tests/phpunit/includes/libs/MapCacheLRUTest.php

   1 <?php
   2 /**
   3  * @group Cache
   4  */
   5 class MapCacheLRUTest extends PHPUnit\Framework\TestCase {
   6
   7         use MediaWikiCoversValidator;
   8
   9         /**
  10          * @covers MapCacheLRU::newFromArray()
  11          * @covers MapCacheLRU::toArray()
  12          * @covers MapCacheLRU::getAllKeys()
  13          * @covers MapCacheLRU::clear()
  14          */
  15         function testArrayConversion() {
  16                 $raw = [ 'd' => 4, 'c' => 3, 'b' => 2, 'a' => 1 ];
  17                 $cache = MapCacheLRU::newFromArray( $raw, 3 );
  18
  19                 $this->assertSame( true, $cache->has( 'a' ) );
  20                 $this->assertSame( true, $cache->has( 'b' ) );
  21                 $this->assertSame( true, $cache->has( 'c' ) );
  22                 $this->assertSame( 1, $cache->get( 'a' ) );
  23                 $this->assertSame( 2, $cache->get( 'b' ) );
  24                 $this->assertSame( 3, $cache->get( 'c' ) );
  25
  26                 $this->assertSame(
  27                         [ 'a' => 1, 'b' => 2, 'c' => 3 ],
  28                         $cache->toArray()
  29                 );
  30                 $this->assertSame(
  31                         [ 'a', 'b', 'c' ],
  32                         $cache->getAllKeys()
  33                 );
  34
  35                 $cache->clear( 'a' );
  36                 $this->assertSame(
  37                         [ 'b' => 2, 'c' => 3 ],
  38                         $cache->toArray()
  39                 );
  40
  41                 $cache->clear();
  42                 $this->assertSame(
  43                         [],
  44                         $cache->toArray()
  45                 );
  46         }
  47
  48         /**
  49          * @covers MapCacheLRU::has()
  50          * @covers MapCacheLRU::get()
  51          * @covers MapCacheLRU::set()
  52          */
  53         function testLRU() {
  54                 $raw = [ 'a' => 1, 'b' => 2, 'c' => 3 ];
  55                 $cache = MapCacheLRU::newFromArray( $raw, 3 );
  56
  57                 $this->assertSame( true, $cache->has( 'c' ) );
  58                 $this->assertSame(
  59                         [ 'a' => 1, 'b' => 2, 'c' => 3 ],
  60                         $cache->toArray()
  61                 );
  62
  63                 $this->assertSame( 3, $cache->get( 'c' ) );
  64                 $this->assertSame(
  65                         [ 'a' => 1, 'b' => 2, 'c' => 3 ],
  66                         $cache->toArray()
  67                 );
  68
  69                 $this->assertSame( 1, $cache->get( 'a' ) );
  70                 $this->assertSame(
  71                         [ 'b' => 2, 'c' => 3, 'a' => 1 ],
  72                         $cache->toArray()
  73                 );
  74
  75                 $cache->set( 'a', 1 );
  76                 $this->assertSame(
  77                         [ 'b' => 2, 'c' => 3, 'a' => 1 ],
  78                         $cache->toArray()
  79                 );
  80
  81                 $cache->set( 'b', 22 );
  82                 $this->assertSame(
  83                         [ 'c' => 3, 'a' => 1, 'b' => 22 ],
  84                         $cache->toArray()
  85                 );
  86
  87                 $cache->set( 'd', 4 );
  88                 $this->assertSame(
  89                         [ 'a' => 1, 'b' => 22, 'd' => 4 ],
  90                         $cache->toArray()
  91                 );
  92
  93                 $cache->set( 'e', 5, 0.33 );
  94                 $this->assertSame(
  95                         [ 'e' => 5, 'b' => 22, 'd' => 4 ],
  96                         $cache->toArray()
  97                 );
  98
  99                 $cache->set( 'f', 6, 0.66 );
 100                 $this->assertSame(
 101                         [ 'b' => 22, 'f' => 6, 'd' => 4 ],
 102                         $cache->toArray()
 103                 );
 104
 105                 $cache->set( 'g', 7, 0.90 );
 106                 $this->assertSame(
 107                         [ 'f' => 6, 'g' => 7, 'd' => 4 ],
 108                         $cache->toArray()
 109                 );
 110
 111                 $cache->set( 'g', 7, 1.0 );
 112                 $this->assertSame(
 113                         [ 'f' => 6, 'd' => 4, 'g' => 7 ],
 114                         $cache->toArray()
 115                 );
 116         }
 117 }