code refactor

Reviewed-on: #26

crates/adapters/media-server/tests/plex_parser_test.rs

@@ -0,0 +1,96 @@
+use domain::ports::MediaServerParser;
+use media_server::PlexParser;
+
+#[test]
+fn parses_movie_scrobble() {
+    let body = serde_json::json!({
+        "event": "media.scrobble",
+        "Metadata": {
+            "type": "movie",
+            "title": "Blade Runner",
+            "year": 1982,
+            "Guid": [
+                {"id": "tmdb://78"},
+                {"id": "imdb://tt0083658"}
+            ]
+        }
+    });
+    let parser = PlexParser;
+    let result = parser
+        .parse_playback_event(serde_json::to_vec(&body).unwrap().as_slice())
+        .unwrap();
+    let event = result.expect("should parse");
+    assert_eq!(event.title, "Blade Runner");
+    assert_eq!(event.year, Some(1982));
+    assert_eq!(event.tmdb_id, Some("tmdb:78".into()));
+    assert_eq!(event.imdb_id, Some("tt0083658".into()));
+}
+
+#[test]
+fn ignores_tv_episode() {
+    let body = serde_json::json!({
+        "event": "media.scrobble",
+        "Metadata": {
+            "type": "episode",
+            "title": "Pilot",
+            "grandparentTitle": "Breaking Bad",
+            "year": 2008,
+            "Guid": []
+        }
+    });
+    let parser = PlexParser;
+    let result = parser
+        .parse_playback_event(serde_json::to_vec(&body).unwrap().as_slice())
+        .unwrap();
+    assert!(result.is_none());
+}
+
+#[test]
+fn ignores_play_event() {
+    let body = serde_json::json!({
+        "event": "media.play",
+        "Metadata": {
+            "type": "movie",
+            "title": "Blade Runner",
+            "year": 1982,
+            "Guid": []
+        }
+    });
+    let parser = PlexParser;
+    let result = parser
+        .parse_playback_event(serde_json::to_vec(&body).unwrap().as_slice())
+        .unwrap();
+    assert!(result.is_none());
+}
+
+#[test]
+fn handles_no_guids() {
+    let body = serde_json::json!({
+        "event": "media.scrobble",
+        "Metadata": {
+            "type": "movie",
+            "title": "Some Indie Film",
+            "year": 2023
+        }
+    });
+    let parser = PlexParser;
+    let result = parser
+        .parse_playback_event(serde_json::to_vec(&body).unwrap().as_slice())
+        .unwrap();
+    let event = result.expect("should parse");
+    assert_eq!(event.title, "Some Indie Film");
+    assert!(event.tmdb_id.is_none());
+    assert!(event.imdb_id.is_none());
+}
+
+#[test]
+fn handles_missing_metadata() {
+    let body = serde_json::json!({
+        "event": "media.scrobble"
+    });
+    let parser = PlexParser;
+    let result = parser
+        .parse_playback_event(serde_json::to_vec(&body).unwrap().as_slice())
+        .unwrap();
+    assert!(result.is_none());
+}