Move /e2e -> /e2e-tests

e2e-tests/cypress/tests/integration/channels/scroll/helpers.js

@@ -0,0 +1,49 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+import * as TIMEOUTS from '../../../fixtures/timeouts';
+
+// # Other user posts a few messages so that the first message is hidden
+export function postListOfMessages({sender, channelId, numberOfMessages = 30}) {
+    Cypress._.times(numberOfMessages, (postIndex) => {
+        cy.postMessageAs({sender, message: `Other users p-${postIndex}`, channelId});
+    });
+}
+
+// # Scroll above the last few messages
+export function scrollCurrentChannelFromTop(listPercentageRatio) {
+    cy.get('div.post-list__dynamic', {timeout: TIMEOUTS.ONE_SEC}).should('be.visible').
+        scrollTo(0, listPercentageRatio, {duration: TIMEOUTS.ONE_SEC}).
+        wait(TIMEOUTS.ONE_SEC);
+}
+
+export function deletePostAndVerifyScroll(postId, options) {
+    let firstPostBeforeScroll;
+    let lastPostBeforeScroll;
+
+    // # Get the text of the first visible post
+    cy.get('.post-message__text:visible').first().then((postMessage) => {
+        firstPostBeforeScroll = postMessage.text();
+    });
+
+    // # Get the text of the last visible post
+    cy.get('.post-message__text:visible').last().then((postMessage) => {
+        lastPostBeforeScroll = postMessage.text();
+    });
+
+    // # Remove the message
+    cy.externalRequest({...options, method: 'DELETE', path: `posts/${postId}`});
+
+    // # Wait for the message to be deleted
+    cy.wait(TIMEOUTS.ONE_SEC);
+
+    // * Verify the first post is the same after the deleting
+    cy.get('.post-message__text:visible').first().then((firstPostAfterScroll) => {
+        expect(firstPostAfterScroll.text()).equal(firstPostBeforeScroll);
+    });
+
+    // * Verify the last post is the same after the deleting
+    cy.get('.post-message__text:visible').last().then((lastPostAfterScroll) => {
+        expect(lastPostAfterScroll.text()).equal(lastPostBeforeScroll);
+    });
+}