CsrfAccessCheck example

  protected function setUp(): void {
    parent::setUp();

    $this->csrfToken = $this->getMockBuilder('Drupal\Core\Access\CsrfTokenGenerator')
      ->disableOriginalConstructor()
      ->getMock();

    $this->routeMatch = $this->createMock('Drupal\Core\Routing\RouteMatchInterface');

    $this->accessCheck = new CsrfAccessCheck($this->csrfToken);
  }

  /** * Tests the access() method with a valid token. */
  public function testAccessTokenPass() {
    $this->csrfToken->expects($this->once())
      ->method('validate')
      ->with('test_query', 'test-path/42')
      ->willReturn(TRUE);