jevstrudel.git / packages / edo / test / edo.test.mjs
edo.test.mjsannotatededo.test.mjssource34 lines · 1.7 KB · raw

edo.test.mjs - tests of edo.mjs Copyright (C) 2025 Rob McKinnon and Strudel contributors - see https://github.com/tidalcycles/strudel/blob/main/packages/tonal/test/tonal.test.mjs This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details. You should have received a copy of the GNU Affero General Public License along with this program. If not, see https://www.gnu.org/licenses/.

6import '../edo.mjs';
7import { n } from '@strudel/core';
8import { describe, it, expect } from 'vitest';

10describe('edoScale', () => {
11  it('Should run tonal functions ', () => {
12    // base note A3 = 220Hz
13    let baseNote = 'A3';
14    let root = 220;
15    let freq = 220;
16    let pattern = n('0').edoScale([baseNote, 'LLsLLLs', 2, 1]);
17    let cycle = pattern.firstCycleValues[0];
18    expect(cycle.freq).toEqual(freq);
19    expect(cycle.edo).toEqual(12);
20    expect(cycle.degree).toEqual(1);
21    expect(parseFloat(cycle.root).toFixed(0)).toEqual(root.toFixed(0));

base note A4 = 440Hz

24    baseNote = 'A4';
25    root = 440;
26    freq = 880;
27    pattern = n('7').edoScale([baseNote, 'LLsLLLs', 2, 1]);
28    cycle = pattern.firstCycleValues[0];
29    expect(cycle.freq).toEqual(freq);
30    expect(cycle.edo).toEqual(12);
31    expect(cycle.degree).toEqual(1);
32    expect(parseFloat(cycle.root).toFixed(0)).toEqual(root.toFixed(0));
33  });
34});