Added UUID type

src/UUIDType.php

@@ -0,0 +1,24 @@
+<?php
+
+declare(strict_types = 1);
+
+namespace Graphpinator\ExtraTypes;
+
+final class UUIDType extends \Graphpinator\Type\ScalarType
+{
+    protected const NAME = 'UUID';
+    protected const DESCRIPTION = 'UUID type - string which contains valid UUID (universally unique identifier).';
+
+    public function __construct()
+    {
+        parent::__construct();
+
+        $this->setSpecifiedBy('https://datatracker.ietf.org/doc/html/rfc4122');
+    }
+
+    public function validateNonNullValue(mixed $rawValue) : bool
+    {
+        return \is_string($rawValue)
+            && \preg_match('/^{?[A-Z0-9]{8}-[A-Z0-9]{4}-[A-Z0-9]{4}-[A-Z0-9]{4}-[A-Z0-9]{12}}?$/', $rawValue) === 1;
+    }
+}

tests/Unit/UUIDTypeTest.php

@@ -0,0 +1,62 @@
+<?php
+
+declare(strict_types = 1);
+
+namespace Graphpinator\ExtraTypes\Tests\Unit;
+
+final class UUIDTypeTest extends \PHPUnit\Framework\TestCase
+{
+    public function simpleDataProvider() : array
+    {
+        return [
+            ['A98C5A1E-A742-4808-96FA-6F409E799937'],
+        ];
+    }
+
+    public function invalidDataProvider() : array
+    {
+        return [
+            [''],
+            ['A98C5A1E-A742-4808-96FA-6F409E799937A'],
+            ['A98C5A1E-A742-4808-96FA-6F409E799937-'],
+            [true],
+            [420],
+            [420.42],
+            ['beetlejuice'],
+            [(object) []],
+            [[]],
+        ];
+    }
+
+    /**
+     * @dataProvider simpleDataProvider
+     * @param string $rawValue
+     */
+    public function testValidateValue(string $rawValue) : void
+    {
+        $type = new \Graphpinator\ExtraTypes\UUIDType();
+        $value = $type->accept(new \Graphpinator\Resolver\CreateResolvedValueVisitor($rawValue));
+
+        self::assertSame($type, $value->getType());
+        self::assertSame($rawValue, $value->getRawValue());
+    }
+
+    /**
+     * @dataProvider invalidDataProvider
+     * @param int|bool|string|float|array $rawValue
+     */
+    public function testValidateValueInvalid($rawValue) : void
+    {
+        $this->expectException(\Graphpinator\Exception\Value\InvalidValue::class);
+
+        $ipv4 = new \Graphpinator\ExtraTypes\UUIDType();
+        $ipv4->accept(new \Graphpinator\Resolver\CreateResolvedValueVisitor($rawValue));
+    }
+
+    public function testSpecifiedBy() : void
+    {
+        $type = new \Graphpinator\ExtraTypes\UUIDType();
+
+        self::assertSame('https://datatracker.ietf.org/doc/html/rfc4122', $type->getSpecifiedByUrl());
+    }
+}