AcmeExtension example

$dumper = new PhpDumper($container);
        $this->assertStringEqualsFile($fixtures.'/php/services_closure_argument_compiled.php', $dumper->dump());
    }

    /** * @dataProvider provideConfig */
    public function testConfig($file)
    {
        $fixtures = realpath(__DIR__.'/../Fixtures');
        $container = new ContainerBuilder();
        $container->registerExtension(new \AcmeExtension());
        $loader = new PhpFileLoader($container, new FileLocator(), 'prod', new ConfigBuilderGenerator(sys_get_temp_dir()));
        $loader->load($fixtures.'/config/'.$file.'.php');

        $container->compile();

        $dumper = new YamlDumper($container);
        $this->assertStringMatchesFormatFile($fixtures.'/config/'.$file.'.expected.yml', $dumper->dump());
    }

    public static function provideConfig()
    {