continuation-local-storage/test/zlib.tap.js

userland implementation of https://github.com/joyent/node/issues/5243

'use strict';

var tap             = require('tap')
  , test            = tap.test
  , createNamespace = require('../context.js').createNamespace
  ;

var zlib = require('zlib');

test("continuation-local state with zlib", function (t) {
  t.plan(1);

  var namespace = createNamespace('namespace');
  namespace.run(function () {
    namespace.set('test', 0xabad1dea);

    t.test("deflate", function (t) {
      namespace.run(function () {
        namespace.set('test', 42);
        zlib.deflate(new Buffer("Goodbye World"), function (err) {
          if (err) throw err;
          t.equal(namespace.get('test'), 42, "mutated state was preserved");
          t.end();
        });
      });
    });
  });
});