mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-04-27 09:17:58 +00:00
Vivek Pandya
bc53b9a03a
* Change copyright year to 2023 from 2022 * Fix incorrect update of copyright year * Remove years from copy right header * Fix remaining files * Fix typo in a header and remove update-copyright.sh
53 lines
1.7 KiB
Rust
53 lines
1.7 KiB
Rust
// This file is part of Substrate.
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// Copyright (C) Parity Technologies (UK) Ltd.
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// SPDX-License-Identifier: GPL-3.0-or-later WITH Classpath-exception-2.0
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// This program 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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// This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
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use super::*;
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use futures::StreamExt;
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#[derive(Clone)]
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pub struct DummyTracingKey;
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impl TracingKeyStr for DummyTracingKey {
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const TRACING_KEY: &'static str = "test_notification_stream";
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}
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type StringStream = NotificationStream<String, DummyTracingKey>;
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#[test]
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fn notification_channel_simple() {
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let (sender, stream) = StringStream::channel();
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let test_payload = String::from("test payload");
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let closure_payload = test_payload.clone();
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// Create a future to receive a single notification
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// from the stream and verify its payload.
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let future = stream.subscribe(100_000).take(1).for_each(move |payload| {
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let test_payload = closure_payload.clone();
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async move {
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assert_eq!(payload, test_payload);
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}
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});
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// Send notification.
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let r: std::result::Result<(), ()> = sender.notify(|| Ok(test_payload));
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r.unwrap();
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// Run receiver future.
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tokio_test::block_on(future);
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}
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