public function testMap()
{
$mapper = new PorterMapper($porter = \Mockery::mock(Porter::class));
/** @var RecordCollection $records */
$records = \Mockery::mock(RecordCollection::class, [new \ArrayIterator([[1], [2], [3]])])->makePartial();
$mappedRecords = $mapper->mapCollection($records, new AnonymousMapping([$strategy = \Mockery::mock(implode(',', [Strategy::class, PorterAware::class]))]));
$strategy->shouldReceive('__invoke')->andReturnUsing(function ($data) {
return $data[0] * $data[0];
})->getMock()->shouldReceive('setPorter')->with($porter)->atLeast()->once();
self::assertSame([[1], [4], [9]], iterator_to_array($mappedRecords));
}