Correct return value of SpotifyWebAPI::getSnapshotId()

Author: jwilsson

src/SpotifyWebAPI.php

@@ -63,7 +63,7 @@ protected function getSnapshotId(array|object $body): string|bool
     {
         $body = (array) $body;
 
-        return $body['snapshot_id'] ?? null;
+        return $body['snapshot_id'] ?? false;
     }
 
     /**

tests/SpotifyWebAPITest.php

@@ -283,6 +283,31 @@ public function testAddPlaylistTracks()
         );
     }
 
+    public function testAddPlaylistTracksNoSnapshotId()
+    {
+        $expected = json_encode([
+            'uris' => [],
+        ]);
+
+        $headers = ['Content-Type' => 'application/json'];
+        $return = ['body' => []];
+        $api = $this->setupApi(
+            'POST',
+            '/v1/playlists/0UZ0Ll4HJHR7yvURYbHJe9/tracks',
+            $expected,
+            $headers,
+            $return
+        );
+
+        $this->assertFalse(
+            $api->addPlaylistTracks(
+                'spotify:playlist:0UZ0Ll4HJHR7yvURYbHJe9',
+                [],
+                []
+            )
+        );
+    }
+
     public function testChangeMyDevice()
     {
         $options = ['device_ids' => 'abc123'];
@@ -617,6 +642,30 @@ public function testDeletePlaylistTracksPositions()
         );
     }
 
+    public function testDeletePlaylistTracksNoSnapshotId()
+    {
+        $expected = json_encode([
+            'positions' => [],
+        ]);
+
+        $headers = ['Content-Type' => 'application/json'];
+        $return = ['body' => []];
+        $api = $this->setupApi(
+            'DELETE',
+            '/v1/playlists/0UZ0Ll4HJHR7yvURYbHJe9/tracks',
+            $expected,
+            $headers,
+            $return
+        );
+
+        $this->assertFalse(
+            $api->deletePlaylistTracks(
+                'spotify:playlist:0UZ0Ll4HJHR7yvURYbHJe9',
+                ['positions' => []]
+            )
+        );
+    }
+
     public function testFollowArtistsOrUsers()
     {
         $options = [
@@ -2014,6 +2063,29 @@ public function testReorderPlaylistTracks()
         );
     }
 
+    public function testReorderPlaylistTracksNoSnapshotId()
+    {
+        $expected = json_encode([
+        ]);
+
+        $headers = ['Content-Type' => 'application/json'];
+        $return = ['body' => []];
+        $api = $this->setupApi(
+            'PUT',
+            '/v1/playlists/0UZ0Ll4HJHR7yvURYbHJe9/tracks',
+            $expected,
+            $headers,
+            $return
+        );
+
+        $this->assertFalse(
+            $api->reorderPlaylistTracks(
+                'spotify:playlist:0UZ0Ll4HJHR7yvURYbHJe9',
+                []
+            )
+        );
+    }
+
     public function testRepeat()
     {
         $return = ['status' => 204];