RouteProviderTest.php in Drupal 8

Same filename in this branch
Same filename and directory in other branches
9 core/tests/Drupal/KernelTests/Core/Routing/RouteProviderTest.php
Contains \Drupal\KernelTests\Core\Routing\RouteProviderTest.
Namespace

Drupal\KernelTests\Core\Routing
File

core/tests/Drupal/KernelTests/Core/Routing/RouteProviderTest.php
View source
<?php

/**
 * @file
 * Contains \Drupal\KernelTests\Core\Routing\RouteProviderTest.
 */
namespace Drupal\KernelTests\Core\Routing;

use Drupal\Core\Cache\MemoryBackend;
use Drupal\Core\Database\Database;
use Drupal\Core\DependencyInjection\ContainerBuilder;
use Drupal\Core\KeyValueStore\KeyValueMemoryFactory;
use Drupal\Core\Path\CurrentPathStack;
use Drupal\Core\Routing\MatcherDumper;
use Drupal\Core\Routing\RouteProvider;
use Drupal\Core\State\State;
use Drupal\KernelTests\KernelTestBase;
use Drupal\language\Entity\ConfigurableLanguage;
use Drupal\Tests\Core\Routing\RoutingFixtures;
use Drupal\Tests\Traits\Core\PathAliasTestTrait;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\RequestStack;
use Symfony\Component\Routing\Exception\ResourceNotFoundException;
use Symfony\Component\Routing\Exception\RouteNotFoundException;
use Symfony\Component\Routing\Route;
use Symfony\Component\Routing\RouteCollection;

/**
 * Confirm that the default route provider is working correctly.
 *
 * @group Routing
 */
class RouteProviderTest extends KernelTestBase {
  use PathAliasTestTrait;

  /**
   * Modules to enable.
   */
  public static $modules = [
    'url_alter_test',
    'system',
    'language',
    'path_alias',
  ];

  /**
   * A collection of shared fixture data for tests.
   *
   * @var \Drupal\Tests\Core\Routing\RoutingFixtures
   */
  protected $fixtures;

  /**
   * The state.
   *
   * @var \Drupal\Core\State\StateInterface
   */
  protected $state;

  /**
   * The current path.
   *
   * @var \Drupal\Core\Path\CurrentPathStack
   */
  protected $currentPath;

  /**
   * The cache backend.
   *
   * @var \Drupal\Core\Cache\MemoryBackend
   */
  protected $cache;

  /**
   * The inbound path processor.
   *
   * @var \Drupal\Core\PathProcessor\InboundPathProcessorInterface
   */
  protected $pathProcessor;

  /**
   * The cache tags invalidator.
   *
   * @var \Drupal\Core\Cache\CacheTagsInvalidatorInterface
   */
  protected $cacheTagsInvalidator;
  protected function setUp() {
    parent::setUp();
    $this->fixtures = new RoutingFixtures();
    $this->state = new State(new KeyValueMemoryFactory());
    $this->currentPath = new CurrentPathStack(new RequestStack());
    $this->cache = new MemoryBackend();
    $this->pathProcessor = \Drupal::service('path_processor_manager');
    $this->cacheTagsInvalidator = \Drupal::service('cache_tags.invalidator');
    $this
      ->installEntitySchema('path_alias');
  }

  /**
   * {@inheritdoc}
   */
  public function register(ContainerBuilder $container) {
    parent::register($container);

    // Read the incoming path alias for these tests.
    if ($container
      ->hasDefinition('path_alias.path_processor')) {
      $definition = $container
        ->getDefinition('path_alias.path_processor');
      $definition
        ->addTag('path_processor_inbound');
    }
  }
  protected function tearDown() {
    $this->fixtures
      ->dropTables(Database::getConnection());
    parent::tearDown();
  }

