mirror of
https://github.com/eliasstepanik/strudel-docker.git
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61 lines
2.4 KiB
JavaScript
61 lines
2.4 KiB
JavaScript
import { strict as assert } from 'assert';
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import { isNote, tokenizeNote, toMidi } from '../util.mjs';
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describe('isNote', () => {
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it('should recognize notes without accidentals', function () {
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'C3 D3 E3 F3 G3 A3 B3 C4 D5 c5 d5 e5'.split(' ').forEach((note) => {
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assert.equal(isNote(note), true);
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});
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});
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it('should recognize notes with accidentals', function () {
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'C#3 D##3 Eb3 Fbb3 Bb5'.split(' ').forEach((note) => {
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assert.equal(isNote(note), true);
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});
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});
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it('should not recognize invalid notes', function () {
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assert.equal(isNote('H5'), false);
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assert.equal(isNote('C'), false);
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assert.equal(isNote('X'), false);
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assert.equal(isNote(1), false);
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});
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});
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describe('isNote', () => {
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it('should tokenize notes without accidentals', function () {
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assert.deepStrictEqual(tokenizeNote('C3'), ['C', '', '3']);
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assert.deepStrictEqual(tokenizeNote('D3'), ['D', '', '3']);
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assert.deepStrictEqual(tokenizeNote('E3'), ['E', '', '3']);
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assert.deepStrictEqual(tokenizeNote('F3'), ['F', '', '3']);
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assert.deepStrictEqual(tokenizeNote('G3'), ['G', '', '3']);
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assert.deepStrictEqual(tokenizeNote('A3'), ['A', '', '3']);
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assert.deepStrictEqual(tokenizeNote('B3'), ['B', '', '3']);
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assert.deepStrictEqual(tokenizeNote('C4'), ['C', '', '4']);
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assert.deepStrictEqual(tokenizeNote('D5'), ['D', '', '5']);
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});
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it('should tokenize notes with accidentals', function () {
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assert.deepStrictEqual(tokenizeNote('C#3'), ['C', '#', '3']);
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assert.deepStrictEqual(tokenizeNote('D##3'), ['D', '##', '3']);
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assert.deepStrictEqual(tokenizeNote('Eb3'), ['E', 'b', '3']);
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assert.deepStrictEqual(tokenizeNote('Fbb3'), ['F', 'bb', '3']);
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assert.deepStrictEqual(tokenizeNote('Bb5'), ['B', 'b', '5']);
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});
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it('should note tokenize invalid notes', function () {
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assert.deepStrictEqual(tokenizeNote('X'), []);
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assert.deepStrictEqual(tokenizeNote('asfasf'), []);
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assert.deepStrictEqual(tokenizeNote(123), []);
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});
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});
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describe('toMidi', () => {
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it('should turn notes into midi', function () {
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assert.equal(toMidi('A4'), 69);
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assert.equal(toMidi('C4'), 60);
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assert.equal(toMidi('Db4'), 61);
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assert.equal(toMidi('C3'), 48);
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assert.equal(toMidi('Cb3'), 47);
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assert.equal(toMidi('Cbb3'), 46);
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assert.equal(toMidi('C#3'), 49);
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assert.equal(toMidi('C#3'), 49);
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assert.equal(toMidi('C##3'), 50);
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});
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});
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