node-continuation-local-storage-glue/test/timers.tap.js at ce5f01cd78cc0ea6e0cfea20e7571f451f0c1431 · othiym23/node-continuation-local-storage-glue · GitHub

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'use strict';
if (!process.addAsyncListener) require('../bootstrap.js');

var tap             = require('tap')
  , test            = tap.test
  , createNamespace = require('continuation-local-storage').createNamespace
  ;

test("continuation-local state with timers", function (t) {
  t.plan(4);

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

  t.test("process.nextTick", function (t) {
    namespace.run(function () {
      namespace.set('test', 31337);
      t.equal(namespace.get('test'), 31337, "state has been mutated");

      process.nextTick(function () {
        t.equal(namespace.get('test'), 31337,
                "mutated state has persisted to process.nextTick's callback");

        t.end();
      });
    });
  });

  t.test("setImmediate", function (t) {
    // setImmediate only in Node > 0.9.x
    if (!global.setImmediate) return t.end();

    namespace.run(function () {
      namespace.set('test', 999);
      t.equal(namespace.get('test'), 999, "state has been mutated");

      setImmediate(function () {
        t.equal(namespace.get('test'), 999,
                "mutated state has persisted to setImmediate's callback");

        t.end();
      });
    });
  });

  t.test("setTimeout", function (t) {
    namespace.run(function () {
      namespace.set('test', 54321);
      t.equal(namespace.get('test'), 54321, "state has been mutated");

      setTimeout(function () {
        t.equal(namespace.get('test'), 54321,
                "mutated state has persisted to setTimeout's callback");

        t.end();
      });
    });
  });

  t.test("setInterval", function (t) {
    namespace.run(function () {
      namespace.set('test', 10101);
      t.equal(namespace.get('test'), 10101, "continuation-local state has been mutated");

      var ref = setInterval(function () {
        t.equal(namespace.get('test'), 10101,
                "mutated state has persisted to setInterval's callback");

        clearInterval(ref);
        t.end();
      }, 20);
    });
  });
});