zurvan/tests/FailedEventHandlingTests.js

A library for simulating time in Node.js

'use strict';
var assert = require('assert');
var zurvan = require('../zurvan');
var TimeUnit = require('../TimeUnit');

var Promise = Promise || require('bluebird');

describe('zurvan during runtime exception', function() {
  function fail() {
    throw new Error('I shall fail');
  }

  it('continues as if nothing happened (default node behavior), but resolves with an array of failures', function() {
    return zurvan
      .interceptTimers({ timeSinceStartup: 1 })
      .then(function() {
        setTimeout(fail, 1000);
        return zurvan.advanceTime(TimeUnit.milliseconds(1000));
      })
      .then(function(arr) {
        assert.equal(arr.length, 1);
        assert.equal(arr[0].failedAt.toMilliseconds(), 2000);
        assert.equal(arr[0].timerCallDelay, 1000);
        assert.equal(process.uptime(), 2);
        return zurvan.releaseTimers();
      });
  });

  it('on special configuration rejects with an array of failures', function() {
    return zurvan
      .interceptTimers({ timeSinceStartup: 1, rejectOnCallbackFailure: true })
      .then(function() {
        setTimeout(fail, 1000);
        return zurvan.advanceTime(TimeUnit.milliseconds(1000));
      })
      .then(
        function() {
          return Promise.reject(
            new Error("Should reject when asked to, but didn't")
          );
        },
        function(arr) {
          assert.equal(arr.length, 1);
          assert.equal(arr[0].failedAt.toMilliseconds(), 2000);
          assert.equal(arr[0].timerCallDelay, 1000);
          assert.equal(process.uptime(), 2);
          return zurvan.releaseTimers();
        }
      );
  });
});