added tests, use specific CI

src-tauri/src/commands/playback_mode.rs

@@ -127,3 +127,72 @@ pub struct RemoteSessionStatus {
     pub is_playing: bool,
     pub now_playing_item: Option<crate::jellyfin::NowPlayingItem>,
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_playback_mode_serialization() {
+        // Test Local playback mode
+        let local_mode = PlaybackMode::Local;
+        let json = serde_json::to_string(&local_mode);
+        assert!(json.is_ok());
+
+        // Test Remote playback mode
+        let remote_mode = PlaybackMode::Remote {
+            session_id: "session-123".to_string(),
+        };
+        let json = serde_json::to_string(&remote_mode);
+        assert!(json.is_ok());
+    }
+
+    #[test]
+    fn test_remote_session_status_serialization() {
+        let status = RemoteSessionStatus {
+            position: 123.45,
+            duration: Some(600.0),
+            is_playing: true,
+            now_playing_item: None,
+        };
+
+        // Should serialize successfully
+        let json = serde_json::to_string(&status);
+        assert!(json.is_ok());
+
+        let serialized = json.unwrap();
+        assert!(serialized.contains("123.45"));
+        assert!(serialized.contains("600"));
+        assert!(serialized.contains("true"));
+    }
+
+    #[test]
+    fn test_remote_session_status_with_no_duration() {
+        let status = RemoteSessionStatus {
+            position: 0.0,
+            duration: None,
+            is_playing: false,
+            now_playing_item: None,
+        };
+
+        let json = serde_json::to_string(&status).unwrap();
+        assert!(json.contains("null") || json.contains("\"duration\":null"));
+    }
+
+    #[test]
+    fn test_remote_session_status_various_positions() {
+        let positions = vec![0.0, 30.5, 100.0, 3600.0];
+
+        for pos in positions {
+            let status = RemoteSessionStatus {
+                position: pos,
+                duration: Some(7200.0),
+                is_playing: true,
+                now_playing_item: None,
+            };
+
+            let json = serde_json::to_string(&status).unwrap();
+            assert!(json.contains(&pos.to_string()));
+        }
+    }
+}