Fix issue where ext-ds was not recognized as used

Signed-off-by: Andreas Frömer <andreas.froemer@check24.de>

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## [Unreleased]
+### Fixed
+- Fixed an issue where `ext-ds` classes where not recognized as used
+
 ## [0.7.3] - 2020-05-19
 ### Added
 - Added workflow to verify integrity of build `phar` file

src/Parser/PHP/Strategy/PhpExtensionStrategy.php

@@ -104,8 +104,9 @@ public function extractNamespaces(Node $node): array
     private function getNameFromNode(Node $node): string
     {
         if ($node instanceof Node\Name\FullyQualified) {
-            return $node->parts[0];
+            return implode('\\', $node->parts);
         }
+
         if ($node instanceof Node\Stmt\UseUse) {
             return $node->name->parts[0];
         }

tests/Integration/Parser/PHP/NodeVisitorTest.php

@@ -156,6 +156,11 @@ public function itShouldParseUsagesDataProvider(): array
                 'inputFile'              => ASSET_DIR . '/TestFiles/PhpExtensionStrategy/ClassWithCore.php',
                 'strategy'               => new PhpExtensionStrategy(['Core'], new NullLogger())
             ],
+            'PhpExtensionParseStrategyShouldReturnQualifiedNamespace---11'        => [
+                'expectedUsedNamespaces' => ['ext-ds'],
+                'inputFile'              => ASSET_DIR . '/TestFiles/PhpExtensionStrategy/ClassWithDs.php',
+                'strategy'               => new PhpExtensionStrategy(['ds'], new NullLogger())
+            ],
         ];
     }
 

tests/assets/TestFiles/PhpExtensionStrategy/ClassWithDs.php

@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+namespace TestFile {
+    class ClassWithDs
+    {
+        public function foo()
+        {
+            $map = new \Ds\Map();
+        }
+    }
+}