tests/phpunit/includes/cache/RedisBloomCacheTest.php

   1 <?php
   2
   3 /**
   4  * Test for BloomCacheRedis class.
   5  *
   6  * @TODO: some generic base "redis test server conf" for all testing?
   7  *
   8  * @covers BloomCacheRedis
   9  * @group Cache
  10  */
  11 class BloomCacheRedisTest extends MediaWikiTestCase {
  12         private static $suffix;
  13
  14         protected function setUp() {
  15                 parent::setUp();
  16
  17                 self::$suffix = self::$suffix ? : mt_rand();
  18
  19                 $fcache = BloomCache::get( 'main' );
  20                 if ( $fcache instanceof BloomCacheRedis ) {
  21                         $fcache->delete( "unit-testing-" . self::$suffix );
  22                 } else {
  23                         $this->markTestSkipped( 'The main bloom cache is not redis.' );
  24                 }
  25         }
  26
  27         public function testBloomCache() {
  28                 $key = "unit-testing-" . self::$suffix;
  29                 $fcache = BloomCache::get( 'main' );
  30                 $count = 1500;
  31
  32                 $this->assertTrue( $fcache->delete( $key ), "OK delete of filter '$key'." );
  33                 $this->assertTrue( $fcache->init( $key, $count, .001 ), "OK init of filter '$key'." );
  34
  35                 $members = array();
  36                 for ( $i = 0; $i < $count; ++$i ) {
  37                         $members[] = "$i-value-$i";
  38                 }
  39                 $this->assertTrue( $fcache->add( $key, $members ), "Addition of members to '$key' OK." );
  40
  41                 for ( $i = 0; $i < $count; ++$i ) {
  42                         $this->assertTrue( $fcache->isHit( $key, "$i-value-$i" ), "Hit on member '$i-value-$i'." );
  43                 }
  44
  45                 $falsePositives = array();
  46                 for ( $i = $count; $i < 2 * $count; ++$i ) {
  47                         if ( $fcache->isHit( $key, "value$i" ) ) {
  48                                 $falsePositives[] = "value$i";
  49                         }
  50                 }
  51
  52                 $eFalsePositives = array(
  53                         'value1763',
  54                         'value2245',
  55                         'value2353',
  56                         'value2791',
  57                         'value2898',
  58                         'value2975'
  59                 );
  60                 $this->assertEquals( $eFalsePositives, $falsePositives,
  61                         "Correct number of false positives found." );
  62         }
  63
  64         protected function tearDown() {
  65                 parent::tearDown();
  66
  67                 $fcache = BloomCache::get( 'main' );
  68                 if ( $fcache instanceof BloomCacheRedis ) {
  69                         $fcache->delete( "unit-testing-" . self::$suffix );
  70                 }
  71         }
  72 }