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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\Sequence;
#[CoversClass(Sequence::class)]
final class SequenceTest extends TestCase
{
public function testSequenceCanBeInitialized(): void
{
$seq = new Sequence('sequence', 12);
$this->assertSame('sequence', $seq->name);
$this->assertSame(12, $seq->bits);
}
public function testSequenceHasMakeFactoryMethod(): void
{
$seq = Sequence::make('sequence', 12);
$this->assertSame('sequence', $seq->name);
$this->assertSame(12, $seq->bits);
}
public function testNextValueResolution(): void
{
$seq = new Sequence('sequence', 12);
$this->assertSame(0, $seq->next());
$this->assertSame(1, $seq->next());
$this->assertSame(2, $seq->next());
}
public function testExceptionShouldBeThrownWhenMaxValueExceeded(): void
{
$seq = new Sequence('sequence', 1); // Max value is 1
$this->assertSame(0, $seq->next());
$this->assertSame(1, $seq->next());
$this->expectException(\OverflowException::class);
$this->expectExceptionMessage('Sequence "sequence" exceeded its maximum value of 1.');
$seq->next();
}
public function testSequenceCanBeReset(): void
{
$seq = new Sequence('sequence', 12);
$this->assertSame(0, $seq->next());
$this->assertSame(1, $seq->next());
$this->assertSame(0, $seq->reset()->next());
}
}
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