/**
* Basic range testing.
*/
public function testRangeProjection()
{
$testData = [['foo' => 1], ['foo' => 2], ['foo' => 3], ['foo' => 5], ['foo' => 11], ['foo' => 15], ['foo' => 22], ['foo' => 29]];
foreach ($testData as $test) {
$this->collection->save($test);
}
$ranges = [['label' => 'low', 'max' => 10], ['label' => 'medium', 'min' => 11, 'max' => 20], ['label' => 'high', 'min' => 21]];
$rangedProjection = new RangeProjection();
$rangedProjection->addRange('foo', $ranges);
$result = $this->collection->aggregate([$rangedProjection->getStage()]);
$this->assertEquals(count($testData), count($result['result']));
$lows = 0;
$mediums = 0;
$highs = 0;
foreach ($result['result'] as $res) {
switch ($res['foo']) {
case 'high':
$highs++;
break;
case 'medium':
$mediums++;
break;
case 'low':
$lows++;
break;
}
}
$this->assertEquals(4, $lows);
$this->assertEquals(2, $mediums);
$this->assertEquals(2, $highs);
}
/**
* Gets the aggregation pipeline
*
* @param array $query
* @param string $category
* @param mixed $ranges
* @return array
*/
private function getAggregationPipeline(array $query, $category, $ranges)
{
$pipelineBuilder = new PipelineBuilder();
$categoryQuery = array();
$categoryQuery[] = array($category => array('$exists' => true));
if (isset($ranges) && is_array($ranges) && $this->getRangeType($ranges) === static::MINMAX) {
$categoryQuery[] = array('$or' => array(array($category => array('$type' => 1)), array($category => array('$type' => 16)), array($category => array('$type' => 18))));
}
unset($query[$category]);
$query['$and'] = $categoryQuery;
$match = new Match();
$match->setQuery($query);
$pipelineBuilder->add($match);
if (is_array($ranges) && static::getRangeType($ranges) === static::MINMAX) {
$rangeProjection = new RangeProjection();
$rangeProjection->addRange($category, $ranges);
$pipelineBuilder->add($rangeProjection);
} else {
$pipelineBuilder->addBuilder(new UnwindBuilder($category));
}
$group = new Group();
$group->setGroupBy($category);
$sum = new Sum();
$sum->setSum(1);
$group->setResultField('count', $sum);
$pipelineBuilder->add($group);
return $pipelineBuilder->build();
}
