UserRolesCacheContextTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\Core\Cache\Context;

use Drupal\Core\Cache\Context\UserRolesCacheContext;
use Drupal\Core\Session\AccountInterface;
use Drupal\Tests\UnitTestCase;

/**
 * @coversDefaultClass \Drupal\Core\Cache\Context\UserRolesCacheContext
 * @group Cache
 */
class UserRolesCacheContextTest extends UnitTestCase {
    
    /**
     * @covers ::getContext
     */
    public function testCalculatedRole() : void {
        $current_user = $this->prophesize(AccountInterface::class);
        // Ensure the ID is not 1. This cache context gives user 1 a special superuser value.
        $current_user->id()
            ->willReturn(2);
        $current_user->getRoles()
            ->willReturn([
            'role1',
            'role2',
        ]);
        $cache_context = new UserRolesCacheContext($current_user->reveal());
        $this->assertSame('true', $cache_context->getContext('role1'));
        $this->assertSame('false', $cache_context->getContext('role-not-held'));
    }

}