CustomAccessCheckTest.php

<?php

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

use Drupal\Core\Access\AccessResult;
use Drupal\Core\Access\CustomAccessCheck;
use Drupal\Core\Routing\RouteMatchInterface;
use Drupal\Core\Session\AccountInterface;
use Drupal\Core\Utility\CallableResolver;
use Drupal\Tests\UnitTestCase;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\Routing\Route;

/**
 * @coversDefaultClass \Drupal\Core\Access\CustomAccessCheck
 * @group Access
 */
class CustomAccessCheckTest extends UnitTestCase {
  
  /**
   * The access checker to test.
   *
   * @var \Drupal\Core\Access\CustomAccessCheck
   */
  protected $accessChecker;
  
  /**
   * The mocked callable resolver.
   *
   * @var \Drupal\Core\Utility\CallableResolver|\PHPUnit\Framework\MockObject\MockObject
   */
  protected $callableResolver;
  
  /**
   * The mocked arguments resolver.
   *
   * @var \Drupal\Core\Access\AccessArgumentsResolverFactoryInterface|\PHPUnit\Framework\MockObject\MockObject
   */
  protected $argumentsResolverFactory;
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->callableResolver = $this->createMock(CallableResolver::class);
    $this->argumentsResolverFactory = $this->createMock('Drupal\\Core\\Access\\AccessArgumentsResolverFactoryInterface');
    $this->accessChecker = new CustomAccessCheck($this->callableResolver, $this->argumentsResolverFactory);
  }
  
  /**
   * Tests the access method.
   */
  public function testAccess() : void {
    $route_match = $this->createMock('Drupal\\Core\\Routing\\RouteMatchInterface');
    $this->callableResolver
      ->expects($this->exactly(4))
      ->method('getCallableFromDefinition')
      ->willReturnMap([
      [
        '\\Drupal\\Tests\\Core\\Access\\TestController::accessDeny',
        [
          new TestController(),
          'accessDeny',
        ],
      ],
      [
        '\\Drupal\\Tests\\Core\\Access\\TestController::accessAllow',
        [
          new TestController(),
          'accessAllow',
        ],
      ],
      [
        '\\Drupal\\Tests\\Core\\Access\\TestController::accessParameter',
        [
          new TestController(),
          'accessParameter',
        ],
      ],
      [
        '\\Drupal\\Tests\\Core\\Access\\TestController::accessRequest',
        [
          new TestController(),
          'accessRequest',
        ],
      ],
    ]);
    $resolver0 = $this->createMock('Drupal\\Component\\Utility\\ArgumentsResolverInterface');
    $resolver0->expects($this->once())
      ->method('getArguments')
      ->willReturn([]);
    $resolver1 = $this->createMock('Drupal\\Component\\Utility\\ArgumentsResolverInterface');
    $resolver1->expects($this->once())
      ->method('getArguments')
      ->willReturn([]);
    $resolver2 = $this->createMock('Drupal\\Component\\Utility\\ArgumentsResolverInterface');
    $resolver2->expects($this->once())
      ->method('getArguments')
      ->willReturn([
      'parameter' => 'TRUE',
    ]);
    $request = Request::create('/foo?example=muh');
    $resolver3 = $this->createMock('Drupal\\Component\\Utility\\ArgumentsResolverInterface');
    $resolver3->expects($this->once())
      ->method('getArguments')
      ->willReturn([
      'request' => $request,
    ]);
    $this->argumentsResolverFactory
      ->expects($this->exactly(4))
      ->method('getArgumentsResolver')
      ->willReturnOnConsecutiveCalls($resolver0, $resolver1, $resolver2, $resolver3);
    $route = new Route('/test-route', [], [
      '_custom_access' => '\\Drupal\\Tests\\Core\\Access\\TestController::accessDeny',
    ]);
    $account = $this->createMock('Drupal\\Core\\Session\\AccountInterface');
    $this->assertEquals(AccessResult::neutral(), $this->accessChecker
      ->access($route, $route_match, $account, $request));
    $route = new Route('/test-route', [], [
      '_custom_access' => '\\Drupal\\Tests\\Core\\Access\\TestController::accessAllow',
    ]);
    $this->assertEquals(AccessResult::allowed(), $this->accessChecker
      ->access($route, $route_match, $account, $request));
    $route = new Route('/test-route', [
      'parameter' => 'TRUE',
    ], [
      '_custom_access' => '\\Drupal\\Tests\\Core\\Access\\TestController::accessParameter',
    ]);
    $this->assertEquals(AccessResult::allowed(), $this->accessChecker
      ->access($route, $route_match, $account, $request));
    $route = new Route('/test-route', [
      'parameter' => 'TRUE',
    ], [
      '_custom_access' => '\\Drupal\\Tests\\Core\\Access\\TestController::accessRequest',
    ]);
    $this->assertEquals(AccessResult::allowed(), $this->accessChecker
      ->access($route, $route_match, $account, $request));
  }
  
  /**
   * Tests the access method exception for invalid access callbacks.
   */
  public function testAccessException() : void {
    // Create callableResolver mock to return InvalidArgumentException.
    $this->callableResolver = $this->getMockBuilder(CallableResolver::class)
      ->disableOriginalConstructor()
      ->getMock();
    $this->callableResolver
      ->expects($this->any())
      ->method('getCallableFromDefinition')
      ->willThrowException(new \InvalidArgumentException());
    // Overwrite the access checker using the newly mocked callable resolve.
    $this->accessChecker = new CustomAccessCheck($this->callableResolver, $this->argumentsResolverFactory);
    // Add a route with a _custom_access route that doesn't exist.
    $route = new Route('/test-route', [], [
      '_custom_access' => '\\Drupal\\Tests\\Core\\Access\\NonExistentController::nonExistentMethod',
    ]);
    $route_match = $this->createMock(RouteMatchInterface::class);
    $account = $this->createMock(AccountInterface::class);
    $request = Request::create('/foo?example=muh');
    $this->expectException(\BadMethodCallException::class);
    $this->expectExceptionMessage('The "\\Drupal\\Tests\\Core\\Access\\NonExistentController::nonExistentMethod" method is not callable as a _custom_access callback in route "/test-route"');
    // Run the access check.
    $this->accessChecker
      ->access($route, $route_match, $account, $request);
  }

}
class TestController {
  public function accessAllow() {
    return AccessResult::allowed();
  }
  public function accessDeny() {
    return AccessResult::neutral();
  }
  public function accessParameter($parameter) {
    return AccessResult::allowedIf($parameter == 'TRUE');
  }
  public function accessRequest(Request $request) {
    return AccessResult::allowedIf($request->query
      ->get('example') === 'muh');
  }

}