--- /dev/null
+<?php
+
+namespace Drupal\FunctionalJavascriptTests\Ajax;
+
+use Drupal\FunctionalJavascriptTests\WebDriverTestBase;
+
+/**
+ * Performs tests on AJAX framework commands.
+ *
+ * @group Ajax
+ */
+class CommandsTest extends WebDriverTestBase {
+
+ /**
+ * {@inheritdoc}
+ */
+ public static $modules = ['node', 'ajax_test', 'ajax_forms_test'];
+
+ /**
+ * Tests the various Ajax Commands.
+ */
+ public function testAjaxCommands() {
+ $session = $this->getSession();
+ $page = $this->getSession()->getPage();
+
+ $form_path = 'ajax_forms_test_ajax_commands_form';
+ $web_user = $this->drupalCreateUser(['access content']);
+ $this->drupalLogin($web_user);
+ $this->drupalGet($form_path);
+
+ // Tests the 'add_css' command.
+ $page->pressButton("AJAX 'add_css' command");
+ $this->assertWaitPageContains('my/file.css');
+
+ // Tests the 'after' command.
+ $page->pressButton("AJAX 'After': Click to put something after the div");
+ $this->assertWaitPageContains('<div id="after_div">Something can be inserted after this</div>This will be placed after');
+
+ // Tests the 'alert' command.
+ $test_alert_command = <<<JS
+window.alert = function() {
+ document.body.innerHTML += '<div class="alert-command">Alert</div>';
+};
+JS;
+ $session->executeScript($test_alert_command);
+ $page->pressButton("AJAX 'Alert': Click to alert");
+ $this->assertWaitPageContains('<div class="alert-command">Alert</div>');
+
+ // Tests the 'append' command.
+ $page->pressButton("AJAX 'Append': Click to append something");
+ $this->assertWaitPageContains('<div id="append_div">Append inside this divAppended text</div>');
+
+ // Tests the 'before' command.
+ $page->pressButton("AJAX 'before': Click to put something before the div");
+ $this->assertWaitPageContains('Before text<div id="before_div">Insert something before this.</div>');
+
+ // Tests the 'changed' command.
+ $page->pressButton("AJAX changed: Click to mark div changed.");
+ $this->assertWaitPageContains('<div id="changed_div" class="ajax-changed">');
+
+ // Tests the 'changed' command using the second argument.
+ // Refresh page for testing 'changed' command to same element again.
+ $this->drupalGet($form_path);
+ $page->pressButton("AJAX changed: Click to mark div changed with asterisk.");
+ $this->assertWaitPageContains('<div id="changed_div" class="ajax-changed"> <div id="changed_div_mark_this">This div can be marked as changed or not. <abbr class="ajax-changed" title="Changed">*</abbr> </div></div>');
+
+ // Tests the 'css' command.
+ $page->pressButton("Set the '#box' div to be blue.");
+ $this->assertWaitPageContains('<div id="css_div" style="background-color: blue;">');
+
+ // Tests the 'data' command.
+ $page->pressButton("AJAX data command: Issue command.");
+ $this->assertTrue($page->waitFor(10, function () use ($session) {
+ return 'testvalue' === $session->evaluateScript('window.jQuery("#data_div").data("testkey")');
+ }));
+
+ // Tests the 'html' command.
+ $page->pressButton("AJAX html: Replace the HTML in a selector.");
+ $this->assertWaitPageContains('<div id="html_div">replacement text</div>');
+
+ // Tests the 'insert' command.
+ $page->pressButton("AJAX insert: Let client insert based on #ajax['method'].");
+ $this->assertWaitPageContains('<div id="insert_div">insert replacement textOriginal contents</div>');
+
+ // Tests the 'invoke' command.
+ $page->pressButton("AJAX invoke command: Invoke addClass() method.");
+ $this->assertWaitPageContains('<div id="invoke_div" class="error">Original contents</div>');
+
+ // Tests the 'prepend' command.
+ $page->pressButton("AJAX 'prepend': Click to prepend something");
+ $this->assertWaitPageContains('<div id="prepend_div">prepended textSomething will be prepended to this div. </div>');
+
+ // Tests the 'remove' command.
+ $page->pressButton("AJAX 'remove': Click to remove text");
+ $this->assertWaitPageContains('<div id="remove_div"></div>');
+
+ // Tests the 'restripe' command.
+ $page->pressButton("AJAX 'restripe' command");
+ $this->assertWaitPageContains('<tr id="table-first" class="odd"><td>first row</td></tr>');
+ $this->assertWaitPageContains('<tr class="even"><td>second row</td></tr>');
+
+ // Tests the 'settings' command.
+ $test_settings_command = <<<JS
+Drupal.behaviors.testSettingsCommand = {
+ attach: function (context, settings) {
+ window.jQuery('body').append('<div class="test-settings-command">' + settings.ajax_forms_test.foo + '</div>');
+ }
+};
+JS;
+ $session->executeScript($test_settings_command);
+ // @todo: Replace after https://www.drupal.org/project/drupal/issues/2616184
+ $session->executeScript('window.jQuery("#edit-settings-command-example").mousedown();');
+ $this->assertWaitPageContains('<div class="test-settings-command">42</div>');
+ }
+
+ /**
+ * Asserts that page contains a text after waiting.
+ *
+ * @param string $text
+ * A needle text.
+ */
+ protected function assertWaitPageContains($text) {
+ $page = $this->getSession()->getPage();
+ $page->waitFor(10, function () use ($page, $text) {
+ return stripos($page->getContent(), $text) !== FALSE;
+ });
+ $this->assertContains($text, $page->getContent());
+ }
+
+}