ApiPlatform\Core\Bridge\Doctrine\Orm\Util\QueryNameGenerator::generateJoinAlias PHP Method

    public function generateJoinAlias(string $association) : string
    {
        return sprintf('%s_a%d', $association, $this->incrementedAssociation++);
    }

 public function testGenerateJoinAlias()
 {
     $queryNameGenerator = new QueryNameGenerator();
     $this->assertEquals('related_a1', $queryNameGenerator->generateJoinAlias('related'));
 }