Unit tests for matches

This commit is contained in:
Wojciech Kozlowski 2024-09-06 22:25:35 +02:00
parent 196de92959
commit c6a6d21199
2 changed files with 407 additions and 227 deletions

View File

@ -27,6 +27,17 @@ pub struct AppFetch {
fetch_rx: FetchReceiver, fetch_rx: FetchReceiver,
} }
impl AppFetch {
pub fn new(fetch_rx: FetchReceiver) -> Self {
AppFetch { fetch_rx }
}
}
pub type FetchError = MbError;
pub type FetchResult = Result<AppMatchesInfo, FetchError>;
pub type FetchSender = mpsc::Sender<FetchResult>;
pub type FetchReceiver = mpsc::Receiver<FetchResult>;
impl AppMachine<AppFetch> { impl AppMachine<AppFetch> {
fn fetch(inner: AppInner, state: AppFetch) -> Self { fn fetch(inner: AppInner, state: AppFetch) -> Self {
AppMachine { inner, state } AppMachine { inner, state }
@ -57,15 +68,14 @@ impl AppMachine<AppFetch> {
} }
}; };
let fetch = AppFetch { fetch_rx }; let fetch = AppFetch::new(fetch_rx);
AppMachine::app_fetch_next(inner, fetch, true) AppMachine::app_fetch_next(inner, fetch, true)
} }
pub fn app_fetch_next(inner: AppInner, fetch: AppFetch, first: bool) -> App { pub fn app_fetch_next(inner: AppInner, fetch: AppFetch, first: bool) -> App {
match fetch.fetch_rx.try_recv() { match fetch.fetch_rx.try_recv() {
Ok(fetch_result) => match fetch_result { Ok(fetch_result) => match fetch_result {
Ok(mut next_match) => { Ok(next_match) => {
next_match.push_cannot_have_mbid();
let current = Some(next_match); let current = Some(next_match);
AppMachine::matches(inner, AppMatches::new(current, fetch)).into() AppMachine::matches(inner, AppMatches::new(current, fetch)).into()
} }
@ -76,7 +86,7 @@ impl AppMachine<AppFetch> {
Err(recv_err) => match recv_err { Err(recv_err) => match recv_err {
TryRecvError::Disconnected => { TryRecvError::Disconnected => {
if first { if first {
AppMachine::matches(inner, AppMatches::empty(fetch)).into() AppMachine::matches(inner, AppMatches::new(None, fetch)).into()
} else { } else {
AppMachine::browse(inner).into() AppMachine::browse(inner).into()
} }
@ -85,65 +95,7 @@ impl AppMachine<AppFetch> {
}, },
} }
} }
}
impl From<AppMachine<AppFetch>> for App {
fn from(machine: AppMachine<AppFetch>) -> Self {
AppState::Fetch(machine)
}
}
impl<'a> From<&'a mut AppMachine<AppFetch>> for AppPublic<'a> {
fn from(machine: &'a mut AppMachine<AppFetch>) -> Self {
AppPublic {
inner: (&mut machine.inner).into(),
state: AppState::Fetch(()),
}
}
}
impl IAppInteractFetch for AppMachine<AppFetch> {
type APP = App;
fn abort(self) -> Self::APP {
AppMachine::browse(self.inner).into()
}
fn no_op(self) -> Self::APP {
self.into()
}
}
impl IAppEventFetch for AppMachine<AppFetch> {
type APP = App;
fn fetch_result_ready(self) -> Self::APP {
Self::app_fetch_next(self.inner, self.state, false)
}
}
type FetchError = MbError;
type FetchResult = Result<AppMatchesInfo, FetchError>;
type FetchSender = mpsc::Sender<FetchResult>;
type FetchReceiver = mpsc::Receiver<FetchResult>;
trait IAppInteractFetchPrivate {
fn fetch_artist(
musicbrainz: Arc<Mutex<dyn IMusicBrainz + Send>>,
fetch_tx: FetchSender,
events: EventSender,
artist: ArtistMeta,
);
fn fetch_albums(
musicbrainz: Arc<Mutex<dyn IMusicBrainz + Send>>,
fetch_tx: FetchSender,
events: EventSender,
arid: Mbid,
albums: Vec<AlbumMeta>,
);
}
impl IAppInteractFetchPrivate for AppMachine<AppFetch> {
fn fetch_artist( fn fetch_artist(
musicbrainz: Arc<Mutex<dyn IMusicBrainz + Send>>, musicbrainz: Arc<Mutex<dyn IMusicBrainz + Send>>,
fetch_tx: FetchSender, fetch_tx: FetchSender,
