mirror of
https://github.com/Tonejs/Tone.js
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aaf880c925
* WIP moving tests to web-test-runner * updating thresholds * Adding file extensions * Testing integrations * linting * fixing dep * moving back to root dir * prettier all of the files * updating eslint rules to use with prettier * remove import package * moving tsignore around * removing unneeded ignores * all tests run on puppeteer, no need for testing guards * linting * import type syntax * cleaning up * Update package.json
127 lines
3 KiB
TypeScript
127 lines
3 KiB
TypeScript
import { expect } from "chai";
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import { BasicTests } from "../../../test/helper/Basic.js";
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import { CompareToFile } from "../../../test/helper/CompareToFile.js";
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import { Offline } from "../../../test/helper/Offline.js";
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import { OscillatorTests } from "../../../test/helper/OscillatorTests.js";
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import { SourceTests } from "../../../test/helper/SourceTests.js";
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import { PulseOscillator } from "./PulseOscillator.js";
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describe("PulseOscillator", () => {
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// run the common tests
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BasicTests(PulseOscillator);
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SourceTests(PulseOscillator);
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OscillatorTests(PulseOscillator);
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it("matches a file", () => {
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return CompareToFile(
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() => {
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const osc = new PulseOscillator({
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width: 0.2,
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}).toDestination();
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osc.start(0);
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},
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"pulseOscillator.wav",
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0.03
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);
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});
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context("Phase Rotation", () => {
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it("can change the phase to 90", () => {
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return Offline(() => {
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const osc = new PulseOscillator({
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frequency: 1,
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phase: 90,
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width: 0,
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});
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osc.toDestination();
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osc.start(0);
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}, 1).then(async (buffer) => {
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buffer.forEach((sample, time) => {
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if (time < 0.25) {
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expect(sample).to.be.within(-1, 0);
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} else if (time > 0.25 && time < 0.5) {
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expect(sample).to.be.within(0, 1);
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}
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});
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});
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});
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it("can change the phase to -90", () => {
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return Offline(() => {
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const osc = new PulseOscillator({
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frequency: 1,
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phase: 270,
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width: 0,
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});
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osc.toDestination();
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osc.start(0);
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}, 1).then((buffer) => {
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buffer.forEach((sample, time) => {
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if (time < 0.25) {
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expect(sample).to.be.within(0, 1);
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} else if (time > 0.25 && time < 0.5) {
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expect(sample).to.be.within(-1, 0);
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}
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});
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});
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});
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});
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context("Width", () => {
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it("can set the width", () => {
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const osc = new PulseOscillator({
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width: 0.2,
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});
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expect(osc.width.value).to.be.closeTo(0.2, 0.001);
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osc.dispose();
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});
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it("outputs correctly with a width of 0", () => {
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return Offline(() => {
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const osc = new PulseOscillator({
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frequency: 1,
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width: 0,
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});
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osc.toDestination();
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osc.start(0);
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}, 0.9).then((buffer) => {
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buffer.forEach((sample, time) => {
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if (time > 0.51) {
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expect(sample).to.be.within(-1, 0);
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}
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});
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});
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});
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it("outputs correctly with a width of 0.5", () => {
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return Offline(() => {
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const osc = new PulseOscillator({
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frequency: 1,
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width: 0.5,
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});
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osc.toDestination();
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osc.start(0);
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}, 1).then((buffer) => {
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buffer.forEach((sample, time) => {
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if (time <= 0.6) {
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expect(sample).to.be.within(0, 1);
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} else if (time >= 0.63 && time <= 0.87) {
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expect(sample).to.be.within(-1, 0);
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} else if (time > 0.9) {
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expect(sample).to.be.within(0, 1);
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}
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});
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});
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});
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});
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context("Types", () => {
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it("reports it's type", () => {
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const osc = new PulseOscillator();
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expect(osc.type).to.equal("pulse");
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expect(osc.baseType).to.equal("pulse");
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expect(osc.partials).to.deep.equal([]);
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osc.dispose();
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});
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});
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});
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