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// Copyright 2019-2021 Parity Technologies (UK) Ltd.
//
// Permission is hereby granted, free of charge, to any
// person obtaining a copy of this software and associated
// documentation files (the "Software"), to deal in the
// Software without restriction, including without
// limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software
// is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice
// shall be included in all copies or substantial portions
// of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
// ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
// TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
// PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
// SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
// IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
use crate::types::error::{ErrorCode, ErrorObject};
use jsonrpsee_core::client::{BatchResponse, ClientT, SubscriptionClientT};
use jsonrpsee_core::client::{IdKind, Subscription};
use jsonrpsee_core::params::BatchRequestBuilder;
use jsonrpsee_core::{rpc_params, DeserializeOwned, Error};
use jsonrpsee_test_utils::helpers::*;
use jsonrpsee_test_utils::mocks::{Id, WebSocketTestServer};
use jsonrpsee_test_utils::TimeoutFutureExt;
use jsonrpsee_types::error::{CallError, ErrorObjectOwned};
use serde_json::Value as JsonValue;
fn init_logger() {
let _ = tracing_subscriber::FmtSubscriber::builder()
.with_env_filter(tracing_subscriber::EnvFilter::from_default_env())
.try_init();
}
#[tokio::test]
async fn method_call_works() {
let result = run_request_with_response(ok_response("hello".into(), Id::Num(0)))
.with_default_timeout()
.await
.unwrap()
.unwrap();
assert_eq!("hello", &result);
}
#[tokio::test]
async fn method_call_with_wrong_id_kind() {
let exp = "id as string";
let server = WebSocketTestServer::with_hardcoded_response(
"127.0.0.1:0".parse().unwrap(),
ok_response(exp.into(), Id::Num(0)),
)
.with_default_timeout()
.await
.unwrap();
let uri = format!("ws://{}", server.local_addr());
let client =
WsClientBuilder::default().id_format(IdKind::String).build(&uri).with_default_timeout().await.unwrap().unwrap();
let err: Result<String, Error> = client.request("o", rpc_params![]).with_default_timeout().await.unwrap();
assert!(matches!(err, Err(Error::RestartNeeded(e)) if e == "Invalid request ID"));
}
#[tokio::test]
async fn method_call_with_id_str() {
let exp = "id as string";
let server = WebSocketTestServer::with_hardcoded_response(
"127.0.0.1:0".parse().unwrap(),
ok_response(exp.into(), Id::Str("0".into())),
)
.with_default_timeout()
.await
.unwrap();
let uri = format!("ws://{}", server.local_addr());
let client =
WsClientBuilder::default().id_format(IdKind::String).build(&uri).with_default_timeout().await.unwrap().unwrap();
let response: String = client.request("o", rpc_params![]).with_default_timeout().await.unwrap().unwrap();
assert_eq!(&response, exp);
}
#[tokio::test]
async fn notif_works() {
// this empty string shouldn't be read because the server shouldn't respond to notifications.
let server = WebSocketTestServer::with_hardcoded_response("127.0.0.1:0".parse().unwrap(), String::new())
.with_default_timeout()
.await
.unwrap();
let uri = to_ws_uri_string(server.local_addr());
let client = WsClientBuilder::default().build(&uri).with_default_timeout().await.unwrap().unwrap();
assert!(client.notification("notif", rpc_params![]).with_default_timeout().await.unwrap().is_ok());
async fn response_with_wrong_id() {
let err = run_request_with_response(ok_response("hello".into(), Id::Num(99)))
.with_default_timeout()
.await
.unwrap()
.unwrap_err();
assert!(matches!(err, Error::RestartNeeded(_)));
}
#[tokio::test]
async fn response_method_not_found() {
let err =
run_request_with_response(method_not_found(Id::Num(0))).with_default_timeout().await.unwrap().unwrap_err();