@ -192,3 +144,274 @@ impl IAppInteractFetchPrivate for AppMachine<AppFetch> {
} }
} }
} }
impl From<AppMachine<AppFetch>> for App {
fn from(machine: AppMachine<AppFetch>) -> Self {
AppState::Fetch(machine)
}
}
impl<'a> From<&'a mut AppMachine<AppFetch>> for AppPublic<'a> {
fn from(machine: &'a mut AppMachine<AppFetch>) -> Self {
AppPublic {
inner: (&mut machine.inner).into(),
state: AppState::Fetch(()),
}
}
}
impl IAppInteractFetch for AppMachine<AppFetch> {
type APP = App;
fn abort(self) -> Self::APP {
AppMachine::browse(self.inner).into()
}
fn no_op(self) -> Self::APP {
self.into()
}
}
impl IAppEventFetch for AppMachine<AppFetch> {
type APP = App;
fn fetch_result_ready(self) -> Self::APP {
Self::app_fetch_next(self.inner, self.state, false)
}
}
#[cfg(test)]
mod tests {
// use std::sync::mpsc;
// use musichoard::collection::{
// album::{AlbumDate, AlbumId, AlbumMeta, AlbumPrimaryType, AlbumSecondaryType},
// artist::{ArtistId, ArtistMeta},
// };
// use crate::tui::{
// app::{
// machine::tests::{inner, music_hoard},
// IAppAccess,
// },
// lib::interface::musicbrainz::Match,
// };
// use super::*;
// impl<T> Match<T> {
// pub fn new(score: u8, item: T) -> Self {
// Match {
// score,
// item,
// disambiguation: None,
// }
// }
// }
// fn artist_matches_info_vec() -> Vec<AppMatchesInfo> {
// let artist_1 = ArtistMeta::new(ArtistId::new("Artist 1"));
// let artist_1_1 = artist_1.clone();
// let artist_match_1_1 = Match::new(100, artist_1_1);
// let artist_1_2 = artist_1.clone();
// let mut artist_match_1_2 = Match::new(100, artist_1_2);
// artist_match_1_2.disambiguation = Some(String::from("some disambiguation"));
// let list = vec![artist_match_1_1.clone(), artist_match_1_2.clone()];
// let matches_info_1 = AppMatchesInfo::artist(artist_1.clone(), list);
// let artist_2 = ArtistMeta::new(ArtistId::new("Artist 2"));
// let artist_2_1 = artist_1.clone();
// let album_match_2_1 = Match::new(100, artist_2_1);
// let list = vec![album_match_2_1.clone()];
// let matches_info_2 = AppMatchesInfo::artist(artist_2.clone(), list);
// vec![matches_info_1, matches_info_2]
// }
// fn album_matches_info_vec() -> Vec<AppMatchesInfo> {
// let album_1 = AlbumMeta::new(
// AlbumId::new("Album 1"),
// AlbumDate::new(Some(1990), Some(5), None),
// Some(AlbumPrimaryType::Album),
// vec![AlbumSecondaryType::Live, AlbumSecondaryType::Compilation],
// );
// let album_1_1 = album_1.clone();
// let album_match_1_1 = Match::new(100, album_1_1);
// let mut album_1_2 = album_1.clone();
// album_1_2.id.title.push_str(" extra title part");
// album_1_2.secondary_types.pop();
// let album_match_1_2 = Match::new(100, album_1_2);
// let list = vec![album_match_1_1.clone(), album_match_1_2.clone()];
// let matches_info_1 = AppMatchesInfo::album(album_1.clone(), list);
// let album_2 = AlbumMeta::new(
// AlbumId::new("Album 2"),
// AlbumDate::new(Some(2001), None, None),
// Some(AlbumPrimaryType::Album),
// vec![],
// );
// let album_2_1 = album_1.clone();
// let album_match_2_1 = Match::new(100, album_2_1);
// let list = vec![album_match_2_1.clone()];
// let matches_info_2 = AppMatchesInfo::album(album_2.clone(), list);
// vec![matches_info_1, matches_info_2]
// }
// fn receiver(matches_info_vec: Vec<AppMatchesInfo>) -> FetchReceiver {
// let (tx, rx) = mpsc::channel();
// for matches_info in matches_info_vec.into_iter() {
// tx.send(Ok(matches_info)).unwrap();
// }
// rx
// }
// fn push_cannot_have_mbid(matches_info_vec: &mut [AppMatchesInfo]) {
