64 lines
3.2 KiB
JavaScript
64 lines
3.2 KiB
JavaScript
// SonicForge Studio - chordTheory.js unit test (BIG_PHASE_3.md §6.4)
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// Node assert, không framework. Chạy: node app/static/js/services/chordTheory.test.js
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const assert = require('assert');
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const ChordTheory = require('./chordTheory.js');
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let fails = 0;
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function check(name, fn) {
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try { fn(); console.log('ok: ' + name); }
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catch (e) { fails++; console.error('FAIL: ' + name + ' — ' + e.message); }
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}
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function deep(arr, expected) { assert.deepStrictEqual(arr, expected); }
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// 1. Parse chord symbol → pitch array (octave 4 = C4=60)
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check('Cmaj7 = [60,64,67,71]', () => deep(ChordTheory.parseChordSymbol('Cmaj7'), [60, 64, 67, 71]));
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check('Am9 = [69,72,76,79,83]', () => deep(ChordTheory.parseChordSymbol('Am9'), [69, 72, 76, 79, 83]));
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check('Dm7 = [62,65,69,72]', () => deep(ChordTheory.parseChordSymbol('Dm7'), [62, 65, 69, 72]));
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check('G13 = [67,71,74,77,81,88]', () => deep(ChordTheory.parseChordSymbol('G13'), [67, 71, 74, 77, 81, 88]));
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check('Fadd9 = [65,69,72,79]', () => deep(ChordTheory.parseChordSymbol('Fadd9'), [65, 69, 72, 79]));
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// 2. Roman numeral progression với key C
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check('I-vi-IV-V key C → C-Am-F-G', () => {
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const prog = ChordTheory.progressionToChords('I-vi-IV-V', 'C', 'root');
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deep(prog.map(c => c.name), ['C', 'Am', 'F', 'G']);
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deep(prog.map(c => c.pitches), [[60, 64, 67], [69, 72, 76], [65, 69, 72], [67, 71, 74]]);
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});
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check('I-V-vi-IV key C → C-G-Am-F (preset Pop)', () => {
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const prog = ChordTheory.progressionToChords('I-V-vi-IV', 'C', 'root');
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deep(prog.map(c => c.name), ['C', 'G', 'Am', 'F']);
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});
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check('ii7-V7-Imaj7-VI7 key C → Dm7-G7-Cmaj7-A7', () => {
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const prog = ChordTheory.progressionToChords('ii7-V7-Imaj7-VI7', 'C', 'root');
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deep(prog.map(c => c.name), ['Dm7', 'G7', 'Cmaj7', 'A7']);
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deep(prog[0].pitches, [62, 65, 69, 72]); // Dm7
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deep(prog[2].pitches, [60, 64, 67, 71]); // Cmaj7
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});
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check('i7-iv7-v7-i7 key C → Cm7-Fm7-Gm7-Cm7', () => {
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const prog = ChordTheory.progressionToChords('i7-iv7-v7-i7', 'C', 'root');
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deep(prog.map(c => c.name), ['Cm7', 'Fm7', 'Gm7', 'Cm7']);
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});
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check('Imaj7-iii7-IVmaj7-V13 key C → Cmaj7-Em7-Fmaj7-G13', () => {
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const prog = ChordTheory.progressionToChords('Imaj7-iii7-IVmaj7-V13', 'C', 'root');
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deep(prog.map(c => c.name), ['Cmaj7', 'Em7', 'Fmaj7', 'G13']);
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});
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// 3. Voicing
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check('first inversion: root +12', () => deep(ChordTheory.applyVoicing([60, 64, 67, 71], 'first'), [64, 67, 71, 72]));
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check('drop2: second-highest -12', () => deep(ChordTheory.applyVoicing([60, 64, 67, 71], 'drop2'), [55, 60, 64, 71]));
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check('root position giữ nguyên', () => deep(ChordTheory.applyVoicing([60, 64, 67, 71], 'root'), [60, 64, 67, 71]));
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check('jazz drop2: Dm7-G7-Cmaj7-A7 ra đủ pitch', () => {
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const prog = ChordTheory.progressionToChords('ii7-V7-Imaj7-VI7', 'C', 'drop2');
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deep(prog.map(c => c.name), ['Dm7', 'G7', 'Cmaj7', 'A7']);
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assert(prog.every(c => c.pitches.length === 4), 'mỗi chord 4 pitch');
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});
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// 4. Edge cases
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check('chuỗi chord name trực tiếp Cmaj7-Am9-Fadd9-G13', () => {
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const prog = ChordTheory.progressionToChords('Cmaj7-Am9-Fadd9-G13', 'C', 'root');
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deep(prog.map(c => c.name), ['Cmaj7', 'Am9', 'Fadd9', 'G13']);
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deep(prog[0].pitches, [60, 64, 67, 71]);
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});
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console.log(fails ? 'FAILED: ' + fails : 'ALL PASS');
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process.exit(fails ? 1 : 0);
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