a0f406e26b
* Upgrade Eth types ethereum-types -> 0.9.2 rlp -> 0.4.6 keccak-hash -> 0.5.0 parity-crypto -> 0.6.2 ethabi -> 0.12.0 ethabi-derive -> 0.12.0 ethabi-contract -> 0.11.0 ethbloom -> 0.9.1 rand -> 0.7.3 trie-standardmap -> 0.15.2 triehash -> 0.5.0 * backport #10714. Small changes, merge fixes Co-authored-by: mdben1247 <mdben1247@users.noreply.github.com>
86 lines
3.0 KiB
Rust
86 lines
3.0 KiB
Rust
// Copyright 2015-2020 Parity Technologies (UK) Ltd.
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// This file is part of OpenEthereum.
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// OpenEthereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// OpenEthereum is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with OpenEthereum. If not, see <http://www.gnu.org/licenses/>.
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use std::sync::{atomic, Arc};
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use jsonrpc_core::{
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self as core,
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futures::{self, Future, Stream},
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MetaIoHandler,
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};
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use jsonrpc_pubsub::Session;
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use parity_runtime::Runtime;
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use v1::{Metadata, PubSub, PubSubClient};
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fn rpc() -> MetaIoHandler<Metadata, core::NoopMiddleware> {
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let mut io = MetaIoHandler::default();
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let called = atomic::AtomicBool::new(false);
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io.add_method("hello", move |_| {
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if !called.load(atomic::Ordering::SeqCst) {
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called.store(true, atomic::Ordering::SeqCst);
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Ok(core::Value::String("hello".into()))
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} else {
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Ok(core::Value::String("world".into()))
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}
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});
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io
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}
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#[test]
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fn should_subscribe_to_a_method() {
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// given
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let el = Runtime::with_thread_count(1);
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let rpc = rpc();
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let pubsub = PubSubClient::new_test(rpc, el.executor()).to_delegate();
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let mut io = MetaIoHandler::default();
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io.extend_with(pubsub);
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let mut metadata = Metadata::default();
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let (sender, receiver) = futures::sync::mpsc::channel(8);
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metadata.session = Some(Arc::new(Session::new(sender)));
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// Subscribe
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let request =
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r#"{"jsonrpc": "2.0", "method": "parity_subscribe", "params": ["hello", []], "id": 1}"#;
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let response = r#"{"jsonrpc":"2.0","result":"0x43ca64edf03768e1","id":1}"#;
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assert_eq!(
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io.handle_request_sync(request, metadata.clone()),
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Some(response.to_owned())
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);
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// Check notifications
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let (res, receiver) = receiver.into_future().wait().unwrap();
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let response = r#"{"jsonrpc":"2.0","method":"parity_subscription","params":{"result":"hello","subscription":"0x43ca64edf03768e1"}}"#;
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assert_eq!(res, Some(response.into()));
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let (res, receiver) = receiver.into_future().wait().unwrap();
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let response = r#"{"jsonrpc":"2.0","method":"parity_subscription","params":{"result":"world","subscription":"0x43ca64edf03768e1"}}"#;
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assert_eq!(res, Some(response.into()));
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// And unsubscribe
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let request = r#"{"jsonrpc": "2.0", "method": "parity_unsubscribe", "params": ["0x43ca64edf03768e1"], "id": 1}"#;
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let response = r#"{"jsonrpc":"2.0","result":true,"id":1}"#;
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assert_eq!(
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io.handle_request_sync(request, metadata),
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Some(response.to_owned())
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);
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let (res, _receiver) = receiver.into_future().wait().unwrap();
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assert_eq!(res, None);
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}
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