  /**
   * Confirms that the correct candidate outlines are generated.
   */
  public function testCandidateOutlines() {
    $connection = Database::getConnection();
    $provider = new TestRouteProvider($connection, $this->state, $this->currentPath, $this->cache, $this->pathProcessor, $this->cacheTagsInvalidator, 'test_routes');
    $parts = [
      'node',
      '5',
      'edit',
    ];
    $candidates = $provider
      ->getCandidateOutlines($parts);
    $candidates = array_flip($candidates);
    $this
      ->assertCount(7, $candidates, 'Correct number of candidates found');
    $this
      ->assertArrayHasKey('/node/5/edit', $candidates);
    $this
      ->assertArrayHasKey('/node/5/%', $candidates);
    $this
      ->assertArrayHasKey('/node/%/edit', $candidates);
    $this
      ->assertArrayHasKey('/node/%/%', $candidates);
    $this
      ->assertArrayHasKey('/node/5', $candidates);
    $this
      ->assertArrayHasKey('/node/%', $candidates);
    $this
      ->assertArrayHasKey('/node', $candidates);
  }

  /**
   * Don't fail when given an empty path.
   */
  public function testEmptyPathCandidatesOutlines() {
    $provider = new TestRouteProvider(Database::getConnection(), $this->state, $this->currentPath, $this->cache, $this->pathProcessor, $this->cacheTagsInvalidator, 'test_routes');
    $candidates = $provider
      ->getCandidateOutlines([]);
    $this
      ->assertCount(0, $candidates, 'Empty parts should return no candidates.');
  }

  /**
   * Confirms that we can find routes with the exact incoming path.
   */
  public function testExactPathMatch() {
    $connection = Database::getConnection();
    $provider = new RouteProvider($connection, $this->state, $this->currentPath, $this->cache, $this->pathProcessor, $this->cacheTagsInvalidator, 'test_routes');
    $this->fixtures
      ->createTables($connection);
    $dumper = new MatcherDumper($connection, $this->state, 'test_routes');
    $dumper
      ->addRoutes($this->fixtures
      ->sampleRouteCollection());
    $dumper
      ->dump();
    $path = '/path/one';
    $request = Request::create($path, 'GET');
    $routes = $provider
      ->getRouteCollectionForRequest($request);
    foreach ($routes as $route) {
      $this
        ->assertEqual($route
        ->getPath(), $path, 'Found path has correct pattern');
    }
  }

  /**
   * Confirms that we can find routes whose pattern would match the request.
   */
  public function testOutlinePathMatch() {
    $connection = Database::getConnection();
    $provider = new RouteProvider($connection, $this->state, $this->currentPath, $this->cache, $this->pathProcessor, $this->cacheTagsInvalidator, 'test_routes');
    $this->fixtures
      ->createTables($connection);
    $dumper = new MatcherDumper($connection, $this->state, 'test_routes');
    $dumper
      ->addRoutes($this->fixtures
      ->complexRouteCollection());
    $dumper
      ->dump();
    $path = '/path/1/one';
    $request = Request::create($path, 'GET');
    $routes = $provider
      ->getRouteCollectionForRequest($request);

    // All of the matching paths have the correct pattern.
    foreach ($routes as $route) {
      $this
        ->assertEqual($route
        ->compile()
        ->getPatternOutline(), '/path/%/one', 'Found path has correct pattern');
    }
    $this
      ->assertCount(2, $routes, 'The correct number of routes was found.');
    $this
      ->assertNotNull($routes
      ->get('route_a'), 'The first matching route was found.');
    $this
      ->assertNotNull($routes
      ->get('route_b'), 'The second matching route was not found.');
  }

