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myep/tests/Service/VoucherCodeClassifierTest.php
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59 lines
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PHP

<?php
declare(strict_types=1);
namespace App\Tests\Service;
use App\Enum\VoucherCodeKind;
use App\Service\VoucherCodeClassifier;
use PHPUnit\Framework\Attributes\DataProvider;
use PHPUnit\Framework\TestCase;
class VoucherCodeClassifierTest extends TestCase
{
private VoucherCodeClassifier $classifier;
protected function setUp(): void
{
$this->classifier = new VoucherCodeClassifier(['lw0705' => '2027-04-30']);
}
/**
* @return iterable<string, array{string, VoucherCodeKind}>
*/
public static function codes(): iterable
{
yield 'prefixed promo' => ['R-SOMMER26', VoucherCodeKind::Promo];
yield 'prefixed promo in lowercase' => ['r-sommer26', VoucherCodeKind::Promo];
yield 'legacy promo, matched case-insensitively' => ['Lw0705', VoucherCodeKind::Promo];
yield 'purchase code' => ['1F7V6PADRZ', VoucherCodeKind::Purchase];
yield 'purchase code in lowercase' => ['1f7v6padrz', VoucherCodeKind::Purchase];
yield 'surrounding whitespace' => [' 1F7V6PADRZ ', VoucherCodeKind::Purchase];
yield 'hyphen without the promo prefix' => ['X-1F7V6PADRZ', VoucherCodeKind::Malformed];
yield 'characters outside the code alphabet' => ['1F7V 6PADRZ', VoucherCodeKind::Malformed];
yield 'empty' => [' ', VoucherCodeKind::Malformed];
yield 'too long' => [str_repeat('A', 51), VoucherCodeKind::Malformed];
}
#[DataProvider('codes')]
public function testClassify(string $code, VoucherCodeKind $expected): void
{
self::assertSame($expected, $this->classifier->classify($code, new \DateTimeImmutable('2026-10-06')));
}
public function testLegacyCodeIsRecognisedOnItsLastDay(): void
{
self::assertSame(VoucherCodeKind::Promo, $this->classifier->classify('LW0705', new \DateTimeImmutable('2027-04-30')));
}
public function testLegacyCodeIsAPurchaseCodeOnceExpired(): void
{
self::assertSame(VoucherCodeKind::Purchase, $this->classifier->classify('LW0705', new \DateTimeImmutable('2027-05-01')));
}
public function testNormalizeTrimsAndUppercases(): void
{
self::assertSame('R-SOMMER26', $this->classifier->normalize(' r-Sommer26 '));
}
}