Add acceptance test for undo/redo

[MAILPOET-1976]

assets/js/src/newsletter_editor/blocks/button.js

@@ -117,6 +117,7 @@ Module.ButtonBlockSettingsView = base.BlockSettingsView.extend({
 });
 
 Module.ButtonWidgetView = base.WidgetView.extend({
+  id: 'automation_editor_block_button',
   getTemplate: function () { return window.templates.buttonInsertion; },
   behaviors: {
     DraggableBehavior: {

tests/acceptance/EditorHistoryCest.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace MailPoet\Test\Acceptance;
+
+use MailPoet\Test\DataFactories\Newsletter;
+
+require_once __DIR__ . '/../DataFactories/Newsletter.php';
+
+class EditorHistoryCest {
+
+  const BUTTON_SELECTOR = '.mailpoet_button_block';
+
+  function undoRedo(\AcceptanceTester $I) {
+    $I->wantTo('Undo and redo');
+    $newsletter = (new Newsletter())
+        ->loadBodyFrom('newsletterWithText.json')
+        ->withSubject('Undo redo test')
+        ->create();
+
+    $I->login();
+    $I->amEditingNewsletter($newsletter->id);
+
+    $I->dragAndDrop('#automation_editor_block_button', '#mce_0');
+    $I->waitForElementVisible(self::BUTTON_SELECTOR);
+    $I->waitForText('Autosaved');
+
+    // Mouse undo
+    $I->click('#mailpoet-history-arrow-undo');
+    $I->waitForElementNotVisible(self::BUTTON_SELECTOR);
+
+    // Mouse redo
+    $I->click('#mailpoet-history-arrow-redo');
+    $I->waitForElementVisible(self::BUTTON_SELECTOR);
+
+    // Keyboard undo
+    $I->pressKey('body', [\WebDriverKeys::CONTROL, 'z']);
+    $I->waitForElementNotVisible(self::BUTTON_SELECTOR);
+
+    // Keyboard redo
+    $I->pressKey('body', [\WebDriverKeys::SHIFT, \WebDriverKeys::CONTROL, 'z']);
+    $I->waitForElementVisible(self::BUTTON_SELECTOR);
+  }
+
+}