  /**
   * Data provider for testMixedCasePaths()
   */
  public function providerMixedCaseRoutePaths() {
    return [
      [
        '/path/one',
        'route_a',
      ],
      [
        '/path/two',
        NULL,
      ],
      [
        '/PATH/one',
        'route_a',
      ],
      [
        '/path/2/one',
        'route_b',
        'PUT',
      ],
      [
        '/paTH/3/one',
        'route_b',
        'PUT',
      ],
      // There should be no lower case of a Hebrew letter.
      [
        '/somewhere/4/over/the/קainbow',
        'route_c',
      ],
      [
        '/Somewhere/5/over/the/קainboW',
        'route_c',
      ],
      [
        '/another/llama/aboUT/22',
        'route_d',
      ],
      [
        '/another/llama/about/22',
        'route_d',
      ],
      [
        '/place/meΦω',
        'route_e',
        'HEAD',
      ],
      [
        '/place/meφΩ',
        'route_e',
        'HEAD',
      ],
    ];
  }

  /**
   * Confirms that we find routes using a case-insensitive path match.
   *
   * @dataProvider providerMixedCaseRoutePaths
   */
  public function testMixedCasePaths($path, $expected_route_name, $method = 'GET') {
    $connection = Database::getConnection();
    $provider = new RouteProvider($connection, $this->state, $this->currentPath, $this->cache, $this->pathProcessor, $this->cacheTagsInvalidator, 'test_routes');
    $this->fixtures
      ->createTables($connection);
    $dumper = new MatcherDumper($connection, $this->state, 'test_routes');
    $dumper
      ->addRoutes($this->fixtures
      ->mixedCaseRouteCollection());
    $dumper
      ->dump();
    $request = Request::create($path, $method);
    $routes = $provider
      ->getRouteCollectionForRequest($request);
    if ($expected_route_name) {
      $this
        ->assertCount(1, $routes, 'The correct number of routes was found.');
      $this
        ->assertNotNull($routes
        ->get($expected_route_name), 'The first matching route was found.');
    }
    else {
      $this
        ->assertCount(0, $routes, 'No routes matched.');
    }
  }

  /**
   * Data provider for testMixedCasePaths()
   */
  public function providerDuplicateRoutePaths() {

    // When matching routes with the same fit the route with the lowest-sorting
    // name should end up first in the resulting route collection.
    return [
      [
        '/path/one',
        3,
        'route_a',
      ],
      [
        '/PATH/one',
        3,
        'route_a',
      ],
      [
        '/path/two',
        1,
        'route_d',
      ],
      [
        '/PATH/three',
        0,
      ],
      [
        '/place/meΦω',
        2,
        'route_e',
      ],
      [
        '/placE/meφΩ',
        2,
        'route_e',
      ],
    ];
  }

  /**
   * Confirms that we find all routes with the same path.
   *
   * @dataProvider providerDuplicateRoutePaths
   */
  public function testDuplicateRoutePaths($path, $number, $expected_route_name = NULL) {
    $connection = Database::getConnection();
    $provider = new RouteProvider($connection, $this->state, $this->currentPath, $this->cache, $this->pathProcessor, $this->cacheTagsInvalidator, 'test_routes');
    $this->fixtures
      ->createTables($connection);
    $dumper = new MatcherDumper($connection, $this->state, 'test_routes');
    $dumper
      ->addRoutes($this->fixtures
      ->duplicatePathsRouteCollection());
    $dumper
      ->dump();
    $request = Request::create($path);
    $routes = $provider
      ->getRouteCollectionForRequest($request);
    $this
      ->assertEquals($number, count($routes), 'The correct number of routes was found.');
    if ($expected_route_name) {
      $route_name = key(current($routes));
      $this
        ->assertEquals($expected_route_name, $route_name, 'The expected route name was found.');
    }
  }

  /**
   * Confirms that a trailing slash on the request does not result in a 404.
   */
  public function testOutlinePathMatchTrailingSlash() {
    $connection = Database::getConnection();
    $provider = new RouteProvider($connection, $this->state, $this->currentPath, $this->cache, $this->pathProcessor, $this->cacheTagsInvalidator, 'test_routes');
    $this->fixtures
      ->createTables($connection);
    $dumper = new MatcherDumper($connection, $this->state, 'test_routes');
    $dumper
      ->addRoutes($this->fixtures
      ->complexRouteCollection());
    $dumper
      ->dump();
    $path = '/path/1/one/';
    $request = Request::create($path, 'GET');
    $routes = $provider
      ->getRouteCollectionForRequest($request);

