snapshot of https://github.com/mattermost/mattermost.git (master, 2026-09-16; blobs > 131072B omitted)

e2e-tests/playwright/specs/functional/channels/discoverable_channels/discoverable_channels.spec.ts

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+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+import {expect, test} from '@mattermost/playwright-lib';
+
+/**
+ * These specs cover the Discoverable Private Channels request-to-join UX
+ * (MM-68764). They only run when the DiscoverableChannels feature flag is
+ * enabled on the server (e.g. MM_FEATUREFLAGS_DiscoverableChannels=true);
+ * otherwise they self-skip.
+ */
+
+async function createDiscoverableChannel(adminClient: any, teamId: string) {
+    const suffix = Date.now();
+    return adminClient.createChannel({
+        team_id: teamId,
+        name: `disc-private-${suffix}`,
+        display_name: `Discoverable Private ${suffix}`,
+        type: 'P',
+        discoverable: true,
+    });
+}
+
+test(
+    'MM-68764 non-member requests to join a discoverable private channel from Browse Channels and can withdraw',
+    {tag: ['@discoverable_channels']},
+    async ({pw}) => {
+        await pw.skipIfFeatureFlagNotSet('DiscoverableChannels', true);
+
+        // # Initialize setup and create a discoverable private channel the user is not a member of
+        const {team, user, adminClient} = await pw.initSetup();
+        const channel = await createDiscoverableChannel(adminClient, team.id);
+
+        // # Log in as the non-member user and open Browse Channels
+        const {channelsPage} = await pw.testBrowser.login(user);
+        await channelsPage.goto(team.name, 'town-square');
+        await channelsPage.toBeVisible();
+
+        const dialog = await channelsPage.openBrowseChannelsModal();
+        await dialog.toBeVisible();
+
+        // # Find the discoverable channel
+        await dialog.fillSearchInput(channel.display_name);
+        await dialog.toBeDoneLoading();
+
+        // * The row offers "Request to join" rather than a Join button
+        await dialog.toHaveRequestToJoinButton(channel.display_name);
+
+        // # Request to join and confirm in the modal
+        await dialog.clickRequestToJoin(channel.display_name);
+        await expect(channelsPage.page.getByRole('button', {name: 'Send Request'})).toBeVisible();
+        await channelsPage.page.getByRole('button', {name: 'Send Request'}).click();
+
+        // * The row flips to the pending "Withdraw" state
+        await dialog.toHaveWithdrawButton(channel.display_name);
+
+        // # Withdraw the request
+        await dialog.clickWithdraw(channel.display_name);
+
+        // * The row returns to the "Request to join" state
+        await dialog.toHaveRequestToJoinButton(channel.display_name);
+    },
+);
+
+test(
+    'MM-68764 selecting a discoverable private channel from Find Channels opens Request to Join, not the legacy join',
+    {tag: ['@discoverable_channels']},
+    async ({pw}) => {
+        await pw.skipIfFeatureFlagNotSet('DiscoverableChannels', true);
+
+        // # Initialize setup and create a discoverable private channel the user is not a member of
+        const {team, user, adminClient} = await pw.initSetup();
+        const channel = await createDiscoverableChannel(adminClient, team.id);
+
+        // # Log in as the non-member user
+        const {channelsPage} = await pw.testBrowser.login(user);
+        await channelsPage.goto(team.name, 'town-square');
+        await channelsPage.toBeVisible();
+
+        // # Open Find Channels (Cmd/Ctrl+K) and locate the discoverable channel
+        await channelsPage.sidebarLeft.findChannelButton.click();
+        await channelsPage.findChannelsModal.toBeVisible();
+        await channelsPage.findChannelsModal.input.fill(channel.display_name);
+
+        const result = channelsPage.findChannelsModal.getResult(channel.name);
+        await expect(result).toBeVisible();
+
+        // # Select the discoverable channel
+        await channelsPage.findChannelsModal.selectChannel(channel.name);
+
+        // * The Request to Join modal opens instead of the legacy private-channel join
+        // confirmation, and no "Join private channel" dialog is shown.
+        await expect(channelsPage.page.getByRole('button', {name: 'Send Request'})).toBeVisible();
+        await expect(channelsPage.page.getByText('Are you sure you wish to join')).toHaveCount(0);
+    },
+);