assert_error_response(err, ErrorObject::from(ErrorCode::MethodNotFound).into_owned());
}
#[tokio::test]
async fn parse_error_works() {
let err = run_request_with_response(parse_error(Id::Num(0))).with_default_timeout().await.unwrap().unwrap_err();
assert_error_response(err, ErrorObject::from(ErrorCode::ParseError).into_owned());
}
#[tokio::test]
async fn invalid_request_works() {
let err =
run_request_with_response(invalid_request(Id::Num(0_u64))).with_default_timeout().await.unwrap().unwrap_err();
assert_error_response(err, ErrorObject::from(ErrorCode::InvalidRequest).into_owned());
}
#[tokio::test]
async fn invalid_params_works() {
let err =
run_request_with_response(invalid_params(Id::Num(0_u64))).with_default_timeout().await.unwrap().unwrap_err();
assert_error_response(err, ErrorObject::from(ErrorCode::InvalidParams).into_owned());
}
#[tokio::test]
async fn internal_error_works() {
let err =
run_request_with_response(internal_error(Id::Num(0_u64))).with_default_timeout().await.unwrap().unwrap_err();
assert_error_response(err, ErrorObject::from(ErrorCode::InternalError).into_owned());
}
#[tokio::test]
async fn subscription_works() {
let server = WebSocketTestServer::with_hardcoded_subscription(
"127.0.0.1:0".parse().unwrap(),
server_subscription_id_response(Id::Num(0)),
server_subscription_response(JsonValue::String("hello my friend".to_owned())),
.with_default_timeout()
.await
.unwrap();
let uri = to_ws_uri_string(server.local_addr());
let client = WsClientBuilder::default().build(&uri).with_default_timeout().await.unwrap().unwrap();
let mut sub: Subscription<String> = client
.subscribe("subscribe_hello", rpc_params![], "unsubscribe_hello")
.with_default_timeout()
.await
.unwrap()
.unwrap();
let response: String = sub.next().with_default_timeout().await.unwrap().unwrap().unwrap();
assert_eq!("hello my friend".to_owned(), response);
}
}
#[tokio::test]
async fn notification_handler_works() {
let server = WebSocketTestServer::with_hardcoded_notification(
"127.0.0.1:0".parse().unwrap(),
server_notification("test", "server originated notification works".into()),
)
.with_default_timeout()
.await
.unwrap();
let uri = to_ws_uri_string(server.local_addr());
let client = WsClientBuilder::default().build(&uri).with_default_timeout().await.unwrap().unwrap();
let mut nh: Subscription<String> =
client.subscribe_to_method("test").with_default_timeout().await.unwrap().unwrap();
let response: String = nh.next().with_default_timeout().await.unwrap().unwrap().unwrap();
assert_eq!("server originated notification works".to_owned(), response);
}
}
#[tokio::test]
async fn notification_without_polling_doesnt_make_client_unuseable() {
let server = WebSocketTestServer::with_hardcoded_notification(
"127.0.0.1:0".parse().unwrap(),
server_notification("test", "server originated notification".into()),
)
.with_default_timeout()
.await
.unwrap();
let uri = to_ws_uri_string(server.local_addr());
let client = WsClientBuilder::default()
.max_notifs_per_subscription(4)
.build(&uri)
.with_default_timeout()
.await
.unwrap()
.unwrap();
let mut nh: Subscription<String> =
client.subscribe_to_method("test").with_default_timeout().await.unwrap().unwrap();
// don't poll the notification stream for 2 seconds, should be full now.
tokio::time::sleep(std::time::Duration::from_secs(2)).await;
// Capacity is `num_sender` + `capacity`
for _ in 0..5 {
assert!(nh.next().with_default_timeout().await.unwrap().unwrap().is_ok());
}
// NOTE: this is now unuseable and unregistered.
assert!(nh.next().with_default_timeout().await.unwrap().is_none());
// The same subscription should be possible to register again.
let mut other_nh: Subscription<String> =
client.subscribe_to_method("test").with_default_timeout().await.unwrap().unwrap();
// check that the new subscription works.
