mirror of
https://github.com/Tonejs/Tone.js
synced 2024-11-16 16:48:00 +00:00
435 lines
No EOL
11 KiB
JavaScript
435 lines
No EOL
11 KiB
JavaScript
define(["helper/Basic", "Tone/event/Event", "Tone/core/Tone", "Tone/core/Transport", "helper/Offline", "Test"],
|
|
function (Basic, Event, Tone, Transport, Offline, Test) {
|
|
|
|
describe("Event", function(){
|
|
|
|
Basic(Event);
|
|
|
|
context("Constructor", function(){
|
|
|
|
it ("takes a callback and a value", function(){
|
|
return Offline(function(){
|
|
var callback = function(){};
|
|
var note = new Event(callback, "C4");
|
|
expect(note.callback).to.equal(callback);
|
|
expect(note.value).to.equal("C4");
|
|
note.dispose();
|
|
});
|
|
});
|
|
|
|
it ("can be constructed with no arguments", function(){
|
|
return Offline(function(){
|
|
var note = new Event();
|
|
expect(note.value).to.be.null;
|
|
note.dispose();
|
|
});
|
|
});
|
|
|
|
it ("can pass in arguments in options object", function(){
|
|
return Offline(function(){
|
|
var callback = function(){};
|
|
var value = {"a" : 1};
|
|
var note = new Event({
|
|
"callback" : callback,
|
|
"value" : value,
|
|
"loop" : true,
|
|
"loopEnd" : "4n",
|
|
"probability" : 0.3
|
|
});
|
|
expect(note.callback).to.equal(callback);
|
|
expect(note.value).to.equal(value);
|
|
expect(note.loop).to.be.true;
|
|
expect(note.loopEnd).to.equal("4n");
|
|
expect(note.probability).to.equal(0.3);
|
|
note.dispose();
|
|
});
|
|
});
|
|
});
|
|
|
|
context("Get/Set", function(){
|
|
|
|
it ("can set values with object", function(){
|
|
return Offline(function(){
|
|
var callback = function(){};
|
|
var note = new Event();
|
|
note.set({
|
|
"callback" : callback,
|
|
"value" : "D4",
|
|
"loop" : 8
|
|
});
|
|
expect(note.callback).to.equal(callback);
|
|
expect(note.value).to.equal("D4");
|
|
expect(note.loop).to.equal(8);
|
|
note.dispose();
|
|
});
|
|
});
|
|
|
|
it ("can set get a the values as an object", function(){
|
|
return Offline(function(){
|
|
var callback = function(){};
|
|
var note = new Event({
|
|
"callback" : callback,
|
|
"value" : "D3",
|
|
"loop" : 4
|
|
});
|
|
var values = note.get();
|
|
expect(values.value).to.equal("D3");
|
|
expect(values.loop).to.equal(4);
|
|
note.dispose();
|
|
});
|
|
});
|
|
});
|
|
|
|
context("Event callback", function(){
|
|
|
|
it ("does not invoke get invoked until started", function(){
|
|
return Offline(function(Transport){
|
|
new Event(function(){
|
|
throw new Error("shouldn't call this callback");
|
|
}, "C4");
|
|
Transport.start();
|
|
}, 0.3);
|
|
});
|
|
|
|
it ("is invoked after it's started", function(){
|
|
var invoked = false;
|
|
return Offline(function(Transport){
|
|
var note = new Event(function(){
|
|
note.dispose();
|
|
invoked = true;
|
|
}, "C4").start(0);
|
|
Transport.start();
|
|
}, 0.3).then(function(){
|
|
expect(invoked).to.be.true;
|
|
});
|
|
});
|
|
|
|
it ("passes in the scheduled time to the callback", function(){
|
|
var invoked = false;
|
|
return Offline(function(Transport){
|
|
var now = 0.1;
|
|
var note = new Event(function(time){
|
|
expect(time).to.be.a.number;
|
|
expect(time - now).to.be.closeTo(0.3, 0.01);
|
|
note.dispose();
|
|
invoked = true;
|
|
});
|
|
note.start(0.3);
|
|
Transport.start(now);
|
|
}, 0.5).then(function(){
|
|
expect(invoked).to.be.true;
|
|
});
|
|
});
|
|
|
|
it ("passes in the value to the callback", function(){
|
|
var invoked = false;
|
|
return Offline(function(Transport){
|
|
var note = new Event(function(time, thing){
|
|
expect(time).to.be.a.number;
|
|
expect(thing).to.equal("thing");
|
|
note.dispose();
|
|
invoked = true;
|
|
}, "thing").start();
