 .unwrap_or(Duration::ZERO),
             maxsize: result.0.get(2).unwrap_or(&Some(0)).unwrap_or(0),
-            totalrecv: result.0.get(3).unwrap_or(&Some(0)).unwrap_or(0),
-            totalsent: result.0.get(4).unwrap_or(&Some(0)).unwrap_or(0),
-            created: result.0.get(5).unwrap_or(&Some(0)).unwrap_or(0),
-            modified: result.0.get(6).unwrap_or(&Some(0)).unwrap_or(0),
+            totalrecv: u64::try_from(result.0.get(3).unwrap_or(&Some(0)).unwrap_or(0)).unwrap_or(0),
+            totalsent: u64::try_from(result.0.get(4).unwrap_or(&Some(0)).unwrap_or(0)).unwrap_or(0),
+            created: u64::try_from(result.0.get(5).unwrap_or(&Some(0)).unwrap_or(0)).unwrap_or(0),
+            modified: u64::try_from(result.0.get(6).unwrap_or(&Some(0)).unwrap_or(0)).unwrap_or(0),
             msgs: result.1,
             hiddenmsgs: result.2,
         })
@@ -473,7 +473,7 @@ impl<T: ConnectionLike> RsmqFunctions<T> {
         let time_millis = (result.1).0 * 1000;
 
         let (hmget_first, hmget_second, hmget_third) =
-            match (result.0.get(0), result.0.get(1), result.0.get(2)) {
+            match (result.0.first(), result.0.get(1), result.0.get(2)) {
                 (Some(Some(v0)), Some(Some(v1)), Some(Some(v2))) => (v0, v1, v2),
                 _ => return Err(RsmqError::QueueNotFound),
             };

src/types.rs

@@ -67,7 +67,7 @@ pub struct RsmqQueueAttributes {
     /// since it was sent
     pub delay: Duration,
     /// Max size of the message in bytes in the queue
-    pub maxsize: u64,
+    pub maxsize: i64,
     /// Number of messages received by the queue
     pub totalrecv: u64,
     /// Number of messages sent by the queue

tests/test.rs

@@ -426,3 +426,23 @@ fn change_message_visibility() {
         rsmq.delete_queue("queue6").await.unwrap();
     })
 }
+
+#[test]
+fn change_queue_size() {
+    let rt = tokio::runtime::Runtime::new().unwrap();
+
+    rt.block_on(async move {
+        let ctx = TestContext::new();
+        let connection = ctx.async_connection().await.unwrap();
+        let mut rsmq = Rsmq::new_with_connection(connection, false, None);
+
+        rsmq.create_queue("queue6", None, None, None).await.unwrap();
+
+        rsmq.set_queue_attributes("queue6", None, None, Some(-1)).await.unwrap();
+
+        let attributes = rsmq.get_queue_attributes("queue6").await.unwrap();
+
+        assert_eq!(attributes.maxsize, -1);
+
+    })
+}