DevelEventInfoTest.php in Devel 4.x

Namespace

Drupal\Tests\devel\Functional

File

tests/src/Functional/DevelEventInfoTest.php

<?php

namespace Drupal\Tests\devel\Functional;


/**
 * Tests event info pages and links.
 *
 * @group devel
 */
class DevelEventInfoTest extends DevelBrowserTestBase {

  /**
   * {@inheritdoc}
   */
  protected function setUp() {
    parent::setUp();
    $this
      ->drupalPlaceBlock('page_title_block');
    $this
      ->drupalLogin($this->develUser);
  }

  /**
   * Tests event info menu link.
   */
  public function testEventsInfoMenuLink() {
    $this
      ->drupalPlaceBlock('system_menu_block:devel');

    // Ensures that the events info link is present on the devel menu and that
    // it points to the correct page.
    $this
      ->drupalGet('');
    $this
      ->clickLink('Events Info');
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $this
      ->assertSession()
      ->addressEquals('/devel/events');
    $this
      ->assertSession()
      ->pageTextContains('Events');
  }

  /**
   * Tests event info page.
   */
  public function testEventList() {

    /** @var \Symfony\Component\EventDispatcher\EventDispatcherInterface $event_dispatcher */
    $event_dispatcher = \Drupal::service('event_dispatcher');
    $this
      ->drupalGet('/devel/events');
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $this
      ->assertSession()
      ->pageTextContains('Events');
    $page = $this
      ->getSession()
      ->getPage();

    // Ensures that the event table is found.
    $table = $page
      ->find('css', 'table.devel-event-list');
    $this
      ->assertNotNull($table);

    // Ensures that the expected table headers are found.

    /* @var $headers \Behat\Mink\Element\NodeElement[] */
    $headers = $table
      ->findAll('css', 'thead th');
    $this
      ->assertEquals(3, count($headers));
    $expected_headers = [
      'Event Name',
      'Callable',
      'Priority',
    ];
    $actual_headers = array_map(function ($element) {
      return $element
        ->getText();
    }, $headers);
    $this
      ->assertSame($expected_headers, $actual_headers);

    // Ensures that all the events are listed in the table.
    $events = $event_dispatcher
      ->getListeners();
    $event_header_row = $table
      ->findAll('css', 'tbody tr th.devel-event-name-header');
    $this
      ->assertEquals(count($events), count($event_header_row));

    // Tests the presence of some (arbitrarily chosen) events and related
    // listeners in the table. The event items are tested dynamically so no
    // test failures are expected if listeners change.
    $expected_events = [
      'config.delete',
      'kernel.request',
      'routing.route_alter',
    ];
    foreach ($expected_events as $event_name) {
      $listeners = $event_dispatcher
        ->getListeners($event_name);

      // Ensures that the event header is present in the table.
      $event_header_row = $table
        ->findAll('css', sprintf('tbody tr th:contains("%s")', $event_name));
      $this
        ->assertNotNull($event_header_row);
      $this
        ->assertEquals(1, count($event_header_row));

      // Ensures that all the event listener are listed in the table.

      /* @var $event_rows \Behat\Mink\Element\NodeElement[] */
      $event_rows = $table
        ->findAll('css', sprintf('tbody tr:contains("%s")', $event_name));

      // Remove the header row.
      array_shift($event_rows);
      $this
        ->assertEquals(count($listeners), count($event_rows));
      foreach ($listeners as $index => $listener) {

        /* @var $cells \Behat\Mink\Element\NodeElement[] */
        $cells = $event_rows[$index]
          ->findAll('css', 'td');
        $this
          ->assertEquals(3, count($cells));
        $cell_event_name = $cells[0];
        $this
          ->assertEquals($event_name, $cell_event_name
          ->getText());
        $this
          ->assertTrue($cell_event_name
          ->hasClass('table-filter-text-source'));
        $this
          ->assertTrue($cell_event_name
          ->hasClass('visually-hidden'));
        $cell_callable = $cells[1];
        is_callable($listener, TRUE, $callable_name);
        $this
          ->assertEquals($callable_name, $cell_callable
          ->getText());
        $cell_methods = $cells[2];
        $priority = $event_dispatcher
          ->getListenerPriority($event_name, $listener);
        $this
          ->assertEquals($priority, $cell_methods
          ->getText());
      }
    }

    // Ensures that the page is accessible only to the users with the adequate
    // permissions.
    $this
      ->drupalLogout();
    $this
      ->drupalGet('devel/events');
    $this
      ->assertSession()
      ->statusCodeEquals(403);
  }

}

Classes

Name	Description
DevelEventInfoTest	Tests event info pages and links.