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

   1 ( function () {
   2         QUnit.module( 'mediawiki.track' );
   3
   4         QUnit.test( 'track', function ( assert ) {
   5                 var sequence = [];
   6                 mw.trackSubscribe( 'simple', function ( topic, data ) {
   7                         sequence.push( [ topic, data ] );
   8                 } );
   9                 mw.track( 'simple', { key: 1 } );
  10                 mw.track( 'simple', { key: 2 } );
  11
  12                 assert.deepEqual( sequence, [
  13                         [ 'simple', { key: 1 } ],
  14                         [ 'simple', { key: 2 } ]
  15                 ], 'Events after subscribing' );
  16         } );
  17
  18         QUnit.test( 'trackSubscribe', function ( assert ) {
  19                 var now,
  20                         sequence = [];
  21                 mw.track( 'before', { key: 1 } );
  22                 mw.track( 'before', { key: 2 } );
  23                 mw.trackSubscribe( 'before', function ( topic, data ) {
  24                         sequence.push( [ topic, data ] );
  25                 } );
  26                 mw.track( 'before', { key: 3 } );
  27
  28                 assert.deepEqual( sequence, [
  29                         [ 'before', { key: 1 } ],
  30                         [ 'before', { key: 2 } ],
  31                         [ 'before', { key: 3 } ]
  32                 ], 'Replay events from before subscribing' );
  33
  34                 now = mw.now();
  35                 mw.track( 'context', { key: 0 } );
  36                 mw.trackSubscribe( 'context', function ( topic, data ) {
  37                         assert.strictEqual( this.topic, topic, 'thisValue has topic' );
  38                         assert.strictEqual( this.data, data, 'thisValue has data' );
  39                         assert.assertTrue( this.timeStamp >= now, 'thisValue has sane timestamp' );
  40                 } );
  41         } );
  42
  43         QUnit.test( 'trackUnsubscribe', function ( assert ) {
  44                 var sequence = [];
  45                 function unsubber( topic, data ) {
  46                         sequence.push( [ topic, data ] );
  47                 }
  48
  49                 mw.track( 'unsub', { key: 1 } );
  50                 mw.trackSubscribe( 'unsub', unsubber );
  51                 mw.track( 'unsub', { key: 2 } );
  52                 mw.trackUnsubscribe( unsubber );
  53                 mw.track( 'unsub', { key: 3 } );
  54
  55                 assert.deepEqual( sequence, [
  56                         [ 'unsub', { key: 1 } ],
  57                         [ 'unsub', { key: 2 } ]
  58                 ], 'Stop when unsubscribing' );
  59         } );
  60 }() );