// for matches_info in matches_info_vec.iter_mut() {
// matches_info.push_cannot_have_mbid();
// }
// }
// #[test]
// fn create_empty() {
// let matches = AppMachine::matches(inner(music_hoard(vec![])), AppMatches::empty(fetch()));
// let widget_state = WidgetState::default();
// assert_eq!(matches.state.current, None);
// assert_eq!(matches.state.state, widget_state);
// let mut app = matches.no_op();
// let public = app.get();
// let public_matches = public.state.unwrap_matches();
// assert_eq!(public_matches.matches, None);
// assert_eq!(public_matches.state, &widget_state);
// }
// #[test]
// fn create_nonempty() {
// let mut matches_info_vec = album_matches_info_vec();
// let matches = AppMachine::app_matches(
// inner(music_hoard(vec![])),
// receiver(matches_info_vec.clone()),
// )
// .unwrap_matches();
// push_cannot_have_mbid(&mut matches_info_vec);
// let mut widget_state = WidgetState::default();
// widget_state.list.select(Some(0));
// assert_eq!(matches.state.current.as_ref(), Some(&matches_info_vec[0]));
// assert_eq!(matches.state.state, widget_state);
// let mut app = matches.no_op();
// let public = app.get();
// let public_matches = public.state.unwrap_matches();
// assert_eq!(public_matches.matches, Some(&matches_info_vec[0]));
// assert_eq!(public_matches.state, &widget_state);
// }
// fn matches_flow(mut matches_info_vec: Vec<AppMatchesInfo>) {
// let matches = AppMachine::app_matches(
// inner(music_hoard(vec![])),
// receiver(matches_info_vec.clone()),
// )
// .unwrap_matches();
// push_cannot_have_mbid(&mut matches_info_vec);
// let mut widget_state = WidgetState::default();
// widget_state.list.select(Some(0));
// assert_eq!(matches.state.current.as_ref(), Some(&matches_info_vec[0]));
// assert_eq!(matches.state.state, widget_state);
// let matches = matches.prev_match().unwrap_matches();
// assert_eq!(matches.state.current.as_ref(), Some(&matches_info_vec[0]));
// assert_eq!(matches.state.state.list.selected(), Some(0));
// let matches = matches.next_match().unwrap_matches();
// assert_eq!(matches.state.current.as_ref(), Some(&matches_info_vec[0]));
// assert_eq!(matches.state.state.list.selected(), Some(1));
// // Next is CannotHaveMBID
// let matches = matches.next_match().unwrap_matches();
// assert_eq!(matches.state.current.as_ref(), Some(&matches_info_vec[0]));
// assert_eq!(matches.state.state.list.selected(), Some(2));
// let matches = matches.next_match().unwrap_matches();
// assert_eq!(matches.state.current.as_ref(), Some(&matches_info_vec[0]));
// assert_eq!(matches.state.state.list.selected(), Some(2));
// let matches = matches.select().unwrap_matches();
// assert_eq!(matches.state.current.as_ref(), Some(&matches_info_vec[1]));
// assert_eq!(matches.state.state.list.selected(), Some(0));
// // And it's done
// matches.select().unwrap_browse();
// }
// #[test]
// fn artist_matches_flow() {
// matches_flow(artist_matches_info_vec());
// }
// #[test]
// fn album_matches_flow() {
// matches_flow(album_matches_info_vec());
// }
// #[test]
// fn matches_abort() {
// let mut matches_info_vec = album_matches_info_vec();
// let matches = AppMachine::app_matches(
// inner(music_hoard(vec![])),
// receiver(matches_info_vec.clone()),
// )
// .unwrap_matches();
// push_cannot_have_mbid(&mut matches_info_vec);
// let mut widget_state = WidgetState::default();
// widget_state.list.select(Some(0));
// assert_eq!(matches.state.current.as_ref(), Some(&matches_info_vec[0]));
// assert_eq!(matches.state.state, widget_state);
