tor-browser

commit 74395b07a6c495b92bf1050e59ba6f31cc027ac7
parent 73f3240120eb777af86695f90afdc9c71d89a008
Author: Maxx Crawford <mcrawford@mozilla.com>
Date:   Tue,  6 Jan 2026 23:53:07 +0000

Bug 2008770 - Fix HTMLDialogElement mock to prevent coverage reporting failures. r=home-newtab-reviewers,reemhamz

Differential Revision: https://phabricator.services.mozilla.com/D278057

Diffstat:
M
browser/extensions/newtab/test/unit/unit-entry.js
 | 
21
++++++++++++---------

1 file changed, 12 insertions(+), 9 deletions(-)
diff --git a/browser/extensions/newtab/test/unit/unit-entry.js b/browser/extensions/newtab/test/unit/unit-entry.js
@@ -37,17 +37,20 @@ chai.use(chaiAssertions);
 
 const overrider = new GlobalOverrider();
 
-// Patch dialog element's .showModal()/close() functions to prevent errors in tests
-// Some test environments may not have proper HTMLDialogElement support
-if (typeof HTMLDialogElement !== "undefined") {
-  HTMLDialogElement.prototype.showModal = function () {
-    this.open = true;
-  };
-  HTMLDialogElement.prototype.close = function () {
-    this.open = false;
-  };
+// Create HTMLDialogElement mock if it doesn't exist
+if (typeof window.HTMLDialogElement === "undefined") {
+  window.HTMLDialogElement = function () {};
+  window.HTMLDialogElement.prototype = Object.create(HTMLElement.prototype);
 }
 
+// Patch the showModal and close methods
+window.HTMLDialogElement.prototype.showModal = function () {
+  this.open = true;
+};
+window.HTMLDialogElement.prototype.close = function () {
+  this.open = false;
+};
+
 const RemoteSettings = name => ({
   get: () => {
     if (name === "attachment") {