flux-querybuilder/tests/Function/ReduceFunctionTest.php

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<?php
declare(strict_types=1);
use Arendsen\FluxQueryBuilder\Function\Reduce;
use PHPUnit\Framework\TestCase;
final class ReduceFunctionTest extends TestCase {
public function testSimpleReduce()
{
$expression = new Reduce(['sum' => 'r._value + accumulator.sum'], ['sum' => 0]);
$query = '|> reduce(fn: (r, accumulator) => ({sum: r._value + accumulator.sum}), identity: {sum: 0}) ';
$this->assertEquals($query, $expression->__toString());
}
}