/**
* 测试CPU消耗
*/
public function testPerformance()
{
/**
* 运行500次，要求在1秒内运行完
*/
$times = 500;
$file = sys_get_temp_dir() . DIRECTORY_SEPARATOR . uniqid();
$bf = new LtBloomFilter();
$bf->setBucketSize(PHP_INT_MAX);
$bf->setSyncThreshHold($times + 1);
$bf->setImageFile($file);
$bf->init();
$base_memory_usage = memory_get_usage();
$startTime = microtime(true);
for ($i = 0; $i < $times; $i++) {
$str = uniqid();
$bf->add($str);
$bf->has($str);
}
$endTime = microtime(true);
$memory_usage = memory_get_usage() - $base_memory_usage;
unlink($file);
$totalTime = round($endTime - $startTime, 6);
$averageTime = round($totalTime / $times, 6);
$averageMemory = formatSize($memory_usage / $times);
$memory_usage = formatSize($memory_usage);
if (LOTUS_UNITTEST_DEBUG) {
echo "\n---------------------Bloom Filter--------------------------\n";
echo "times \t{$times}\n";
echo "totalTime \t{$totalTime}s\taverageTime \t{$averageTime}s\n";
echo "memoryUsage \t{$memory_usage}\taverageMemory \t{$averageMemory}";
echo "\n---------------------------------------------------------\n";
}
$this->assertTrue(1 > $totalTime);
}
public function testAddAndHas()
{
$bf = new LtBloomFilter();
// 2. 设置属性
$bf->setBucketSize(PHP_INT_MAX);
$bf->setSyncThreshHold(PHP_INT_MAX);
$file = sys_get_temp_dir() . "/bf-unittest-" . uniqid() . ".bloom";
$bf->setImageFile($file);
// 3. 调init()方法
$bf->init();
//初始化完毕，测试其效果
for ($i = 0; $i < 500; $i++) {
$str = $this->randomString(16);
$this->assertFalse($bf->has($str));
$bf->add($str);
$this->assertTrue($bf->has($str));
}
unlink($file);
}
public function calcKeyAndPos($k)
{
return parent::calcKeyAndPos($k);
}
/**
* @dataProvider dpBadHasDataType
*/
public function testBadHasDataType($para)
{
$bf = new LtBloomFilter();
$bf->setBucketSize(1024);
$bf->init();
$this->assertFalse($bf->has($para));
}
