Add tests for params

Author: popzxc

types/src/v2/params.rs

@@ -195,3 +195,58 @@ impl Id {
 /// Untyped JSON-RPC ID.
 // TODO(niklasad1): this should be enforced to only accept: String, Number, or Null.
 pub type JsonRpcRawId<'a> = Option<&'a serde_json::value::RawValue>;
+
+#[cfg(test)]
+mod tests {
+	use super::*;
+
+	#[test]
+	fn two_point_zero_serde_works() {
+		let initial_ser = r#""2.0""#;
+		// The fact that it was deserialized is enough.
+		let two_point_zero: TwoPointZero = serde_json::from_str(initial_ser).unwrap();
+		let serialized = serde_json::to_string(&two_point_zero).unwrap();
+		assert_eq!(serialized, initial_ser);
+	}
+
+	#[test]
+	fn id_serde_works() {
+		let test_vector = &[("42", Id::Number(42)), (r#""one""#, Id::Str("one".into())), ("null", Id::Null)];
+
+		for (initial_ser, expected) in test_vector {
+			let id: Id = serde_json::from_str(initial_ser).unwrap();
+			assert_eq!(&id, expected);
+			let serialized = serde_json::to_string(&id).unwrap();
+			assert_eq!(&serialized, initial_ser);
+		}
+	}
+
+	#[test]
+	fn subscription_id_serde_works() {
+		let test_vector = &[("42", SubscriptionId::Num(42)), (r#""one""#, SubscriptionId::Str("one".into()))];
+
+		for (initial_ser, expected) in test_vector {
+			let id: SubscriptionId = serde_json::from_str(initial_ser).unwrap();
+			assert_eq!(&id, expected);
+			let serialized = serde_json::to_string(&id).unwrap();
+			assert_eq!(&serialized, initial_ser);
+		}
+	}
+
+	#[test]
+	fn params_serialize_works() {
+		let test_vector = &[
+			("null", JsonRpcParams::NoParams),
+			("[42,23]", JsonRpcParams::Array(serde_json::from_str("[42,23]").unwrap())),
+			(
+				r#"{"a":42,"b":null,"c":"aa"}"#,
+				JsonRpcParams::Map(serde_json::from_str(r#"{"a":42,"b":null,"c":"aa"}"#).unwrap()),
+			),
+		];
+
+		for (initial_ser, params) in test_vector {
+			let serialized = serde_json::to_string(params).unwrap();
+			assert_eq!(&serialized, initial_ser);
+		}
+	}
+}