The script used to generate the test output of node-http2-protocol for [Jxck's compression test suite](https://github.com/Jxck/hpack-test-case)

test-node-compression.js

var fs = require('fs')
var compressor = require('./node_modules/node-http2-protocol/lib/compressor')
var log = require('./node_modules/node-http2-protocol/test/util').createLogger('test')

var HeaderTable = compressor.HeaderTable;
var HuffmanTable = compressor.HuffmanTable;
var HeaderSetCompressor = compressor.HeaderSetCompressor;
var HeaderSetDecompressor = compressor.HeaderSetDecompressor;

for (var i = 0; i < 31; i++) {
  var headertable = new HeaderTable(log, 4096);

  var n = String(i)
  if (n.length == 1) n = '0' + n;
  var story = JSON.parse(fs.readFileSync('raw-data/story_' + n +'.json').toString());

  story.draft = 5;
  story.description = 'Encoded by node-http2-protocol. Encoder wrapper script: https://gist.github.com/molnarg/8375095';
  story.cases.forEach(function(c) {
    c.header_table_size = 4096;

    var headers = c.headers;
    var compressor = new HeaderSetCompressor(log, headertable, HuffmanTable[story.context + 'HuffmanTable']);
    headers.forEach(function(pair) {
      var name = Object.keys(pair)[0]
      var value = pair[name];
      compressor.write([name, value])
    })
    compressor.end()

    var chunk, chunks = [];
    while (chunk = compressor.read()) {
      chunks.push(chunk);
    }

    c.wire = concat(chunks).toString('hex')
  });

  fs.writeFileSync('node-http2-protocol/story_' + n +'.json', JSON.stringify(story, undefined, 2) + '\n')
}

// Concatenate an array of buffers into a new buffer
function concat(buffers) {
  var size = 0;
  for (var i = 0; i < buffers.length; i++) {
    size += buffers[i].length;
  }

  var concatenated = new Buffer(size);
  for (var cursor = 0, j = 0; j < buffers.length; cursor += buffers[j].length, j++) {
    buffers[j].copy(concatenated, cursor);
  }

  return concatenated;
}