assert!(other_nh.next().with_default_timeout().await.unwrap().unwrap().is_ok());
assert!(client.is_connected());
#[tokio::test]
async fn batch_request_works() {
let mut batch_request = BatchRequestBuilder::new();
batch_request.insert("say_hello", rpc_params![]).unwrap();
batch_request.insert("say_goodbye", rpc_params![0_u64, 1, 2]).unwrap();
batch_request.insert("get_swag", rpc_params![]).unwrap();
let server_response = r#"[{"jsonrpc":"2.0","result":"hello","id":0}, {"jsonrpc":"2.0","result":"goodbye","id":1}, {"jsonrpc":"2.0","result":"here's your swag","id":2}]"#.to_string();
let batch_response = run_batch_request_with_response::<String>(batch_request, server_response)
.with_default_timeout()
.await
.unwrap()
.unwrap();
assert_eq!(batch_response.num_successful_calls(), 3);
let results: Vec<String> = batch_response.into_ok().unwrap().collect();
assert_eq!(results, vec!["hello".to_string(), "goodbye".to_string(), "here's your swag".to_string()]);
}
#[tokio::test]
async fn batch_request_out_of_order_response() {
let mut batch_request = BatchRequestBuilder::new();
batch_request.insert("say_hello", rpc_params![]).unwrap();
batch_request.insert("say_goodbye", rpc_params![0_u64, 1, 2]).unwrap();
batch_request.insert("get_swag", rpc_params![]).unwrap();
let server_response = r#"[{"jsonrpc":"2.0","result":"here's your swag","id":2}, {"jsonrpc":"2.0","result":"hello","id":0}, {"jsonrpc":"2.0","result":"goodbye","id":1}]"#.to_string();
let res = run_batch_request_with_response::<String>(batch_request, server_response)
.with_default_timeout()
.await
.unwrap()
.unwrap();
assert_eq!(res.num_successful_calls(), 3);
assert_eq!(res.num_failed_calls(), 0);
assert_eq!(res.len(), 3);
let response: Vec<_> = res.into_ok().unwrap().collect();
assert_eq!(response, vec!["hello".to_string(), "goodbye".to_string(), "here's your swag".to_string()]);
}
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#[tokio::test]
async fn batch_request_with_failed_call_works() {
let mut batch_request = BatchRequestBuilder::new();
batch_request.insert("say_hello", rpc_params![]).unwrap();
batch_request.insert("say_goodbye", rpc_params![0_u64, 1, 2]).unwrap();
batch_request.insert("get_swag", rpc_params![]).unwrap();
let server_response = r#"[{"jsonrpc":"2.0","result":"hello","id":0}, {"jsonrpc":"2.0","error":{"code":-32601,"message":"Method not found"},"id":1}, {"jsonrpc":"2.0","result":"here's your swag","id":2}]"#.to_string();
let res = run_batch_request_with_response::<String>(batch_request, server_response)
.with_default_timeout()
.await
.unwrap()
.unwrap();
assert_eq!(res.num_successful_calls(), 2);
assert_eq!(res.num_failed_calls(), 1);
assert_eq!(res.len(), 3);
let successful_calls: Vec<_> = res.iter().filter_map(|r| r.as_ref().ok()).collect();
let failed_calls: Vec<_> = res
.iter()
.filter_map(|r| match r {
Err(e) => Some(e),
_ => None,
})
.collect();
assert_eq!(successful_calls, vec!["hello", "here's your swag"]);
assert_eq!(failed_calls, vec![&ErrorObject::from(ErrorCode::MethodNotFound)]);
}
#[tokio::test]
async fn batch_request_with_untagged_enum_works() {
use serde::Deserialize;
#[derive(Deserialize, Clone, Debug, PartialEq)]
#[serde(untagged)]
enum Custom {
Text(String),
Number(u8),
}
impl Default for Custom {
fn default() -> Self {
Self::Number(0)
}
}
let mut batch_request = BatchRequestBuilder::new();
batch_request.insert("text", rpc_params![]).unwrap();
batch_request.insert("binary", rpc_params![0_u64, 1, 2]).unwrap();
let server_response =
r#"[{"jsonrpc":"2.0","result":"hello","id":0}, {"jsonrpc":"2.0","result":13,"id":1}]"#.to_string();
let res = run_batch_request_with_response::<Custom>(batch_request, server_response)
.with_default_timeout()
.await
.unwrap()
.unwrap();
assert_eq!(res.num_successful_calls(), 2);
assert_eq!(res.num_failed_calls(), 0);
assert_eq!(res.len(), 2);
let response: Vec<_> = res.into_ok().unwrap().collect();
