Added MessageLink & OpenAppButton

tests/Models/MessageLinkTest.php

@@ -0,0 +1,32 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BushlanovDev\MaxMessengerBot\Tests\Models;
+
+use BushlanovDev\MaxMessengerBot\Enums\MessageLinkType;
+use BushlanovDev\MaxMessengerBot\Models\MessageLink;
+use PHPUnit\Framework\Attributes\CoversClass;
+use PHPUnit\Framework\Attributes\Test;
+use PHPUnit\Framework\TestCase;
+
+#[CoversClass(MessageLink::class)]
+final class MessageLinkTest extends TestCase
+{
+    #[Test]
+    public function toArraySerializesCorrectly(): void
+    {
+        $messageLink = new MessageLink(MessageLinkType::Forward, '123');
+
+        $expectedArray = [
+            'type' => MessageLinkType::Forward->value,
+            'mid' => '123',
+        ];
+
+        $resultArray = $messageLink->toArray();
+
+        $this->assertSame($expectedArray, $resultArray);
+        $this->assertSame(MessageLinkType::Forward, $messageLink->type);
+        $this->assertSame('123', $messageLink->mid);
+    }
+}