BlockAdminThemeTest.php

<?php

namespace Drupal\Tests\block\Functional;

use Drupal\Tests\BrowserTestBase;

/**
 * Tests the block system with admin themes.
 *
 * @group block
 */
class BlockAdminThemeTest extends BrowserTestBase {
    
    /**
     * Modules to install.
     *
     * @var array
     */
    protected static $modules = [
        'block',
        'contextual',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * Check for the accessibility of the admin theme on the block admin page.
     */
    public function testAdminTheme() {
        // Create administrative user.
        $admin_user = $this->drupalCreateUser([
            'administer blocks',
            'administer themes',
        ]);
        $this->drupalLogin($admin_user);
        // Ensure that access to block admin page is denied when theme is not
        // installed.
        $this->drupalGet('admin/structure/block/list/olivero');
        $this->assertSession()
            ->statusCodeEquals(403);
        // Install admin theme and confirm that tab is accessible.
        \Drupal::service('theme_installer')->install([
            'olivero',
        ]);
        $edit['admin_theme'] = 'olivero';
        $this->drupalGet('admin/appearance');
        $this->submitForm($edit, 'Save configuration');
        $this->drupalGet('admin/structure/block/list/olivero');
        $this->assertSession()
            ->statusCodeEquals(200);
    }
    
    /**
     * Ensure contextual links are disabled in Claro theme.
     */
    public function testClaroAdminTheme() {
        // Create administrative user.
        $admin_user = $this->drupalCreateUser([
            'access administration pages',
            'administer themes',
            'access contextual links',
            'view the administration theme',
        ]);
        $this->drupalLogin($admin_user);
        // Install admin theme and confirm that tab is accessible.
        \Drupal::service('theme_installer')->install([
            'claro',
        ]);
        $edit['admin_theme'] = 'claro';
        $this->drupalGet('admin/appearance');
        $this->submitForm($edit, 'Save configuration');
        // Define our block settings.
        $settings = [
            'theme' => 'claro',
            'region' => 'header',
        ];
        // Place a block.
        $block = $this->drupalPlaceBlock('local_tasks_block', $settings);
        // Open admin page.
        $this->drupalGet('admin');
        // Check if contextual link classes are unavailable.
        $this->assertSession()
            ->responseNotContains('<div data-contextual-id="block:block=' . $block->id() . ':langcode=en"></div>');
        $this->assertSession()
            ->responseNotContains('contextual-region');
    }

}