public function testDefaultBuildInPipesInterface()
{
$pipeline = new Pipeline(array(1, 2, 3, 4));
$pipeline->filter(function ($value) {
return $value % 2 === 0;
})->map(function ($value) {
return $value / 2;
})->renumber();
$this->assertSame(array(1, 2), $pipeline->output());
}
<?php
use Pipes\Iterator\Pipeline;
use Pipes\Iterator\Pipe\RenumberPipe;
use Pipes\Iterator\Pipe\TransformPipe;
use Pipes\Iterator\Pipe\DuplicateFilterPipe;
use Pipes\Iterator\Pipe\FilterPipe;
require __DIR__ . '/../vendor/autoload.php';
$pipeline = new Pipeline(array(1, 1, 2, 2, 3, 3, 4, 4), array(new DuplicateFilterPipe(), new FilterPipe(function ($value) {
return $value % 2 === 0;
}), new TransformPipe(function ($value) {
return $value / 2;
}), new RenumberPipe()));
print_r($pipeline->output());