// matches.abort().unwrap_browse();
// }
// #[test]
// fn matches_select_empty() {
// let matches =
// AppMachine::app_matches(inner(music_hoard(vec![])), receiver(vec![])).unwrap_matches();
// assert_eq!(matches.state.current, None);
// matches.select().unwrap_browse();
// }
// #[test]
// fn no_op() {
// let matches =
// AppMachine::app_matches(inner(music_hoard(vec![])), receiver(vec![])).unwrap_matches();
// let app = matches.no_op();
// app.unwrap_matches();
// }
}

View File

@ -51,14 +51,11 @@ pub struct AppMatches {
} }
impl AppMatches { impl AppMatches {
pub fn empty(fetch: AppFetch) -> Self { pub fn new(mut current: Option<AppMatchesInfo>, fetch: AppFetch) -> Self {
Self::new(None, fetch)
}
pub fn new(current: Option<AppMatchesInfo>, fetch: AppFetch) -> Self {
let mut state = WidgetState::default(); let mut state = WidgetState::default();
if current.is_some() { if let Some(ref mut current) = current {
state.list.select(Some(0)); state.list.select(Some(0));
current.push_cannot_have_mbid();
} }
AppMatches { AppMatches {
current, current,
@ -160,209 +157,169 @@ mod tests {
} }
} }
fn artist_matches_info_vec() -> Vec<AppMatchesInfo> { fn artist_match() -> AppMatchesInfo {
let artist_1 = ArtistMeta::new(ArtistId::new("Artist 1")); let artist = ArtistMeta::new(ArtistId::new("Artist"));
let artist_1_1 = artist_1.clone(); let artist_1 = artist.clone();
let artist_match_1_1 = Match::new(100, artist_1_1); let artist_match_1 = Match::new(100, artist_1);
let artist_1_2 = artist_1.clone(); let artist_2 = artist.clone();
let mut artist_match_1_2 = Match::new(100, artist_1_2); let mut artist_match_2 = Match::new(100, artist_2);
artist_match_1_2.disambiguation = Some(String::from("some disambiguation")); artist_match_2.disambiguation = Some(String::from("some disambiguation"));
let list = vec![artist_match_1_1.clone(), artist_match_1_2.clone()]; let list = vec![artist_match_1.clone(), artist_match_2.clone()];
let matches_info_1 = AppMatchesInfo::artist(artist_1.clone(), list); AppMatchesInfo::artist(artist, list)
let artist_2 = ArtistMeta::new(ArtistId::new("Artist 2"));
let artist_2_1 = artist_1.clone();
let album_match_2_1 = Match::new(100, artist_2_1);
let list = vec![album_match_2_1.clone()];
let matches_info_2 = AppMatchesInfo::artist(artist_2.clone(), list);
vec![matches_info_1, matches_info_2]
} }
fn album_matches_info_vec() -> Vec<AppMatchesInfo> { fn album_match() -> AppMatchesInfo {
let album_1 = AlbumMeta::new( let album = AlbumMeta::new(
AlbumId::new("Album 1"), AlbumId::new("Album"),
AlbumDate::new(Some(1990), Some(5), None), AlbumDate::new(Some(1990), Some(5), None),
Some(AlbumPrimaryType::Album), Some(AlbumPrimaryType::Album),
vec![AlbumSecondaryType::Live, AlbumSecondaryType::Compilation], vec![AlbumSecondaryType::Live, AlbumSecondaryType::Compilation],
); );
let album_1_1 = album_1.clone(); let album_1 = album.clone();
let album_match_1_1 = Match::new(100, album_1_1); let album_match_1 = Match::new(100, album_1);
let mut album_1_2 = album_1.clone(); let mut album_2 = album.clone();
album_1_2.id.title.push_str(" extra title part"); album_2.id.title.push_str(" extra title part");
album_1_2.secondary_types.pop(); album_2.secondary_types.pop();
let album_match_1_2 = Match::new(100, album_1_2); let album_match_2 = Match::new(100, album_2);
let list = vec![album_match_1_1.clone(), album_match_1_2.clone()]; let list = vec![album_match_1.clone(), album_match_2.clone()];
let matches_info_1 = AppMatchesInfo::album(album_1.clone(), list); AppMatchesInfo::album(album, list)
