mirror of
https://github.com/Tonejs/Tone.js
synced 2024-12-26 19:43:12 +00:00
284 lines
8.1 KiB
TypeScript
284 lines
8.1 KiB
TypeScript
import { expect } from "chai";
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import { BasicTests, warns } from "test/helper/Basic";
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import { CompareToFile } from "test/helper/CompareToFile";
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import { atTime, Offline } from "test/helper/Offline";
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import { OutputAudio } from "test/helper/OutputAudio";
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import { PolySynth } from "./PolySynth";
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import { Synth } from "./Synth";
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import { FMSynth } from "./FMSynth";
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import { PluckSynth } from "./PluckSynth";
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import { MetalSynth } from "./MetalSynth";
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import { MembraneSynth } from "./MembraneSynth";
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describe("PolySynth", () => {
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BasicTests(PolySynth);
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it("matches a file", () => {
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return CompareToFile(() => {
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const synth = new PolySynth().toDestination();
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synth.triggerAttackRelease("C4", 0.2, 0);
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synth.triggerAttackRelease("C4", 0.1, 0.1);
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synth.triggerAttackRelease("E4", 0.1, 0.2);
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synth.triggerAttackRelease("E4", 0.1, 0.3);
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synth.triggerAttackRelease("G4", 0.1, 0.4);
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synth.triggerAttackRelease("B4", 0.1, 0.4);
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synth.triggerAttackRelease("C4", 0.2, 0.5);
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}, "polySynth.wav", 0.6);
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});
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it("matches another file", () => {
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return CompareToFile(() => {
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const synth = new PolySynth().toDestination();
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synth.triggerAttackRelease(["C4", "E4", "G4", "B4"], 0.2, 0);
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synth.triggerAttackRelease(["C4", "E4", "G4", "B4"], 0.2, 0.3);
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}, "polySynth2.wav", 0.6);
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});
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it("matches a file and chooses the right voice", () => {
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return CompareToFile(() => {
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const synth = new PolySynth().toDestination();
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synth.triggerAttackRelease(["C4", "E4"], 1, 0);
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synth.triggerAttackRelease("G4", 0.1, 0.2);
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synth.triggerAttackRelease("B4", 0.1, 0.4);
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synth.triggerAttackRelease("G4", 0.1, 0.6);
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}, "polySynth3.wav", 0.5);
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});
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it("can be constructed with monophonic synths", () => {
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expect(() => {
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const polySynth = new PolySynth(Synth);
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polySynth.dispose();
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}).to.not.throw(Error);
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expect(() => {
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const polySynth = new PolySynth(FMSynth);
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polySynth.dispose();
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}).to.not.throw(Error);
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expect(() => {
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const polySynth = new PolySynth(MetalSynth);
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polySynth.dispose();
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}).to.not.throw(Error);
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expect(() => {
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const polySynth = new PolySynth(MembraneSynth);
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polySynth.dispose();
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}).to.not.throw(Error);
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});
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context("Playing Notes", () => {
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it("triggerAttackRelease can take an array of durations", () => {
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return OutputAudio(() => {
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const polySynth = new PolySynth();
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polySynth.toDestination();
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polySynth.triggerAttackRelease(["C4", "D4"], [0.1, 0.2]);
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});
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});
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it("triggerAttack and triggerRelease can be invoked without arrays", () => {
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return Offline(() => {
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const polySynth = new PolySynth();
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polySynth.set({ envelope: { release: 0.1 } });
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polySynth.toDestination();
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polySynth.triggerAttack("C4", 0);
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polySynth.triggerRelease("C4", 0.1);
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}, 0.3).then(buffer => {
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expect(buffer.getTimeOfFirstSound()).to.be.closeTo(0, 0.01);
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expect(buffer.getValueAtTime(0.2)).to.be.closeTo(0, 0.01);
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});
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});
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it("can stop all of the currently playing sounds", () => {
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return Offline(() => {
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const polySynth = new PolySynth();
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polySynth.set({ envelope: { release: 0.1 } });
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polySynth.toDestination();
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polySynth.triggerAttack(["C4", "E4", "G4", "B4"], 0);
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return atTime(0.1, () => {
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polySynth.releaseAll();
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});
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}, 0.3).then((buffer) => {
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expect(buffer.getTimeOfFirstSound()).to.be.closeTo(0, 0.01);
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expect(buffer.getTimeOfLastSound()).to.be.closeTo(0.2, 0.01);
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});
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});
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it("is silent before being triggered", () => {
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return Offline(() => {
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const polySynth = new PolySynth();
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polySynth.toDestination();
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}).then((buffer) => {
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expect(buffer.isSilent()).to.be.true;
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});
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});
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it("can be scheduled to start in the future", () => {
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return Offline(() => {
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const polySynth = new PolySynth();
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polySynth.toDestination();
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polySynth.triggerAttack("C4", 0.1);
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}, 0.3).then((buffer) => {
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expect(buffer.getTimeOfFirstSound()).to.be.closeTo(0.1, 0.01);
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});
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});
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it("can be synced to the transport", () => {
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return Offline(({ transport }) => {
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const polySynth = new PolySynth(Synth, {
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envelope: {
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release: 0.1,
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},
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}).sync();
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polySynth.toDestination();
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polySynth.triggerAttackRelease("C4", 0.1, 0.1);
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polySynth.triggerAttackRelease("E4", 0.1, 0.3);
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transport.start(0.1);
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}, 0.8).then((buffer) => {
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expect(buffer.getTimeOfFirstSound()).to.be.closeTo(0.2, 0.01);
