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<?php
declare(strict_types=1);
namespace Ramsey\Uuid\Test\Generator;
use Ramsey\Uuid\Exception\NameException;
use Ramsey\Uuid\Generator\DefaultNameGenerator;
use Ramsey\Uuid\Test\TestCase;
use Ramsey\Uuid\Uuid;
use function hash;
class DefaultNameGeneratorTest extends TestCase
{
/**
* @param non-empty-string $ns
*
* @dataProvider provideNamesForHashingTest
*/
public function testDefaultNameGeneratorHashesName(string $ns, string $name, string $algorithm): void
{
$namespace = Uuid::fromString($ns);
$expectedBytes = hash($algorithm, $namespace->getBytes() . $name, true);
$generator = new DefaultNameGenerator();
$this->assertSame($expectedBytes, $generator->generate($namespace, $name, $algorithm));
}
/**
* @phpcsSuppress SlevomatCodingStandard.TypeHints.ReturnTypeHint.MissingTraversableTypeHintSpecification
*/
public function provideNamesForHashingTest(): array
{
return [
[
'ns' => Uuid::NAMESPACE_URL,
'name' => 'https://example.com/foobar',
'algorithm' => 'md5',
],
[
'ns' => Uuid::NAMESPACE_URL,
'name' => 'https://example.com/foobar',
'algorithm' => 'sha1',
],
[
'ns' => Uuid::NAMESPACE_URL,
'name' => 'https://example.com/foobar',
'algorithm' => 'sha256',
],
[
'ns' => Uuid::NAMESPACE_OID,
'name' => '1.3.6.1.4.1.343',
'algorithm' => 'sha1',
],
[
'ns' => Uuid::NAMESPACE_OID,
'name' => '1.3.6.1.4.1.52627',
'algorithm' => 'md5',
],
[
'ns' => 'd988ae29-674e-48e7-b93c-2825e2a96fbe',
'name' => 'foobar',
'algorithm' => 'sha1',
],
];
}
public function testGenerateThrowsException(): void
{
$namespace = Uuid::fromString('cd998804-c661-4264-822c-00cada75a87b');
$generator = new DefaultNameGenerator();
$this->expectException(NameException::class);
$this->expectExceptionMessage(
'Unable to hash namespace and name with algorithm \'aBadAlgorithm\''
);
$generator->generate($namespace, 'a test name', 'aBadAlgorithm');
}
}
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