mirror of
https://github.com/Tonejs/Tone.js
synced 2025-01-13 12:28:47 +00:00
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
82 lines
1.8 KiB
TypeScript
82 lines
1.8 KiB
TypeScript
import { expect } from "chai";
|
|
import { BasicTests } from "../../../test/helper/Basic.js";
|
|
import { Noise } from "../../source/Noise.js";
|
|
import { FFT } from "./FFT.js";
|
|
|
|
describe("FFT", () => {
|
|
BasicTests(FFT);
|
|
|
|
it("can get and set properties", () => {
|
|
const fft = new FFT();
|
|
fft.set({
|
|
size: 128,
|
|
smoothing: 0.4,
|
|
});
|
|
const values = fft.get();
|
|
expect(values.size).to.equal(128);
|
|
expect(values.smoothing).to.equal(0.4);
|
|
fft.dispose();
|
|
});
|
|
|
|
it("can correctly set the size", () => {
|
|
const fft = new FFT(512);
|
|
expect(fft.size).to.equal(512);
|
|
fft.size = 1024;
|
|
expect(fft.size).to.equal(1024);
|
|
fft.dispose();
|
|
});
|
|
|
|
it("can set the smoothing", () => {
|
|
const fft = new FFT(512);
|
|
fft.smoothing = 0.2;
|
|
expect(fft.smoothing).to.equal(0.2);
|
|
fft.dispose();
|
|
});
|
|
|
|
it("can get the frequency values of each index of the return array", () => {
|
|
const fft = new FFT(32);
|
|
expect(fft.getFrequencyOfIndex(0)).to.be.closeTo(0, 1);
|
|
expect(fft.getFrequencyOfIndex(16)).to.be.closeTo(
|
|
fft.context.sampleRate / 4,
|
|
1
|
|
);
|
|
fft.dispose();
|
|
});
|
|
|
|
it("can run waveform analysis", (done) => {
|
|
const noise = new Noise();
|
|
const fft = new FFT(256);
|
|
noise.connect(fft);
|
|
noise.start();
|
|
|
|
setTimeout(() => {
|
|
const analysis = fft.getValue();
|
|
expect(analysis.length).to.equal(256);
|
|
analysis.forEach((value) => {
|
|
expect(value).is.within(-Infinity, 0);
|
|
});
|
|
fft.dispose();
|
|
noise.dispose();
|
|
done();
|
|
}, 300);
|
|
});
|
|
|
|
it("outputs a normal range", (done) => {
|
|
const noise = new Noise();
|
|
const fft = new FFT({
|
|
normalRange: true,
|
|
});
|
|
noise.connect(fft);
|
|
noise.start();
|
|
|
|
setTimeout(() => {
|
|
const analysis = fft.getValue();
|
|
analysis.forEach((value) => {
|
|
expect(value).is.within(0, 1);
|
|
});
|
|
fft.dispose();
|
|
noise.dispose();
|
|
done();
|
|
}, 300);
|
|
});
|
|
});
|