mirror of
https://github.com/Tonejs/Tone.js
synced 2024-11-17 00:58:09 +00:00
667 lines
No EOL
18 KiB
JavaScript
667 lines
No EOL
18 KiB
JavaScript
define(["Test", "Tone/core/Transport", "Tone/core/Tone", "helper/Offline2", "Tone/type/TransportTime"],
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function (Test, Transport, Tone, Offline, TransportTime) {
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describe("Transport", function(){
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function resetTransport(done){
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Tone.Transport.cancel(0);
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Tone.Transport.off("start stop pause loop");
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Tone.Transport.stop();
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Tone.Transport.loop = false;
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Tone.Transport.bpm.value = 120;
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Tone.Transport.timeSignature = [4, 4];
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setTimeout(done, 200);
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}
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it("exists", function(){
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expect(Tone.Transport).to.exist;
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});
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context("BPM and timeSignature", function(){
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afterEach(resetTransport);
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it("can get and set bpm", function(){
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Tone.Transport.bpm.value = 125;
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expect(Tone.Transport.bpm.value).to.be.closeTo(125, 0.001);
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//reset the bpm
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Tone.Transport.bpm.value = 120;
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expect(Tone.Transport.bpm._param.value).to.equal(2 * Tone.Transport.PPQ);
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});
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it("can get and set timeSignature as both an array or number", function(){
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Tone.Transport.timeSignature = [6, 8];
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expect(Tone.Transport.timeSignature).to.equal(3);
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Tone.Transport.timeSignature = 5;
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expect(Tone.Transport.timeSignature).to.equal(5);
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Tone.Transport.timeSignature = [4, 4];
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});
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it("can get and set timeSignature as both an array or number", function(){
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Tone.Transport.timeSignature = [6, 8];
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expect(Tone.Transport.timeSignature).to.equal(3);
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Tone.Transport.timeSignature = 5;
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expect(Tone.Transport.timeSignature).to.equal(5);
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Tone.Transport.timeSignature = [4, 4];
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});
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});
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context("looping", function(){
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afterEach(resetTransport);
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it("can get and set loop points", function(){
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Tone.Transport.loopStart = 0.2;
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Tone.Transport.loopEnd = 0.4;
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expect(Tone.Transport.loopStart).to.be.closeTo(0.2, 0.01);
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expect(Tone.Transport.loopEnd).to.be.closeTo(0.4, 0.01);
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Tone.Transport.setLoopPoints(0, "1m");
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expect(Tone.Transport.loopStart).to.be.closeTo(0, 0.01);
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expect(Tone.Transport.loopEnd).to.be.closeTo(Tone.Transport.toSeconds("1m"), 0.01);
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});
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it ("can loop events scheduled on the transport", function(done){
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Offline(function(dest, testFn, after){
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var invocations = 0;
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Tone.Transport.schedule(function(){
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invocations++;
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}, 0);
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Tone.Transport.setLoopPoints(0, "4n").start();
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Tone.Transport.loop = true;
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after(function(){
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expect(invocations).to.be.greaterThan(1);
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Tone.Transport.loop = false;
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Tone.Transport.stop();
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Tone.Transport.cancel(0);
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done();
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});
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}, 1);
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});
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});
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context("nextSubdivision", function(){
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afterEach(resetTransport);
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it("returns 0 if the transports not started", function(){
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expect(Tone.Transport.nextSubdivision()).to.equal(0);
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});
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it("can get the next subdivision of the transport", function(done){
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var now = Tone.Transport.now() + 0.1;
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Tone.Transport.start(now);
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setTimeout(function(){
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expect(Tone.Transport.nextSubdivision(0.5)).to.be.closeTo(now + 1, 0.01);
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expect(Tone.Transport.nextSubdivision(2)).to.be.closeTo(now + 2, 0.01);
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expect(Tone.Transport.nextSubdivision("8n")).to.be.closeTo(now + 0.75, 0.01);
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done();
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}, 600);
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});
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});
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context("PPQ", function(){
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afterEach(resetTransport);
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it("can get and set pulses per quarter", function(){
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var origPPQ = Tone.Transport.PPQ;
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Tone.Transport.PPQ = 96;
