funkwhale/front/tests/unit/specs/audio/volume.spec.js

34 lines
1.2 KiB
JavaScript

import { expect } from 'chai'
import { toLinearVolumeScale, toLogarithmicVolumeScale } from '@/audio/volume'
describe('store/auth', () => {
describe('toLinearVolumeScale', () => {
describe('it should return real 0', () => {
expect(toLinearVolumeScale(0.0)).to.equal(0.0)
})
describe('it should have logarithmic scale', () => {
expect(2 * toLinearVolumeScale(0.5)).to.be.closeTo(toLinearVolumeScale(0.6), 0.001)
})
describe('it should return full volume', () => {
expect(toLogarithmicVolumeScale(1.0)).to.be.closeTo(1.0, 0.001)
})
})
describe('toLogarithmicVolumeScale', () => {
describe('it should return real 0', () => {
expect(toLogarithmicVolumeScale(0.0)).to.equal(0.0)
})
describe('it should have logarithmic scale', () => {
expect(toLogarithmicVolumeScale(0.6)).to.be.closeTo(0.9261, 0.001)
expect(toLogarithmicVolumeScale(0.7)).to.be.closeTo(0.9483, 0.001)
})
describe('it should return full volume', () => {
expect(toLogarithmicVolumeScale(1.0)).to.be.closeTo(1.0, 0.001)
})
})
})