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expect(buffer.getTimeOfLastSound()).to.be.closeTo(0.6, 0.01);
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});
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});
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it("disposes voices when they are no longer used", () => {
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return Offline(() => {
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const polySynth = new PolySynth(Synth, {
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envelope: {
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release: 0.1,
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},
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});
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polySynth.toDestination();
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polySynth.triggerAttackRelease(["C4", "E4", "G4", "B4", "D5"], 0.1, 0);
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return [
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atTime(0, () => {
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expect(polySynth.activeVoices).to.equal(5);
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}),
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atTime(0.3, () => {
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expect(polySynth.activeVoices).to.equal(0);
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}),
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];
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}, 10);
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});
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it("warns when too much polyphony is attempted and notes are dropped", () => {
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warns(() => {
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return Offline(() => {
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const polySynth = new PolySynth({
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maxPolyphony: 2,
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});
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polySynth.toDestination();
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polySynth.triggerAttack(["C4", "D4", "G4"], 0.1);
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}, 0.3);
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});
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});
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it("reports the active notes", () => {
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return Offline(() => {
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const polySynth = new PolySynth();
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polySynth.set({ envelope: { release: 0.1 } });
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polySynth.toDestination();
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polySynth.triggerAttackRelease("C4", 0.1, 0.1);
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polySynth.triggerAttackRelease("D4", 0.1, 0.2);
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polySynth.triggerAttackRelease("C4", 0.1, 0.5);
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polySynth.triggerAttackRelease("C4", 0.1, 0.6);
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return [
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atTime(0, () => {
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expect(polySynth.activeVoices).to.equal(0);
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}),
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atTime(0.1, () => {
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expect(polySynth.activeVoices).to.equal(1);
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}),
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atTime(0.2, () => {
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expect(polySynth.activeVoices).to.equal(2);
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}),
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atTime(0.3, () => {
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expect(polySynth.activeVoices).to.equal(1);
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}),
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atTime(0.4, () => {
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expect(polySynth.activeVoices).to.equal(0);
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}),
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atTime(0.5, () => {
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expect(polySynth.activeVoices).to.equal(1);
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}),
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atTime(0.6, () => {
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expect(polySynth.activeVoices).to.equal(2);
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}),
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atTime(0.7, () => {
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expect(polySynth.activeVoices).to.equal(1);
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}),
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atTime(0.8, () => {
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expect(polySynth.activeVoices).to.equal(0);
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}),
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];
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}, 1);
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});
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it("can trigger another attack before the release has ended", () => {
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// compute the end time
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return Offline(() => {
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const synth = new PolySynth(Synth, {
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envelope: {
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release: 0.1,
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},
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});
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synth.toDestination();
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synth.triggerAttack("C4", 0.05);
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synth.triggerRelease("C4", 0.1);
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synth.triggerAttack("C4", 0.15);
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synth.triggerRelease("C4", 0.2);
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}, 1).then((buffer) => {
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expect(buffer.getTimeOfLastSound()).to.be.closeTo(0.3, 0.01);
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});
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});
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it("can trigger another attack right after the release has ended", () => {
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// compute the end time
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return Offline(() => {
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const synth = new PolySynth(Synth, {
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envelope: {
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release: 0.1,
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},
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});
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synth.toDestination();
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synth.triggerAttack("C4", 0.05);
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synth.triggerRelease("C4", 0.1);
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synth.triggerAttack("C4", 0.2);
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synth.triggerRelease("C4", 0.3);
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return atTime(0.41, () => {
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expect(synth.activeVoices).to.equal(0);
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});
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}, 1).then((buffer) => {
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expect(buffer.getTimeOfLastSound()).to.be.closeTo(0.4, 0.01);
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});
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});
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});
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context("API", () => {
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it("can be constructed with an options object", () => {
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const polySynth = new PolySynth(Synth, {
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envelope: {
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sustain: 0.3,
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},
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});
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expect(polySynth.get().envelope.sustain).to.equal(0.3);
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polySynth.dispose();
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});
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it("can pass in the volume", () => {
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const polySynth = new PolySynth({
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volume: -12,
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});
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expect(polySynth.volume.value).to.be.closeTo(-12, 0.1);
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polySynth.dispose();
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});
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it("can get/set attributes", () => {
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const polySynth = new PolySynth();
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polySynth.set({
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envelope: { decay: 3 },
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});
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expect(polySynth.get().envelope.decay).to.equal(3);
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polySynth.dispose();
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});
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});
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});
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