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expect(Tone.Transport.PPQ).to.equal(96);
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Tone.Transport.PPQ = origPPQ;
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});
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});
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context("position", function(){
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afterEach(resetTransport);
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it("can jump to a specific tick number", function(done){
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Offline(function(dest, test, after){
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Tone.Transport.ticks = 200;
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expect(Tone.Transport.ticks).to.equal(200);
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Tone.Transport.start();
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after(function(){
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expect(Tone.Transport.ticks).to.at.least(200);
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Tone.Transport.stop();
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done();
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});
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}, 0.1);
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});
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it("can get the current position in BarsBeatsSixteenths", function(done){
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Offline(function(dest, test, after){
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expect(Tone.Transport.position).to.equal("0:0:0");
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Tone.Transport.start();
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after(function(){
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expect(Tone.Transport.position).to.not.equal("0:0:0");
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Tone.Transport.stop();
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done();
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});
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}, 0.1);
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});
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it("can set the current position in BarsBeatsSixteenths", function(){
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expect(Tone.Transport.position).to.equal("0:0:0");
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Tone.Transport.position = "3:0";
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expect(Tone.Transport.position).to.equal("3:0:0");
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Tone.Transport.position = "0:0";
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expect(Tone.Transport.position).to.equal("0:0:0");
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});
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it ("can get the progress of the loop", function(){
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Tone.Transport.setLoopPoints(0, "1m").start();
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Tone.Transport.loop = true;
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expect(Tone.Transport.progress).to.be.equal(0);
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Tone.Transport.position = "2n";
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expect(Tone.Transport.progress).to.be.closeTo(0.5, 0.001);
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Tone.Transport.position = "2n + 4n";
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expect(Tone.Transport.progress).to.be.closeTo(0.75, 0.001);
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});
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});
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context("state", function(){
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afterEach(resetTransport);
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it("can start, pause, and stop", function(done){
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Offline(function(dest, test, after){
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Tone.Transport.start(0).pause(0.2).stop(0.4);
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test(function(sample, time){
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if (time < 0.2){
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expect(Tone.Transport.state).to.equal("started");
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} else if (time < 0.4){
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expect(Tone.Transport.state).to.equal("paused");
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} else {
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expect(Tone.Transport.state).to.equal("stopped");
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}
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});
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after(function(){
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expect(Tone.Transport.state).to.equal("stopped");
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done();
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});
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}, 0.5);
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});
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});
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context("ticks", function(){
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afterEach(resetTransport);
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it("resets ticks on stop but not on pause", function(done){
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Offline(function(dest, test, after){
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Tone.Transport.start().pause(0.1).stop(0.2);
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var pausedTicks = 0;
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test(function(sample, time){
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if (time <= 0.1){
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expect(Tone.Transport.ticks).to.be.greaterThan(0);
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pausedTicks = Tone.Transport.ticks;
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} else if (time <= 0.19){
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expect(Tone.Transport.ticks).to.equal(pausedTicks);
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} else if (time > 0.21){
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expect(Tone.Transport.ticks).to.equal(0);
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}
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});
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after(done);
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}, 0.5);
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});
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it("tracks ticks after start", function(done){
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Offline(function(dest, test, after){
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Tone.Transport.bpm.value = 120;
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Tone.Transport.start();
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after(function(){
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expect(Tone.Transport.ticks).to.at.least(192);
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done();
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});
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}, 0.6);
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});
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it("can start with a tick offset", function(done){
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Offline(function(dest, test, after){
