Fix asserting errors in traits

composer.json

@@ -37,7 +37,10 @@
     "autoload-dev": {
         "psr-4": {
             "ShipMonkTests\\PHPStanDev\\": "tests/"
-        }
+        },
+        "classmap": [
+            "tests/Rule/Data"
+        ]
     },
     "config": {
         "allow-plugins": {

src/RuleTestCase.php

@@ -39,7 +39,7 @@ protected function analyzeFiles(array $files, bool $autofix = false): void
 
         if ($autofix) {
             foreach ($files as $file) {
-                $fileErrors = array_filter($analyserErrors, static fn(Error $error): bool => $error->getFile() === $file);
+                $fileErrors = array_filter($analyserErrors, static fn(Error $error): bool => $error->getFilePath() === $file);
                 $this->autofix($file, array_values($fileErrors));
             }
 
@@ -48,7 +48,7 @@ protected function analyzeFiles(array $files, bool $autofix = false): void
         }
 
         foreach ($files as $file) {
-            $fileErrors = array_filter($analyserErrors, static fn(Error $error): bool => $error->getFile() === $file);
+            $fileErrors = array_filter($analyserErrors, static fn(Error $error): bool => $error->getFilePath() === $file);
             $actualErrors = $this->processActualErrors(array_values($fileErrors));
             $expectedErrors = $this->parseExpectedErrors($file);
 

tests/Rule/Data/DisallowDivisionByLiteralZeroRule/trait.php

@@ -0,0 +1,15 @@
+<?php declare(strict_types = 1);
+
+namespace DisallowDivisionByLiteralZeroRule;
+
+trait MyTrait
+{
+    public function emitError(): float
+    {
+        return 10 / 0; // error: Division by literal zero is not allowed
+    }
+}
+
+class TraitUser {
+    use MyTrait;
+}

tests/RuleTestCaseTest.php

@@ -22,6 +22,11 @@ public function testRule(): void
         $this->analyzeFiles([__DIR__ . '/Rule/Data/DisallowDivisionByLiteralZeroRule/code.php']);
     }
 
+    public function testTrait(): void
+    {
+        $this->analyzeFiles([__DIR__ . '/Rule/Data/DisallowDivisionByLiteralZeroRule/trait.php']);
+    }
+
     public function testMultipleErrorsOnSameLine(): void
     {
         // Create a dedicated test file for multiple errors demonstration