nesly-sound/test/notes.js

Make music with your NES

var test = require('tape')
var Notes = require('../lib/notes')

test('initial values', function (t) {
  t.plan(5)

  var notes = Notes('song0_')
  t.ok(notes, 'notes is setup')
  t.equal(notes.code.square1, 'song0_square1:\n', 'Square 1 code is incorrect')
  t.equal(notes.code.square2, 'song0_square2:\n', 'Square 2 code is incorrect')
  t.equal(notes.code.triangle, 'song0_triangle:\n', 'Triangle code is incorrect')
  t.equal(notes.code.noise, 'song0_noise:\n', 'Noise code is incorrect')
})

test('temp code check', function (t) {
  t.plan(5)

  var notes = Notes('song0_')
  t.equal(notes.currentCode, '', 'Square 1 temp code block should be empty')
  notes.square1(['A3', 'B3', 'C3'])
  t.equal(notes.currentCode, '{loop0}\n\t.byte {time}, A3,B3,C3\n', 'Square 1 temp code block does not have the correct output')

  notes.square2(['A4', 'B4', 'C4'])
  t.equal(notes.currentCode, '{loop0}\n\t.byte {time}, A4,B4,C4\n', 'Square 2 temp code block does not have the correct output')

  notes.triangle(['C3', 'E3', 'G3'])
  t.equal(notes.currentCode, '{loop0}\n\t.byte {time}, C3,E3,G3\n', 'Triangle temp code block does not have the correct output')

  notes.noise(['$04', '$06', '$04'])
  t.equal(notes.currentCode, '{loop0}\n\t.byte {time}, $04,$06,$04\n', 'Noise temp code block does not have the correct output')
})

test('set timing', function (t) {
  t.plan(2)

  var notes = Notes('song0_')

  notes.square1(['A3', 'B3', 'C3'])
    .timing(1 / 16)
  t.equal(notes.currentCode, '{loop0}\n\t.byte sixteenth, A3,B3,C3\n', 'Square 1 temp code block does not have the correct output')

  notes.square2(['A4', 'B4', 'C4'])
    .timing(1 / 16)
  t.equal(notes.currentCode, '{loop0}\n\t.byte sixteenth, A4,B4,C4\n', 'Square 2 temp code block does not have the correct output')
})

test('looping', function (t) {
  t.plan(1)

  var notes = Notes('song0_')

  notes.square1(['A3', 'B3', 'C3'])
    .timing(1 / 16)
    .loop(4)

  t.equal(notes.currentCode, '\n\t.byte set_loop1_counter, 4\n.loop:\n\n\t.byte sixteenth, A3,B3,C3\n\n\t.byte loop1\n\t.word .loop\n', 'Loop label and note code should exist')
})