snapshot of https://github.com/RocketChat/Rocket.Chat.git (develop, 2026-09-16; blobs > 131072B omitted)

apps/meteor/tests/e2e/thread-persistence-on-navigation.spec.ts

@@ -0,0 +1,61 @@
+import type { IRoom } from '@rocket.chat/core-typings';
+
+import { Users } from './fixtures/userStates';
+import { HomeChannel } from './page-objects';
+import { createTargetChannelAndReturnFullRoom } from './utils';
+import { sendFillerMessages } from './utils/sendMessage';
+import type { BaseTest } from './utils/test';
+import { expect, test } from './utils/test';
+
+test.use({ storageState: Users.admin.state });
+
+test.describe.serial('Thread persistence on navigation', () => {
+	let poHomeChannel: HomeChannel;
+	let targetChannel: IRoom;
+	let threadParentMessageId: string;
+
+	const setupChannelData = async (api: BaseTest['api']) => {
+		const rid = targetChannel._id;
+
+		const { message: parentMessage } = await (await api.post('/chat.postMessage', { roomId: rid, text: 'Thread parent message' })).json();
+		threadParentMessageId = parentMessage._id;
+
+		await api.post('/chat.postMessage', {
+			roomId: rid,
+			text: 'Thread reply that should persist after navigation',
+			tmid: parentMessage._id,
+		});
+
+		await sendFillerMessages(api, rid);
+	};
+
+	test.beforeAll(async ({ api }) => {
+		const { channel } = await createTargetChannelAndReturnFullRoom(api);
+		targetChannel = channel;
+		await setupChannelData(api);
+	});
+
+	test.afterAll(({ api }) => api.post('/channels.delete', { roomId: targetChannel._id }));
+
+	test.beforeEach(async ({ page }) => {
+		poHomeChannel = new HomeChannel(page);
+	});
+
+	test('expect thread content to persist after clicking Jump to recent messages', async ({ page }) => {
+		await poHomeChannel.gotoChannelMessage(targetChannel.name as string, threadParentMessageId, true);
+
+		await expect(page).toHaveURL(/.*thread/);
+		await expect(poHomeChannel.content.threadMessageList).toBeVisible();
+		const threadMessageCount = await poHomeChannel.content.threadMessageListItems.count();
+		expect(threadMessageCount).toBeGreaterThan(0);
+
+		const jumpToRecentButton = page.getByRole('button', { name: 'Jump to recent messages' });
+		await expect(jumpToRecentButton).toBeVisible();
+		await jumpToRecentButton.click();
+
+		await expect(page).toHaveURL(/.*thread/);
+		await expect(poHomeChannel.content.threadMessageList).toBeVisible();
+		await expect(poHomeChannel.content.threadMessageListItems).toHaveCount(threadMessageCount);
+		await expect(poHomeChannel.content.threadMessageList).toContainText('Thread reply that should persist after navigation');
+	});
+});