Add VariableManager, RpcClient classes, and cache enhancements

tests/Socialbox/Classes/CryptographyTest.php

@@ -20,6 +20,8 @@ class CryptographyTest extends TestCase
         $this->assertObjectHasProperty('privateKey', $keyPair);
         $this->assertIsString($keyPair->getPublicKey());
         $this->assertIsString($keyPair->getPrivateKey());
+
+        print_r($keyPair);
     }
 
     /**

tests/Socialbox/Classes/ServerResolverTest.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace Socialbox\Classes;
+
+use PHPUnit\Framework\TestCase;
+use Socialbox\Exceptions\ResolutionException;
+use Socialbox\Objects\ResolvedServer;
+
+class ServerResolverTest extends TestCase
+{
+    /**
+     * Test for the function resolveDomain of the class ServerResolver
+     */
+    public function testResolveDomain(): void
+    {
+        // successful resolution
+        $resolvedServer = ServerResolver::resolveDomain('n64.cc');
+        self::assertNotEmpty($resolvedServer->getEndpoint());
+        self::assertNotEmpty($resolvedServer->getPublicKey());
+    }
+}