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Viewing file:     test-multipart-extra-trailer.js (4.24 KB)      -rw-r--r--

var Dicer = require('..');
var assert = require('assert'),
    fs = require('fs'),
    path = require('path'),
    inspect = require('util').inspect;

var FIXTURES_ROOT = __dirname + '/fixtures/';

var t = 0,
    group = path.basename(__filename, '.js') + '/';

var tests = [
  { source: 'many',
    opts: { boundary: '----WebKitFormBoundaryWLHCs9qmcJJoyjKR' },
    chsize: 16,
    nparts: 7,
    what: 'Extra trailer data pushed after finished'
  },
];

function next() {
  if (t === tests.length)
    return;
  var v = tests[t],
      fixtureBase = FIXTURES_ROOT + v.source,
      fd,
      n = 0,
      buffer = new Buffer(v.chsize),
      state = { parts: [] };

  fd = fs.openSync(fixtureBase + '/original', 'r');

  var dicer = new Dicer(v.opts),
      error,
      partErrors = 0,
      finishes = 0;

  dicer.on('part', function(p) {
    var part = {
      body: undefined,
      bodylen: 0,
      error: undefined,
      header: undefined
    };

    p.on('header', function(h) {
      part.header = h;
    }).on('data', function(data) {
      // make a copy because we are using readSync which re-uses a buffer ...
      var copy = new Buffer(data.length);
      data.copy(copy);
      data = copy;
      if (!part.body)
        part.body = [ data ];
      else
        part.body.push(data);
      part.bodylen += data.length;
    }).on('error', function(err) {
      part.error = err;
      ++partErrors;
    }).on('end', function() {
      if (part.body)
        part.body = Buffer.concat(part.body, part.bodylen);
      state.parts.push(part);
    });
  }).on('error', function(err) {
    error = err;
  }).on('finish', function() {
    assert(finishes++ === 0, makeMsg(v.what, 'finish emitted multiple times'));

    if (v.dicerError)
      assert(error !== undefined, makeMsg(v.what, 'Expected error'));
    else
      assert(error === undefined, makeMsg(v.what, 'Unexpected error'));

    if (v.events && v.events.indexOf('part') > -1) {
      assert.equal(state.parts.length,
                   v.nparts,
                   makeMsg(v.what,
                           'Part count mismatch:\nActual: '
                           + state.parts.length
                           + '\nExpected: '
                           + v.nparts));

      if (!v.npartErrors)
        v.npartErrors = 0;
      assert.equal(partErrors,
                   v.npartErrors,
                   makeMsg(v.what,
                           'Part errors mismatch:\nActual: '
                           + partErrors
                           + '\nExpected: '
                           + v.npartErrors));

      for (var i = 0, header, body; i < v.nparts; ++i) {
        if (fs.existsSync(fixtureBase + '/part' + (i+1))) {
          body = fs.readFileSync(fixtureBase + '/part' + (i+1));
          if (body.length === 0)
            body = undefined;
        } else
          body = undefined;
        assert.deepEqual(state.parts[i].body,
                         body,
                         makeMsg(v.what,
                                 'Part #' + (i+1) + ' body mismatch'));
        if (fs.existsSync(fixtureBase + '/part' + (i+1) + '.header')) {
          header = fs.readFileSync(fixtureBase
                                   + '/part' + (i+1) + '.header', 'binary');
          header = JSON.parse(header);
        } else
          header = undefined;
        assert.deepEqual(state.parts[i].header,
                         header,
                         makeMsg(v.what,
                                 'Part #' + (i+1)
                                 + ' parsed header mismatch:\nActual: '
                                 + inspect(state.parts[i].header)
                                 + '\nExpected: '
                                 + inspect(header)));
      }
    }
    ++t;
    next();
  });

  while (true) {
    n = fs.readSync(fd, buffer, 0, buffer.length, null);
    if (n === 0) {
      setTimeout(function() {
        dicer.write('\r\n\r\n\r\n');
        dicer.end();
      }, 50);
      break;
    }
    dicer.write(n === buffer.length ? buffer : buffer.slice(0, n));
  }
  fs.closeSync(fd);
}
next();

function makeMsg(what, msg) {
  return '[' + group + what + ']: ' + msg;
}

process.on('exit', function() {
  assert(t === tests.length,
         makeMsg('_exit', 'Only ran ' + t + '/' + tests.length + ' tests'));
});