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<?php
namespace Elastica\Test\Aggregation;
use Elastica\Aggregation\Cardinality;
use Elastica\Document;
use Elastica\Query;
class CardinalityTest extends BaseAggregationTest
{
protected function setUp()
{
parent::setUp();
$this->_index = $this->_createIndex("cardinality");
$docs = array(
new Document("1", array("color" => "blue")),
new Document("2", array("color" => "blue")),
new Document("3", array("color" => "red")),
new Document("4", array("color" => "green")),
);
$this->_index->getType("test")->addDocuments($docs);
$this->_index->refresh();
}
public function testCardinalityAggregation()
{
$agg = new Cardinality("cardinality");
$agg->setField("color");
$query = new Query();
$query->addAggregation($agg);
$results = $this->_index->search($query)->getAggregation("cardinality");
$this->assertEquals(3, $results['value']);
}
}
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