|
|
Transport.start();
|
|
}, 0.3).then(function(){
|
|
expect(invoked).to.be.true;
|
|
});
|
|
});
|
|
|
|
it ("can mute the callback", function(){
|
|
return Offline(function(Transport){
|
|
var note = new Event(function(){
|
|
throw new Error("shouldn't call this callback");
|
|
}, "C4").start();
|
|
note.mute = true;
|
|
expect(note.mute).to.be.true;
|
|
Transport.start();
|
|
}, 0.3);
|
|
});
|
|
|
|
it ("can trigger with some probability", function(){
|
|
|
|
return Offline(function(Transport){
|
|
var note = new Event(function(){
|
|
throw new Error("shouldn't call this callback");
|
|
}, "C4").start();
|
|
note.probability = 0;
|
|
expect(note.probability).to.equal(0);
|
|
Transport.start();
|
|
}, 0.3);
|
|
});
|
|
});
|
|
|
|
context("Scheduling", function(){
|
|
|
|
it ("can be started and stopped multiple times", function(){
|
|
return Offline(function(Transport){
|
|
var note = new Event().start(0).stop(0.2).start(0.4);
|
|
Transport.start(0);
|
|
return function(time){
|
|
Test.whenBetween(time, 0, 0.19, function(){
|
|
expect(note.state).to.equal("started");
|
|
});
|
|
Test.whenBetween(time, 0.2, 0.39, function(){
|
|
expect(note.state).to.equal("stopped");
|
|
});
|
|
Test.whenBetween(time, 0.4, Infinity, function(){
|
|
expect(note.state).to.equal("started");
|
|
});
|
|
};
|
|
}, 0.5);
|
|
});
|
|
|
|
it ("restarts when transport is restarted", function(){
|
|
|
|
return Offline(function(Transport){
|
|
var note = new Event().start(0).stop(0.4);
|
|
Transport.start(0).stop(0.5).start(0.55);
|
|
return function(sample, time){
|
|
Test.whenBetween(time, 0, 0.39, function(){
|
|
expect(note.state).to.equal("started");
|
|
});
|
|
Test.whenBetween(time, 0.4, 0.5, function(){
|
|
expect(note.state).to.equal("stopped");
|
|
});
|
|
Test.whenBetween(time, 0.55, 0.8, function(){
|
|
expect(note.state).to.equal("started");
|
|
});
|
|
};
|
|
}, 1);
|
|
});
|
|
|
|
|
|
it ("can be cancelled", function(){
|
|
return Offline(function(Transport){
|
|
var note = new Event().start(0);
|
|
expect(note.state).to.equal("started");
|
|
Transport.start();
|
|
|
|
var firstStop = false;
|
|
var restarted = false;
|
|
var tested = false;
|
|
return function(time){
|
|
//stop the transport
|
|
if (time > 0.2 && !firstStop){
|
|
firstStop = true;
|
|
Transport.stop();
|
|
note.cancel();
|
|
}
|
|
if (time > 0.3 && !restarted){
|
|
restarted = true;
|
|
Transport.start();
|
|
}
|
|
if (time > 0.4 && !tested){
|
|
restarted = true;
|
|
Transport.start();
|
|
expect(note.state).to.equal("stopped");
|
|
}
|
|
};
|
|
}, 0.5);
|
|
});
|
|
|
|
});
|
|
|
|
context("Looping", function(){
|
|
|
|
it ("can be set to loop", function(){
|
|
var callCount = 0;
|
|
return Offline(function(Transport){
|
|
new Event({
|
|
"loopEnd" : 0.25,
|
|
"loop" : true,
|
|
"callback" : function(){
|
|
callCount++;
|
|
}
|
|
}).start(0);
|
|
Transport.start(0);
|
|
}, 0.8).then(function(){
|
|
expect(callCount).to.equal(4);
|
|
});
|
|
|
|
});
|
|
|
|
it ("can be set to loop at a specific interval", function(){
|
|
return Offline(function(Transport){
|
|
var lastCall;
|
|
new Event({
|
|
"loopEnd" : 0.25,
|
|
"loop" : true,
|
|
"callback" : function(time){
|
|
if (lastCall){
|
|
expect(time - lastCall).to.be.closeTo(0.25, 0.01);
|
|
}
|
|
lastCall = time;
|
|
}
|
|
}).start(0);
|
|
Transport.start();
|
|
}, 1);
|
|
});
|
|
|
|
it ("can adjust the loop duration after starting", function(){
|
|
return Offline(function(Transport){
|
|
var lastCall;
|
|
var note = new Event({
|
|
"loopEnd" : 0.5,
|
|
"loop" : true,
|
|
"callback" : function(time){
|
|
if (lastCall){
|
|
