Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\Tests\block\Functional;
Chris@0: 
Chris@0: use Drupal\Tests\BrowserTestBase;
Chris@0: 
Chris@0: /**
Chris@0:  * Tests the block demo page with admin themes.
Chris@0:  *
Chris@0:  * @group block
Chris@0:  */
Chris@0: class BlockDemoTest extends BrowserTestBase {
Chris@0: 
Chris@0:   /**
Chris@0:    * Modules to enable.
Chris@0:    *
Chris@0:    * @var array
Chris@0:    */
Chris@0:   public static $modules = ['block'];
Chris@0: 
Chris@0:   /**
Chris@0:    * Check for the accessibility of the admin block demo page.
Chris@0:    */
Chris@0:   public function testBlockDemo() {
Chris@0:     // Create administrative user.
Chris@0:     $admin_user = $this->drupalCreateUser(['administer blocks', 'administer themes']);
Chris@0:     $this->drupalLogin($admin_user);
Chris@0: 
Chris@0:     // Confirm we have access to the block demo page for the default theme.
Chris@0:     $config = $this->container->get('config.factory')->get('system.theme');
Chris@0:     $default_theme = $config->get('default');
Chris@0:     $this->drupalGet('admin/structure/block/demo/' . $default_theme);
Chris@0:     $this->assertResponse(200);
Chris@0:     $this->assertLinkByHref('admin/structure/block');
Chris@0:     $this->assertNoLinkByHref('admin/structure/block/list/' . $default_theme);
Chris@0: 
Chris@0:     // All available themes in core.
Chris@0:     $available_themes = [
Chris@0:       'bartik',
Chris@0:       'classy',
Chris@0:       'seven',
Chris@0:       'stark',
Chris@0:     ];
Chris@0: 
Chris@0:     // All available themes minute minus the default theme.
Chris@0:     $themes = array_diff($available_themes, [$default_theme]);
Chris@0: 
Chris@0:     foreach ($themes as $theme) {
Chris@0:       // Install theme.
Chris@0:       $this->container->get('theme_handler')->install([$theme]);
Chris@0:       // Confirm access to the block demo page for the theme.
Chris@0:       $this->drupalGet('admin/structure/block/demo/' . $theme);
Chris@0:       $this->assertResponse(200);
Chris@0:       // Confirm existence of link for "Exit block region demonstration".
Chris@0:       $this->assertLinkByHref('admin/structure/block/list/' . $theme);
Chris@0:     }
Chris@0: 
Chris@0:     // Confirm access to the block demo page is denied for an invalid theme.
Chris@0:     $this->drupalGet('admin/structure/block/demo/invalid_theme');
Chris@0:     $this->assertResponse(403);
Chris@0:   }
Chris@0: 
Chris@0: }