it('should ignore the non-audio token', async() => {
const reader = new ItakoAudioReaderAudioElement;
const itako = new Itako([reader]);
const reason = await rejects(itako.read('foo'));
assert(reason.message === 'unexpected token "text:foo"');
});
it('should read the audio token as an audio file', async () => {
const reader = new ItakoAudioReaderAudioElement;
const itako = new Itako([reader], [audioTransformer]);
const text = 'http://static.edgy.black/beep.mp3';
const tokens = await itako.read(text);
assert(tokens[0].meta.reader.name === 'audio-element');
assert(tokens[0].value === text);
});
it('if specify volume/pitch option, it should be change the volume and pitch', async() => {
const reader = new ItakoAudioReaderAudioElement;
const itako = new Itako([reader], [audioTransformer]);
const text = 'http://static.edgy.black/beep.mp3';
const tokens = await itako.read(text, { volume: 0.2, pitch: 0.5 });
assert(tokens[0].meta.reader.name === 'audio-element');
assert(tokens[0].meta.audio.volume === 0.2);
assert(tokens[0].meta.audio.playbackRate === 0.5);
assert(tokens[0].value === text);
});
it('should read the audio token as an audio file', async () => {
const reader = new ItakoAudioReaderAudioContext();
const itako = new Itako([reader], [audioTransformer]);
simulateAfterRead('00:10.000', reader.audioContext);
const text = '/base/test/fixtures/beep.wav';
const tokens = await itako.read(text);
assert(tokens[0].meta.reader.name === 'audio-context');
assert(tokens[0].value === text);
});
it('if specify volume/pitch option, it should be change the volume and pitch', async () => {
const reader = new ItakoAudioReaderAudioContext();
const itako = new Itako([reader], [audioTransformer]);
simulateAfterRead('00:10.000', reader.audioContext);
const text = '/base/test/fixtures/beep.wav';
const tokens = await itako.read(text, { volume: 0.2, pitch: 0.5 });
assert(tokens[0].meta.reader.name === 'audio-context');
assert(tokens[0].meta.nodes.gainNode.gain instanceof AudioParam);
assert(tokens[0].meta.nodes.sourceNode.playbackRate.value === 0.5);
assert(tokens[0].value === text);
});