Update

Author: dantleech

composer.json

@@ -19,7 +19,8 @@
         "phpstan/phpstan": "~0.12.0",
         "phpunit/phpunit": "^9.0",
         "symfony/filesystem": "^4.2 || ^5.0",
-        "phpspec/prophecy-phpunit": "^2.0"
+        "phpspec/prophecy-phpunit": "^2.0",
+        "symfony/var-dumper": "^6.0"
     },
     "extra": {
         "branch-alias": {

lib/Adapter/Simple/ClassScanner.php

@@ -3,6 +3,7 @@
 namespace Phpactor\ClassFileConverter\Adapter\Simple;
 
 use RuntimeException;
+use function token_name;
 
 /**
  * Return the class name from a file.
@@ -13,6 +14,10 @@ class ClassScanner
 {
     public function getClassNameFromFile(string $file): ?string
     {
+        if (!file_exists($file)) {
+            return null;
+        }
+
         $fp = fopen($file, 'r');
 
         $class = $namespace = $buffer = '';
@@ -47,7 +52,7 @@ public function getClassNameFromFile(string $file): ?string
                     }
                 }
 
-                if ($tokens[$i][0] === T_CLASS) {
+                if ($this->isClassLike($tokens[$i])) {
                     for ($j = $i + 1; $j < count($tokens); $j++) {
                         if ($tokens[$j][0] === T_STRING) {
                             $class = $tokens[$i + 2][1];
@@ -63,6 +68,22 @@ public function getClassNameFromFile(string $file): ?string
             return null;
         }
 
-        return $namespace . '\\' . $class;
+        return ltrim($namespace . '\\' . $class, '\\');
+    }
+
+    private function isClassLike($token): bool
+    {
+        if (!is_array($token)) {
+            return false;
+        }
+        if ($token[0] === T_CLASS || $token[0] === T_INTERFACE || $token[0] === T_TRAIT) {
+            return true;
+        }
+
+        if (!defined('T_ENUM')) {
+            return false;
+        }
+
+        return $token[0] === T_ENUM;
     }
 }

lib/Adapter/Simple/SimpleClassToFile.php

@@ -41,8 +41,9 @@ public function classToFileCandidates(ClassName $className): FilePathCandidates
         $iterator = new RegexIterator($iterator, $pattern);
 
         foreach ($iterator as $phpFile) {
-            $className = $this->classScanner->getClassNameFromFile($phpFile->getPathName());
-            if (ClassName::fromString($className) == $className) {
+            $scannedClass = $this->classScanner->getClassNameFromFile($phpFile->getPathName());
+
+            if (ClassName::fromString($scannedClass) == $className) {
                 $candidates[] = FilePath::fromString($phpFile->getPathName());
             }
         }

tests/Unit/ChainClassToFileTest.php

@@ -8,9 +8,12 @@
 use Phpactor\ClassFileConverter\Domain\ClassName;
 use Phpactor\ClassFileConverter\Domain\FilePathCandidates;
 use Phpactor\ClassFileConverter\Domain\FilePath;
+use Prophecy\PhpUnit\ProphecyTrait;
 
 class ChainClassToFileTest extends TestCase
 {
+    use ProphecyTrait;
+
     private $classToFile1;
     private $classToFile2;
 

tests/Unit/ChainFileToClassTest.php

@@ -8,9 +8,12 @@
 use Phpactor\ClassFileConverter\Domain\ClassNameCandidates;
 use Phpactor\ClassFileConverter\Domain\ClassName;
 use Phpactor\ClassFileConverter\Domain\FilePath;
+use Prophecy\PhpUnit\ProphecyTrait;
 
 class ChainFileToClassTest extends TestCase
 {
+    use ProphecyTrait;
+
     private $fileToClass1;
     private $fileToClass2;
 

tests/Unit/CompositeTransformerTest.php

@@ -10,9 +10,12 @@
 use Phpactor\ClassFileConverter\Domain\FilePathCandidates;
 use Phpactor\ClassFileConverter\Domain\ClassNameCandidates;
 use Phpactor\ClassFileConverter\Domain\FilePath;
+use Prophecy\PhpUnit\ProphecyTrait;
 
 class CompositeTransformerTest extends TestCase
 {
+    use ProphecyTrait;
+
     private $transformer;
 
     public function setUp(): void