yii2-bootstrap/tests/unit/extensions/elasticsearch/ElasticSearchTestCase.php

<?php

namespace yiiunit\extensions\elasticsearch;

use Yii;
use yii\elasticsearch\Connection;
use yiiunit\TestCase;

Yii::setAlias('@yii/elasticsearch', __DIR__ . '/../../../../extensions/elasticsearch');

/**
 * ElasticSearchTestCase is the base class for all elasticsearch related test cases
 */
class ElasticSearchTestCase extends TestCase
{
	protected function setUp()
	{
		$this->mockApplication();

		$databases = $this->getParam('databases');
		$params = isset($databases['elasticsearch']) ? $databases['elasticsearch'] : null;
		if ($params === null || !isset($params['dsn'])) {
			$this->markTestSkipped('No elasticsearch server connection configured.');
		}
		$dsn = explode('/', $params['dsn']);
		$host = $dsn[2];
		if (strpos($host, ':')===false) {
			$host .= ':9200';
		}
		if(!@stream_socket_client($host, $errorNumber, $errorDescription, 0.5)) {
			$this->markTestSkipped('No elasticsearch server running at ' . $params['dsn'] . ' : ' . $errorNumber . ' - ' . $errorDescription);
		}

		parent::setUp();
	}

	/**
	 * @param bool $reset whether to clean up the test database
	 * @return Connection
	 */
	public function getConnection($reset = true)
	{
		$databases = $this->getParam('databases');
		$params = isset($databases['elasticsearch']) ? $databases['elasticsearch'] : array();
		$db = new Connection();
		if ($reset) {
			$db->open();
		}
		return $db;
	}
}