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

e2e-tests/cypress/tests/integration/channels/messaging/message_reply_spec.js

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+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+// ***************************************************************
+// - [#] indicates a test step (e.g. # Go to a page)
+// - [*] indicates an assertion (e.g. * Check the title)
+// - Use element ID when selecting an element. Create one if none.
+// ***************************************************************
+
+// Group: @channels @messaging
+
+import {getAdminAccount} from '@/support/env';
+
+describe('Message Reply', () => {
+    const sysadmin = getAdminAccount();
+    let newChannel;
+
+    before(() => {
+        // # Create and visit new channel
+        cy.apiInitSetup({loginAfter: true}).then(({team, channel}) => {
+            newChannel = channel;
+            cy.visit(`/${team.name}/channels/${channel.name}`);
+
+            // HERE WE NEED TO UPDATE THE AREA SINCE WE REMOVED THIS ID
+            // # Wait for the page to fully load before continuing
+            cy.get('#sidebar-header-container').should('be.visible').and('have.text', team.display_name);
+        });
+    });
+
+    it('MM-T90 Reply to older message', () => {
+        // # Get yesterdays date in UTC
+        const yesterdaysDate = Cypress.dayjs().subtract(1, 'days').valueOf();
+
+        // # Post a day old message
+        cy.postMessageAs({sender: sysadmin, message: 'Hello from yesterday', channelId: newChannel.id, createAt: yesterdaysDate}).
+            its('id').
+            should('exist').
+            as('yesterdaysPost');
+
+        // # Add two subsequent posts
+        cy.postMessage('One');
+        cy.postMessage('Two');
+
+        cy.get('@yesterdaysPost').then((postId) => {
+            // # Open RHS comment menu
+            cy.clickPostCommentIcon(postId);
+
+            // # Reply with the attachment
+            const replyText = 'A reply to an older post with attachment';
+            cy.postMessageReplyInRHS(replyText);
+
+            // # Get the latest reply post
+            cy.uiWaitUntilMessagePostedIncludes(replyText);
+            cy.getLastPostId().then((replyId) => {
+                // * Verify that the reply is in the channel view with matching text
+                cy.get(`#post_${replyId}`).within(() => {
+                    cy.findByTestId('post-link').should('be.visible').and('have.text', 'Commented on sysadmin\'s message: Hello from yesterday');
+                    cy.get(`#postMessageText_${replyId}`).should('be.visible').and('have.text', 'A reply to an older post with attachment');
+                });
+
+                // * Verify that the reply is in the RHS with matching text
+                cy.get(`#rhsPost_${replyId}`).within(() => {
+                    cy.findByTestId('post-link').should('not.exist');
+                    cy.get(`#rhsPostMessageText_${replyId}`).should('be.visible').and('have.text', 'A reply to an older post with attachment');
+                });
+
+                cy.get(`#CENTER_time_${postId}`).find('time').invoke('attr', 'dateTime').then((originalTimeStamp) => {
+                    // * Verify the first post timestamp equals the RHS timestamp
+                    cy.get(`#RHS_ROOT_time_${postId}`).find('time').invoke('attr', 'dateTime').should('equal', originalTimeStamp);
+
+                    // * Verify the first post timestamp was not modified by the reply
+                    cy.get(`#CENTER_time_${replyId}`).find('time').should('have.attr', 'dateTime').and('not.equal', originalTimeStamp);
+                });
+            });
+        });
+
+        // # Close RHS
+        cy.uiCloseRHS();
+
+        // # Verify RHS is open
+        cy.get('#rhsContainer').should('not.exist');
+    });
+});