Implement fmt::Display for Stream

server/src/streaming/streams/stream.rs

@@ -4,6 +4,7 @@ use crate::streaming::topics::topic::Topic;
 use iggy::utils::byte_size::IggyByteSize;
 use iggy::utils::timestamp::IggyTimestamp;
 use std::collections::HashMap;
+use std::fmt;
 use std::sync::atomic::{AtomicU32, AtomicU64, Ordering};
 use std::sync::Arc;
 
@@ -24,6 +25,15 @@ pub struct Stream {
     pub(crate) storage: Arc<SystemStorage>,
 }
 
+impl fmt::Display for Stream {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "ID: {}, ", self.stream_id)?;
+        write!(f, "name: {}, ", self.name)?;
+        write!(f, "size bytes: {:?}, ", self.size_bytes)?;
+        write!(f, "messages count: {:?}", self.messages_count)
+    }
+}
+
 impl Stream {
     pub fn empty(id: u32, config: Arc<SystemConfig>, storage: Arc<SystemStorage>) -> Self {
         Stream::create(id, "", config, storage)
@@ -81,5 +91,6 @@ mod tests {
         assert_eq!(stream.path, path);
         assert_eq!(stream.topics_path, topics_path);
         assert!(stream.topics.is_empty());
+        assert_eq!("ID: 1, name: test, size bytes: 0, messages count: 0", format!("{}", stream));
     }
 }