tests/phpunit/includes/libs/objectcache/HashBagOStuffTest.php

   1 <?php
   2
   3 /**
   4  * @group BagOStuff
   5  */
   6 class HashBagOStuffTest extends PHPUnit_Framework_TestCase {
   7
   8         public function testEvictionOrder() {
   9                 $cache = new HashBagOStuff( array( 'maxKeys' => 10 ) );
  10                 for ( $i = 0; $i < 10; $i++ ) {
  11                         $cache->set( "key$i", 1 );
  12                         $this->assertEquals( 1, $cache->get( "key$i" ) );
  13                 }
  14                 for ( $i = 10; $i < 20; $i++ ) {
  15                         $cache->set( "key$i", 1 );
  16                         $this->assertEquals( 1, $cache->get( "key$i" ) );
  17                         $this->assertEquals( false, $cache->get( "key" . $i - 10 ) );
  18                 }
  19         }
  20
  21         public function testExpire() {
  22                 $cache = new HashBagOStuff();
  23                 $cacheInternal = TestingAccessWrapper::newFromObject( $cache );
  24                 $cache->set( 'foo', 1 );
  25                 $cache->set( 'bar', 1, 10 );
  26                 $cache->set( 'baz', 1, -10 );
  27
  28                 $this->assertEquals( 0, $cacheInternal->bag['foo'][$cache::KEY_EXP], 'Indefinite' );
  29                 // 2 seconds tolerance
  30                 $this->assertEquals( time() + 10, $cacheInternal->bag['bar'][$cache::KEY_EXP], 'Future', 2 );
  31                 $this->assertEquals( time() - 10, $cacheInternal->bag['baz'][$cache::KEY_EXP], 'Past', 2 );
  32
  33                 $this->assertEquals( 1, $cache->get( 'bar' ), 'Key not expired' );
  34                 $this->assertEquals( false, $cache->get( 'baz' ), 'Key expired' );
  35         }
  36
  37         public function testKeyOrder() {
  38                 $cache = new HashBagOStuff( array( 'maxKeys' => 3 ) );
  39
  40                 foreach ( array( 'foo', 'bar', 'baz' ) as $key ) {
  41                         $cache->set( $key, 1 );
  42                 }
  43
  44                 // Set existing key
  45                 $cache->set( 'foo', 1 );
  46
  47                 // Add a 4th key (beyond the allowed maximum)
  48                 $cache->set( 'quux', 1 );
  49
  50                 // Foo's life should have been extended over Bar
  51                 foreach ( array( 'foo', 'baz', 'quux' ) as $key ) {
  52                         $this->assertEquals( 1, $cache->get( $key ), "Kept $key" );
  53                 }
  54                 $this->assertEquals( false, $cache->get( 'bar' ), 'Evicted bar' );
  55         }
  56 }