BlockHookOperationTest.php

<?php

namespace Drupal\Tests\block\Functional;

use Drupal\Tests\BrowserTestBase;

/**
 * Tests for Block module regarding hook_entity_operations_alter().
 *
 * @group block
 */
class BlockHookOperationTest extends BrowserTestBase {
    
    /**
     * Modules to install.
     *
     * @var array
     */
    public static $modules = [
        'block',
        'entity_test',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    protected function setUp() {
        parent::setUp();
        $permissions = [
            'administer blocks',
        ];
        // Create and log in user.
        $admin_user = $this->drupalCreateUser($permissions);
        $this->drupalLogin($admin_user);
    }
    
    /**
     * Tests the block list to see if the test_operation link is added.
     */
    public function testBlockOperationAlter() {
        // Add a test block, any block will do.
        // Set the machine name so the test_operation link can be built later.
        $block_id = mb_strtolower($this->randomMachineName(16));
        $this->drupalPlaceBlock('system_powered_by_block', [
            'id' => $block_id,
        ]);
        // Get the Block listing.
        $this->drupalGet('admin/structure/block');
        $test_operation_link = 'admin/structure/block/manage/' . $block_id . '/test_operation';
        // Test if the test_operation link is on the page.
        $this->assertLinkByHref($test_operation_link);
    }

}