From 70ce34d4c3d7528afe435db36be0285bc5438a61 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marcus=20M=C3=BCller?=
 <25648755+M-arcus@users.noreply.github.com>
Date: Sun, 14 Jun 2026 13:43:03 +0200
Subject: [PATCH 1/2] fix: mock builder handles traits and enums

---
 guides/development/testing/unit/php-unit.md | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/guides/development/testing/unit/php-unit.md b/guides/development/testing/unit/php-unit.md
index 1a80ef447..1f2b0590d 100644
--- a/guides/development/testing/unit/php-unit.md
+++ b/guides/development/testing/unit/php-unit.md
@@ -100,7 +100,13 @@ class UsedClassesAvailableTest extends TestCase
         foreach ($this->getPluginClasses() as $class) {
             $classRelativePath = str_replace(['.php', '/'], ['', '\\'], $class->getRelativePathname());
 
-            $this->getMockBuilder($namespace . '\\' . $classRelativePath)
+            /** @var class-string $className */
+            $className = $namespace . '\\' . $classRelativePath;
+            if (trait_exists($className) || enum_exists($className)) {
+                continue;
+            }
+
+            $this->getMockBuilder($className)
  ->disableOriginalConstructor()
  ->getMock();
  }

From 78e6c131be9fda1d29d68d9c4aa828f4a2a8f5a1 Mon Sep 17 00:00:00 2001
From: M-arcus <25648755+M-arcus@users.noreply.github.com>
Date: Mon, 15 Jun 2026 16:20:12 +0200
Subject: [PATCH 2/2] fix: don't autoload on trait and enum check

---
 guides/development/testing/unit/php-unit.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/guides/development/testing/unit/php-unit.md b/guides/development/testing/unit/php-unit.md
index 1f2b0590d..5b437c96f 100644
--- a/guides/development/testing/unit/php-unit.md
+++ b/guides/development/testing/unit/php-unit.md
@@ -102,7 +102,7 @@ class UsedClassesAvailableTest extends TestCase
 
             /** @var class-string $className */
             $className = $namespace . '\\' . $classRelativePath;
-            if (trait_exists($className) || enum_exists($className)) {
+            if (trait_exists($className, false) || enum_exists($className, false)) {
                 continue;
             }