MultipleOperationTest.php
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MultipleOperationTest.php
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	<?php
	declare(strict_types=1);

	namespace Keruald\OmniTools\Tests\Collections;

	use Keruald\OmniTools\Collections\MultipleOperation;

	use PHPUnit\Framework\TestCase;

	class MultipleOperationTest extends TestCase {

	public function testIsOkAtFirst () {
	$operation = new MultipleOperation([]);
	$this->assertTrue($operation->isOk());
	}

	public function testIsOkWhenItIs () {
	$operation = new MultipleOperation([1, 2, 3]);

	$operation->apply(fn () => true);

	$this->assertTrue($operation->isOk());
	}

	public function testIsOkWhenItIsNever () {
	$operation = new MultipleOperation([1, 2, 3]);

	$operation->apply(fn () => false);
	$this->assertFalse($operation->isOk());
	}

	public function testIsOkWhenItIsNot () {
	$operation = new MultipleOperation([1, 2, 3]);

	$fn = fn($n) => match ($n) {
	2 => false, // second operation will fail
	default => true,
	};

	$operation->apply($fn);
	$this->assertFalse($operation->isOk());
	}

	public function testApply () {
	$toProcess = [1, 2, 3];
	$processed = [];

	$fn = function ($n) use (&$processed) {
	$processed[] = $n;

	return true;
	};

	$operation = new MultipleOperation($toProcess);
	$operation->apply($fn);
	$this->assertEquals([1, 2, 3], $processed);
	}

	public function testDo () {
	$toProcess = [1, 2, 3];
	$processed = [];

	$fn = function ($n) use (&$processed) {
	if ($n == 2) {
	// second operation will fail
	return false;
	}

	$processed[] = $n;
	return true;
	};

	$result = MultipleOperation::do($toProcess, $fn);
	$this->assertFalse($result);
	$this->assertEquals([1, 3], $processed);
	}

	}