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 testDelete() {
   9                 $cache = new HashBagOStuff();
  10                 for ( $i = 0; $i < 10; $i++ ) {
  11                         $cache->set( "key$i", 1 );
  12                         $this->assertEquals( 1, $cache->get( "key$i" ) );
  13                         $cache->delete( "key$i" );
  14                         $this->assertEquals( false, $cache->get( "key$i" ) );
  15                 }
  16         }
  17
  18         public function testClear() {
  19                 $cache = new HashBagOStuff();
  20                 for ( $i = 0; $i < 10; $i++ ) {
  21                         $cache->set( "key$i", 1 );
  22                         $this->assertEquals( 1, $cache->get( "key$i" ) );
  23                 }
  24                 $cache->clear();
  25                 for ( $i = 0; $i < 10; $i++ ) {
  26                         $this->assertEquals( false, $cache->get( "key$i" ) );
  27                 }
  28         }
  29
  30         public function testEvictionOrder() {
  31                 $cache = new HashBagOStuff( array( 'maxKeys' => 10 ) );
  32                 for ( $i = 0; $i < 10; $i++ ) {
  33                         $cache->set( "key$i", 1 );
  34                         $this->assertEquals( 1, $cache->get( "key$i" ) );
  35                 }
  36                 for ( $i = 10; $i < 20; $i++ ) {
  37                         $cache->set( "key$i", 1 );
  38                         $this->assertEquals( 1, $cache->get( "key$i" ) );
  39                         $this->assertEquals( false, $cache->get( "key" . $i - 10 ) );
  40                 }
  41         }
  42
  43         public function testExpire() {
  44                 $cache = new HashBagOStuff();
  45                 $cacheInternal = TestingAccessWrapper::newFromObject( $cache );
  46                 $cache->set( 'foo', 1 );
  47                 $cache->set( 'bar', 1, 10 );
  48                 $cache->set( 'baz', 1, -10 );
  49
  50                 $this->assertEquals( 0, $cacheInternal->bag['foo'][$cache::KEY_EXP], 'Indefinite' );
  51                 // 2 seconds tolerance
  52                 $this->assertEquals( time() + 10, $cacheInternal->bag['bar'][$cache::KEY_EXP], 'Future', 2 );
  53                 $this->assertEquals( time() - 10, $cacheInternal->bag['baz'][$cache::KEY_EXP], 'Past', 2 );
  54
  55                 $this->assertEquals( 1, $cache->get( 'bar' ), 'Key not expired' );
  56                 $this->assertEquals( false, $cache->get( 'baz' ), 'Key expired' );
  57         }
  58
  59         public function testKeyOrder() {
  60                 $cache = new HashBagOStuff( array( 'maxKeys' => 3 ) );
  61
  62                 foreach ( array( 'foo', 'bar', 'baz' ) as $key ) {
  63                         $cache->set( $key, 1 );
  64                 }
  65
  66                 // Set existing key
  67                 $cache->set( 'foo', 1 );
  68
  69                 // Add a 4th key (beyond the allowed maximum)
  70                 $cache->set( 'quux', 1 );
  71
  72                 // Foo's life should have been extended over Bar
  73                 foreach ( array( 'foo', 'baz', 'quux' ) as $key ) {
  74                         $this->assertEquals( 1, $cache->get( $key ), "Kept $key" );
  75                 }
  76                 $this->assertEquals( false, $cache->get( 'bar' ), 'Evicted bar' );
  77         }
  78 }