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
110 lines
2.8 KiB
TypeScript
110 lines
2.8 KiB
TypeScript
import { expect } from "chai";
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import { BasicTests, warns } from "../../../test/helper/Basic.js";
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import { PassAudio } from "../../../test/helper/PassAudio.js";
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import { Signal } from "../../signal/Signal.js";
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import { Oscillator } from "../../source/oscillator/Oscillator.js";
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import { Meter } from "./Meter.js";
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import { Panner } from "../channel/Panner.js";
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import { Merge } from "../channel/Merge.js";
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describe("Meter", () => {
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BasicTests(Meter);
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context("Metering", () => {
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it("handles getter/setter as Object", () => {
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const meter = new Meter();
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const values = {
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smoothing: 0.2,
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};
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meter.set(values);
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expect(meter.get().smoothing).to.equal(0.2);
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meter.dispose();
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});
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it("can be constructed with the smoothing", () => {
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const meter = new Meter(0.5);
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expect(meter.smoothing).to.equal(0.5);
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meter.dispose();
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});
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it("returns an array of channels if channels > 1", () => {
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const meter = new Meter({
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channelCount: 4,
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});
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expect((meter.getValue() as number[]).length).to.equal(4);
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meter.dispose();
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});
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it("can be constructed with an object", () => {
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const meter = new Meter({
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smoothing: 0.3,
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});
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expect(meter.smoothing).to.equal(0.3);
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meter.dispose();
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});
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it("passes the audio through", () => {
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return PassAudio((input) => {
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const meter = new Meter().toDestination();
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input.connect(meter);
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});
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});
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it("warns of deprecated method", () => {
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warns(() => {
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const meter = new Meter().toDestination();
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meter.getLevel();
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meter.dispose();
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});
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});
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it("can get the rms level of the incoming signal", (done) => {
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const meter = new Meter();
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const osc = new Oscillator().connect(meter).start();
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osc.volume.value = -6;
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setTimeout(() => {
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expect(meter.getValue()).to.be.closeTo(-9, 1);
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meter.dispose();
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osc.dispose();
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done();
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}, 400);
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});
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it("can get the values in normal range", (done) => {
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const meter = new Meter({
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normalRange: true,
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});
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const osc = new Oscillator().connect(meter).start();
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osc.volume.value = -6;
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setTimeout(() => {
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expect(meter.getValue()).to.be.closeTo(0.35, 0.15);
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meter.dispose();
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osc.dispose();
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done();
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}, 400);
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});
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it("can get the rms levels for multiple channels", (done) => {
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const meter = new Meter({
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channelCount: 2,
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smoothing: 0.5,
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});
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const merge = new Merge().connect(meter);
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const osc0 = new Oscillator().connect(merge, 0, 0).start();
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const osc1 = new Oscillator().connect(merge, 0, 1).start();
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osc0.volume.value = -6;
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osc1.volume.value = -18;
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setTimeout(() => {
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const values = meter.getValue();
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expect(values).to.have.lengthOf(2);
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expect(values[0]).to.be.closeTo(-9, 1);
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expect(values[1]).to.be.closeTo(-21, 1);
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meter.dispose();
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merge.dispose();
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osc0.dispose();
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osc1.dispose();
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done();
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}, 400);
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});
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});
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});
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