expect(time - lastCall).to.be.closeTo(0.25, 0.01);
|
|
} else {
|
|
note.loopEnd = 0.25;
|
|
}
|
|
lastCall = time;
|
|
}
|
|
}).start(0);
|
|
Transport.start();
|
|
}, 0.8);
|
|
});
|
|
|
|
it ("can loop a specific number of times", function(){
|
|
var callCount = 0;
|
|
return Offline(function(Transport){
|
|
new Event({
|
|
"loopEnd" : 0.125,
|
|
"loop" : 3,
|
|
"callback" : function(){
|
|
callCount++;
|
|
}
|
|
}).start(0);
|
|
Transport.start();
|
|
}, 0.8).then(function(){
|
|
expect(callCount).to.equal(3);
|
|
});
|
|
});
|
|
|
|
it ("can be started and stopped multiple times", function(){
|
|
return Offline(function(Transport){
|
|
var eventTimes = [0.3, 0.4, 0.9, 1.0, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9];
|
|
var eventTimeIndex = 0;
|
|
new Event({
|
|
"loopEnd" : 0.1,
|
|
"loop" : true,
|
|
"callback" : function(time){
|
|
expect(eventTimes.length).to.be.gt(eventTimeIndex);
|
|
expect(eventTimes[eventTimeIndex]).to.be.closeTo(time, 0.05);
|
|
eventTimeIndex++;
|
|
}
|
|
}).start(0.1).stop(0.2).start(0.5).stop(1.1);
|
|
Transport.start(0.2).stop(0.5).start(0.8);
|
|
}, 2);
|
|
});
|
|
|
|
it ("loops the correct amount of times when the event is started in the Transport's past", function(){
|
|
var callCount = 0;
|
|
return Offline(function(Transport){
|
|
var note = new Event({
|
|
"loopEnd" : 0.2,
|
|
"loop" : 3,
|
|
"callback" : function(){
|
|
callCount++;
|
|
}
|
|
});
|
|
Transport.start();
|
|
var wasCalled = false;
|
|
return function(time){
|
|
if (time > 0.1 && !wasCalled) {
|
|
wasCalled = true;
|
|
note.start(0);
|
|
}
|
|
};
|
|
}, 1).then(function(){
|
|
expect(callCount).to.equal(2);
|
|
});
|
|
});
|
|
|
|
it ("reports the progress of the loop", function(){
|
|
return Offline(function(Transport){
|
|
var note = new Event({
|
|
"loopEnd" : 1,
|
|
"loop" : true,
|
|
}).start(0);
|
|
Transport.start();
|
|
return function(time){
|
|
expect(note.progress).to.be.closeTo(time, 0.05);
|
|
};
|
|
}, 0.8);
|
|
});
|
|
|
|
it ("progress is 0 when not looping", function(){
|
|
Offline(function(Transport){
|
|
var note = new Event({
|
|
"loopEnd" : 0.25,
|
|
"loop" : false,
|
|
}).start(0);
|
|
Transport.start();
|
|
return function(){
|
|
expect(note.progress).to.equal(0);
|
|
};
|
|
}, 0.2);
|
|
});
|
|
});
|
|
|
|
context("playbackRate and humanize", function(){
|
|
|
|
|
|
it ("can adjust the playbackRate", function(){
|
|
return Offline(function(Transport){
|
|
var lastCall;
|
|
new Event({
|
|
"playbackRate" : 2,
|
|
"loopEnd" : 0.5,
|
|
"loop" : true,
|
|
"callback" : function(time){
|
|
if (lastCall){
|
|
expect(time - lastCall).to.be.closeTo(0.25, 0.01);
|
|
}
|
|
lastCall = time;
|
|
}
|
|
}).start(0);
|
|
Transport.start();
|
|
}, 0.7);
|
|
});
|
|
|
|
it ("can adjust the playbackRate after starting", function(){
|
|
return Offline(function(Transport){
|
|
var lastCall;
|
|
var note = new Event({
|
|
"playbackRate" : 1,
|
|
"loopEnd" : 0.25,
|
|
"loop" : true,
|
|
"callback" : function(time){
|
|
if (lastCall){
|
|
expect(time - lastCall).to.be.closeTo(0.5, 0.01);
|
|
} else {
|
|
note.playbackRate = 0.5;
|
|
}
|
|
lastCall = time;
|
|
}
|
|
}).start(0);
|
|
Transport.start();
|
|
}, 1.2);
|
|
|
|
});
|
|
|
|
it ("can humanize the callback by some amount", function(){
|
|
return Offline(function(Transport){
|
|
var lastCall;
|
|
var note = new Event({
|
|
"humanize" : 0.05,
|
|
"loopEnd" : 0.25,
|
|
"loop" : true,
|
|
"callback" : function(time){
|
|
if (lastCall){
|
|
expect(time - lastCall).to.be.within(0.2, 0.3);
|
|
}
|
|
lastCall += 0.25;
|
|
}
|
|
}).start(0);
|
|
Transport.start();
|
|
}, 0.6);
|
|
});
|
|
|
|
});
|
|
|
|
});
|
|
}); |