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<?php
declare(strict_types=1);
namespace Zhineng\Snowflake\Tests;
use PHPUnit\Framework\Attributes\CoversClass;
use PHPUnit\Framework\TestCase;
use Zhineng\Snowflake\Constant;
use Zhineng\Snowflake\Field;
use Zhineng\Snowflake\Manager;
use Zhineng\Snowflake\Sequence;
use Zhineng\Snowflake\Structure;
use Zhineng\Snowflake\Timestamp;
#[CoversClass(Manager::class)]
final class ManagerTest extends TestCase
{
public function testNextIdResolution(): void
{
$struct = new Structure;
$struct->add(Sequence::make('sequence', 12));
$struct->add(Constant::make('instance_id', 10));
$struct->add(Timestamp::make());
$manager = new Manager;
$manager->structureUsing($struct);
$this->assertNotSame($manager->nextId(), $manager->nextId());
}
public function testSequenceShouldBeResetWhenAnyOtherFieldChanges(): void
{
$struct = new Structure;
$struct->add(Sequence::make('sequence', 12));
$struct->add($field = new class ('test', 10) extends Field {
public int $value = 0;
public function value(): int
{
return $this->value;
}
public function setValue(int $value): void
{
$this->value = $value;
}
});
$manager = new Manager;
$manager->structureUsing($struct);
$id1 = $manager->nextId();
$id2 = $manager->nextId();
$field->setValue(1);
$id3 = $manager->nextId();
$sequenceMask = (1 << 12) - 1;
$this->assertSame(0, $id1 & $sequenceMask);
$this->assertSame(1, $id2 & $sequenceMask);
$this->assertSame(0, $id3 & $sequenceMask);
}
public function testExceptionShouldBeThrownWhenMissingStructure(): void
{
$manager = new Manager;
$this->expectException(\RuntimeException::class);
$this->expectExceptionMessage('ID structure is not defined.');
$manager->nextId();
}
}
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