Allow non-existing file

Author: dantleech

lib/Adapter/Simple/ClassScanner.php

@@ -11,6 +11,10 @@ class ClassScanner
 {
     public function getClassNameFromFile($file)
     {
+        if (!file_exists($file)) {
+            return null;
+        }
+
         $fp = fopen($file, 'r');
 
         $class = $namespace = $buffer = '';
@@ -54,7 +58,7 @@ public function getClassNameFromFile($file)
         }
 
         if (!trim($class)) {
-            return;
+            return null;
         }
 
         fclose($fp);

tests/Integration/Simple/SimpleFileToClassTest.php

@@ -38,4 +38,11 @@ public function testFileToNoCandidates()
 
         $this->assertEquals(ClassNameCandidates::fromClassNames([]), $candidates);
     }
+
+    public function testFileToClassNotExisting()
+    {
+        $candidates = $this->fileToClass->fileToClassCandidates(FilePath::fromString(__DIR__ . '/project/notexist/NotExist.php'));
+
+        $this->assertEquals(ClassNameCandidates::fromClassNames([]), $candidates);
+    }
 }