define(["Test", "Tone/source/Source", "Tone/core/Transport", "helper/Offline2", "Tone/core/Tone"], function (Test, Source, Transport, OfflineTest, Tone) { describe("Source", function(){ it("can be created and disposed", function(){ var source = new Source(); source.dispose(); Test.wasDisposed(source); }); it("can be started and stopped", function(){ var source = new Source(); source.start(0); source.stop(1); source.dispose(); }); it("can be constructed with an options object", function(){ var source = new Source({ "volume" : -20, }); expect(source.volume.value).to.be.closeTo(-20, 0.1); source.dispose(); }); it("can be muted in the constructor options", function(){ var source = new Source({ "mute" : true }); expect(source.mute).to.be.true; source.dispose(); }); it("can set the volume", function(){ var source = new Source(); source.volume.value = -8; expect(source.volume.value).to.be.closeTo(-8, 0.1); source.dispose(); }); it("can mute and unmute the source", function(){ var source = new Source(); source.volume.value = -8; source.mute = true; expect(source.mute).to.be.true; expect(source.volume.value).to.equal(-Infinity); source.mute = false; //returns the volume to what it was expect(source.volume.value).to.be.closeTo(-8, 0.1); source.dispose(); }); it("can get and set values with an object", function(){ var source = new Source(); source.set("volume", -10); expect(source.get().volume).to.be.closeTo(-10, 0.1); source.dispose(); }); it("is initally stopped", function(){ var source = new Source(); expect(source.state).to.equal("stopped"); source.dispose(); }); it("cannot be scheduled to stop/start twice in a row", function(){ var source = new Source(); source.start(0).start(1); source.stop(2).stop(3); source.dispose(); }); it("has an output", function(){ var source = new Source(); source.connect(Test); source.dispose(); }); it("can be scheduled with multiple starts/stops", function(){ var source = new Source(); source.start(0).stop(0.5).start(0.75).stop(1).start(1.25).stop(1.5); expect(source._state.getStateAtTime(0)).to.equal("started"); expect(source._state.getStateAtTime(0.5)).to.equal("stopped"); expect(source._state.getStateAtTime(0.8)).to.equal("started"); expect(source._state.getStateAtTime(1)).to.equal("stopped"); expect(source._state.getStateAtTime(1.25)).to.equal("started"); expect(source._state.getStateAtTime(1.6)).to.equal("stopped"); source.dispose(); }); it ("correctly returns the scheduled play state", function(done){ OfflineTest(function(output, testFn, tearDown){ var source = new Source(); expect(source.state).to.equal("stopped"); source.start(0).stop(0.5); testFn(function(sample, time){ if (time >= 0 && time < 0.5){ expect(source.state).to.equal("started"); } else if (time > 0.5){ expect(source.state).to.equal("stopped"); } }); tearDown(function(){ source.dispose(); done(); }); }, 0.6); }); context("sync", function(){ it ("can sync its start to the Transport", function(){ var source = new Source(); source.sync().start(0); expect(source.state).to.equal("stopped"); Tone.Transport.start(); expect(source.state).to.equal("started"); source.dispose(); Tone.Transport.stop(); }); it ("can sync its stop to the Transport", function(done){ OfflineTest(function(output, testFn, tearDown){ var source = new Source(); source.sync().start(0); expect(source.state).to.equal("stopped"); Tone.Transport.start().stop(0.4); expect(source.state).to.equal("started"); testFn(function(sample, time){ if (time > 0.4){ expect(source.state).to.equal("stopped"); } }); tearDown(function(){ source.dispose(); done(); }); }, 0.5); }); it ("can schedule multiple starts/stops", function(done){ OfflineTest(function(output, testFn, tearDown){ var source = new Source(); source.sync().start(0.1).stop(0.2).start(0.3); Tone.Transport.start(0).stop(0.4); expect(source.state).to.equal("stopped"); testFn(function(sample, time){ if (time > 0.1 && time < 0.19){ expect(source.state).to.equal("started"); } else if (time > 0.2 && time < 0.29){ expect(source.state).to.equal("stopped"); } else if (time > 0.3 && time < 0.39){ expect(source.state).to.equal("started"); } else if (time > 0.4){ expect(source.state).to.equal("stopped"); } }); tearDown(function(){ source.dispose(); done(); }); }, 0.6); }); it ("has correct offset when the transport is started with an offset", function(done){ OfflineTest(function(output, testFn, tearDown){ var source = new Source(); source.sync().start(0.3).stop(0.4); Tone.Transport.start(0, 0.1); expect(source.state).to.equal("stopped"); testFn(function(sample, time){ if (time > 0.21 && time < 0.29){ expect(source.state).to.equal("started"); } else if (time > 0.3){ expect(source.state).to.equal("stopped"); } }); tearDown(function(){ source.dispose(); done(); }); }, 0.5); }); it ("can start with an offset after the start time of the source", function(){ var source = new Source(); source.sync().start(0); Tone.Transport.start(0, 0.1); expect(source.state).to.equal("started"); source.dispose(); }); it ("can sync its start to the Tone.Transport after a delay", function(done){ OfflineTest(function(output, testFn, tearDown){ var source = new Source(); source.sync().start(0.3); Tone.Transport.start(0).stop(0.4); expect(source.state).to.equal("stopped"); testFn(function(sample, time){ if (time > 0.3 && time < 0.39){ expect(source.state).to.equal("started"); } else if (time > 0.4){ expect(source.state).to.equal("stopped"); } }); tearDown(function(){ source.dispose(); done(); }); }, 0.6); }); it ("correct state when the Transport position is changed", function(done){ OfflineTest(function(output, testFn, tearDown){ var source = new Source(); source.sync().start(0.3).stop(0.4); Tone.Transport.start(0).stop(0.4); expect(source.state).to.equal("stopped"); Tone.Transport.seconds = 0.305; expect(source.state).to.equal("started"); Tone.Transport.seconds = 0.405; expect(source.state).to.equal("stopped"); tearDown(function(){ source.dispose(); done(); }); }, 0.1); }); it ("gives the correct offset on time on start/stop events", function(done){ OfflineTest(function(output, testFn, tearDown){ var source = new Source(); source._start = function(time, offset){ expect(time).to.be.closeTo(0.3, 0.05); expect(offset).to.be.closeTo(0.2, 0.05); }; source._stop = function(time){ expect(time).to.be.closeTo(0.6, 0.05); }; source.sync().start(0.2, 0.1); Tone.Transport.start(0.3, 0.3).stop(0.4); tearDown(function(){ source.dispose(); done(); }); }, 0.7); }); it ("can unsync after it was synced", function(){ var source = new Source(); source.sync().start(0); source.unsync(); Tone.Transport.start(); expect(source.state).to.equal("stopped"); }); }); }); });