class RequestFormatRouteFilterTest

class RequestFormatRouteFilterTest extends UnitTestCase {
    
    /**
     * @covers ::filter
     * @dataProvider filterProvider
     */
    public function testFilter(RouteCollection $collection, $request_format, array $expected_filtered_collection) {
        $route_filter = new RequestFormatRouteFilter();
        $request = new Request();
        $request->setRequestFormat($request_format);
        $collection = $route_filter->filter($collection, $request);
        $this->assertSameSize($expected_filtered_collection, $collection);
        $this->assertSame($expected_filtered_collection, array_keys($collection->all()));
    }
    public function filterProvider() {
        $route_without_format = new Route('/test');
        $route_with_format = new Route('/test');
        $route_with_format->setRequirement('_format', 'json');
        $route_with_multiple_formats = new Route('/test');
        $route_with_multiple_formats->setRequirement('_format', 'json|xml');
        $collection = new RouteCollection();
        $collection->add('test_0', $route_without_format);
        $collection->add('test_1', $route_with_format);
        $collection->add('test_2', $route_with_multiple_formats);
        $sole_route_match_single_format = new RouteCollection();
        $sole_route_match_single_format->add('sole_route_single_format', $route_with_format);
        return [
            'nothing requested' => [
                clone $collection,
                '',
                [
                    'test_0',
                ],
            ],
            'xml requested' => [
                clone $collection,
                'xml',
                [
                    'test_2',
                    'test_0',
                ],
            ],
            'json requested' => [
                clone $collection,
                'json',
                [
                    'test_1',
                    'test_2',
                    'test_0',
                ],
            ],
            'html format requested' => [
                clone $collection,
                'html',
                [
                    'test_0',
                ],
            ],
            'no format requested, defaults to html' => [
                clone $collection,
                NULL,
                [
                    'test_0',
                ],
            ],
            'no format requested, single route match with single format, defaults to that format' => [
                clone $sole_route_match_single_format,
                NULL,
                [
                    'sole_route_single_format',
                ],
            ],
        ];
    }
    
    /**
     * @covers ::filter
     */
    public function testNoRouteFound() {
        $url = $this->prophesize(GeneratedUrl::class);
        $url_assembler = $this->prophesize(UnroutedUrlAssemblerInterface::class);
        $url_assembler->assemble('http://localhost/test?_format=xml', [
            'query' => [
                '_format' => 'json',
            ],
            'external' => TRUE,
        ], TRUE)
            ->willReturn($url);
        $container = new ContainerBuilder();
        $container->set('unrouted_url_assembler', $url_assembler->reveal());
        \Drupal::setContainer($container);
        $collection = new RouteCollection();
        $route_with_format = new Route('/test');
        $route_with_format->setRequirement('_format', 'json');
        $collection->add('test_0', $route_with_format);
        $collection->add('test_1', clone $route_with_format);
        $request = Request::create('test?_format=xml', 'GET');
        $request->setRequestFormat('xml');
        $route_filter = new RequestFormatRouteFilter();
        $this->expectException(NotAcceptableHttpException::class);
        $this->expectExceptionMessage('No route found for the specified format xml.');
        $route_filter->filter($collection, $request);
    }
    
    /**
     * @covers ::filter
     */
    public function testNoRouteFoundWhenNoRequestFormatAndSingleRouteWithMultipleFormats() {
        $this->expectException(NotAcceptableHttpException::class);
        $this->expectExceptionMessage('No route found for the specified format html.');
        $url = $this->prophesize(GeneratedUrl::class);
        $url_assembler = $this->prophesize(UnroutedUrlAssemblerInterface::class);
        $url_assembler->assemble('http://localhost/test', [
            'query' => [
                '_format' => 'json',
            ],
            'external' => TRUE,
        ], TRUE)
            ->willReturn($url);
        $url_assembler->assemble('http://localhost/test', [
            'query' => [
                '_format' => 'xml',
            ],
            'external' => TRUE,
        ], TRUE)
            ->willReturn($url);
        $container = new ContainerBuilder();
        $container->set('unrouted_url_assembler', $url_assembler->reveal());
        \Drupal::setContainer($container);
        $collection = new RouteCollection();
        $route_with_format = new Route('/test');
        $route_with_format->setRequirement('_format', 'json|xml');
        $collection->add('sole_route_multiple_formats', $route_with_format);
        $request = Request::create('test', 'GET');
        $route_filter = new RequestFormatRouteFilter();
        $route_filter->filter($collection, $request);
    }

}