tests/phpunit/includes/libs/MapCacheLRUTest.php

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