Simplify song tests

app/Http/Controllers/API/SongController.php

@@ -75,7 +75,7 @@ class SongController extends Controller
             'lyrics' => $song->lyrics,
             'album_info' => $song->album->getInfo(),
             'artist_info' => $song->artist->getInfo(),
-            'youtube' => YouTube::searchVideosRelatedToSong($song),
+            'youtube' => $song->getRelatedYouTubeVideos(),
         ]);
     }
 

app/Http/Controllers/API/YouTubeController.php

@@ -18,6 +18,6 @@ class YouTubeController extends Controller
      */
     public function searchVideosRelatedToSong(Request $request, Song $song)
     {
-        return response()->json(YouTube::searchVideosRelatedToSong($song, $request->pageToken));
+        return response()->json($song->getRelatedYouTubeVideos($request->pageToken));
     }
 }

app/Models/Song.php

@@ -8,6 +8,7 @@ use Aws\AwsClient;
 use Cache;
 use Illuminate\Database\Eloquent\Model;
 use Lastfm;
+use YouTube;
 
 /**
  * @property string path
@@ -281,6 +282,18 @@ class Song extends Model
         return $url;
     }
 
+    /**
+     * Get the YouTube videos related to this song.
+     *
+     * @param string $youTubePageToken The YouTube page token, for pagination purpose.
+     *
+     * @return @return object|false
+     */
+    public function getRelatedYouTubeVideos($youTubePageToken = '')
+    {
+        return YouTube::searchVideosRelatedToSong($this, $youTubePageToken);
+    }
+
     /**
      * Sometimes the tags extracted from getID3 are HTML entity encoded.
      * This makes sure they are always sane.

tests/SongTest.php

@@ -304,20 +304,6 @@ class SongTest extends TestCase
         ]);
     }
 
-    public function testGetSongInfo()
-    {
-        $song = Song::first();
-
-        $this->actingAs(factory(User::class, 'admin')->create())
-            ->get("/api/{$song->id}/info")
-            ->seeStatusCode(200)
-            ->seeJson([
-                'lyrics' => $song->lyrics,
-                'artist_info' => false,
-                'album_info' => false,
-            ]);
-    }
-
     public function testGetObjectStoragePublicUrl()
     {
         $song = Song::first();