/**
* Add an cardinality aggregate.
*
* @param $alias
* @param string|null $field
* @param string|null $script
* @param int $precision
* @param bool $rehash
*/
public function cardinality($alias, $field = null, $script = null, $precision = null, $rehash = null)
{
$aggregation = new CardinalityAggregation($alias);
$aggregation->setField($field);
$aggregation->setScript($script);
$aggregation->setPrecisionThreshold($precision);
$aggregation->setRehash($rehash);
$this->append($aggregation);
}
/**
* Tests getArray method.
*/
public function testGetArray()
{
$aggregation = new CardinalityAggregation('bar');
$aggregation->setScript('foo');
$result = $aggregation->getArray();
$this->assertArrayHasKey('script', $result, 'key=script when script is set');
$this->assertEquals('foo', $result['script'], 'script=foo when scripts name=foo');
$aggregation->setField('foo');
$result = $aggregation->getArray();
$this->assertArrayHasKey('field', $result, 'key=field when field is set');
$this->assertEquals('foo', $result['field'], 'field=foo when fields name=foo');
$aggregation->setPrecisionThreshold(10);
$result = $aggregation->getArray();
$this->assertArrayHasKey('precision_threshold', $result, 'key=precision_threshold when is set');
$this->assertEquals(10, $result['precision_threshold'], 'precision_threshold=10 when is set');
$aggregation->setRehash(true);
$result = $aggregation->getArray();
$this->assertArrayHasKey('rehash', $result, 'key=rehash when rehash is set');
$this->assertEquals(true, $result['rehash'], 'rehash=true when rehash is set to true');
}