let album_2 = AlbumMeta::new(
AlbumId::new("Album 2"),
AlbumDate::new(Some(2001), None, None),
Some(AlbumPrimaryType::Album),
vec![],
);
let album_2_1 = album_1.clone();
let album_match_2_1 = Match::new(100, album_2_1);
let list = vec![album_match_2_1.clone()];
let matches_info_2 = AppMatchesInfo::album(album_2.clone(), list);
vec![matches_info_1, matches_info_2]
} }
// fn receiver(matches_info_vec: Vec<AppMatchesInfo>) -> FetchReceiver { fn fetch() -> AppFetch {
// let (tx, rx) = mpsc::channel(); let (_, rx) = mpsc::channel();
// for matches_info in matches_info_vec.into_iter() { AppFetch::new(rx)
// tx.send(Ok(matches_info)).unwrap(); }
// }
// rx
// }
// fn push_cannot_have_mbid(matches_info_vec: &mut [AppMatchesInfo]) { fn matches(matches_info: Option<AppMatchesInfo>) -> AppMatches {
// for matches_info in matches_info_vec.iter_mut() { AppMatches::new(matches_info, fetch())
// matches_info.push_cannot_have_mbid(); }
// }
// }
// #[test] #[test]
// fn create_empty() { fn create_empty() {
// let matches = let matches = AppMachine::matches(inner(music_hoard(vec![])), matches(None));
// AppMachine::app_matches(inner(music_hoard(vec![])), receiver(vec![])).unwrap_matches();
// let widget_state = WidgetState::default(); let widget_state = WidgetState::default();
// assert_eq!(matches.state.current, None); assert_eq!(matches.state.current, None);
// assert_eq!(matches.state.state, widget_state); assert_eq!(matches.state.state, widget_state);
// let mut app = matches.no_op(); let mut app = matches.no_op();
// let public = app.get(); let public = app.get();
// let public_matches = public.state.unwrap_matches(); let public_matches = public.state.unwrap_matches();
// assert_eq!(public_matches.matches, None); assert_eq!(public_matches.matches, None);
// assert_eq!(public_matches.state, &widget_state); assert_eq!(public_matches.state, &widget_state);
// } }
// #[test] #[test]
// fn create_nonempty() { fn create_nonempty() {
// let mut matches_info_vec = album_matches_info_vec(); let mut album_match = album_match();
// let matches = AppMachine::app_matches( let matches = AppMachine::matches(
// inner(music_hoard(vec![])), inner(music_hoard(vec![])),
// receiver(matches_info_vec.clone()), matches(Some(album_match.clone())),
// ) );
// .unwrap_matches(); album_match.push_cannot_have_mbid();
// push_cannot_have_mbid(&mut matches_info_vec);
// let mut widget_state = WidgetState::default(); let mut widget_state = WidgetState::default();
// widget_state.list.select(Some(0)); widget_state.list.select(Some(0));
// assert_eq!(matches.state.current.as_ref(), Some(&matches_info_vec[0])); assert_eq!(matches.state.current.as_ref(), Some(&album_match));
// assert_eq!(matches.state.state, widget_state); assert_eq!(matches.state.state, widget_state);
// let mut app = matches.no_op(); let mut app = matches.no_op();
// let public = app.get(); let public = app.get();
// let public_matches = public.state.unwrap_matches(); let public_matches = public.state.unwrap_matches();
// assert_eq!(public_matches.matches, Some(&matches_info_vec[0])); assert_eq!(public_matches.matches, Some(&album_match));
// assert_eq!(public_matches.state, &widget_state); assert_eq!(public_matches.state, &widget_state);
// } }
// fn matches_flow(mut matches_info_vec: Vec<AppMatchesInfo>) { fn matches_flow(mut matches_info: AppMatchesInfo) {
// let matches = AppMachine::app_matches( // tx must exist for rx to return Empty rather than Disconnected.
