[GH-28] Add one fix for TYPE_CLASS names.

Author: beberlei

src/main/QafooLabs/Refactoring/Domain/Model/PhpName.php

@@ -109,7 +109,10 @@ public function change(PhpName $from, PhpName $to)
         if ($this->fullyQualifiedName === $this->relativeName) {
             $relativeNewParts = $newParts;
         } else {
-            $diff = count($newParts) - $this->numParts();
+            $diff = ($this->type === self::TYPE_CLASS)
+                ? 0
+                : count($newParts) - $this->numParts();
+
             $relativeNewParts = array_slice($newParts, -1 * (count(explode('\\', $this->relativeName))+$diff));
         }
 

src/test/QafooLabs/Refactoring/Domain/Model/PhpNameTest.php

@@ -171,4 +171,17 @@ public function testAddRelativeNameWhenNamespaceExpands()
         $this->assertEquals('Foo\Bar\Foo', $changed->fullyQualifiedName());
         $this->assertEquals('Bar\Foo', $changed->relativeName());
     }
+
+    public function testNotExpandWhenRelativeNameIsTypeClass()
+    {
+        $from = new PhpName('Foo', 'Foo');
+        $to = new PhpName('Foo\Bar', 'Foo\Bar');
+
+        $name = new PhpName('Foo\Foo', 'Foo', PhpName::TYPE_CLASS);
+        $changed = $name->change($from, $to);
+
+        $this->assertFalse($name->isAffectedByChangesTo($from));
+        $this->assertEquals('Foo\Bar\Foo', $changed->fullyQualifiedName());
+        $this->assertEquals('Foo', $changed->relativeName());
+    }
 }