feat: add artist radio

tests/snapshots/youtube__music_artist_basic.snap

@@ -316,4 +316,5 @@ MusicArtist(
   similar_artists: "[artists]",
   tracks_playlist_id: Some("OLAK5uy_n6aX-F_lCQxgyTIv4FJhp78bXV93b9NUM"),
   videos_playlist_id: Some("OLAK5uy_nrePwvOEzmO7SydszEFfCDu8gAJxKfFtw"),
+  radio_id: Some("RDEMdgjzN3Qrk_GD7BooQbkJ4A"),
 )

tests/snapshots/youtube__music_artist_basic_all.snap

@@ -661,4 +661,5 @@ MusicArtist(
   similar_artists: "[artists]",
   tracks_playlist_id: Some("OLAK5uy_n6aX-F_lCQxgyTIv4FJhp78bXV93b9NUM"),
   videos_playlist_id: Some("OLAK5uy_nrePwvOEzmO7SydszEFfCDu8gAJxKfFtw"),
+  radio_id: Some("RDEMdgjzN3Qrk_GD7BooQbkJ4A"),
 )

tests/snapshots/youtube__music_artist_no_artist.snap

@@ -15,4 +15,5 @@ MusicArtist(
   similar_artists: "[artists]",
   tracks_playlist_id: None,
   videos_playlist_id: None,
+  radio_id: None,
 )

tests/snapshots/youtube__music_artist_no_more_albums.snap

@@ -151,4 +151,5 @@ MusicArtist(
   similar_artists: "[artists]",
   tracks_playlist_id: Some("OLAK5uy_miHesZCUQY5S9EwqfoNP2tZR9nZ0NBAeU"),
   videos_playlist_id: Some("OLAK5uy_mqbgE6T9uvusUWrAxJGiImf4_P4dM7IvQ"),
+  radio_id: Some("RDEM7AbogW0cCnElSU0WYm1GqA"),
 )

tests/snapshots/youtube__music_artist_only_singles.snap

@@ -31,4 +31,5 @@ MusicArtist(
   similar_artists: "[artists]",
   tracks_playlist_id: None,
   videos_playlist_id: Some("OLAK5uy_lmH3iVq6lqjsnLkBWzpvRTh0DidLzbU-I"),
+  radio_id: Some("RDEMYsk_DTFHAng1G7n5toi_oA"),
 )

tests/youtube.rs

@@ -2031,7 +2031,34 @@ async fn music_radio_playlist_not_found() {
         .music_radio_playlist("PL5dDx681T4bR7ZF1IuWzOv1omlZZZZZZZ")
         .await;
 
-    // Currently this returns valid data
+    if let Err(err) = res {
+        assert!(
+            matches!(
+                err,
+                Error::Extraction(ExtractionError::ContentUnavailable(_))
+            ),
+            "got: {}",
+            err
+        );
+    }
+}
+
+#[tokio::test]
+async fn music_radio_artist() {
+    let rp = RustyPipe::builder().strict().build();
+    let tracks = rp
+        .query()
+        .music_radio("RDEM_Ktu-TilkxtLvmc9wX1MLQ")
+        .await
+        .unwrap();
+    assert_next_items(tracks, rp.query(), 20).await;
+}
+
+#[tokio::test]
+async fn music_radio_not_found() {
+    let rp = RustyPipe::builder().strict().build();
+    let res = rp.query().music_radio("RDEM_Ktu-TilkxtLvmc9wXZZZZ").await;
+
     if let Err(err) = res {
         assert!(
             matches!(