From 2d9d5fecf334264bcba05ad9624a377dfc29c067 Mon Sep 17 00:00:00 2001
From: Aaron Schulz <aschulz@wikimedia.org>
Date: Thu, 4 Sep 2014 17:06:09 -0700
Subject: [PATCH] Added a BloomCacheRedisTest class

Change-Id: Id0b8f6dfa96f5f56dcb77eebdca506c82a36a1c2
---
 .../includes/cache/RedisBloomCacheTest.php    | 71 +++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 tests/phpunit/includes/cache/RedisBloomCacheTest.php

diff --git a/tests/phpunit/includes/cache/RedisBloomCacheTest.php b/tests/phpunit/includes/cache/RedisBloomCacheTest.php
new file mode 100644
index 0000000000..3d491e9062
--- /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 );
+		}
+	}
+}
-- 
2.20.1