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#![crate_type = "lib"]
#![crate_type = "rlib"]
#![crate_type = "dylib"]
#![crate_name = "jsonrpc"]
#![deny(non_upper_case_globals)]
#![deny(non_camel_case_types)]
#![deny(non_snake_case)]
#![deny(unused_mut)]
#![warn(missing_docs)]
extern crate hyper;
extern crate serde;
#[macro_use]
extern crate serde_derive;
extern crate strason;
pub mod client;
pub mod error;
use strason::Json;
pub use error::Error;
#[derive(Debug, Clone, PartialEq, Deserialize, Serialize)]
pub struct Request {
pub method: String,
pub params: Vec<Json>,
pub id: Json,
pub jsonrpc: Option<String>
}
#[derive(Debug, Clone, PartialEq, Deserialize, Serialize)]
pub struct Response {
pub result: Option<Json>,
pub error: Option<error::RpcError>,
pub id: Json,
pub jsonrpc: Option<String>
}
impl Response {
pub fn result<T: serde::de::DeserializeOwned>(&self) -> Result<T, Error> {
if let Some(ref e) = self.error {
return Err(Error::Rpc(e.clone()));
}
match self.result {
Some(ref res) => res.clone().into_deserialize().map_err(Error::Json),
None => Err(Error::NoErrorOrResult)
}
}
pub fn into_result<T: serde::de::DeserializeOwned>(self) -> Result<T, Error> {
if let Some(e) = self.error {
return Err(Error::Rpc(e));
}
match self.result {
Some(ref res) => res.clone().into_deserialize().map_err(Error::Json),
None => Err(Error::NoErrorOrResult)
}
}
pub fn check_error(self) -> Result<(), Error> {
if let Some(e) = self.error {
Err(Error::Rpc(e))
} else {
Ok(())
}
}
pub fn is_none(&self) -> bool { self.result.is_none() }
}
#[cfg(test)]
mod tests {
use super::{Request, Response};
use super::error::RpcError;
use strason::Json;
#[test]
fn request_serialize_round_trip() {
let original = Request {
method: "test".to_owned(),
params: vec![From::from(()),
From::from(false),
From::from(true),
From::from("test2")],
id: From::from("69"),
jsonrpc: Some(String::from("2.0"))
};
let ser = Json::from_serialize(&original).unwrap();
let des = ser.into_deserialize().unwrap();
assert_eq!(original, des);
}
#[test]
fn response_serialize_round_trip() {
let original_err = RpcError {
code: -77,
message: "test4".to_owned(),
data: Some(From::from(true))
};
let original = Response {
result: Some(From::<Vec<Json>>::from(vec![From::from(()),
From::from(false),
From::from(true),
From::from("test2")])),
error: Some(original_err),
id: From::from(101),
jsonrpc: Some(String::from("2.0"))
};
let ser = Json::from_serialize(&original).unwrap();
let des = ser.into_deserialize().unwrap();
assert_eq!(original, des);
}
#[test]
fn response_is_none() {
let joanna = Response {
result: Some(From::from(true)),
error: None,
id: From::from(81),
jsonrpc: Some(String::from("2.0"))
};
let bill = Response {
result: None,
error: None,
id: From::from(66),
jsonrpc: Some(String::from("2.0"))
};
assert!(!joanna.is_none());
assert!(bill.is_none());
}
#[test]
fn response_extract() {
let obj = vec!["Mary", "had", "a", "little", "lamb"];
let response = Response {
result: Some(Json::from_serialize(&obj).unwrap()),
error: None,
id: From::from(()),
jsonrpc: Some(String::from("2.0"))
};
let recovered1: Vec<String> = response.result().unwrap();
assert!(response.clone().check_error().is_ok());
let recovered2: Vec<String> = response.into_result().unwrap();
assert_eq!(obj, recovered1);
assert_eq!(obj, recovered2);
}
}