Added a BloomCacheRedisTest class

Change-Id: Id0b8f6dfa96f5f56dcb77eebdca506c82a36a1c2

diff --git a/tests/phpunit/includes/cache/RedisBloomCacheTest.php b/tests/phpunit/includes/cache/RedisBloomCacheTest.php
new file mode 100644 (file)
index 0000000..3d491e9
--- /dev/null
+++ b/tests/phpunit/includes/cache/RedisBloomCacheTest.php
@@ -0,0 +1,71 @@
+<?php
+
+/**
+ * Test for BloomCacheRedis class.
+ *
+ * @TODO: some generic base "redis test server conf" for all testing?
+ *
+ * @covers BloomCacheRedis
+ * @group Cache
+ */
+class BloomCacheRedisTest extends MediaWikiTestCase {
+       private static $suffix;
+
+       protected function setUp() {
+               parent::setUp();
+
+               self::$suffix = self::$suffix ? : mt_rand();
+
+               $fcache = BloomCache::get( 'main' );
+               if ( $fcache instanceof BloomCacheRedis ) {
+                       $fcache->delete( "unit-testing-" . self::$suffix );
+               } else {
+                       $this->markTestSkipped( 'The main bloom cache is not redis.' );
+               }
+       }
+
+       public function testBloomCache() {
+               $key = "unit-testing-" . self::$suffix;
+               $fcache = BloomCache::get( 'main' );
+               $count = 1500;
+
+               $this->assertTrue( $fcache->delete( $key ), "OK delete of filter '$key'." );
+               $this->assertTrue( $fcache->init( $key, $count, .001 ), "OK init of filter '$key'." );
+
+               $members = array();
+               for ( $i = 0; $i < $count; ++$i ) {
+                       $members[] = "$i-value-$i";
+               }
+               $this->assertTrue( $fcache->add( $key, $members ), "Addition of members to '$key' OK." );
+
+               for ( $i = 0; $i < $count; ++$i ) {
+                       $this->assertTrue( $fcache->isHit( $key, "$i-value-$i" ), "Hit on member '$i-value-$i'." );
+               }
+
+               $falsePositives = array();
+               for ( $i = $count; $i < 2 * $count; ++$i ) {
+                       if ( $fcache->isHit( $key, "value$i" ) ) {
+                               $falsePositives[] = "value$i";
+                       }
+               }
+
+               $eFalsePositives = array(
+                       'value1763',
+                       'value2245',
+                       'value2353',
+                       'value2791',
+                       'value2898',
+                       'value2975'
+               );
+               $this->assertEquals( $eFalsePositives, $falsePositives, "Correct number of false positives found." );
+       }
+
+       protected function tearDown() {
+               parent::tearDown();
+
+               $fcache = BloomCache::get( 'main' );
+               if ( $fcache instanceof BloomCacheRedis ) {
+                       $fcache->delete( "unit-testing-" . self::$suffix );
+               }
+       }
+}