Ouzo\Db\Stats::getNumberOfQueries PHP Method

    public static function getNumberOfQueries()
    {
        $sum = 0;
        $queries = self::queries();
        array_walk($queries, function ($data, $request) use(&$sum) {
            $sum += Stats::getRequestNumberOfQueries($request);
        });
        return $sum;
    }

 /**
  * @test
  */
 public function shouldFetchIteratorAndFetchRelationsInBatches()
 {
     //given
     Product::create(array('name' => '1', 'id_category' => Category::create(array('name' => 'cat1'))->getId()));
     Product::create(array('name' => '2', 'id_category' => Category::create(array('name' => 'cat2'))->getId()));
     Product::create(array('name' => '3', 'id_category' => Category::create(array('name' => 'cat3'))->getId()));
     Stats::reset();
     //when
     $results = Product::where()->with('category')->fetchIterator(2);
     //then
     Assert::thatArray(iterator_to_array($results))->extracting('name')->containsExactly('1', '2', '3');
     $this->assertEquals(3, Stats::getNumberOfQueries());
 }