From 70c9524cd6d446e483ff2396be0a8b4b185dbb2b Mon Sep 17 00:00:00 2001
From: Amelia Magee <amelia.magee@jadu.co.uk>
Date: Wed, 11 Sep 2024 02:35:11 +0100
Subject: [PATCH] Revert Favicon change

---
 tests/js/web/Notifications/FaviconEditorTest.js | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/tests/js/web/Notifications/FaviconEditorTest.js b/tests/js/web/Notifications/FaviconEditorTest.js
index caac27f6b8..ead99ab76f 100644
--- a/tests/js/web/Notifications/FaviconEditorTest.js
+++ b/tests/js/web/Notifications/FaviconEditorTest.js
@@ -145,7 +145,21 @@ describe('FaviconEditor', () => {
                 faviconEditor = new FaviconEditor($root[0]);
                 faviconEditor.init();
 
-                canvas.toDataURL('image/png');
+                // Override serializer to return raw image data, we cannot use the default
+                // canvas.toDataURL(...) here as the png compression is different when
+                // in the browser / headless test environments
+                faviconEditor.setSerializer((canvas, ctx) => {
+                    const imageData = ctx.getImageData(0, 0, canvas.width, canvas.height);
+                    const debugCvs = document.createElement('canvas');
+                    const debugCtx = debugCvs.getContext('2d');
+
+                    debugCtx.width = canvas.width;
+                    debugCtx.height = canvas.height;
+                    debugCtx.putImageData(imageData, 0, 0);
+                    actual = debugCvs.toDataURL('image/png');
+
+                    return [...imageData.data];
+                });
 
                 faviconEditor.addCircleNotification('red', 5)
                     .then((data) => {