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<?php
namespace Drupal\Tests\Component\Uuid;
use Drupal\Component\Uuid\Uuid;
use Drupal\Component\Uuid\UuidInterface;
use Drupal\Component\Uuid\Com;
use Drupal\Component\Uuid\Pecl;
use Drupal\Component\Uuid\Php;
use Drupal\Tests\UnitTestCase;
/**
* Tests the handling of Universally Unique Identifiers (UUIDs).
*
* @group Uuid
*/
class UuidTest extends UnitTestCase {
/**
* Tests generating valid UUIDs.
*
* @dataProvider providerUuidInstances
*/
public function testGenerateUuid(UuidInterface $instance) {
$this->assertTrue(Uuid::isValid($instance->generate()), sprintf('UUID generation for %s works.', get_class($instance)));
}
/**
* Tests that generated UUIDs are unique.
*
* @dataProvider providerUuidInstances
*/
public function testUuidIsUnique(UuidInterface $instance) {
$this->assertNotEquals($instance->generate(), $instance->generate(), sprintf('Same UUID was not generated twice with %s.', get_class($instance)));
}
/**
* Dataprovider for UUID instance tests.
*
* @return array
*/
public function providerUuidInstances() {
$instances = [];
$instances[][] = new Php();
// If valid PECL extensions exists add to list.
if (function_exists('uuid_create') && !function_exists('uuid_make')) {
$instances[][] = new Pecl();
}
// If we are on Windows add the com implementation as well.
if (function_exists('com_create_guid')) {
$instances[][] = new Com();
}
return $instances;
}
/**
* Tests UUID validation.
*
* @param string $uuid
* The uuid to check against.
* @param bool $is_valid
* Whether the uuid is valid or not.
* @param string $message
* The message to display on failure.
*
* @dataProvider providerTestValidation
*/
public function testValidation($uuid, $is_valid, $message) {
$this->assertSame($is_valid, Uuid::isValid($uuid), $message);
}
/**
* Dataprovider for UUID instance tests.
*
* @return array
* An array of arrays containing
* - The Uuid to check against.
* - (bool) Whether or not the Uuid is valid.
* - Failure message.
*/
public function providerTestValidation() {
return [
// These valid UUIDs.
['6ba7b810-9dad-11d1-80b4-00c04fd430c8', TRUE, 'Basic FQDN UUID did not validate'],
['00000000-0000-0000-0000-000000000000', TRUE, 'Minimum UUID did not validate'],
['ffffffff-ffff-ffff-ffff-ffffffffffff', TRUE, 'Maximum UUID did not validate'],
// These are invalid UUIDs.
['0ab26e6b-f074-4e44-9da-601205fa0e976', FALSE, 'Invalid format was validated'],
['0ab26e6b-f074-4e44-9daf-1205fa0e9761f', FALSE, 'Invalid length was validated'],
];
}
}