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path: root/core/modules/system/src/Tests/Form/ConfirmFormTest.php
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<?php

/**
 * @file
 * Contains \Drupal\system\Tests\Form\ConfirmFormTest.
 */

namespace Drupal\system\Tests\Form;

use Drupal\Component\Utility\String;
use Drupal\Core\Url;
use Drupal\simpletest\WebTestBase;

/**
 * Tests confirmation forms.
 *
 * @group Form
 */
class ConfirmFormTest extends WebTestBase {

  /**
   * Modules to enable.
   *
   * @var array
   */
  public static $modules = array('form_test');

  function testConfirmForm() {
    // Test the building of the form.
    $this->drupalGet('form-test/confirm-form');
    $site_name = $this->config('system.site')->get('name');
    $this->assertTitle(t('ConfirmFormTestForm::getQuestion(). | @site-name', array('@site-name' => $site_name)), 'The question was found as the page title.');
    $this->assertText(t('ConfirmFormTestForm::getDescription().'), 'The description was used.');
    $this->assertFieldByXPath('//input[@id="edit-submit"]', t('ConfirmFormTestForm::getConfirmText().'), 'The confirm text was used.');

    // Test canelling the form.
    $this->clickLink(t('ConfirmFormTestForm::getCancelText().'));
    $this->assertUrl('form-test/autocomplete', array(), "The form's cancel link was followed.");

    // Test submitting the form.
    $this->drupalPostForm('form-test/confirm-form', NULL, t('ConfirmFormTestForm::getConfirmText().'));
    $this->assertText('The ConfirmFormTestForm::submitForm() method was used for this form.');
    $this->assertUrl('', array(), "The form's redirect was followed.");

    // Test submitting the form with a destination.
    $this->drupalPostForm('form-test/confirm-form', NULL, t('ConfirmFormTestForm::getConfirmText().'), array('query' => array('destination' => 'admin/config')));
    $this->assertUrl('admin/config', array(), "The form's redirect was not followed, the destination query string was followed.");

    // Test cancelling the form with a complex destination.
    $this->drupalGet('form-test/confirm-form-array-path');
    $this->clickLink(t('ConfirmFormArrayPathTestForm::getCancelText().'));
    $this->assertUrl('form-test/confirm-form', array('query' => array('destination' => 'admin/config')), "The form's complex cancel link was followed.");
  }

  /**
   * Tests that the confirm form does not use external destinations.
   */
  public function testConfirmFormWithExternalDestination() {
    $this->drupalGet('form-test/confirm-form');
    $this->assertCancelLinkUrl(Url::fromRoute('form_test.route8'));
    $this->drupalGet('form-test/confirm-form', array('query' => array('destination' => 'node')));
    $this->assertCancelLinkUrl(Url::fromUri('internal:/node'));
    $this->drupalGet('form-test/confirm-form', array('query' => array('destination' => 'http://example.com')));
    $this->assertCancelLinkUrl(Url::fromRoute('form_test.route8'));
  }

  /**
   * Asserts that a cancel link is present pointing to the provided URL.
   *
   * @param \Drupal\Core\Url $url
   *   The url to check for.
   * @param string $message
   *   The assert message.
   * @param string $group
   *   The assertion group.
   *
   * @return bool
   *   Result of the assertion.
   */
  public function assertCancelLinkUrl(Url $url, $message = '', $group = 'Other') {
    $links = $this->xpath('//a[@href=:url]', [':url' => $url->toString()]);
    $message = ($message ? $message : String::format('Cancel link with url %url found.', ['%url' => $url->toString()]));
    return $this->assertTrue(isset($links[0]), $message, $group);
  }

}