DevelLayoutInfoTest.php

<?php

namespace Drupal\Tests\devel\Functional;


/**
 * Tests layout info pages and links.
 *
 * @group devel
 */
class DevelLayoutInfoTest extends DevelBrowserTestBase {
  
  /**
   * {@inheritdoc}
   */
  public static $modules = [
    'devel',
    'block',
    'layout_discovery',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() {
    parent::setUp();
    $this->drupalPlaceBlock('page_title_block');
    $this->drupalLogin($this->develUser);
  }
  
  /**
   * Tests layout info menu link.
   */
  public function testLayoutsInfoMenuLink() {
    $this->drupalPlaceBlock('system_menu_block:devel');
    // Ensures that the layout info link is present on the devel menu and that
    // it points to the correct page.
    $this->drupalGet('');
    $this->clickLink('Layouts Info');
    $this->assertSession()
      ->statusCodeEquals(200);
    $this->assertSession()
      ->addressEquals('/devel/layouts');
    $this->assertSession()
      ->pageTextContains('Layout');
  }
  
  /**
   * Tests layout info page.
   */
  public function testLayoutList() {
    $this->drupalGet('/devel/layouts');
    $this->assertSession()
      ->statusCodeEquals(200);
    $this->assertSession()
      ->pageTextContains('Layouts');
    $page = $this->getSession()
      ->getPage();
    // Ensures that the layout table is found.
    $table = $page->find('css', 'table.devel-layout-list');
    $this->assertNotNull($table);
    // Ensures that the expected table headers are found.
    /** @var \Behat\Mink\Element\NodeElement[] $headers */
    $headers = $table->findAll('css', 'thead th');
    $this->assertEquals(6, count($headers));
    $expected_headers = [
      'Icon',
      'Label',
      'Description',
      'Category',
      'Regions',
      'Provider',
    ];
    $actual_headers = array_map(function ($element) {
      return $element->getText();
    }, $headers);
    $this->assertSame($expected_headers, $actual_headers);
    // Ensures that all the layouts are listed in the table.
    $layout_manager = \Drupal::service('plugin.manager.core.layout');
    $layouts = $layout_manager->getDefinitions();
    $table_rows = $table->findAll('css', 'tbody tr');
    $this->assertEquals(count($layouts), count($table_rows));
    $index = 0;
    foreach ($layouts as $layout) {
      $cells = $table_rows[$index]->findAll('css', 'td');
      $this->assertEquals(6, count($cells));
      $cell_layout_icon = $cells[0];
      if (empty($layout->getIconPath())) {
        // @todo test that the icon path image is set correctly
      }
      else {
        $this->assertNull($cell_layout_icon->getText());
      }
      $cell_layout_label = $cells[1];
      $this->assertEquals($cell_layout_label->getText(), $layout->getLabel());
      $cell_layout_description = $cells[2];
      $this->assertEquals($cell_layout_description->getText(), $layout->getDescription());
      $cell_layout_category = $cells[3];
      $this->assertEquals($cell_layout_category->getText(), $layout->getCategory());
      $cell_layout_regions = $cells[4];
      $this->assertEquals($cell_layout_regions->getText(), implode(', ', $layout->getRegionLabels()));
      $cell_layout_provider = $cells[5];
      $this->assertEquals($cell_layout_provider->getText(), $layout->getProvider());
      $index++;
    }
    // Ensures that the page is accessible only to the users with the adequate
    // permissions.
    $this->drupalLogout();
    $this->drupalGet('devel/layouts');
    $this->assertSession()
      ->statusCodeEquals(403);
  }
  
  /**
   * Tests the dependency with layout_discovery module.
   */
  public function testLayoutDiscoveryDependency() {
    $this->container
      ->get('module_installer')
      ->uninstall([
      'layout_discovery',
    ]);
    $this->drupalPlaceBlock('system_menu_block:devel');
    // Ensures that the layout info link is not present on the devel menu.
    $this->drupalGet('');
    $this->assertSession()
      ->linkNotExists('Layouts Info');
    // Ensures that the layouts info page is not available.
    $this->drupalGet('/devel/layouts');
    $this->assertSession()
      ->statusCodeEquals(404);
    // Check a few other devel pages to verify devel module stil works.
    $this->drupalGet('/devel/events');
    $this->assertSession()
      ->statusCodeEquals(200);
    $this->drupalGet('devel/routes');
    $this->assertSession()
      ->statusCodeEquals(200);
    $this->drupalGet('/devel/container/service');
    $this->assertSession()
      ->statusCodeEquals(200);
  }

}