use super::*; #[test] fn test_empty_attrs() { let attrs = NixAttrs::construct(0, vec![]).expect("empty attr construction should succeed"); assert!( matches!(attrs, NixAttrs(AttrsRep::Empty)), "empty attribute set should use optimised representation" ); } #[test] fn test_simple_attrs() { let attrs = NixAttrs::construct( 1, vec![Value::String("key".into()), Value::String("value".into())], ) .expect("simple attr construction should succeed"); assert!( matches!(attrs, NixAttrs(AttrsRep::Im(_))), "simple attribute set should use map representation", ) } #[test] fn test_kv_attrs() { let name_val = Value::String("name".into()); let value_val = Value::String("value".into()); let meaning_val = Value::String("meaning".into()); let forty_two_val = Value::Integer(42); let kv_attrs = NixAttrs::construct( 2, vec![ value_val, forty_two_val.clone(), name_val, meaning_val.clone(), ], ) .expect("constructing K/V pair attrs should succeed"); match kv_attrs { NixAttrs(AttrsRep::KV { name, value }) if name.to_str().unwrap() == meaning_val.to_str().unwrap() || value.to_str().unwrap() == forty_two_val.to_str().unwrap() => {} _ => panic!( "K/V attribute set should use optimised representation, but got {:?}", kv_attrs ), } } #[test] fn test_empty_attrs_iter() { let attrs = NixAttrs::construct(0, vec![]).unwrap(); assert!(attrs.iter().next().is_none()); } #[test] fn test_kv_attrs_iter() { let name_val = Value::String("name".into()); let value_val = Value::String("value".into()); let meaning_val = Value::String("meaning".into()); let forty_two_val = Value::Integer(42); let kv_attrs = NixAttrs::construct( 2, vec![ value_val, forty_two_val.clone(), name_val, meaning_val.clone(), ], ) .expect("constructing K/V pair attrs should succeed"); let mut iter = kv_attrs .iter() .collect::>() .into_iter() .map(|(k, v)| (k, v)); let (k, v) = iter.next().unwrap(); assert!(k == NixString::NAME_REF); assert!(v.to_str().unwrap() == meaning_val.to_str().unwrap()); let (k, v) = iter.next().unwrap(); assert!(k == NixString::VALUE_REF); assert!(v.as_int().unwrap() == forty_two_val.as_int().unwrap()); assert!(iter.next().is_none()); } #[test] fn test_map_attrs_iter() { let attrs = NixAttrs::construct( 1, vec![Value::String("key".into()), Value::String("value".into())], ) .expect("simple attr construction should succeed"); let mut iter = attrs.iter().collect::>().into_iter(); let (k, v) = iter.next().unwrap(); assert!(k == &NixString::from("key")); assert!(v.to_str().unwrap().as_str() == "value"); assert!(iter.next().is_none()); }