FIX: Clicking a notification was triggering an error (#25583)

app/assets/javascripts/discourse/app/lib/user-menu/base-item.js

@@ -61,11 +61,12 @@ export default class UserMenuBaseItem {
     if (wantsNewWindow(event)) {
       return;
     }
-    closeUserMenu();
+
-    const href = this.linkHref;
-    if (href) {
-      DiscourseURL.routeTo(href);
-    }
     event.preventDefault();
+    closeUserMenu?.();
+
+    if (this.linkHref) {
+      DiscourseURL.routeTo(this.linkHref);
+    }
   }
 }

app/assets/javascripts/discourse/tests/acceptance/notifications-test.js

@@ -1,18 +1,20 @@
-import { visit } from "@ember/test-helpers";
+import { getOwner } from "@ember/application";
+import { click, currentURL, visit } from "@ember/test-helpers";
 import { test } from "qunit";
-import User from "discourse/models/user";
+import NotificationFixtures from "discourse/tests/fixtures/notification-fixtures";
 import {
   acceptance,
-  exists,
   publishToMessageBus,
 } from "discourse/tests/helpers/qunit-helpers";
+import { cloneJSON } from "discourse-common/lib/object";
 
 acceptance("Category Notifications", function (needs) {
   needs.user({ muted_category_ids: [1], indirectly_muted_category_ids: [2] });
 
   test("New category is muted when parent category is muted", async function (assert) {
     await visit("/");
-    const user = User.current();
+    const user = getOwner(this).lookup("service:current-user");
+
     await publishToMessageBus("/categories", {
       categories: [
         {
@@ -43,7 +45,7 @@ acceptance("Category Notifications", function (needs) {
 });
 
 acceptance(
-  "User Notifications - there is no notifications yet",
+  "User Notifications - there are no notifications yet",
   function (needs) {
     needs.user();
 
@@ -55,15 +57,37 @@ acceptance(
       });
     });
 
-    test("It renders the empty state panel", async function (assert) {
+    test("renders the empty state panel", async function (assert) {
-      await visit("/u/eviltrout/notifications");
-      assert.ok(exists("div.empty-state"));
-    });
-
-    test("It does not render filter", async function (assert) {
       await visit("/u/eviltrout/notifications");
 
-      assert.notOk(exists("div.user-notifications-filter"));
+      assert.dom("div.empty-state").exists();
+      assert.dom("div.user-notifications-filter").doesNotExist();
     });
   }
 );
+
+acceptance("User Notifications", function (needs) {
+  needs.user();
+
+  needs.pretender((server, helper) => {
+    server.get("/notifications", () => {
+      return helper.response(cloneJSON(NotificationFixtures["/notifications"]));
+    });
+  });
+
+  test("shows the notifications list", async function (assert) {
+    await visit("/u/eviltrout/notifications");
+
+    assert.dom("div.empty-state").doesNotExist();
+    assert.dom("div.user-notifications-filter").exists();
+    assert
+      .dom(".user-notifications-list .notification.unread")
+      .exists({ count: 6 });
+
+    await click(".notification.liked-consolidated a");
+    assert.strictEqual(
+      currentURL(),
+      "/u/eviltrout/notifications/likes-received?acting_username=aquaman"
+    );
+  });
+});

app/assets/javascripts/discourse/tests/fixtures/notification-fixtures.js

@@ -37,7 +37,7 @@ export default {
         notification_type: NOTIFICATION_TYPES.liked_consolidated,
         acting_user_avatar_template: "/letter_avatar_proxy/v4/letter/o/f05b48/{size}.png",
         read: false,
-        data: { display_username: "aquaman", count: "5" },
+        data: { username: "aquaman", display_username: "aquaman", count: 5 },
       },
       {
         id: 789,