105 lines
3.0 KiB
JavaScript
105 lines
3.0 KiB
JavaScript
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var fs = require('fs');
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var path = require('path');
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var lame = require('../');
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var assert = require('assert');
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var fixtures = path.resolve(__dirname, 'fixtures');
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var outputName = path.resolve(__dirname, 'output.wav');
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describe('Decoder', function () {
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describe('pipershut_lo.mp3', function () {
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var title = 'The Burning of the Piper\'s Hut';
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var artist = 'Tony Cuffe & Billy Jackson';
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var album = 'Sae Will We Yet';
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var year = '2003';
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var comment = 'sample of full track';
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var trackNumber = 8;
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var genre = 88;
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var filename = path.resolve(fixtures, 'pipershut_lo.mp3');
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it('should emit "readable" events', function (done) {
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var file = fs.createReadStream(filename);
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var output = fs.createWriteStream(outputName);
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var count = 0;
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var decoder = new lame.Decoder();
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decoder.on('readable', function () {
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count++;
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});
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decoder.on('finish', function () {
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assert(count > 0);
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fs.unlinkSync(outputName);
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done();
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});
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file.pipe(decoder).pipe(output);
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});
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it('should emit a single "format" event', function (done) {
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var file = fs.createReadStream(filename);
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var decoder = new lame.Decoder();
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decoder.on('format', function (format) {
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assert(format);
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done();
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});
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file.pipe(decoder);
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});
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it('should emit a single "finish" event', function (done) {
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var file = fs.createReadStream(filename);
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var output = fs.createWriteStream(outputName);
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var decoder = new lame.Decoder();
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decoder.on('finish', done);
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file.pipe(decoder).pipe(output);
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});
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it('should emit a single "end" event', function (done) {
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var file = fs.createReadStream(filename);
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var output = fs.createWriteStream(outputName);
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var decoder = new lame.Decoder();
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decoder.on('end', function () {
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fs.unlinkSync(outputName);
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done();
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});
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file.pipe(decoder).pipe(output);
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});
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it('should emit a single "id3v1" event', function (done) {
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var file = fs.createReadStream(filename);
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var decoder = new lame.Decoder();
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decoder.on('id3v1', function (id3) {
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assert.equal(title, id3.title);
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assert.equal(artist, id3.artist);
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assert.equal(album, id3.album);
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assert.equal(year, id3.year);
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assert.equal(comment, id3.comment);
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assert.equal(trackNumber, id3.trackNumber);
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assert.equal(genre, id3.genre);
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done();
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});
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file.pipe(decoder);
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// enable "flow"
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decoder.resume();
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});
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it('should emit a single "id3v2" event', function (done) {
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var file = fs.createReadStream(filename);
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var decoder = new lame.Decoder();
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decoder.on('id3v2', function (id3) {
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assert.equal(title, id3.title);
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assert.equal(artist, id3.artist);
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assert.equal(album, id3.album);
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assert.equal(year, id3.year);
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assert.equal(comment, id3.comment);
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done();
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});
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file.pipe(decoder);
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// enable "flow"
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decoder.resume();
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});
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});
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});
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