Tone.js/Tone/effect/Tremolo.test.ts
Yotam Mann aaf880c925
Using web-test-runner for tests, updating import paths (#1242)
* 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
2024-05-03 14:31:14 -04:00

88 lines
2.5 KiB
TypeScript

import { Tremolo } from "./Tremolo.js";
import { BasicTests } from "../../test/helper/Basic.js";
import { EffectTests } from "../../test/helper/EffectTests.js";
import { Offline } from "../../test/helper/Offline.js";
import { expect } from "chai";
import { CompareToFile } from "../../test/helper/CompareToFile.js";
import { Oscillator } from "../source/index.js";
describe("Tremolo", () => {
BasicTests(Tremolo);
EffectTests(Tremolo);
it("matches a file", () => {
return CompareToFile(
() => {
const tremolo = new Tremolo().toDestination().start(0.2);
const osc = new Oscillator().connect(tremolo).start();
},
"tremolo.wav",
0.05
);
});
context("API", () => {
it("can pass in options in the constructor", () => {
const tremolo = new Tremolo({
depth: 0.2,
type: "sawtooth",
spread: 160,
});
expect(tremolo.depth.value).to.be.closeTo(0.2, 0.001);
expect(tremolo.type).to.equal("sawtooth");
expect(tremolo.spread).to.equal(160);
tremolo.dispose();
});
it("can be started and stopped", () => {
const tremolo = new Tremolo();
tremolo.start().stop("+0.2");
tremolo.dispose();
});
it("can get/set the options", () => {
const tremolo = new Tremolo();
tremolo.set({
frequency: 2.4,
type: "triangle",
});
expect(tremolo.get().frequency).to.be.closeTo(2.4, 0.01);
expect(tremolo.get().type).to.equal("triangle");
tremolo.dispose();
});
it("can set the frequency and depth", () => {
const tremolo = new Tremolo();
tremolo.depth.value = 0.4;
tremolo.frequency.value = 0.4;
expect(tremolo.depth.value).to.be.closeTo(0.4, 0.01);
expect(tremolo.frequency.value).to.be.closeTo(0.4, 0.01);
tremolo.dispose();
});
it("can sync the frequency to the transport", () => {
return Offline(({ transport }) => {
const tremolo = new Tremolo(2);
tremolo.sync();
tremolo.frequency.toDestination();
transport.bpm.setValueAtTime(transport.bpm.value * 2, 0.05);
}, 0.1).then((buffer) => {
expect(buffer.getValueAtTime(0)).to.be.closeTo(2, 0.1);
expect(buffer.getValueAtTime(0.05)).to.be.closeTo(4, 0.1);
});
});
it("can unsync the frequency to the transport", () => {
return Offline(({ transport }) => {
const tremolo = new Tremolo(2);
tremolo.sync();
tremolo.frequency.toDestination();
transport.bpm.setValueAtTime(transport.bpm.value * 2, 0.05);
tremolo.unsync();
}, 0.1).then((buffer) => {
expect(buffer.getValueAtTime(0)).to.be.closeTo(2, 0.1);
expect(buffer.getValueAtTime(0.05)).to.be.closeTo(2, 0.1);
});
});
});
});