mpvipc-async/tests/mock_socket_tests/set_property.rs

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use std::{panic, time::Duration};
use futures::{stream::FuturesUnordered, SinkExt, StreamExt};
use mpvipc::{Mpv, MpvError};
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use serde_json::{json, Value};
use test_log::test;
use tokio::{net::UnixStream, task::JoinHandle};
use tokio_util::codec::{Framed, LinesCodec, LinesCodecError};
fn test_socket(answers: Vec<String>) -> (UnixStream, JoinHandle<Result<(), LinesCodecError>>) {
let (socket, server) = UnixStream::pair().unwrap();
let join_handle = tokio::spawn(async move {
let mut framed = Framed::new(socket, LinesCodec::new());
for answer in answers {
framed.next().await;
framed.send(answer).await?;
}
Ok(())
});
(server, join_handle)
}
#[test(tokio::test)]
async fn test_set_property_successful() -> Result<(), MpvError> {
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let (server, join_handle) = test_socket(vec![
json!({ "data": null, "request_id": 0, "error": "success" }).to_string(),
]);
let mpv = Mpv::connect_socket(server).await?;
mpv.set_property("volume", 64.0).await?;
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join_handle.await.unwrap().unwrap();
Ok(())
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}
#[test(tokio::test)]
async fn test_set_property_broken_pipe() -> Result<(), MpvError> {
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let (server, join_handle) = test_socket(vec![]);
let mpv = Mpv::connect_socket(server).await?;
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let maybe_set_volume = mpv.set_property("volume", 64.0).await;
assert_eq!(
maybe_set_volume,
Err(MpvError::MpvSocketConnectionError(
"Broken pipe (os error 32)".to_string()
))
);
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join_handle.await.unwrap().unwrap();
Ok(())
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}
#[test(tokio::test)]
async fn test_set_property_wrong_type() -> Result<(), MpvError> {
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let (server, join_handle) = test_socket(vec![
json!({"request_id":0,"error":"unsupported format for accessing property"}).to_string(),
]);
let mpv = Mpv::connect_socket(server).await?;
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let maybe_volume = mpv.set_property::<bool>("volume", true).await;
assert_eq!(
maybe_volume,
Err(MpvError::MpvError(
"unsupported format for accessing property".to_string()
))
);
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join_handle.await.unwrap().unwrap();
Ok(())
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}
#[test(tokio::test)]
async fn test_get_property_error() -> Result<(), MpvError> {
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let (server, join_handle) = test_socket(vec![
json!({"request_id":0,"error":"property not found"}).to_string(),
]);
let mpv = Mpv::connect_socket(server).await?;
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let maybe_volume = mpv.set_property("nonexistent", true).await;
assert_eq!(
maybe_volume,
Err(MpvError::MpvError("property not found".to_string()))
);
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join_handle.await.unwrap().unwrap();
Ok(())
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}
#[test(tokio::test)]
async fn test_set_property_simultaneous_requests() {
let (socket, server) = UnixStream::pair().unwrap();
let mpv_handle: JoinHandle<Result<(), LinesCodecError>> = tokio::spawn(async move {
let mut framed = Framed::new(socket, LinesCodec::new());
while let Some(request) = framed.next().await {
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if let Ok(json) = serde_json::from_str::<Value>(&request.unwrap()) {
let property = json["command"][1].as_str().unwrap();
let value = &json["command"][2];
log::info!(
"Received set property command: {:?} => {:?}",
property,
value
);
match property {
"volume" => {
let response = json!({ "request_id": 0, "error": "success" }).to_string();
framed.send(response).await.unwrap();
}
"pause" => {
let response = json!({ "request_id": 0, "error": "success" }).to_string();
framed.send(response).await.unwrap();
}
_ => {
let response =
json!({ "error":"property not found", "request_id": 0 }).to_string();
framed.send(response).await.unwrap();
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}
}
}
}
Ok(())
});
let mpv = Mpv::connect_socket(server).await.unwrap();
let mpv_clone_1 = mpv.clone();
let mpv_poller_1 = tokio::spawn(async move {
loop {
let status = mpv_clone_1.set_property("volume", 100).await;
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match status {
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Ok(()) => {}
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_ => panic!("Unexpected result: {:?}", status),
}
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}
});
let mpv_clone_2 = mpv.clone();
let mpv_poller_2 = tokio::spawn(async move {
loop {
tokio::time::sleep(Duration::from_millis(1)).await;
let status = mpv_clone_2.set_property("pause", false).await;
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match status {
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Ok(()) => {}
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_ => panic!("Unexpected result: {:?}", status),
}
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}
});
let mpv_clone_3 = mpv.clone();
let mpv_poller_3 = tokio::spawn(async move {
loop {
tokio::time::sleep(Duration::from_millis(2)).await;
let maybe_volume = mpv_clone_3.set_property("nonexistent", "a").await;
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match maybe_volume {
Err(MpvError::MpvError(err)) => {
assert_eq!(err, "property not found");
}
_ => panic!("Unexpected result: {:?}", maybe_volume),
}
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}
});
let mut tasks = FuturesUnordered::new();
tasks.push(mpv_handle);
tasks.push(mpv_poller_1);
tasks.push(mpv_poller_2);
tasks.push(mpv_poller_3);
if tokio::time::timeout(Duration::from_millis(200), tasks.next())
.await
.is_ok()
{
panic!("One of the pollers quit unexpectedly");
};
}