use domain::value_objects::SystemId;
use uuid::Uuid;

#[test]
fn unique_generation() {
    let a = SystemId::new();
    let b = SystemId::new();
    assert_ne!(a, b);
}

#[test]
fn uuid_roundtrip() {
    let uuid = Uuid::new_v4();
    let id = SystemId::from_uuid(uuid);
    assert_eq!(*id.as_uuid(), uuid);
}

#[test]
fn display_matches_uuid() {
    let uuid = Uuid::new_v4();
    let id = SystemId::from_uuid(uuid);
    assert_eq!(id.to_string(), uuid.to_string());
}

#[test]
fn serde_roundtrip() {
    let id = SystemId::new();
    let json = serde_json::to_string(&id).unwrap();
    let back: SystemId = serde_json::from_str(&json).unwrap();
    assert_eq!(id, back);
}