Newer
Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
// Copyright 2021 Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Polkadot is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Polkadot. If not, see <http://www.gnu.org/licenses/>.
use super::*;
use polkadot_node_subsystem_test_helpers::*;
use polkadot_node_subsystem::{
messages::{AllMessages, AvailabilityStoreMessage},
overseer::{gen::TimeoutExt, Subsystem},
DummySubsystem,
};
#[derive(Clone, Debug)]
struct BlackHoleInterceptor;
impl<Sender> MessageInterceptor<Sender> for BlackHoleInterceptor
where
Sender: overseer::SubsystemSender<AllMessages>
+ overseer::SubsystemSender<AvailabilityStoreMessage>
+ Clone
+ 'static,
{
type Message = AvailabilityStoreMessage;
fn intercept_incoming(
&self,
_sender: &mut Sender,
msg: FromOverseer<Self::Message>,
) -> Option<FromOverseer<Self::Message>> {
match msg {
FromOverseer::Communication { msg: _msg } => None,
// to conclude the test cleanly
sig => Some(sig),
}
}
}
async fn overseer_send<T: Into<AllMessages>>(overseer: &mut TestSubsystemContextHandle<T>, msg: T) {
overseer.send(FromOverseer::Communication { msg }).await;
}
#[test]
fn integrity_test() {
let pool = sp_core::testing::TaskExecutor::new();
let (context, mut overseer) = make_subsystem_context(pool);
let sub = DummySubsystem;
let sub_intercepted = InterceptedSubsystem::new(sub, BlackHoleInterceptor);
// Try to send a message we know is going to be filtered.
let test_fut = async move {
let (tx, rx) = futures::channel::oneshot::channel();
overseer_send(
&mut overseer,
AvailabilityStoreMessage::QueryChunk(Default::default(), 0.into(), tx),
)
.await;
let _ = rx.timeout(std::time::Duration::from_millis(100)).await.unwrap();
overseer
};
let subsystem = async move {
sub_intercepted.start(context).future.await.unwrap();
};
futures::pin_mut!(test_fut);
futures::pin_mut!(subsystem);
futures::executor::block_on(futures::future::join(
async move {
let mut overseer = test_fut.await;
overseer.send(FromOverseer::Signal(OverseerSignal::Conclude)).await;
},
subsystem,
))
.1;
}