class PathValidatorTest

class PathValidatorTest extends UnitTestCase {
    
    /**
     * The mocked access aware router.
     *
     * @var \Drupal\Core\Routing\AccessAwareRouterInterface|\PHPUnit\Framework\MockObject\MockObject
     */
    protected $accessAwareRouter;
    
    /**
     * The mocked access unaware router.
     * @var \Symfony\Component\Routing\Matcher\UrlMatcherInterface|\PHPUnit\Framework\MockObject\MockObject
     */
    protected $accessUnawareRouter;
    
    /**
     * The mocked account.
     *
     * @var \Drupal\Core\Session\AccountInterface|\PHPUnit\Framework\MockObject\MockObject
     */
    protected $account;
    
    /**
     * The path processor.
     *
     * @var \Drupal\Core\PathProcessor\InboundPathProcessorInterface|\PHPUnit\Framework\MockObject\MockObject
     */
    protected $pathProcessor;
    
    /**
     * The tested path validator.
     *
     * @var \Drupal\Core\Path\PathValidator
     */
    protected $pathValidator;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->accessAwareRouter = $this->createMock('Drupal\\Core\\Routing\\AccessAwareRouterInterface');
        $this->accessUnawareRouter = $this->createMock('Symfony\\Component\\Routing\\Matcher\\UrlMatcherInterface');
        $this->account = $this->createMock('Drupal\\Core\\Session\\AccountInterface');
        $this->pathProcessor = $this->createMock('Drupal\\Core\\PathProcessor\\InboundPathProcessorInterface');
        $this->pathValidator = new PathValidator($this->accessAwareRouter, $this->accessUnawareRouter, $this->account, $this->pathProcessor);
    }
    
    /**
     * Tests the isValid() method for the frontpage.
     *
     * @covers ::isValid
     */
    public function testIsValidWithFrontpage() {
        $this->accessAwareRouter
            ->expects($this->never())
            ->method('match');
        $this->assertTrue($this->pathValidator
            ->isValid('<front>'));
    }
    
    /**
     * Tests the isValid() method for <none> (used for jumplinks).
     *
     * @covers ::isValid
     */
    public function testIsValidWithNone() {
        $this->accessAwareRouter
            ->expects($this->never())
            ->method('match');
        $this->assertTrue($this->pathValidator
            ->isValid('<none>'));
    }
    
    /**
     * Tests the isValid() method for an external URL.
     *
     * @covers ::isValid
     */
    public function testIsValidWithExternalUrl() {
        $this->accessAwareRouter
            ->expects($this->never())
            ->method('match');
        $this->assertTrue($this->pathValidator
            ->isValid('https://www.drupal.org'));
    }
    
    /**
     * Tests the isValid() method with an invalid external URL.
     *
     * @covers ::isValid
     */
    public function testIsValidWithInvalidExternalUrl() {
        $this->accessAwareRouter
            ->expects($this->never())
            ->method('match');
        $this->assertFalse($this->pathValidator
            ->isValid('http://'));
    }
    
    /**
     * Tests the isValid() method with a 'link to any page' permission.
     *
     * @covers ::isValid
     * @covers ::getPathAttributes
     */
    public function testIsValidWithLinkToAnyPageAccount() {
        $this->account
            ->expects($this->once())
            ->method('hasPermission')
            ->with('link to any page')
            ->willReturn(TRUE);
        $this->accessAwareRouter
            ->expects($this->never())
            ->method('match');
        $this->accessUnawareRouter
            ->expects($this->once())
            ->method('match')
            ->with('/test-path')
            ->willReturn([
            RouteObjectInterface::ROUTE_NAME => 'test_route',
            '_raw_variables' => new ParameterBag([
                'key' => 'value',
            ]),
        ]);
        $this->pathProcessor
            ->expects($this->once())
            ->method('processInbound')
            ->willReturnArgument(0);
        $this->assertTrue($this->pathValidator
            ->isValid('test-path'));
    }
    
    /**
     * Tests the isValid() method without the 'link to any page' permission.
     *
     * @covers ::isValid
     */
    public function testIsValidWithoutLinkToAnyPageAccount() {
        $this->account
            ->expects($this->once())
            ->method('hasPermission')
            ->with('link to any page')
            ->willReturn(FALSE);
        $this->accessUnawareRouter
            ->expects($this->never())
            ->method('match');
        $this->accessAwareRouter
            ->expects($this->once())
            ->method('match')
            ->with('/test-path')
            ->willReturn([
            RouteObjectInterface::ROUTE_NAME => 'test_route',
            '_raw_variables' => new ParameterBag([
                'key' => 'value',
            ]),
        ]);
        $this->pathProcessor
            ->expects($this->once())
            ->method('processInbound')
            ->willReturnArgument(0);
        $this->assertTrue($this->pathValidator
            ->isValid('test-path'));
    }
    
