node_modules/request/node_modules/form-data/node_modules/combined-stream/test/integration/test-callback-streams.js

   1 var common = require('../common');
   2 var assert = common.assert;
   3 var CombinedStream = common.CombinedStream;
   4 var fs = require('fs');
   5
   6 var FILE1 = common.dir.fixture + '/file1.txt';
   7 var FILE2 = common.dir.fixture + '/file2.txt';
   8 var EXPECTED = fs.readFileSync(FILE1) + fs.readFileSync(FILE2);
   9
  10 (function testDelayedStreams() {
  11   var combinedStream = CombinedStream.create();
  12   combinedStream.append(function(next) {
  13     next(fs.createReadStream(FILE1));
  14   });
  15   combinedStream.append(function(next) {
  16     next(fs.createReadStream(FILE2));
  17   });
  18
  19   var tmpFile = common.dir.tmp + '/combined.txt';
  20   var dest = fs.createWriteStream(tmpFile);
  21   combinedStream.pipe(dest);
  22
  23   dest.on('end', function() {
  24     var written = fs.readFileSync(tmpFile, 'utf8');
  25     assert.strictEqual(written, EXPECTED);
  26   });
  27 })();