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mod simple_value {
use serde::{Deserialize, Serialize};
use serde_dhall::{
from_str, serialize, FromDhall, NumKind, SimpleValue, ToDhall, Value,
};
fn assert_de<T>(s: &str, x: T)
where
T: FromDhall + PartialEq + std::fmt::Debug,
{
assert_eq!(from_str(s).parse::<T>().map_err(|e| e.to_string()), Ok(x));
}
fn assert_ser<T>(s: &str, x: T)
where
T: ToDhall + PartialEq + std::fmt::Debug,
{
assert_eq!(
serialize(&x).to_string().map_err(|e| e.to_string()),
Ok(s.to_string())
);
}
fn assert_serde<T>(s: &str, x: T)
where
T: ToDhall + FromDhall + PartialEq + std::fmt::Debug + Clone,
{
assert_de(s, x.clone());
assert_ser(s, x);
}
#[test]
fn test_serde() {
let bool_true = SimpleValue::Num(NumKind::Bool(true));
// https://github.com/Nadrieril/dhall-rust/issues/184
assert_serde("[True]", vec![bool_true.clone()]);
assert_de("< Foo >.Foo", SimpleValue::Union("Foo".into(), None));
assert_de(
"< Foo: Bool >.Foo True",
SimpleValue::Union("Foo".into(), Some(Box::new(bool_true.clone()))),
);
assert_eq!(
serialize(&SimpleValue::Union("Foo".into(), None)).to_string().map_err(|e| e.to_string()),
Err("cannot serialize value without a type annotation: Union(\"Foo\", None)".to_string())
);
#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
struct Foo {
foo: SimpleValue,
}
assert_serde(
"{ foo = True }",
Foo {
foo: bool_true.clone(),
},
);
// Neither a simple value or a simple type.
let not_simple = "Type → Type";
assert_eq!(
from_str(not_simple)
.parse::<Value>()
.map_err(|e| e.to_string()),
Err(format!(
"this is neither a simple type nor a simple value: {}",
not_simple
))
);
}
}
|