    /**
     * Tests the isValid() method with a path alias.
     *
     * @covers ::isValid
     */
    public function testIsValidWithPathAlias() {
        $this->account
            ->expects($this->once())
            ->method('hasPermission')
            ->with('link to any page')
            ->willReturn(FALSE);
        $this->accessUnawareRouter
            ->expects($this->never())
            ->method('match');
        $this->accessAwareRouter
            ->expects($this->once())
            ->method('match')
            ->with('/test-path')
            ->willReturn([
            RouteObjectInterface::ROUTE_NAME => 'test_route',
            '_raw_variables' => new ParameterBag([
                'key' => 'value',
            ]),
        ]);
        $this->pathProcessor
            ->expects($this->once())
            ->method('processInbound')
            ->with('/path-alias', $this->anything())
            ->willReturn('/test-path');
        $this->assertTrue($this->pathValidator
            ->isValid('path-alias'));
    }
    
    /**
     * Tests the isValid() method with a user without access to the path.
     *
     * @covers ::isValid
     * @covers ::getPathAttributes
     */
    public function testIsValidWithAccessDenied() {
        $this->account
            ->expects($this->once())
            ->method('hasPermission')
            ->with('link to any page')
            ->willReturn(FALSE);
        $this->accessUnawareRouter
            ->expects($this->never())
            ->method('match');
        $this->accessAwareRouter
            ->expects($this->once())
            ->method('match')
            ->with('/test-path')
            ->willThrowException(new AccessDeniedHttpException());
        $this->pathProcessor
            ->expects($this->once())
            ->method('processInbound')
            ->willReturnArgument(0);
        $this->assertFalse($this->pathValidator
            ->isValid('test-path'));
    }
    
    /**
     * @covers ::isValid
     * @covers ::getPathAttributes
     */
    public function testIsValidWithResourceNotFound() {
        $this->account
            ->expects($this->once())
            ->method('hasPermission')
            ->with('link to any page')
            ->willReturn(FALSE);
        $this->accessUnawareRouter
            ->expects($this->never())
            ->method('match');
        $this->accessAwareRouter
            ->expects($this->once())
            ->method('match')
            ->with('/test-path')
            ->willThrowException(new ResourceNotFoundException());
        $this->pathProcessor
            ->expects($this->once())
            ->method('processInbound')
            ->willReturnArgument(0);
        $this->assertFalse($this->pathValidator
            ->isValid('test-path'));
    }
    
    /**
     * @covers ::isValid
     * @covers ::getPathAttributes
     */
    public function testIsValidWithParamNotConverted() {
        $this->account
            ->expects($this->once())
            ->method('hasPermission')
            ->with('link to any page')
            ->willReturn(FALSE);
        $this->accessUnawareRouter
            ->expects($this->never())
            ->method('match');
        $this->accessAwareRouter
            ->expects($this->once())
            ->method('match')
            ->with('/test-path')
            ->willThrowException(new ParamNotConvertedException());
        $this->pathProcessor
            ->expects($this->once())
            ->method('processInbound')
            ->willReturnArgument(0);
        $this->assertFalse($this->pathValidator
            ->isValid('test-path'));
    }
    
    /**
     * @covers ::isValid
     * @covers ::getPathAttributes
     */
    public function testIsValidWithMethodNotAllowed() {
        $this->account
            ->expects($this->once())
            ->method('hasPermission')
            ->with('link to any page')
            ->willReturn(FALSE);
        $this->accessUnawareRouter
            ->expects($this->never())
            ->method('match');
        $this->accessAwareRouter
            ->expects($this->once())
            ->method('match')
            ->with('/test-path')
            ->willThrowException(new MethodNotAllowedException([]));
        $this->pathProcessor
            ->expects($this->once())
            ->method('processInbound')
            ->willReturnArgument(0);
        $this->assertFalse($this->pathValidator
            ->isValid('test-path'));
    }
    
    /**
     * Tests the isValid() method with a not working param converting.
     *
     * @covers ::isValid
     */
    public function testIsValidWithFailingParameterConverting() {
        $this->account
            ->expects($this->once())
            ->method('hasPermission')
            ->with('link to any page')
            ->willReturn(FALSE);
        $this->accessUnawareRouter
            ->expects($this->never())
            ->method('match');
        $this->accessAwareRouter
            ->expects($this->once())
            ->method('match')
            ->with('/entity-test/1')
            ->willThrowException(new ParamNotConvertedException());
        $this->pathProcessor
            ->expects($this->once())
            ->method('processInbound')
            ->willReturnArgument(0);
        $this->assertFalse($this->pathValidator
            ->isValid('entity-test/1'));
    }
    
    /**
     * Tests the isValid() method with a non-existent path.
     *
     * @covers ::isValid
     */
    public function testIsValidWithNotExistingPath() {
        $this->account
            ->expects($this->once())
            ->method('hasPermission')
            ->with('link to any page')
            ->willReturn(FALSE);
        $this->accessUnawareRouter
            ->expects($this->never())
            ->method('match');
        $this->accessAwareRouter
            ->expects($this->once())
            ->method('match')
            ->with('/not-existing-path')
            ->willThrowException(new ResourceNotFoundException());
        $this->pathProcessor
            ->expects($this->once())
            ->method('processInbound')
            ->willReturnArgument(0);
        $this->assertFalse($this->pathValidator
            ->isValid('not-existing-path'));
    }
    
