class CustomAccessCheckTest

class CustomAccessCheckTest extends UnitTestCase {
    
    /**
     * The access checker to test.
     *
     * @var \Drupal\Core\Access\CustomAccessCheck
     */
    protected $accessChecker;
    
    /**
     * The mocked controller resolver.
     *
     * @var \Drupal\Core\Controller\ControllerResolverInterface|\PHPUnit\Framework\MockObject\MockObject
     */
    protected $controllerResolver;
    
    /**
     * The mocked arguments resolver.
     *
     * @var \Drupal\Core\Access\AccessArgumentsResolverFactoryInterface|\PHPUnit\Framework\MockObject\MockObject
     */
    protected $argumentsResolverFactory;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->controllerResolver = $this->createMock('Drupal\\Core\\Controller\\ControllerResolverInterface');
        $this->argumentsResolverFactory = $this->createMock('Drupal\\Core\\Access\\AccessArgumentsResolverFactoryInterface');
        $this->accessChecker = new CustomAccessCheck($this->controllerResolver, $this->argumentsResolverFactory);
    }
    
    /**
     * Tests the access method.
     */
    public function testAccess() {
        $route_match = $this->createMock('Drupal\\Core\\Routing\\RouteMatchInterface');
        $this->controllerResolver
            ->expects($this->exactly(3))
            ->method('getControllerFromDefinition')
            ->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',
                ],
            ],
        ]);
        $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',
        ]);
        $this->argumentsResolverFactory
            ->expects($this->exactly(3))
            ->method('getArgumentsResolver')
            ->willReturnOnConsecutiveCalls($resolver0, $resolver1, $resolver2);
        $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));
        $route = new Route('/test-route', [], [
            '_custom_access' => '\\Drupal\\Tests\\Core\\Access\\TestController::accessAllow',
        ]);
        $this->assertEquals(AccessResult::allowed(), $this->accessChecker
            ->access($route, $route_match, $account));
        $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));
    }
    
    /**
     * Tests the access method exception for invalid access callbacks.
     */
    public function testAccessException() {
        // Create two mocks for the ControllerResolver constructor.
        $httpMessageFactory = $this->getMockBuilder(HttpMessageFactoryInterface::class)
            ->getMock();
        $controllerResolver = $this->getMockBuilder(ClassResolverInterface::class)
            ->getMock();
        // Re-create the controllerResolver mock with proxy to original methods.
        $this->controllerResolver = $this->getMockBuilder(ControllerResolver::class)
            ->setConstructorArgs([
            $httpMessageFactory,
            $controllerResolver,
        ])
            ->enableProxyingToOriginalMethods()
            ->getMock();
        // Overwrite the access checker using the newly mocked controller resolve.
        $this->accessChecker = new CustomAccessCheck($this->controllerResolver, $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);
        $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);
    }

}