DEV: allows to decorate topic list item (#9294)

Co-authored-by: David Taylor <david@taylorhq.com>

test/javascripts/acceptance/topic-test.js

@@ -1,3 +1,4 @@
+import { withPluginApi } from "discourse/lib/plugin-api";
 import selectKit from "helpers/select-kit-helper";
 import { acceptance } from "helpers/qunit-helpers";
 import { IMAGE_VERSION as v } from "pretty-text/emoji/version";
@@ -358,3 +359,30 @@ QUnit.test("Bookmarks Modal", async assert => {
   await click(".topic-post:first-child button.bookmark");
   assert.ok(exists("#bookmark-reminder-modal"), "it shows the bookmark modal");
 });
+
+acceptance("Topic with title decorated", {
+  loggedIn: true,
+  beforeEach() {
+    withPluginApi("0.8.40", api => {
+      api.decorateTopicTitle((topic, node, topicTitleType) => {
+        node.innerText = `${node.innerText}-${topic.id}-${topicTitleType}`;
+      });
+    });
+  }
+});
+
+QUnit.test("Decorate topic title", async assert => {
+  await visit("/t/internationalization-localization/280");
+
+  assert.ok(
+    find(".fancy-title")[0].innerText.endsWith("-280-topic-title"),
+    "it decorates topic title"
+  );
+
+  assert.ok(
+    find(".raw-topic-link:nth-child(1)")[0].innerText.endsWith(
+      "-27331-topic-list-item-title"
+    ),
+    "it decorates topic list item title"
+  );
+});

test/javascripts/helpers/qunit-helpers.js

@@ -16,6 +16,7 @@ import { clearRewrites } from "discourse/lib/url";
 import { initSearchData } from "discourse/widgets/search-menu";
 import { resetDecorators } from "discourse/widgets/widget";
 import { resetWidgetCleanCallbacks } from "discourse/components/mount-widget";
+import { resetTopicTitleDecorators } from "discourse/components/topic-title";
 import { resetDecorators as resetPostCookedDecorators } from "discourse/widgets/post-cooked";
 import { resetDecorators as resetPluginOutletDecorators } from "discourse/components/plugin-connector";
 import { resetCache as resetOneboxCache } from "pretty-text/oneboxer";
@@ -129,6 +130,7 @@ export function acceptance(name, options) {
       resetDecorators();
       resetPostCookedDecorators();
       resetPluginOutletDecorators();
+      resetTopicTitleDecorators();
       resetOneboxCache();
       resetCustomPostMessageCallbacks();
       Discourse._runInitializer("instanceInitializers", function(