    /**
     * Tests the getUrlIfValid() method when there is access.
     *
     * @covers ::getUrlIfValid
     * @covers ::getPathAttributes
     */
    public function testGetUrlIfValidWithAccess() {
        $this->account
            ->expects($this->exactly(2))
            ->method('hasPermission')
            ->with('link to any page')
            ->willReturn(FALSE);
        $this->accessAwareRouter
            ->expects($this->exactly(2))
            ->method('match')
            ->with('/test-path')
            ->willReturn([
            RouteObjectInterface::ROUTE_NAME => 'test_route',
            '_raw_variables' => new ParameterBag([
                'key' => 'value',
            ]),
        ]);
        $this->pathProcessor
            ->expects($this->exactly(2))
            ->method('processInbound')
            ->willReturnArgument(0);
        $url = $this->pathValidator
            ->getUrlIfValid('test-path');
        $this->assertInstanceOf('Drupal\\Core\\Url', $url);
        $this->assertEquals('test_route', $url->getRouteName());
        $this->assertEquals([
            'key' => 'value',
        ], $url->getRouteParameters());
        // Test with leading /.
        $url = $this->pathValidator
            ->getUrlIfValid('/test-path');
        $this->assertInstanceOf('Drupal\\Core\\Url', $url);
        $this->assertEquals('test_route', $url->getRouteName());
        $this->assertEquals([
            'key' => 'value',
        ], $url->getRouteParameters());
    }
    
    /**
     * Tests the getUrlIfValid() method with a query in the path.
     *
     * @covers ::getUrlIfValid
     */
    public function testGetUrlIfValidWithQuery() {
        $this->account
            ->expects($this->once())
            ->method('hasPermission')
            ->with('link to any page')
            ->willReturn(FALSE);
        $this->accessAwareRouter
            ->expects($this->once())
            ->method('match')
            ->with('/test-path?k=bar')
            ->willReturn([
            RouteObjectInterface::ROUTE_NAME => 'test_route',
            '_raw_variables' => new ParameterBag(),
        ]);
        $this->pathProcessor
            ->expects($this->once())
            ->method('processInbound')
            ->willReturnArgument(0);
        $url = $this->pathValidator
            ->getUrlIfValid('test-path?k=bar');
        $this->assertInstanceOf('Drupal\\Core\\Url', $url);
        $this->assertEquals('test_route', $url->getRouteName());
        $this->assertEquals([
            'k' => 'bar',
        ], $url->getOptions()['query']);
    }
    
    /**
     * Tests the getUrlIfValid() method where there is no access.
     *
     * @covers ::getUrlIfValid
     */
    public function testGetUrlIfValidWithoutAccess() {
        $this->account
            ->expects($this->once())
            ->method('hasPermission')
            ->with('link to any page')
            ->willReturn(FALSE);
        $this->accessAwareRouter
            ->expects($this->once())
            ->method('match')
            ->with('/test-path')
            ->willThrowException(new AccessDeniedHttpException());
        $this->pathProcessor
            ->expects($this->once())
            ->method('processInbound')
            ->willReturnArgument(0);
        $url = $this->pathValidator
            ->getUrlIfValid('test-path');
        $this->assertFalse($url);
    }
    
    /**
     * Tests the getUrlIfValid() method with a front page + query + fragments.
     *
     * @covers ::getUrlIfValid
     */
    public function testGetUrlIfValidWithFrontPageAndQueryAndFragments() {
        $url = $this->pathValidator
            ->getUrlIfValid('<front>?hei=sen#berg');
        $this->assertEquals('<front>', $url->getRouteName());
        $this->assertEquals([
            'hei' => 'sen',
        ], $url->getOptions()['query']);
        $this->assertEquals('berg', $url->getOptions()['fragment']);
    }
    
    /**
     * Tests the getUrlIfValidWithoutAccessCheck() method.
     *
     * @covers ::getUrlIfValidWithoutAccessCheck
     * @covers ::getPathAttributes
     */
    public function testGetUrlIfValidWithoutAccessCheck() {
        $this->account
            ->expects($this->never())
            ->method('hasPermission')
            ->with('link to any page');
        $this->accessAwareRouter
            ->expects($this->never())
            ->method('match');
        $this->accessUnawareRouter
            ->expects($this->once())
            ->method('match')
            ->with('/test-path')
            ->willReturn([
            RouteObjectInterface::ROUTE_NAME => 'test_route',
            '_raw_variables' => new ParameterBag([
                'key' => 'value',
            ]),
        ]);
        $this->pathProcessor
            ->expects($this->once())
            ->method('processInbound')
            ->willReturnArgument(0);
        $url = $this->pathValidator
            ->getUrlIfValidWithoutAccessCheck('test-path');
        $this->assertInstanceOf('Drupal\\Core\\Url', $url);
        $this->assertEquals('test_route', $url->getRouteName());
        $this->assertEquals([
            'key' => 'value',
        ], $url->getRouteParameters());
    }

}