ep-133-project-export/tests/ableton-playback.test.ts

import assert from 'node:assert/strict';
import test from 'node:test';
import {
  getSimplerPlaybackState,
  hasOneShotOverride,
} from '../src/lib/exporters/ableton/playback';
import { PadCode } from '../src/types/types';

const project7Overrides = ['b0', 'c1', 'c8', 'c9', 'd3'] as PadCode[];

test('applies the selective Project 7 One-Shot overrides', () => {
  for (const padCode of project7Overrides) {
    assert.equal(hasOneShotOverride(padCode, project7Overrides), true);
  }

  assert.equal(hasOneShotOverride('b3', project7Overrides), false);
  assert.equal(hasOneShotOverride('b7', project7Overrides), false);
});

test('preserves project playback modes when no override is selected', () => {
  assert.equal(hasOneShotOverride('b0'), false);
});

test('changes only the active playback mode for forced KEY and LEGATO pads', () => {
  assert.deepEqual(getSimplerPlaybackState('key', true), {
    playbackMode: 1,
    monophonic: false,
    useOneShotEnvelope: false,
  });
  assert.deepEqual(getSimplerPlaybackState('legato', true), {
    playbackMode: 1,
    monophonic: true,
    useOneShotEnvelope: false,
  });
});

test('uses One-Shot envelopes only for native EP ONE pads', () => {
  assert.deepEqual(getSimplerPlaybackState('oneshot', false), {
    playbackMode: 1,
    monophonic: false,
    useOneShotEnvelope: true,
  });
  assert.deepEqual(getSimplerPlaybackState('legato', false), {
    playbackMode: 0,
    monophonic: true,
    useOneShotEnvelope: false,
  });
});