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<?php
namespace Elastica\Test\Aggregation;
use Elastica\Aggregation\ExtendedStats;
use Elastica\Document;
use Elastica\Query;
class ExtendedStatsTest extends BaseAggregationTest
{
protected function setUp()
{
parent::setUp();
$this->_index = $this->_createIndex("extended_stats");
$docs = array(
new Document("1", array("price" => 5)),
new Document("2", array("price" => 8)),
new Document("3", array("price" => 1)),
new Document("4", array("price" => 3)),
);
$this->_index->getType("test")->addDocuments($docs);
$this->_index->refresh();
}
public function testExtendedStatsAggregation()
{
$agg = new ExtendedStats("stats");
$agg->setField("price");
$query = new Query();
$query->addAggregation($agg);
$results = $this->_index->search($query)->getAggregation("stats");
$this->assertEquals(4, $results['count']);
$this->assertEquals(1, $results['min']);
$this->assertEquals(8, $results['max']);
$this->assertEquals((5 + 8 + 1 + 3) / 4.0, $results['avg']);
$this->assertEquals((5 + 8 + 1 + 3), $results['sum']);
$this->assertTrue(array_key_exists('sum_of_squares', $results));
}
}
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