Test enhancement (spatie#69)

Author: peter279k

.styleci.yml

@@ -1,3 +1 @@
 preset: laravel
-
-linting: true

phpunit.xml

@@ -14,4 +14,9 @@
             <directory>./tests/</directory>
         </testsuite>
     </testsuites>
+     <filter>
+        <whitelist>
+            <directory suffix=".php">src/</directory>
+        </whitelist>
+    </filter>
 </phpunit>

tests/ArrayToXmlTest.php

@@ -306,4 +306,15 @@ public function it_doesnt_pollute_attributes_in_collection_and_sequential_nodes(
             ],
         ]));
     }
+
+    /** @test */
+    public function it_can_convert_array_to_dom()
+    {
+        $resultDom = (new ArrayToXml($this->testArray))->toDom();
+
+        $this->assertSame('Luke Skywalker', $resultDom->getElementsByTagName('name')->item(0)->nodeValue);
+        $this->assertSame('Sauron', $resultDom->getElementsByTagName('name')->item(1)->nodeValue);
+        $this->assertSame('Lightsaber', $resultDom->getElementsByTagName('weapon')->item(0)->nodeValue);
+        $this->assertSame('Evil Eye', $resultDom->getElementsByTagName('weapon')->item(1)->nodeValue);
+    }
 }