// inner(music_hoard(vec![])), #[allow(unused_variables)]
// receiver(matches_info_vec.clone()), let (tx, rx) = mpsc::channel();
// ) let app_matches = AppMatches::new(Some(matches_info.clone()), AppFetch::new(rx));
// .unwrap_matches();
// push_cannot_have_mbid(&mut matches_info_vec);
// let mut widget_state = WidgetState::default(); let matches = AppMachine::matches(inner(music_hoard(vec![])), app_matches);
// widget_state.list.select(Some(0)); matches_info.push_cannot_have_mbid();
// assert_eq!(matches.state.current.as_ref(), Some(&matches_info_vec[0])); let mut widget_state = WidgetState::default();
// assert_eq!(matches.state.state, widget_state); widget_state.list.select(Some(0));
// let matches = matches.prev_match().unwrap_matches(); assert_eq!(matches.state.current.as_ref(), Some(&matches_info));
assert_eq!(matches.state.state, widget_state);
// assert_eq!(matches.state.current.as_ref(), Some(&matches_info_vec[0])); let matches = matches.prev_match().unwrap_matches();
// assert_eq!(matches.state.state.list.selected(), Some(0));
// let matches = matches.next_match().unwrap_matches(); assert_eq!(matches.state.current.as_ref(), Some(&matches_info));
assert_eq!(matches.state.state.list.selected(), Some(0));
// assert_eq!(matches.state.current.as_ref(), Some(&matches_info_vec[0])); let matches = matches.next_match().unwrap_matches();
// assert_eq!(matches.state.state.list.selected(), Some(1));
// // Next is CannotHaveMBID assert_eq!(matches.state.current.as_ref(), Some(&matches_info));
// let matches = matches.next_match().unwrap_matches(); assert_eq!(matches.state.state.list.selected(), Some(1));
// assert_eq!(matches.state.current.as_ref(), Some(&matches_info_vec[0])); // Next is CannotHaveMBID
// assert_eq!(matches.state.state.list.selected(), Some(2)); let matches = matches.next_match().unwrap_matches();
// let matches = matches.next_match().unwrap_matches(); assert_eq!(matches.state.current.as_ref(), Some(&matches_info));
assert_eq!(matches.state.state.list.selected(), Some(2));
// assert_eq!(matches.state.current.as_ref(), Some(&matches_info_vec[0])); let matches = matches.next_match().unwrap_matches();
// assert_eq!(matches.state.state.list.selected(), Some(2));
// let matches = matches.select().unwrap_matches(); assert_eq!(matches.state.current.as_ref(), Some(&matches_info));
assert_eq!(matches.state.state.list.selected(), Some(2));
// assert_eq!(matches.state.current.as_ref(), Some(&matches_info_vec[1])); // And it's done
// assert_eq!(matches.state.state.list.selected(), Some(0)); matches.select().unwrap_fetch();
}
// // And it's done #[test]
// matches.select().unwrap_browse(); fn artist_matches_flow() {
// } matches_flow(artist_match());
}
// #[test] #[test]
// fn artist_matches_flow() { fn album_matches_flow() {
// matches_flow(artist_matches_info_vec()); matches_flow(album_match());
// } }
// #[test] #[test]
// fn album_matches_flow() { fn matches_abort() {
// matches_flow(album_matches_info_vec()); let mut album_match = album_match();
// } let matches = AppMachine::matches(
inner(music_hoard(vec![])),
matches(Some(album_match.clone())),
);
album_match.push_cannot_have_mbid();
// #[test] let mut widget_state = WidgetState::default();
// fn matches_abort() { widget_state.list.select(Some(0));
// let mut matches_info_vec = album_matches_info_vec();
// let matches = AppMachine::app_matches(
// inner(music_hoard(vec![])),
// receiver(matches_info_vec.clone()),
// )
// .unwrap_matches();
// push_cannot_have_mbid(&mut matches_info_vec);
// let mut widget_state = WidgetState::default(); assert_eq!(matches.state.current.as_ref(), Some(&album_match));
// widget_state.list.select(Some(0)); assert_eq!(matches.state.state, widget_state);
// assert_eq!(matches.state.current.as_ref(), Some(&matches_info_vec[0])); matches.abort().unwrap_browse();
// assert_eq!(matches.state.state, widget_state); }
// matches.abort().unwrap_browse(); #[test]
// } fn matches_select_empty() {
// Note that what really matters in this test is actually that the transmit channel has
// disconnected and so the receive within AppFetch concludes there are no more matches.
let matches = AppMachine::matches(inner(music_hoard(vec![])), matches(None));
matches.select().unwrap_browse();
}
// #[test] #[test]
// fn matches_select_empty() { fn no_op() {
// let matches = let matches = AppMachine::matches(inner(music_hoard(vec![])), matches(None));
// AppMachine::app_matches(inner(music_hoard(vec![])), receiver(vec![])).unwrap_matches(); let app = matches.no_op();
app.unwrap_matches();
// assert_eq!(matches.state.current, None); }
// matches.select().unwrap_browse();
// }
// #[test]
// fn no_op() {
// let matches =
// AppMachine::app_matches(inner(music_hoard(vec![])), receiver(vec![])).unwrap_matches();
// let app = matches.no_op();
// app.unwrap_matches();
// }
} }