Source code

Revision control

Copy as Markdown

Other Tools

//! This file contains automated tests, but they require virtual ports and therefore can't work on Windows or Web MIDI ...
#![cfg(not(any(windows, target_arch = "wasm32")))]
extern crate midir;
use std::thread::sleep;
use std::time::Duration;
use midir::{MidiInput, MidiOutput, Ignore, MidiOutputPort};
use midir::os::unix::{VirtualInput, VirtualOutput};
#[test]
fn end_to_end() {
let mut midi_in = MidiInput::new("My Test Input").unwrap();
midi_in.ignore(Ignore::None);
let midi_out = MidiOutput::new("My Test Output").unwrap();
let previous_count = midi_out.port_count();
println!("Creating virtual input port ...");
let conn_in = midi_in.create_virtual("midir-test", |stamp, message, _| {
println!("{}: {:?} (len = {})", stamp, message, message.len());
}, ()).unwrap();
assert_eq!(midi_out.port_count(), previous_count + 1);
let new_port: MidiOutputPort = midi_out.ports().into_iter().rev().next().unwrap();
println!("Connecting to port '{}' ...", midi_out.port_name(&new_port).unwrap());
let mut conn_out = midi_out.connect(&new_port, "midir-test").unwrap();
println!("Starting to send messages ...");
conn_out.send(&[144, 60, 1]).unwrap();
sleep(Duration::from_millis(200));
conn_out.send(&[144, 60, 0]).unwrap();
sleep(Duration::from_millis(50));
conn_out.send(&[144, 60, 1]).unwrap();
sleep(Duration::from_millis(200));
conn_out.send(&[144, 60, 0]).unwrap();
sleep(Duration::from_millis(50));
println!("Closing output ...");
let midi_out = conn_out.close();
println!("Closing virtual input ...");
let midi_in = conn_in.close().0;
assert_eq!(midi_out.port_count(), previous_count);
let previous_count = midi_in.port_count();
// reuse midi_in and midi_out, but swap roles
println!("\nCreating virtual output port ...");
let mut conn_out = midi_out.create_virtual("midir-test").unwrap();
assert_eq!(midi_in.port_count(), previous_count + 1);
let new_port = midi_in.ports().into_iter().rev().next().unwrap();
println!("Connecting to port '{}' ...", midi_in.port_name(&new_port).unwrap());
let conn_in = midi_in.connect(&new_port, "midir-test", |stamp, message, _| {
println!("{}: {:?} (len = {})", stamp, message, message.len());
}, ()).unwrap();
println!("Starting to send messages ...");
conn_out.send(&[144, 60, 1]).unwrap();
sleep(Duration::from_millis(200));
conn_out.send(&[144, 60, 0]).unwrap();
sleep(Duration::from_millis(50));
conn_out.send(&[144, 60, 1]).unwrap();
sleep(Duration::from_millis(200));
conn_out.send(&[144, 60, 0]).unwrap();
sleep(Duration::from_millis(50));
println!("Closing input ...");
let midi_in = conn_in.close().0;
println!("Closing virtual output ...");
conn_out.close();
assert_eq!(midi_in.port_count(), previous_count);
}