LinkNotExistingInternalConstraintValidatorTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\link\Unit\Plugin\Validation\Constraint;

use Drupal\Core\Routing\UrlGeneratorInterface;
use Drupal\Core\Url;
use Drupal\link\LinkItemInterface;
use Drupal\link\Plugin\Validation\Constraint\LinkNotExistingInternalConstraint;
use Drupal\link\Plugin\Validation\Constraint\LinkNotExistingInternalConstraintValidator;
use Drupal\Tests\UnitTestCase;
use PHPUnit\Framework\MockObject\MockObject;
use Symfony\Component\Routing\Exception\RouteNotFoundException;
use Symfony\Component\Validator\Context\ExecutionContextInterface;

/**
 * @coversDefaultClass \Drupal\link\Plugin\Validation\Constraint\LinkNotExistingInternalConstraintValidator
 * @group Link
 */
class LinkNotExistingInternalConstraintValidatorTest extends UnitTestCase {
    
    /**
     * @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);
    }
    
    /**
     * @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);
    }
    
    /**
     * @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);
    }
    
    /**
     * @covers ::validate
     *
     * @see \Drupal\Core\Url::fromUri
     */
    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());
    }

}