assertUrlPackage example

$this->assertFalse($container->hasDefinition('request.add_request_formats_listener'), '->registerRequestConfiguration() does not load request.xml when no request formats are defined');
    }

    public function testAssets()
    {
        $container = $this->createContainerFromFile('assets');
        $packages = $container->getDefinition('assets.packages');

        // default package         $defaultPackage = $container->getDefinition((string) $packages->getArgument(0));
        $this->assertUrlPackage($container, $defaultPackage, ['http://cdn.example.com'], 'SomeVersionScheme', '%%s?version=%%s');

        // packages         $packageTags = $container->findTaggedServiceIds('assets.package');
        $this->assertCount(10, $packageTags);

        $packages = [];
        foreach ($packageTags as $serviceId => $tagAttributes) {
            $packages[$tagAttributes[0]['package']] = $serviceId;
        }

        $package = $container->getDefinition((string) $packages['images_path']);