artillery-plugin-datadog/test/index_tests.js

Datadog output plugin for Artillery

// Generated by CoffeeScript 2.0.1
(function() {
  var EventEmitter, chai, config, datadog, datadogPlugin, eventEmitter, expect;

  chai = require('chai');

  datadog = require('datadog-metrics');

  expect = chai.expect;

  EventEmitter = require('events');

  // Setup
  datadogPlugin = null;

  config = {
    plugins: {
      datadog: {
        tags: -'team:sre'
      }
    }
  };

  eventEmitter = new EventEmitter;

  // Force-reload the module before every test so we
  // can realistically test all the scenarios.
  beforeEach(function() {
    var DatadogPlugin, sourceFile;
    sourceFile = '../src/index.js';
    delete require.cache[require.resolve(sourceFile)];
    DatadogPlugin = require(sourceFile);
    return datadogPlugin = new DatadogPlugin(config, eventEmitter);
  });

  describe('#getDatadogConfig', function() {
    it('should return default config when user did not override anything', function() {
      return expect(datadogPlugin.getDatadogConfig()).to.deep.equal({
        // flushIntervalSeconds: 0
        host: '',
        prefix: 'artillery.'
      });
    });
    return it('should use user-defined values from config', function() {
      datadogPlugin.config = {
        plugins: {
          datadog: {
            host: 'artillery.local',
            prefix: 'artillery.platoon.'
          }
        }
      };
      return expect(datadogPlugin.getDatadogConfig()).to.deep.equal({
        host: 'artillery.local',
        prefix: 'artillery.platoon.'
      });
    });
  });

  describe('#getTags', function() {
    return it('should concat user-provided and automatically added tags', function() {
      datadogPlugin.config = {
        plugins: {
          datadog: {
            tags: ['team:sre']
          }
        },
        target: 'https://twitter.com/Stranger_Things'
      };
      return expect(datadogPlugin.getTags()).to.deep.equal(['target:https://twitter.com/Stranger_Things', 'team:sre']);
    });
  });

  describe('#getOkPercentage', function() {
    it('should return 0 when no queries were made', function() {
      var metrics;
      metrics = {
        'response.2xx': [0, datadog.increment],
        'response.3xx': [0, datadog.increment],
        'requests.completed': [0, datadog.increment]
      };
      return expect(datadogPlugin.getOkPercentage(metrics)).to.equal(0);
    });
    return it('should return a correct percentage value based on response code counts', function() {
      var metrics;
      metrics = {
        'response.2xx': [8, datadog.increment],
        'response.3xx': [3, datadog.increment],
        'requests.completed': [101, datadog.increment]
      };
      return expect(datadogPlugin.getOkPercentage(metrics)).to.be.a('Number').and.to.equal(10.89);
    });
  });

}).call(this);