assert_eq!(response, vec![Custom::Text("hello".to_string()), Custom::Number(13)]);
}
#[tokio::test]
async fn batch_request_with_failed_call_gives_proper_error() {
let mut batch_request = BatchRequestBuilder::new();
batch_request.insert("say_hello", rpc_params![]).unwrap();
batch_request.insert("say_goodbye", rpc_params![0_u64, 1, 2]).unwrap();
batch_request.insert("get_swag", rpc_params![]).unwrap();
let server_response = r#"[{"jsonrpc":"2.0","result":"hello","id":0}, {"jsonrpc":"2.0","error":{"code":-32601,"message":"Method not found"},"id":1}, {"jsonrpc":"2.0","error":{"code":-32602,"message":"foo"},"id":2}]"#.to_string();
let res = run_batch_request_with_response::<String>(batch_request, server_response)
.with_default_timeout()
.await
.unwrap()
.unwrap();
let err: Vec<_> = res.into_ok().unwrap_err().collect();
assert_eq!(err, vec![ErrorObject::from(ErrorCode::MethodNotFound), ErrorObject::borrowed(-32602, &"foo", None)]);
}
#[tokio::test]
async fn is_connected_works() {
let server = WebSocketTestServer::with_hardcoded_response(
"127.0.0.1:0".parse().unwrap(),
ok_response(JsonValue::String("foo".into()), Id::Num(99_u64)),
)
.with_default_timeout()
.await
.unwrap();
let uri = to_ws_uri_string(server.local_addr());
let client = WsClientBuilder::default().build(&uri).with_default_timeout().await.unwrap().unwrap();
assert!(client.is_connected());
let res: Result<String, Error> = client.request("say_hello", rpc_params![]).with_default_timeout().await.unwrap();
res.unwrap_err();
// give the background thread some time to terminate.
tokio::time::sleep(std::time::Duration::from_millis(100)).await;
assert!(!client.is_connected())
}
async fn run_batch_request_with_response<T: Send + DeserializeOwned + std::fmt::Debug + 'static>(
batch: BatchRequestBuilder<'_>,
) -> Result<BatchResponse<T>, Error> {
let server = WebSocketTestServer::with_hardcoded_response("127.0.0.1:0".parse().unwrap(), response)
.with_default_timeout()
.await
.unwrap();
let uri = to_ws_uri_string(server.local_addr());
let client = WsClientBuilder::default().build(&uri).with_default_timeout().await.unwrap().unwrap();
client.batch_request(batch).with_default_timeout().await.unwrap()
async fn run_request_with_response(response: String) -> Result<String, Error> {
let server = WebSocketTestServer::with_hardcoded_response("127.0.0.1:0".parse().unwrap(), response)
.with_default_timeout()
.await
.unwrap();
let uri = format!("ws://{}", server.local_addr());
let client = WsClientBuilder::default().build(&uri).with_default_timeout().await.unwrap().unwrap();
client.request("say_hello", rpc_params![]).with_default_timeout().await.unwrap()
fn assert_error_response(err: Error, exp: ErrorObjectOwned) {
let exp = CallError::Custom(exp);
Error::Call(e) => {
assert_eq!(e.to_string(), exp.to_string());
}
e => panic!("Expected error: \"{}\", got: {:?}", err, e),
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#[tokio::test]
async fn redirections() {
let expected = "abc 123";
let server = WebSocketTestServer::with_hardcoded_response(
"127.0.0.1:0".parse().unwrap(),
ok_response(expected.into(), Id::Num(0)),
)
.with_default_timeout()
.await
.unwrap();
let server_url = format!("ws://{}", server.local_addr());
let redirect_url = jsonrpsee_test_utils::mocks::ws_server_with_redirect(server_url);
// The client will first connect to a server that only performs re-directions and finally
// redirect to another server to complete the handshake.
let client = WsClientBuilder::default().build(&redirect_url).with_default_timeout().await;
// It's an ok client
let client = match client {
Ok(Ok(client)) => client,
Ok(Err(e)) => panic!("WsClient builder failed with: {:?}", e),
Err(e) => panic!("WsClient builder timed out with: {:?}", e),
};
// It's connected
assert!(client.is_connected());
// It works
let response: String = client.request("anything", rpc_params![]).with_default_timeout().await.unwrap().unwrap();
assert_eq!(response, String::from(expected));