consonance/__tests__/tests.js

Fix your typographic scale

"use strict";
jest.dontMock('../');
jest.dontMock('ramda');
jest.dontMock('simple-modular-scale');

describe('quantizing', () => {
  it('works without any options', () => {
    let consonance = require('../');
    let input = [11, 18, 22];

    let expected = [
      { input: 11, output: 16, i: 0 },
      { input: 18, output: 16, i: 1 },
      { input: 22, output: 24, i: 2 },
    ];

    expect(consonance(input)).toEqual(expected);
  });

  it('takes options for simple-modular-scale', () => {
    let consonance = require('../');
    let input = [11, 18, 22];
    let options = {
      base: 16,
      ratios: [3/2, 4/3],
      length: 2
    }

    let expected = [
      { input: 11, output: 16, i: 0 },
      { input: 18, output: 16, i: 1 },
      { input: 22, output: 24, i: 2 },
    ];

    expect(consonance(input, options)).toEqual(expected);
  });

  it('takes an array for the scale', () => {
    let consonance = require('../');
    let input = [11, 18, 22];
    let scale = [10, 16, 22];

    let expected = [
      { input: 11, output: 10, i: 0 },
      { input: 18, output: 16, i: 1 },
      { input: 22, output: 22, i: 2 },
    ];

    expect(consonance(input, scale)).toEqual(expected);
  });
});