Added some tests and factory impl

tests/spec/FactorySpec.php

@@ -0,0 +1,32 @@
+<?php
+namespace spec\Madkom\NginxConfigurator;
+
+use Madkom\NginxConfigurator\Config\Location;
+use Madkom\NginxConfigurator\Config\Server;
+use Madkom\NginxConfigurator\Factory;
+use PhpSpec\ObjectBehavior;
+use Prophecy\Argument;
+
+/**
+ * Class FactorySpec
+ * @package spec\Madkom\NginxConfigurator
+ * @author Michał Brzuchalski <m.brzuchalski@madkom.pl>
+ * @mixin Factory
+ */
+class FactorySpec extends ObjectBehavior
+{
+    function it_is_initializable()
+    {
+        $this->shouldHaveType(Factory::class);
+    }
+
+    function it_can_create_Server_node()
+    {
+        $this->createServer(80)->shouldReturnAnInstanceOf(Server::class);
+    }
+
+    function it_can_create_Location_node()
+    {
+        $this->createLocation('/test', '~')->shouldReturnAnInstanceOf(Location::class);
+    }
+}