    // All of the matching paths have the correct pattern.
    foreach ($routes as $route) {
      $this
        ->assertEqual($route
        ->compile()
        ->getPatternOutline(), '/path/%/one', 'Found path has correct pattern');
    }
    $this
      ->assertCount(2, $routes, 'The correct number of routes was found.');
    $this
      ->assertNotNull($routes
      ->get('route_a'), 'The first matching route was found.');
    $this
      ->assertNotNull($routes
      ->get('route_b'), 'The second matching route was not found.');
  }

  /**
   * Confirms that we can find routes whose pattern would match the request.
   */
  public function testOutlinePathMatchDefaults() {
    $connection = Database::getConnection();
    $provider = new RouteProvider($connection, $this->state, $this->currentPath, $this->cache, $this->pathProcessor, $this->cacheTagsInvalidator, 'test_routes');
    $this->fixtures
      ->createTables($connection);
    $collection = new RouteCollection();
    $collection
      ->add('poink', new Route('/some/path/{value}', [
      'value' => 'poink',
    ]));
    $dumper = new MatcherDumper($connection, $this->state, 'test_routes');
    $dumper
      ->addRoutes($collection);
    $dumper
      ->dump();
    $path = '/some/path';
    $request = Request::create($path, 'GET');
    try {
      $routes = $provider
        ->getRouteCollectionForRequest($request);

      // All of the matching paths have the correct pattern.
      foreach ($routes as $route) {
        $this
          ->assertEqual($route
          ->compile()
          ->getPatternOutline(), '/some/path', 'Found path has correct pattern');
      }
      $this
        ->assertCount(1, $routes, 'The correct number of routes was found.');
      $this
        ->assertNotNull($routes
        ->get('poink'), 'The first matching route was found.');
    } catch (ResourceNotFoundException $e) {
      $this
        ->fail('No matching route found with default argument value.');
    }
  }

  /**
   * Confirms that we can find routes whose pattern would match the request.
   */
  public function testOutlinePathMatchDefaultsCollision() {
    $connection = Database::getConnection();
    $provider = new RouteProvider($connection, $this->state, $this->currentPath, $this->cache, $this->pathProcessor, $this->cacheTagsInvalidator, 'test_routes');
    $this->fixtures
      ->createTables($connection);
    $collection = new RouteCollection();
    $collection
      ->add('poink', new Route('/some/path/{value}', [
      'value' => 'poink',
    ]));
    $collection
      ->add('narf', new Route('/some/path/here'));
    $dumper = new MatcherDumper($connection, $this->state, 'test_routes');
    $dumper
      ->addRoutes($collection);
    $dumper
      ->dump();
    $path = '/some/path';
    $request = Request::create($path, 'GET');
    try {
      $routes = $provider
        ->getRouteCollectionForRequest($request);

      // All of the matching paths have the correct pattern.
      foreach ($routes as $route) {
        $this
          ->assertEqual($route
          ->compile()
          ->getPatternOutline(), '/some/path', 'Found path has correct pattern');
      }
      $this
        ->assertCount(1, $routes, 'The correct number of routes was found.');
      $this
        ->assertNotNull($routes
        ->get('poink'), 'The first matching route was found.');
    } catch (ResourceNotFoundException $e) {
      $this
        ->fail('No matching route found with default argument value.');
    }
  }