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Tone.Transport.start(0, "200i");
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test(function(sample, time){
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if (time > 0){
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expect(Tone.Transport.ticks).to.at.least(200);
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}
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});
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after(function(){
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expect(Tone.Transport.ticks).to.at.least(200);
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done();
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});
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}, 0.1);
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});
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it("tracks ticks correctly with a different PPQ and BPM", function(done){
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Offline(function(dest, test, after){
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var origPPQ = Tone.Transport.PPQ;
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Tone.Transport.PPQ = 96;
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Tone.Transport.bpm.value = 90;
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Tone.Transport.start();
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after(function(){
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expect(Tone.Transport.ticks).to.at.least(72);
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Tone.Transport.PPQ = origPPQ;
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done();
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});
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}, 0.6);
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});
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});
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context("schedule", function(){
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afterEach(resetTransport);
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it ("can schedule an event on the timeline", function(){
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var eventID = Tone.Transport.schedule(function(){}, 0);
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expect(eventID).to.be.a.number;
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});
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it ("scheduled event gets invoked with the time of the event", function(done){
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var startTime = Tone.Transport.now() + 0.1;
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Tone.Transport.schedule(function(time){
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expect(time).to.equal(startTime);
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done();
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}, 0);
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Tone.Transport.start(startTime);
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});
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it ("can schedule events with TransportTime", function(done){
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var startTime = Tone.Transport.now() + 0.1;
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var eighth = Tone.Transport.toSeconds("8n");
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Tone.Transport.schedule(function(time){
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expect(time).to.be.closeTo(startTime + eighth, 0.01);
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done();
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}, TransportTime("8n"));
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Tone.Transport.start(startTime);
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});
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it ("can cancel a scheduled event", function(done){
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var eventID = Tone.Transport.schedule(function(){
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throw new Error("should not call this function");
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}, 0);
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Tone.Transport.cancel(eventID);
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Tone.Transport.stop();
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setTimeout(done, 100);
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});
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it ("can cancel the timeline of scheduled object", function(){
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Tone.Transport.schedule(Tone.noOp, 0);
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Tone.Transport.schedule(Tone.noOp, 1);
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Tone.Transport.schedule(Tone.noOp, 2);
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expect(Tone.Transport._timeline.length).to.equal(3);
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Tone.Transport.cancel(2);
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expect(Tone.Transport._timeline.length).to.equal(2);
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Tone.Transport.cancel(0);
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expect(Tone.Transport._timeline.length).to.equal(0);
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});
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it ("can cancel the timeline of schedulOnce object", function(){
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Tone.Transport.scheduleOnce(Tone.noOp, 0);
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Tone.Transport.scheduleOnce(Tone.noOp, 1);
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Tone.Transport.scheduleOnce(Tone.noOp, 2);
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expect(Tone.Transport._onceEvents.length).to.equal(3);
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Tone.Transport.cancel(2);
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expect(Tone.Transport._onceEvents.length).to.equal(2);
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Tone.Transport.cancel(0);
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expect(Tone.Transport._onceEvents.length).to.equal(0);
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});
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it ("scheduled event anywhere along the timeline", function(done){
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var startTime = Tone.Transport.now();
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Tone.Transport.schedule(function(time){
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expect(time).to.be.closeTo(startTime + 0.5, 0.001);
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done();
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}, 0.5);
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Tone.Transport.start(startTime);
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});
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it ("can schedule multiple events and invoke them in the right order", function(done){
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var first = false;
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Tone.Transport.schedule(function(){
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first = true;
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}, 0.5);
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Tone.Transport.schedule(function(){
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expect(first).to.be.true;
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done();
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}, 0.51);
