tests/phpunit/includes/deferred/DeferredUpdatesTest.php

   1 <?php
   2
   3 class DeferredUpdatesTest extends MediaWikiTestCase {
   4
   5         public function testDoUpdates() {
   6                 $updates = array(
   7                         '1' => 'deferred update 1',
   8                         '2' => 'deferred update 2',
   9                         '3' => 'deferred update 3',
  10                         '2-1' => 'deferred update 1 within deferred update 2',
  11                 );
  12                 DeferredUpdates::addCallableUpdate(
  13                         function () use ( $updates ) {
  14                                 echo $updates['1'];
  15                         }
  16                 );
  17                 DeferredUpdates::addCallableUpdate(
  18                         function () use ( $updates ) {
  19                                 echo $updates['2'];
  20                                 DeferredUpdates::addCallableUpdate(
  21                                         function () use ( $updates ) {
  22                                                 echo $updates['2-1'];
  23                                         }
  24                                 );
  25                         }
  26                 );
  27                 DeferredUpdates::addCallableUpdate(
  28                         function () use ( $updates ) {
  29                                 echo $updates[3];
  30                         }
  31                 );
  32
  33                 $this->expectOutputString( implode( '', $updates ) );
  34
  35                 DeferredUpdates::doUpdates();
  36         }
  37
  38 }