  /**
   * Confirms that we can find routes whose pattern would match the request.
   */
  public function testOutlinePathMatchDefaultsCollision2() {
    $connection = Database::getConnection();
    $provider = new RouteProvider($connection, $this->state, $this->currentPath, $this->cache, $this->pathProcessor, $this->cacheTagsInvalidator, 'test_routes');
    $this->fixtures
      ->createTables($connection);
    $collection = new RouteCollection();
    $collection
      ->add('poink', new Route('/some/path/{value}', [
      'value' => 'poink',
    ]));
    $collection
      ->add('narf', new Route('/some/path/here'));
    $collection
      ->add('eep', new Route('/something/completely/different'));
    $dumper = new MatcherDumper($connection, $this->state, 'test_routes');
    $dumper
      ->addRoutes($collection);
    $dumper
      ->dump();
    $path = '/some/path/here';
    $request = Request::create($path, 'GET');
    try {
      $routes = $provider
        ->getRouteCollectionForRequest($request);
      $routes_array = $routes
        ->all();
      $this
        ->assertCount(2, $routes, 'The correct number of routes was found.');
      $this
        ->assertEqual([
        'narf',
        'poink',
      ], array_keys($routes_array), 'Ensure the fitness was taken into account.');
      $this
        ->assertNotNull($routes
        ->get('narf'), 'The first matching route was found.');
      $this
        ->assertNotNull($routes
        ->get('poink'), 'The second matching route was found.');
      $this
        ->assertNull($routes
        ->get('eep'), 'Non-matching route was not found.');
    } catch (ResourceNotFoundException $e) {
      $this
        ->fail('No matching route found with default argument value.');
    }
  }

  /**
   * Confirms that we can find multiple routes that match the request equally.
   */
  public function testOutlinePathMatchDefaultsCollision3() {
    $connection = Database::getConnection();
    $provider = new RouteProvider($connection, $this->state, $this->currentPath, $this->cache, $this->pathProcessor, $this->cacheTagsInvalidator, 'test_routes');
    $this->fixtures
      ->createTables($connection);
    $collection = new RouteCollection();
    $collection
      ->add('poink', new Route('/some/{value}/path'));

    // Add a second route matching the same path pattern.
    $collection
      ->add('poink2', new Route('/some/{object}/path'));
    $collection
      ->add('narf', new Route('/some/here/path'));
    $collection
      ->add('eep', new Route('/something/completely/different'));
    $dumper = new MatcherDumper($connection, $this->state, 'test_routes');
    $dumper
      ->addRoutes($collection);
    $dumper
      ->dump();
    $path = '/some/over-there/path';
    $request = Request::create($path, 'GET');
    try {
      $routes = $provider
        ->getRouteCollectionForRequest($request);
      $routes_array = $routes
        ->all();
      $this
        ->assertCount(2, $routes, 'The correct number of routes was found.');
      $this
        ->assertEqual([
        'poink',
        'poink2',
      ], array_keys($routes_array), 'Ensure the fitness and name were taken into account in the sort.');
      $this
        ->assertNotNull($routes
        ->get('poink'), 'The first matching route was found.');
      $this
        ->assertNotNull($routes
        ->get('poink2'), 'The second matching route was found.');
      $this
        ->assertNull($routes
        ->get('eep'), 'Non-matching route was not found.');
    } catch (ResourceNotFoundException $e) {
      $this
        ->fail('No matching route found with default argument value.');
    }
  }

  /**
   * Tests a route with a 0 as value.
   */
  public function testOutlinePathMatchZero() {
    $connection = Database::getConnection();
    $provider = new RouteProvider($connection, $this->state, $this->currentPath, $this->cache, $this->pathProcessor, $this->cacheTagsInvalidator, 'test_routes');
    $this->fixtures
      ->createTables($connection);
    $collection = new RouteCollection();
    $collection
      ->add('poink', new Route('/some/path/{value}'));
    $dumper = new MatcherDumper($connection, $this->state, 'test_routes');
    $dumper
      ->addRoutes($collection);
    $dumper
      ->dump();
    $path = '/some/path/0';
    $request = Request::create($path, 'GET');
    try {
      $routes = $provider
        ->getRouteCollectionForRequest($request);

