Add chunk method to BaseCollection

- Add test for BaseCollection->chunk
This commit is contained in:
Hypolite Petovan 2023-09-29 03:07:38 -04:00
parent 3333d4af88
commit 6d009a3e0f
2 changed files with 84 additions and 0 deletions

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@ -129,6 +129,24 @@ class BaseCollection extends \ArrayIterator
return new static(array_reverse($this->getArrayCopy()), $this->getTotalCount()); return new static(array_reverse($this->getArrayCopy()), $this->getTotalCount());
} }
/**
* Split the collection in smaller collections no bigger than the provided length
*
* @param int $length
* @return static[]
*/
public function chunk(int $length): array
{
if ($length < 1) {
throw new \RangeException('BaseCollection->chunk(): Size parameter expected to be greater than 0');
}
return array_map(function ($array) {
return new static($array);
}, array_chunk($this->getArrayCopy(), $length));
}
/** /**
* @inheritDoc * @inheritDoc
* *

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@ -0,0 +1,66 @@
<?php
/**
* @copyright Copyright (C) 2010-2023, the Friendica project
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
namespace Friendica\Test\src;
use Friendica\BaseCollection;
use Friendica\BaseEntity;
use Mockery\Mock;
use PHPUnit\Framework\TestCase;
class BaseCollectionTest extends TestCase
{
public function testChunk()
{
$entity1 = \Mockery::mock(BaseEntity::class);
$entity2 = \Mockery::mock(BaseEntity::class);
$entity3 = \Mockery::mock(BaseEntity::class);
$entity4 = \Mockery::mock(BaseEntity::class);
$collection = new BaseCollection([$entity1, $entity2]);
$this->assertEquals([new BaseCollection([$entity1]), new BaseCollection([$entity2])], $collection->chunk(1));
$this->assertEquals([new BaseCollection([$entity1, $entity2])], $collection->chunk(2));
$collection = new BaseCollection([$entity1, $entity2, $entity3]);
$this->assertEquals([new BaseCollection([$entity1]), new BaseCollection([$entity2]), new BaseCollection([$entity3])], $collection->chunk(1));
$this->assertEquals([new BaseCollection([$entity1, $entity2]), new BaseCollection([$entity3])], $collection->chunk(2));
$this->assertEquals([new BaseCollection([$entity1, $entity2, $entity3])], $collection->chunk(3));
$collection = new BaseCollection([$entity1, $entity2, $entity3, $entity4]);
$this->assertEquals([new BaseCollection([$entity1, $entity2]), new BaseCollection([$entity3, $entity4])], $collection->chunk(2));
$this->assertEquals([new BaseCollection([$entity1, $entity2, $entity3]), new BaseCollection([$entity4])], $collection->chunk(3));
$this->assertEquals([new BaseCollection([$entity1, $entity2, $entity3, $entity4])], $collection->chunk(4));
}
public function testChunkLengthException()
{
$this->expectException(\RangeException::class);
$entity1 = \Mockery::mock(BaseEntity::class);
$collection = new BaseCollection([$entity1]);
$collection->chunk(0);
}
}