class LinkNotExistingInternalConstraintValidatorTest

class LinkNotExistingInternalConstraintValidatorTest extends UnitTestCase {
  
  /**
   * Tests validate from uri.
   *
   * @legacy-covers ::validate
   */
  public function testValidateFromUri() : void {
    $url = Url::fromUri('https://www.drupal.org');
    $link = $this->createMock(LinkItemInterface::class);
    $link->expects($this->any())
      ->method('getUrl')
      ->willReturn($url);
    $context = $this->createMock(ExecutionContextInterface::class);
    $context->expects($this->never())
      ->method('addViolation');
    $this->validate($link, $context);
  }
  
  /**
   * Tests validate from route.
   *
   * @legacy-covers ::validate
   */
  public function testValidateFromRoute() : void {
    $url = Url::fromRoute('example.existing_route');
    $urlGenerator = $this->createMock(UrlGeneratorInterface::class);
    $urlGenerator->expects($this->any())
      ->method('generateFromRoute')
      ->with('example.existing_route', [], [])
      ->willReturn('/example/existing');
    $url->setUrlGenerator($urlGenerator);
    $link = $this->createMock(LinkItemInterface::class);
    $link->expects($this->any())
      ->method('getUrl')
      ->willReturn($url);
    $context = $this->createMock(ExecutionContextInterface::class);
    $context->expects($this->never())
      ->method('addViolation');
    $this->validate($link, $context);
  }
  
  /**
   * Tests validate from non existing route.
   *
   * @legacy-covers ::validate
   */
  public function testValidateFromNonExistingRoute() : void {
    $url = Url::fromRoute('example.not_existing_route');
    $urlGenerator = $this->createMock(UrlGeneratorInterface::class);
    $urlGenerator->expects($this->any())
      ->method('generateFromRoute')
      ->with('example.not_existing_route', [], [])
      ->willReturn(new RouteNotFoundException());
    $url->setUrlGenerator($urlGenerator);
    $link = $this->createMock(LinkItemInterface::class);
    $link->expects($this->any())
      ->method('getUrl')
      ->willReturn($url);
    $context = $this->createMock(ExecutionContextInterface::class);
    $context->expects($this->never())
      ->method('addViolation');
    $this->validate($link, $context);
  }
  
  /**
   * Tests validate with malformed uri.
   *
   * @see \Drupal\Core\Url::fromUri
   * @legacy-covers ::validate
   */
  public function testValidateWithMalformedUri() : void {
    $link = $this->createMock(LinkItemInterface::class);
    $link->expects($this->any())
      ->method('getUrl')
      ->willThrowException(new \InvalidArgumentException());
    $context = $this->createMock(ExecutionContextInterface::class);
    $context->expects($this->never())
      ->method('addViolation');
    $this->validate($link, $context);
  }
  
  /**
   * Validate the link.
   */
  protected function validate(LinkItemInterface&MockObject $link, ExecutionContextInterface&MockObject $context) : void {
    $validator = new LinkNotExistingInternalConstraintValidator();
    $validator->initialize($context);
    $validator->validate($link, new LinkNotExistingInternalConstraint());
  }

}