#[cfg(all(feature = "anchors", feature = "async"))]
#[tokio::test]
async fn test_anchors_async() -> anyhow::Result<()> {
    use docker_compose_spec::DockerCompose;
    let _ = tracing_subscriber::fmt::try_init();
    let doc = DockerCompose::from_path("./tests/docker-compose-to-merge.yml").await;

    assert!(doc.is_ok());

    let svcs = doc?.services;

    let svc_envs = svcs.clone().get(&"etcd1".into()).map(|s| s.clone().environment.unwrap());

    assert!(svc_envs.is_some());

    let count = svcs.into_iter().filter(|s| s.1.environment == svc_envs).count();

    assert_eq!(count, 3);
    Ok(())
}