function RouteProviderTest::testGetRoutesByPatternWithLongPatterns

Ensures that the routing system is capable of extreme long patterns.

File

core/tests/Drupal/KernelTests/Core/Routing/RouteProviderTest.php, line 697

Class

RouteProviderTest

Confirm that the default route provider is working correctly.

Namespace

Code

public function testGetRoutesByPatternWithLongPatterns() : void {
    $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->assertEquals(0, $result->count());
    $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->assertEquals(0, $result->count());
    $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, $this->logger, '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->assertEquals(1, $result->count());
    // We can't compare the values of the routes directly, nor use
    // spl_object_hash() because they are separate instances.
    $this->assertEquals(serialize($collection->get('long_pattern')), serialize($result->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->assertEquals(0, $result->count());
    $candidates = $provider->getCandidateOutlines(explode('/', trim($longer, '/')));
    $this->assertCount(1, $candidates);
    $shorter = '/test/1/test2/2/test3';
    $result = $provider->getRoutesByPattern($shorter);
    $this->assertEquals(0, $result->count());
    $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->assertEquals(0, $result->count());
    $candidates = $provider->getCandidateOutlines(explode('/', trim($shortest, '/')));
    $this->assertCount(7, $candidates);
}