tests/qunit/suites/resources/mediawiki/mediawiki.experiments.test.js

   1 ( function () {
   2
   3         var getBucket = mw.experiments.getBucket;
   4
   5         function createExperiment() {
   6                 return {
   7                         name: 'experiment',
   8                         enabled: true,
   9                         buckets: {
  10                                 control: 0.25,
  11                                 A: 0.25,
  12                                 B: 0.25,
  13                                 C: 0.25
  14                         }
  15                 };
  16         }
  17
  18         QUnit.module( 'mediawiki.experiments' );
  19
  20         QUnit.test( 'getBucket( experiment, token )', function ( assert ) {
  21                 var experiment = createExperiment(),
  22                         token = '123457890';
  23
  24                 assert.strictEqual(
  25                         getBucket( experiment, token ),
  26                         getBucket( experiment, token ),
  27                         'It returns the same bucket for the same experiment-token pair.'
  28                 );
  29
  30                 // --------
  31                 experiment = createExperiment();
  32                 experiment.buckets = {
  33                         A: 0.314159265359
  34                 };
  35
  36                 assert.strictEqual(
  37                         getBucket( experiment, token ),
  38                         'A',
  39                         'It returns the bucket if only one is defined.'
  40                 );
  41
  42                 // --------
  43                 experiment = createExperiment();
  44                 experiment.enabled = false;
  45
  46                 assert.strictEqual(
  47                         getBucket( experiment, token ),
  48                         'control',
  49                         'It returns "control" if the experiment is disabled.'
  50                 );
  51
  52                 // --------
  53                 experiment = createExperiment();
  54                 experiment.buckets = {};
  55
  56                 assert.strictEqual(
  57                         getBucket( experiment, token ),
  58                         'control',
  59                         'It returns "control" if the experiment doesn\'t have any buckets.'
  60                 );
  61         } );
  62
  63 }() );