      // All of the matching paths have the correct pattern.
      foreach ($routes as $route) {
        $this
          ->assertEqual($route
          ->compile()
          ->getPatternOutline(), '/some/path/%', 'Found path has correct pattern');
      }
      $this
        ->assertCount(1, $routes, 'The correct number of routes was found.');
    } catch (ResourceNotFoundException $e) {
      $this
        ->fail('No matchout route found with 0 as argument value');
    }
  }

  /**
   * Confirms that an exception is thrown when no matching path is found.
   */
  public function testOutlinePathNoMatch() {
    $connection = Database::getConnection();
    $provider = new RouteProvider($connection, $this->state, $this->currentPath, $this->cache, $this->pathProcessor, $this->cacheTagsInvalidator, 'test_routes');
    $this->fixtures
      ->createTables($connection);
    $dumper = new MatcherDumper($connection, $this->state, 'test_routes');
    $dumper
      ->addRoutes($this->fixtures
      ->complexRouteCollection());
    $dumper
      ->dump();
    $path = '/no/such/path';
    $request = Request::create($path, 'GET');
    $routes = $provider
      ->getRoutesByPattern($path);
    $this
      ->assertEmpty($routes, 'No path found with this pattern.');
    $collection = $provider
      ->getRouteCollectionForRequest($request);
    $this
      ->assertEmpty($collection, 'Empty route collection found with this pattern.');
  }

  /**
   * Tests that route caching works.
   */
  public function testRouteCaching() {
    $connection = Database::getConnection();
    $language_manager = \Drupal::languageManager();
    $provider = new RouteProvider($connection, $this->state, $this->currentPath, $this->cache, $this->pathProcessor, $this->cacheTagsInvalidator, 'test_routes', $language_manager);
    $this->fixtures
      ->createTables($connection);
    $dumper = new MatcherDumper($connection, $this->state, 'test_routes');
    $dumper
      ->addRoutes($this->fixtures
      ->sampleRouteCollection());
    $dumper
      ->addRoutes($this->fixtures
      ->complexRouteCollection());
    $dumper
      ->dump();

    // A simple path.
    $path = '/path/add/one';
    $request = Request::create($path, 'GET');
    $provider
      ->getRouteCollectionForRequest($request);
    $cache = $this->cache
      ->get('route:[language]=en:/path/add/one:');
    $this
      ->assertEqual('/path/add/one', $cache->data['path']);
    $this
      ->assertEqual([], $cache->data['query']);
    $this
      ->assertCount(3, $cache->data['routes']);

    // A path with query parameters.
    $path = '/path/add/one?foo=bar';
    $request = Request::create($path, 'GET');
    $provider
      ->getRouteCollectionForRequest($request);
    $cache = $this->cache
      ->get('route:[language]=en:/path/add/one:foo=bar');
    $this
      ->assertEqual('/path/add/one', $cache->data['path']);
    $this
      ->assertEqual([
      'foo' => 'bar',
    ], $cache->data['query']);
    $this
      ->assertCount(3, $cache->data['routes']);

    // A path with placeholders.
    $path = '/path/1/one';
    $request = Request::create($path, 'GET');
    $provider
      ->getRouteCollectionForRequest($request);
    $cache = $this->cache
      ->get('route:[language]=en:/path/1/one:');
    $this
      ->assertEqual('/path/1/one', $cache->data['path']);
    $this
      ->assertEqual([], $cache->data['query']);
    $this
      ->assertCount(2, $cache->data['routes']);

    // A path with a path alias.
    $this
      ->createPathAlias('/path/add/one', '/path/add-one');

