public function test()
{
$imp = new Imp();
$imp->setId('bbb');
$bidRequest = new BidRequest();
$bidRequest->setId('aaa')->addImp($imp);
$this->assertTrue(is_array($bidRequest->toArray()));
}
public function testMapFromObject()
{
$demoMap = ['Native.Request' => 'Id', 'Id' => 'Imp[].Id'];
$map = MapFactory::create($demoMap);
$imp = new Imp();
$imp->setId('impId');
$bidRequest = new BidRequest();
$bidRequest->setId('bidRequestId')->addImp($imp);
$mapper = new Mapper();
$arrayMapped = $mapper->mapFromObject($map, $bidRequest);
$this->assertTrue(is_array($arrayMapped));
$this->assertEquals('bidRequestId', $arrayMapped['native']['request']);
$this->assertEquals('impId', $arrayMapped['id']);
}