--- /dev/null
+<?php
+
+namespace Drupal\system\Tests\Ajax;
+
+use Drupal\ajax_test\Controller\AjaxTestController;
+use Drupal\Core\EventSubscriber\MainContentViewSubscriber;
+use Drupal\Core\Form\FormBuilderInterface;
+use Drupal\Core\Url;
+
+/**
+ * Performs tests on opening and manipulating dialogs via AJAX commands.
+ *
+ * @group Ajax
+ */
+class DialogTest extends AjaxTestBase {
+
+ /**
+ * Modules to enable.
+ *
+ * @var array
+ */
+ public static $modules = ['ajax_test', 'ajax_forms_test', 'contact'];
+
+ /**
+ * Test sending non-JS and AJAX requests to open and manipulate modals.
+ */
+ public function testDialog() {
+ $this->drupalLogin($this->drupalCreateUser(['administer contact forms']));
+ // Ensure the elements render without notices or exceptions.
+ $this->drupalGet('ajax-test/dialog');
+
+ // Set up variables for this test.
+ $dialog_renderable = AjaxTestController::dialogContents();
+ $dialog_contents = \Drupal::service('renderer')->renderRoot($dialog_renderable);
+ $modal_expected_response = [
+ 'command' => 'openDialog',
+ 'selector' => '#drupal-modal',
+ 'settings' => NULL,
+ 'data' => $dialog_contents,
+ 'dialogOptions' => [
+ 'modal' => TRUE,
+ 'title' => 'AJAX Dialog & contents',
+ ],
+ ];
+ $form_expected_response = [
+ 'command' => 'openDialog',
+ 'selector' => '#drupal-modal',
+ 'settings' => NULL,
+ 'dialogOptions' => [
+ 'modal' => TRUE,
+ 'title' => 'Ajax Form contents',
+ ],
+ ];
+ $entity_form_expected_response = [
+ 'command' => 'openDialog',
+ 'selector' => '#drupal-modal',
+ 'settings' => NULL,
+ 'dialogOptions' => [
+ 'modal' => TRUE,
+ 'title' => 'Add contact form',
+ ],
+ ];
+ $normal_expected_response = [
+ 'command' => 'openDialog',
+ 'selector' => '#ajax-test-dialog-wrapper-1',
+ 'settings' => NULL,
+ 'data' => $dialog_contents,
+ 'dialogOptions' => [
+ 'modal' => FALSE,
+ 'title' => 'AJAX Dialog & contents',
+ ],
+ ];
+ $no_target_expected_response = [
+ 'command' => 'openDialog',
+ 'selector' => '#drupal-dialog-ajax-testdialog-contents',
+ 'settings' => NULL,
+ 'data' => $dialog_contents,
+ 'dialogOptions' => [
+ 'modal' => FALSE,
+ 'title' => 'AJAX Dialog & contents',
+ ],
+ ];
+ $close_expected_response = [
+ 'command' => 'closeDialog',
+ 'selector' => '#ajax-test-dialog-wrapper-1',
+ 'persist' => FALSE,
+ ];
+
+ // Check that requesting a modal dialog without JS goes to a page.
+ $this->drupalGet('ajax-test/dialog-contents');
+ $this->assertRaw($dialog_contents, 'Non-JS modal dialog page present.');
+
+ // Check that requesting a modal dialog with XMLHttpRequest goes to a page.
+ $this->drupalGetXHR('ajax-test/dialog-contents');
+ $this->assertRaw($dialog_contents, 'Modal dialog page on XMLHttpRequest present.');
+
+ // Emulate going to the JS version of the page and check the JSON response.
+ $ajax_result = $this->drupalGetAjax('ajax-test/dialog-contents', ['query' => [MainContentViewSubscriber::WRAPPER_FORMAT => 'drupal_modal']]);
+ $this->assertEqual($modal_expected_response, $ajax_result[3], 'Modal dialog JSON response matches.');
+ // Test the HTML escaping of & character.
+ $this->assertEqual($ajax_result[3]['dialogOptions']['title'], 'AJAX Dialog & contents');
+ $this->assertNotEqual($ajax_result[3]['dialogOptions']['title'], 'AJAX Dialog & contents');
+
+ // Check that requesting a "normal" dialog without JS goes to a page.
+ $this->drupalGet('ajax-test/dialog-contents');
+ $this->assertRaw($dialog_contents, 'Non-JS normal dialog page present.');
+
+ // Emulate going to the JS version of the page and check the JSON response.
+ // This needs to use WebTestBase::drupalPostAjaxForm() so that the correct
+ // dialog options are sent.
+ $ajax_result = $this->drupalPostAjaxForm('ajax-test/dialog', [
+ // We have to mock a form element to make drupalPost submit from a link.
+ 'textfield' => 'test',
+ ], [], 'ajax-test/dialog-contents', ['query' => [MainContentViewSubscriber::WRAPPER_FORMAT => 'drupal_dialog']], [], NULL, [
+ 'submit' => [
+ 'dialogOptions[target]' => 'ajax-test-dialog-wrapper-1',
+ ]
+ ]);
+ $this->assertEqual($normal_expected_response, $ajax_result[3], 'Normal dialog JSON response matches.');
+
+ // Emulate going to the JS version of the page and check the JSON response.
+ // This needs to use WebTestBase::drupalPostAjaxForm() so that the correct
+ // dialog options are sent.
+ $ajax_result = $this->drupalPostAjaxForm('ajax-test/dialog', [
+ // We have to mock a form element to make drupalPost submit from a link.