    /** @var \Drupal\path_alias\AliasManagerInterface $alias_manager */
    $alias_manager = \Drupal::service('path_alias.manager');
    $alias_manager
      ->cacheClear();
    $path = '/path/add-one';
    $request = Request::create($path, 'GET');
    $provider
      ->getRouteCollectionForRequest($request);
    $cache = $this->cache
      ->get('route:[language]=en:/path/add-one:');
    $this
      ->assertEqual('/path/add/one', $cache->data['path']);
    $this
      ->assertEqual([], $cache->data['query']);
    $this
      ->assertCount(3, $cache->data['routes']);

    // Test with a different current language by switching out the default
    // language.
    $swiss = ConfigurableLanguage::createFromLangcode('gsw-berne');
    $language_manager
      ->reset();
    \Drupal::service('language.default')
      ->set($swiss);
    $path = '/path/add-one';
    $request = Request::create($path, 'GET');
    $provider
      ->getRouteCollectionForRequest($request);
    $cache = $this->cache
      ->get('route:[language]=gsw-berne:/path/add-one:');
    $this
      ->assertEquals('/path/add/one', $cache->data['path']);
    $this
      ->assertEquals([], $cache->data['query']);
    $this
      ->assertCount(3, $cache->data['routes']);
  }

  /**
   * Test RouteProvider::getRouteByName() and RouteProvider::getRoutesByNames().
   */
  public function testRouteByName() {
    $connection = Database::getConnection();
    $provider = new RouteProvider($connection, $this->state, $this->currentPath, $this->cache, $this->pathProcessor, $this->cacheTagsInvalidator, 'test_routes');
    $this->fixtures
      ->createTables($connection);
    $dumper = new MatcherDumper($connection, $this->state, 'test_routes');
    $dumper
      ->addRoutes($this->fixtures
      ->sampleRouteCollection());
    $dumper
      ->dump();
    $route = $provider
      ->getRouteByName('route_a');
    $this
      ->assertEqual($route
      ->getPath(), '/path/one', 'The right route pattern was found.');
    $this
      ->assertEqual($route
      ->getMethods(), [
      'GET',
    ], 'The right route method was found.');
    $route = $provider
      ->getRouteByName('route_b');
    $this
      ->assertEqual($route
      ->getPath(), '/path/one', 'The right route pattern was found.');
    $this
      ->assertEqual($route
      ->getMethods(), [
      'PUT',
    ], 'The right route method was found.');
    $exception_thrown = FALSE;
    try {
      $provider
        ->getRouteByName('invalid_name');
    } catch (RouteNotFoundException $e) {
      $exception_thrown = TRUE;
    }
    $this
      ->assertTrue($exception_thrown, 'Random route was not found.');
    $routes = $provider
      ->getRoutesByNames([
      'route_c',
      'route_d',
      $this
        ->randomMachineName(),
    ]);
    $this
      ->assertCount(2, $routes, 'Only two valid routes found.');
    $this
      ->assertEqual($routes['route_c']
      ->getPath(), '/path/two');
    $this
      ->assertEqual($routes['route_d']
      ->getPath(), '/path/three');
  }

  /**
   * Ensures that the routing system is capable of extreme long patterns.
   */
  public function testGetRoutesByPatternWithLongPatterns() {
    $connection = Database::getConnection();
    $provider = new TestRouteProvider($connection, $this->state, $this->currentPath, $this->cache, $this->pathProcessor, $this->cacheTagsInvalidator, 'test_routes');
    $this->fixtures
      ->createTables($connection);

    // This pattern has only 3 parts, so we will get candidates, but no routes,
    // even though we have not dumped the routes yet.
    $shortest = '/test/1/test2';
    $result = $provider
      ->getRoutesByPattern($shortest);
    $this
      ->assertEqual($result
      ->count(), 0);
    $candidates = $provider
      ->getCandidateOutlines(explode('/', trim($shortest, '/')));
    $this
      ->assertCount(7, $candidates);

    // A longer patten is not found and returns no candidates
    $path_to_test = '/test/1/test2/2/test3/3/4/5/6/test4';
    $result = $provider
      ->getRoutesByPattern($path_to_test);
    $this
      ->assertEqual($result
      ->count(), 0);
    $candidates = $provider
      ->getCandidateOutlines(explode('/', trim($path_to_test, '/')));
    $this
      ->assertCount(0, $candidates);

