public function testSettersAndGetters()
 {
     $builder = new GroupByQueryBuilder();
     $now = new \DateTime();
     $builder->setDataSource('dataSource')->setGranularity(new PeriodGranularity('P1D', 'UTC'))->setFilter($builder->filter()->selectorFilter('gender', 'male'))->addInterval($now, new \DateTime())->addAggregator($builder->aggregator()->doubleSum('sum', 'sum'))->addAggregator($builder->aggregator()->count('count'))->addDimension('gender', 'gender')->addPostAggregator($builder->postAggregator()->arithmeticPostAggregator('average', '/', [$builder->postAggregator()->fieldAccessPostAggregator('sum', 'sum'), $builder->postAggregator()->fieldAccessPostAggregator('count', 'count')]))->setHaving($builder->having()->equalToHaving('gender', 300));
     $query = $builder->getQuery();
     $this->assertEquals('dataSource', $query->getDataSource()->getName());
     $this->assertEquals('gender', $query->getFilter()->getDimension());
     $this->assertEquals('male', $query->getFilter()->getValue());
     $this->assertEquals($now->format('Y-m-d\\TH:i:s+0000'), $query->getIntervals()[0]->getStart());
     $this->assertEquals('sum', $query->getAggregations()[0]->getName());
     $this->assertEquals('count', $query->getAggregations()[1]->getName());
     $this->assertEquals('gender', $query->getDimensions()[0]->getDimension());
     $this->assertEquals('average', $query->getPostAggregations()[0]->getName());
     $this->assertEquals(300, $query->getHaving()->getValue());
 }