45 lines
1.9 KiB
TypeScript
45 lines
1.9 KiB
TypeScript
import { test } from 'node:test';
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import * as assert from 'node:assert';
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import * as alphaTab from '@coderline/alphatab';
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import { mapSongsterrDuration } from './duration-mapper.ts';
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import { mapSongsterrInstrumentToPlayback } from './instrument-map.ts';
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test('mapSongsterrDuration should map simple and complex durations', () => {
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// Test a simple quarter note (1/4)
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const quarter = mapSongsterrDuration([1, 4]);
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assert.strictEqual(quarter.duration, alphaTab.model.Duration.Quarter);
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assert.strictEqual(quarter.dots, 0);
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assert.strictEqual(quarter.isApproximate, false);
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// Test a dotted quarter note (3/8)
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const dottedQuarter = mapSongsterrDuration([3, 8]);
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assert.strictEqual(dottedQuarter.duration, alphaTab.model.Duration.Quarter);
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assert.strictEqual(dottedQuarter.dots, 1);
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assert.strictEqual(dottedQuarter.isApproximate, false);
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// Test an eighth note (1/8)
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const eighth = mapSongsterrDuration([1, 8]);
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assert.strictEqual(eighth.duration, alphaTab.model.Duration.Eighth);
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assert.strictEqual(eighth.dots, 0);
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// Test a double-dotted quarter note (7/16)
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// 7/16 = 0.4375 which is a Quarter Note (0.25) + Half-Quarter (0.125) + Quarter-Quarter (0.0625)
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const doubleDottedQuarter = mapSongsterrDuration([7, 16]);
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assert.strictEqual(doubleDottedQuarter.duration, alphaTab.model.Duration.Quarter);
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assert.strictEqual(doubleDottedQuarter.dots, 2);
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assert.strictEqual(doubleDottedQuarter.isApproximate, false);
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});
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test('mapSongsterrInstrumentToPlayback should resolve instruments', () => {
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// Test standard Songsterr drum identifier
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const drums = mapSongsterrInstrumentToPlayback(1024);
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assert.strictEqual(drums.isPercussion, true);
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assert.strictEqual(drums.program, 0);
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assert.strictEqual(drums.primaryChannel, 9);
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// Test standard Acoustic Guitar (Program 24)
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const guitar = mapSongsterrInstrumentToPlayback(24);
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assert.strictEqual(guitar.isPercussion, false);
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assert.strictEqual(guitar.program, 24);
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});
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