    // Add a matching route and dump it.
    $dumper = new MatcherDumper($connection, $this->state, 'test_routes');
    $collection = new RouteCollection();
    $collection
      ->add('long_pattern', new Route('/test/{v1}/test2/{v2}/test3/{v3}/{v4}/{v5}/{v6}/test4'));
    $dumper
      ->addRoutes($collection);
    $dumper
      ->dump();
    $result = $provider
      ->getRoutesByPattern($path_to_test);
    $this
      ->assertEqual($result
      ->count(), 1);

    // We can't compare the values of the routes directly, nor use
    // spl_object_hash() because they are separate instances.
    $this
      ->assertEqual(serialize($result
      ->get('long_pattern')), serialize($collection
      ->get('long_pattern')), 'The right route was found.');

    // We now have a single candidate outline.
    $candidates = $provider
      ->getCandidateOutlines(explode('/', trim($path_to_test, '/')));
    $this
      ->assertCount(1, $candidates);

    // Longer and shorter patterns are not found. Both are longer than 3, so
    // we should not have any candidates either. The fact that we do not
    // get any candidates for a longer path is a security feature.
    $longer = '/test/1/test2/2/test3/3/4/5/6/test4/trailing/more/parts';
    $result = $provider
      ->getRoutesByPattern($longer);
    $this
      ->assertEqual($result
      ->count(), 0);
    $candidates = $provider
      ->getCandidateOutlines(explode('/', trim($longer, '/')));
    $this
      ->assertCount(1, $candidates);
    $shorter = '/test/1/test2/2/test3';
    $result = $provider
      ->getRoutesByPattern($shorter);
    $this
      ->assertEqual($result
      ->count(), 0);
    $candidates = $provider
      ->getCandidateOutlines(explode('/', trim($shorter, '/')));
    $this
      ->assertCount(0, $candidates);

    // This pattern has only 3 parts, so we will get candidates, but no routes.
    // This result is unchanged by running the dumper.
    $result = $provider
      ->getRoutesByPattern($shortest);
    $this
      ->assertEqual($result
      ->count(), 0);
    $candidates = $provider
      ->getCandidateOutlines(explode('/', trim($shortest, '/')));
    $this
      ->assertCount(7, $candidates);
  }

  /**
   * Tests getRoutesPaged().
   */
  public function testGetRoutesPaged() {
    $connection = Database::getConnection();
    $provider = new RouteProvider($connection, $this->state, $this->currentPath, $this->cache, $this->pathProcessor, $this->cacheTagsInvalidator, 'test_routes');
    $this->fixtures
      ->createTables($connection);
    $dumper = new MatcherDumper($connection, $this->state, 'test_routes');
    $dumper
      ->addRoutes($this->fixtures
      ->sampleRouteCollection());
    $dumper
      ->dump();
    $fixture_routes = $this->fixtures
      ->staticSampleRouteCollection();

    // Query all the routes.
    $routes = $provider
      ->getRoutesPaged(0);
    $this
      ->assertEqual(array_keys($routes), array_keys($fixture_routes));

    // Query non routes.
    $routes = $provider
      ->getRoutesPaged(0, 0);
    $this
      ->assertEqual(array_keys($routes), []);

    // Query a limited sets of routes.
    $routes = $provider
      ->getRoutesPaged(1, 2);
    $this
      ->assertEqual(array_keys($routes), array_slice(array_keys($fixture_routes), 1, 2));
  }

}
class TestRouteProvider extends RouteProvider {
  public function getCandidateOutlines(array $parts) {
    return parent::getCandidateOutlines($parts);
  }

}
Classes

Name	Description
RouteProviderTest	Confirm that the default route provider is working correctly.
TestRouteProvider
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