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Tone.Transport.start();
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});
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it ("invokes the event again if the timeline is restarted", function(done){
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Offline(function(dest, test, after){
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var iterations = 0;
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Tone.Transport.schedule(function(){
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iterations++;
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}, 0.05);
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Tone.Transport.start(0).stop(0.1).start(0.2);
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after(function(){
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expect(iterations).to.be.equal(2);
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done();
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});
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}, 0.3);
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});
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});
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context("scheduleRepeat", function(){
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afterEach(resetTransport);
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it ("can schedule a repeated event", function(){
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var eventID = Tone.Transport.scheduleRepeat(function(){}, 1, 0);
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expect(eventID).to.be.a.number;
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});
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it ("scheduled event gets invoked with the time of the event", function(done){
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var startTime = Tone.Transport.now() + 0.1;
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var eventID = Tone.Transport.scheduleRepeat(function(time){
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Tone.Transport.clear(eventID);
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expect(time).to.equal(startTime);
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done();
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}, 1, 0);
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Tone.Transport.start(startTime);
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});
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it ("can schedule events with TransportTime", function(done){
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var startTime = Tone.Transport.now() + 0.1;
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var eighth = Tone.Transport.toSeconds("8n");
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Tone.Transport.scheduleRepeat(function(time){
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expect(time).to.be.closeTo(startTime + eighth, 0.01);
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done();
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}, "1n", TransportTime("8n"));
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Tone.Transport.start(startTime);
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});
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it ("can clear a scheduled event", function(done){
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var eventID = Tone.Transport.scheduleRepeat(function(){
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throw new Error("should not call this function");
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}, 1, 0);
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Tone.Transport.clear(eventID);
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Tone.Transport.stop();
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setTimeout(done, 100);
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});
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it ("can be scheduled in the future", function(done){
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var startTime = Tone.Transport.now() + 0.1;
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var eventID = Tone.Transport.scheduleRepeat(function(time){
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Tone.Transport.clear(eventID);
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expect(time).to.be.closeTo(startTime + 0.2, 0.01);
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done();
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}, 1, 0.2);
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Tone.Transport.start(startTime);
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});
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it ("repeats a repeat event", function(done){
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Offline(function(output, test, after){
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var invocations = 0;
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Tone.Transport.scheduleRepeat(function(){
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invocations++;
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}, 0.1, 0);
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Tone.Transport.start();
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after(function(){
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expect(invocations).to.be.above(9);
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done();
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});
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}, 1);
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});
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it ("repeats at the repeat interval", function(done){
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Offline(function(output, test, after){
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var repeatTime = -1;
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var eventID = Tone.Transport.scheduleRepeat(function(time){
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if (repeatTime !== -1){
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expect(time - repeatTime).to.be.closeTo(0.1, 0.01);
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}
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repeatTime = time;
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}, 0.1, 0);
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Tone.Transport.start();
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after(function(){
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Tone.Transport.clear(eventID);
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done();
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});
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});
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});
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it ("can schedule multiple events and invoke them in the right order", function(done){
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var first = false;
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var firstID = Tone.Transport.scheduleRepeat(function(){
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first = true;
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Tone.Transport.clear(firstID);
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}, 1, 0.5);
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var secondID = Tone.Transport.scheduleRepeat(function(){
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Tone.Transport.clear(secondID);
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expect(first).to.be.true;
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done();
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}, 1, 0.51);
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Tone.Transport.start();
