Release 2.20.6: saved-image slide previews

test/media-library.test.js

@@ -193,6 +193,19 @@ test('media library counts slide, template background, and region default refere
   assert.match(queries[2].sql, /thumbnail_path/);
 });
 
+test('full-size slide previews share the small thumbnail reference', async () => {
+  const pool = {
+    async query(sql, params) {
+      if (sql.includes('thumbnail_path')) {
+        assert.deepEqual(params, ['/media/thumbnails/slides/slide-7.png']);
+        return [[{ ref_count: 1 }]];
+      }
+      return [[{ owner_count: 0, ref_count: 0 }]];
+    }
+  };
+  assert.equal(await countMediaAssetReferences(pool, '/media/thumbnails/slides/slide-7.full.png'), 1);
+});
+
 test('media library upload and delete routes audit successful asset changes', async () => {
   const originalCreateVariants = mediaLibrary.createImageVariants;
   const originalRegisterAsset = mediaLibrary.registerMediaAsset;