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<?php |
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/** |
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* Novactive Collection. |
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* |
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* @author Luke Visinoni <[email protected], [email protected]> |
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* @author Sébastien Morel <[email protected], [email protected]> |
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* @copyright 2017 Novactive |
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* @license MIT |
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*/ |
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namespace Novactive\Tests; |
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use Novactive\Collection\Factory; |
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/** |
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* Class ReduceCollectionTest. |
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*/ |
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class ReduceCollectionTest extends UnitTestCase |
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{ |
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public function testReduceIterativelyReducesCollectionToASingleValue() |
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{ |
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$coll = Factory::create($this->fixtures['names']); |
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$count = function ($carry, $val, $key = null) { |
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return ++$carry; |
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}; |
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$concat = function ($carry, $val, $key = null) { |
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return $carry.$val; |
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}; |
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$concateven = function ($carry, $val, $key) { |
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if ($key % 2 == 0) { |
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$carry .= $val; |
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} |
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return $carry; |
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}; |
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$this->assertEquals(10, $coll->reduce($count)); |
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$this->assertEquals('ChelseaAdellaMonteMayeLottieDonDaytonKirkTroyNakia', $coll->reduce($concat)); |
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if (!$coll instanceof \Novactive\Tests\Perfs\ArrayMethodCollection) { |
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$this->assertEquals('ChelseaMonteLottieDaytonTroy', $coll->reduce($concateven)); |
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} |
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} |
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public function testImplodeCollection() |
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{ |
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$coll = Factory::create($this->fixtures['names']); |
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$return = $coll->implode(';'); |
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$reduction = function ($carry, $val, $key = null) { |
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if (!empty($carry)) { |
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return $carry.';'.$val; |
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} |
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return $val; |
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}; |
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$return2 = $coll->reduce($reduction); |
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$this->assertEquals($return, $return2); |
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} |
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} |
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Novactive /
NovaCollection