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});
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it ("cannot schedule an event with an interval of 0", function(){
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expect(function(){
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Tone.Transport.scheduleRepeat(function(){}, 0, 10);
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}).to.throw(Error);
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});
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it ("repeats for the given duration", function(done){
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Offline(function(output, test, after){
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var repeatCount = 0;
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var eventID = Tone.Transport.scheduleRepeat(function(){
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repeatCount++;
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}, 0.1, 0, 0.5);
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Tone.Transport.start();
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after(function(){
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expect(repeatCount).to.at.least(5);
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Tone.Transport.clear(eventID);
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done();
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});
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}, 0.6);
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});
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});
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context("scheduleOnce", function(){
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afterEach(resetTransport);
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it ("can schedule a single event on the timeline", function(){
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var eventID = Tone.Transport.scheduleOnce(function(){}, 0);
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expect(eventID).to.be.a.number;
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});
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it ("scheduled event gets invoked with the time of the event", function(done){
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var startTime = Tone.Transport.now() + 0.1;
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var eventID = Tone.Transport.scheduleOnce(function(time){
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Tone.Transport.clear(eventID);
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expect(time).to.equal(startTime);
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done();
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}, 0);
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Tone.Transport.start(startTime);
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});
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it ("can schedule events with TransportTime", function(done){
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var startTime = Tone.Transport.now() + 0.1;
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var eighth = Tone.Transport.toSeconds("8n");
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Tone.Transport.scheduleOnce(function(time){
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expect(time).to.be.closeTo(startTime + eighth, 0.01);
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done();
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}, TransportTime("8n"));
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Tone.Transport.start(startTime);
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});
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it ("can cancel a scheduled event", function(done){
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var eventID = Tone.Transport.scheduleOnce(function(){
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throw new Error("should not call this function");
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}, 0);
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Tone.Transport.clear(eventID);
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Tone.Transport.stop();
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setTimeout(done, 200);
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});
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it ("can be scheduled in the future", function(done){
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|
var startTime = Tone.Transport.now() + 0.1;
|
|
var eventID = Tone.Transport.scheduleOnce(function(time){
|
|
Tone.Transport.clear(eventID);
|
|
expect(time).to.be.closeTo(startTime + 0.3, 0.01);
|
|
done();
|
|
}, 0.3);
|
|
Tone.Transport.start(startTime);
|
|
});
|
|
|
|
it ("the event is removed after is is invoked", function(done){
|
|
var iterations = 0;
|
|
Tone.Transport.scheduleOnce(function(){
|
|
iterations++;
|
|
expect(iterations).to.be.lessThan(2);
|
|
}, 0);
|
|
Tone.Transport.start().stop("+0.1").start("+0.2");
|
|
setTimeout(done, 500);
|
|
});
|
|
|
|
});
|
|
|
|
context("events", function(){
|
|
|
|
afterEach(resetTransport);
|
|
|
|
it("invokes start/stop/pause events", function(){
|
|
var count = 0;
|
|
Tone.Transport.on("start stop pause", function(){
|
|
count++;
|
|
});
|
|
Tone.Transport.start().pause("+0.1").stop("+0.2");
|
|
expect(count).to.equal(3);
|
|
});
|
|
|
|
it("passes in the time argument to the events", function(){
|
|
Tone.Transport.on("start", function(time){
|
|
expect(time).to.equal(3);
|
|
});
|
|
Tone.Transport.on("stop", function(time){
|
|
expect(time).to.equal(4);
|
|
});
|
|
Tone.Transport.start(3).stop(4);
|
|
});
|
|
|
|
it("invokes the 'loop' method on loop", function(done){
|
|
|
|
Offline(function(output, test, after){
|
|
|
|
var sixteenth = Tone.Transport.toSeconds("16n");
|
|
|
|
Tone.Transport.setLoopPoints(0, sixteenth);
|
|
Tone.Transport.loop = true;
|
|
|
|
var lastLoop = -1;
|
|
var loops = 0;
|
|
|
|
Tone.Transport.on("loop", function(time){
|
|
loops++;
|
|
if (lastLoop !== -1){
|
|
expect(time - lastLoop).to.be.closeTo(sixteenth, 0.001);
|
|
}
|
|
lastLoop = time;
|
|
});
|
|
|
|
Tone.Transport.start(0).stop(sixteenth * 5.1);
|
|
|
|
after(function(){
|
|
expect(loops).to.equal(5);
|
|
done();
|
|
});
|
|
|
|
}, 0.7);
|
|
});
|
|
});
|
|
|
|
context("swing", function(){
|
|
|
|
afterEach(resetTransport);
|
|
|
|
it("can get/set the swing subdivision", function(){
|
|
Tone.Transport.swingSubdivision = "8n";
|
|
expect(Tone.Transport.swingSubdivision).to.equal("8n");
|
|
Tone.Transport.swingSubdivision = "4n";
|
|
expect(Tone.Transport.swingSubdivision).to.equal("4n");
|
|
});
|
|
|
|
it("can get/set the swing amount", function(){
|
|
Tone.Transport.swing = 0.5;
|
|
expect(Tone.Transport.swing).to.equal(0.5);
|
|
Tone.Transport.swing = 0;
|
|
expect(Tone.Transport.swing).to.equal(0);
|
|
});
|
|
|
|
it("can swing", function(done){
|
|
Offline(function(output, test, after){
|
|
|
|
Tone.Transport.swing = 1;
|
|
Tone.Transport.swingSubdivision = "8n";
|
|
var eightNote = Tone.Transport.toSeconds("8n");
|
|
|
|
//downbeat, no swing
|
|
Tone.Transport.schedule(function(time){
|
|
expect(time).is.closeTo(0, 0.001);
|
|
}, 0);
|
|
|
|
//eighth note has swing
|
|
Tone.Transport.schedule(function(time){
|
|
expect(time).is.closeTo(eightNote * 5/3, 0.001);
|
|
}, "8n");
|
|
|
|
//sixteenth note is also swung
|
|
Tone.Transport.schedule(function(time){
|
|
expect(time).is.closeTo(eightNote, 0.05);
|
|
}, "16n");
|
|
|
|
//no swing on the quarter
|
|
Tone.Transport.schedule(function(time){
|
|
expect(time).is.closeTo(eightNote * 2, 0.001);
|
|
}, "4n");
|
|
|
|
Tone.Transport.start(0).stop(0.7);
|
|
|
|
after(function(){
|
|
Tone.Transport.swing = 0;
|
|
done();
|
|
});
|
|
|
|
}, 0.7);
|
|
});
|
|
});
|
|
|
|
});
|
|
}); |