+ 'textfield' => 'test',
+ ], [], 'ajax-test/dialog-contents', ['query' => [MainContentViewSubscriber::WRAPPER_FORMAT => 'drupal_dialog']], [], NULL, [
+ // Don't send a target.
+ 'submit' => []
+ ]);
+ // Make sure the selector ID starts with the right string.
+ $this->assert(strpos($ajax_result[3]['selector'], $no_target_expected_response['selector']) === 0, 'Selector starts with right string.');
+ unset($ajax_result[3]['selector']);
+ unset($no_target_expected_response['selector']);
+ $this->assertEqual($no_target_expected_response, $ajax_result[3], 'Normal dialog with no target JSON response matches.');
+
+ // Emulate closing the dialog via an AJAX request. There is no non-JS
+ // version of this test.
+ $ajax_result = $this->drupalGetAjax('ajax-test/dialog-close');
+ $this->assertEqual($close_expected_response, $ajax_result[0], 'Close dialog JSON response matches.');
+
+ // Test submitting via a POST request through the button for modals. This
+ // approach more accurately reflects the real responses by Drupal because
+ // all of the necessary page variables are emulated.
+ $ajax_result = $this->drupalPostAjaxForm('ajax-test/dialog', [], 'button1');
+
+ // Check that CSS and JavaScript are "added" to the page dynamically.
+ $this->assertTrue(in_array('core/drupal.dialog.ajax', explode(',', $ajax_result[0]['settings']['ajaxPageState']['libraries'])), 'core/drupal.dialog.ajax library is added to the page.');
+ $dialog_css_exists = strpos($ajax_result[1]['data'], 'dialog.css') !== FALSE;
+ $this->assertTrue($dialog_css_exists, 'jQuery UI dialog CSS added to the page.');
+ $dialog_js_exists = strpos($ajax_result[2]['data'], 'dialog-min.js') !== FALSE;
+ $this->assertTrue($dialog_js_exists, 'jQuery UI dialog JS added to the page.');
+ $dialog_js_exists = strpos($ajax_result[2]['data'], 'dialog.ajax.js') !== FALSE;
+ $this->assertTrue($dialog_js_exists, 'Drupal dialog JS added to the page.');
+
+ // Check that the response matches the expected value.
+ $this->assertEqual($modal_expected_response, $ajax_result[4], 'POST request modal dialog JSON response matches.');
+ // Test the HTML escaping of & character.
+ $this->assertNotEqual($ajax_result[4]['dialogOptions']['title'], 'AJAX Dialog & contents');
+
+ // Abbreviated test for "normal" dialogs, testing only the difference.
+ $ajax_result = $this->drupalPostAjaxForm('ajax-test/dialog', [], 'button2');
+ $this->assertEqual($normal_expected_response, $ajax_result[4], 'POST request normal dialog JSON response matches.');
+
+ // Check that requesting a form dialog without JS goes to a page.
+ $this->drupalGet('ajax-test/dialog-form');
+ // Check we get a chunk of the code, we can't test the whole form as form
+ // build id and token with be different.
+ $form = $this->xpath("//form[@id='ajax-test-form']");
+ $this->assertTrue(!empty($form), 'Non-JS form page present.');
+
+ // Emulate going to the JS version of the form and check the JSON response.
+ $ajax_result = $this->drupalGetAjax('ajax-test/dialog-form', ['query' => [MainContentViewSubscriber::WRAPPER_FORMAT => 'drupal_modal']]);
+ $expected_ajax_settings = [
+ 'edit-preview' => [
+ 'callback' => '::preview',
+ 'event' => 'click',
+ 'url' => Url::fromRoute('ajax_test.dialog_form', [], ['query' => [
+ MainContentViewSubscriber::WRAPPER_FORMAT => 'drupal_modal',
+ FormBuilderInterface::AJAX_FORM_REQUEST => TRUE,
+ ]])->toString(),
+ 'dialogType' => 'ajax',
+ 'submit' => [
+ '_triggering_element_name' => 'op',
+ '_triggering_element_value' => 'Preview',
+ ],
+ ],
+ ];
+ $this->assertEqual($expected_ajax_settings, $ajax_result[0]['settings']['ajax']);
+ $this->setRawContent($ajax_result[3]['data']);
+ // Remove the data, the form build id and token will never match.
+ unset($ajax_result[3]['data']);
+ $form = $this->xpath("//form[@id='ajax-test-form']");
+ $this->assertTrue(!empty($form), 'Modal dialog JSON contains form.');
+ $this->assertEqual($form_expected_response, $ajax_result[3]);
+
+ // Check that requesting an entity form dialog without JS goes to a page.
+ $this->drupalGet('admin/structure/contact/add');
+ // Check we get a chunk of the code, we can't test the whole form as form
+ // build id and token with be different.
+ $form = $this->xpath("//form[@id='contact-form-add-form']");
+ $this->assertTrue(!empty($form), 'Non-JS entity form page present.');
+
+ // Emulate going to the JS version of the form and check the JSON response.
+ $ajax_result = $this->drupalGetAjax('admin/structure/contact/add', ['query' => [MainContentViewSubscriber::WRAPPER_FORMAT => 'drupal_modal']]);
+ $this->setRawContent($ajax_result[3]['data']);
+ // Remove the data, the form build id and token will never match.
+ unset($ajax_result[3]['data']);
+ $form = $this->xpath("//form[@id='contact-form-add-form']");
+ $this->assertTrue(!empty($form), 'Modal dialog JSON contains entity form.');
+ $this->assertEqual($entity_form_expected_response, $ajax_result[3]);
+ }
+
+}