diff --git a/Cargo.toml b/Cargo.toml index 144e9e4..f2425bd 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -20,7 +20,8 @@ futures = "0.3.30" [dev-dependencies] env_logger = "0.10.0" -tokio = { version = "1.37.0", features = ["rt-multi-thread"] } +test-log = "0.2.15" +tokio = { version = "1.37.0", features = ["rt-multi-thread", "time"] } [lib] doctest = false diff --git a/tests/get_property.rs b/tests/get_property.rs new file mode 100644 index 0000000..356cbae --- /dev/null +++ b/tests/get_property.rs @@ -0,0 +1,225 @@ +use std::{panic, time::Duration}; + +use futures::{stream::FuturesUnordered, SinkExt, StreamExt}; +use mpvipc::{Error, ErrorCode, Mpv, Playlist, PlaylistEntry}; +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) -> (UnixStream, JoinHandle>) { + 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_get_property_successful() { + let (server, join_handle) = test_socket(vec![ + json!({ "data": 100.0, "request_id": 0, "error": "success" }).to_string(), + ]); + + let mpv = Mpv::connect_socket(server).await.unwrap(); + let volume: f64 = mpv.get_property("volume").await.unwrap(); + + assert_eq!(volume, 100.0); + join_handle.await.unwrap().unwrap(); +} + +#[test(tokio::test)] +async fn test_get_property_broken_pipe() { + let (server, join_handle) = test_socket(vec![]); + + let mpv = Mpv::connect_socket(server).await.unwrap(); + let maybe_volume = mpv.get_property::("volume").await; + + assert_eq!( + maybe_volume, + Err(Error(ErrorCode::ConnectError( + "Broken pipe (os error 32)".to_owned() + ))) + ); + join_handle.await.unwrap().unwrap(); +} + +#[test(tokio::test)] +async fn test_get_property_wrong_type() { + let (server, join_handle) = test_socket(vec![ + json!({ "data": 100.0, "request_id": 0, "error": "success" }).to_string(), + ]); + + let mpv = Mpv::connect_socket(server).await.unwrap(); + let maybe_volume = mpv.get_property::("volume").await; + + assert_eq!(maybe_volume, Err(Error(ErrorCode::ValueDoesNotContainBool))); + join_handle.await.unwrap().unwrap(); +} + +#[test(tokio::test)] +async fn test_get_property_error() { + let (server, join_handle) = test_socket(vec![ + json!({ "error": "property unavailable", "request_id": 0 }).to_string(), + ]); + + let mpv = Mpv::connect_socket(server).await.unwrap(); + let maybe_volume = mpv.get_property::("volume").await; + + assert_eq!( + maybe_volume, + Err(Error(ErrorCode::MpvError( + "property unavailable".to_owned() + ))) + ); + + join_handle.await.unwrap().unwrap(); +} + +#[test(tokio::test)] +async fn test_get_property_simultaneous_requests() { + let (socket, server) = UnixStream::pair().unwrap(); + let mpv_handle: JoinHandle> = tokio::spawn(async move { + let mut framed = Framed::new(socket, LinesCodec::new()); + + while let Some(request) = framed.next().await { + match serde_json::from_str::(&request.unwrap()) { + Ok(json) => { + let property = json["command"][1].as_str().unwrap(); + log::info!("Received request for property: {:?}", property); + match property { + "volume" => { + let response = + json!({ "data": 100.0, "request_id": 0, "error": "success" }) + .to_string(); + framed.send(response).await.unwrap(); + } + "pause" => { + let response = + json!({ "data": true, "request_id": 0, "error": "success" }) + .to_string(); + framed.send(response).await.unwrap(); + } + _ => { + let response = + json!({ "error": "property unavailable", "request_id": 0 }) + .to_string(); + framed.send(response).await.unwrap(); + } + } + } + Err(_) => {} + } + } + + 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 volume: f64 = mpv_clone_1.get_property("volume").await.unwrap(); + assert_eq!(volume, 100.0); + } + }); + + let mpv_clone_2 = mpv.clone(); + let mpv_poller_2 = tokio::spawn(async move { + loop { + tokio::time::sleep(Duration::from_millis(1)).await; + let paused: bool = mpv_clone_2.get_property("pause").await.unwrap(); + assert_eq!(paused, true); + } + }); + + 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.get_property::("non_existent").await; + assert_eq!( + maybe_volume, + Err(Error(ErrorCode::MpvError( + "property unavailable".to_owned() + ))) + ); + } + }); + + 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"); + }; +} + +#[test(tokio::test)] +async fn test_get_playlist() { + let expected = Playlist(vec![ + PlaylistEntry { + id: 0, + filename: "file1".to_string(), + title: "title1".to_string(), + current: false, + }, + PlaylistEntry { + id: 1, + filename: "file2".to_string(), + title: "title2".to_string(), + current: true, + }, + PlaylistEntry { + id: 2, + filename: "file3".to_string(), + title: "title3".to_string(), + current: false, + }, + ]); + + let (server, join_handle) = test_socket(vec![json!({ + "data": expected.0.iter().map(|entry| { + json!({ + "filename": entry.filename, + "title": entry.title, + "current": entry.current + }) + }).collect::>(), + "request_id": 0, + "error": "success" + }) + .to_string()]); + + let mpv = Mpv::connect_socket(server).await.unwrap(); + let playlist = mpv.get_playlist().await.unwrap(); + + assert_eq!(playlist, expected); + join_handle.await.unwrap().unwrap(); +} + +#[test(tokio::test)] +async fn test_get_playlist_empty() { + let (server, join_handle) = test_socket(vec![ + json!({ "data": [], "request_id": 0, "error": "success" }).to_string(), + ]); + + let mpv = Mpv::connect_socket(server).await.unwrap(); + let playlist = mpv.get_playlist().await.unwrap(); + + assert_eq!(playlist, Playlist(vec![])); + join_handle.await.unwrap().unwrap(); +}