Closes #5416

src/Framework/MockObject/Generator/Exception/MethodNamedMethodException.php

@@ -0,0 +1,21 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of PHPUnit.
+ *
+ * (c) Sebastian Bergmann <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace PHPUnit\Framework\MockObject\Generator;
+
+/**
+ * @internal This class is not covered by the backward compatibility promise for PHPUnit
+ */
+final class MethodNamedMethodException extends \PHPUnit\Framework\Exception implements Exception
+{
+    public function __construct()
+    {
+        parent::__construct('Doubling interfaces (or classes) that have a method named "method" is not supported.');
+    }
+}

src/Framework/MockObject/Generator/Generator.php

@@ -32,9 +32,6 @@
 use Exception;
 use Iterator;
 use IteratorAggregate;
-use PHPUnit\Event\Code\NoTestCaseObjectOnCallStackException;
-use PHPUnit\Event\Code\TestMethodBuilder;
-use PHPUnit\Event\Facade as EventFacade;
 use PHPUnit\Framework\MockObject\ConfigurableMethod;
 use PHPUnit\Framework\MockObject\DoubledCloneMethod;
 use PHPUnit\Framework\MockObject\GeneratedAsMockObject;
@@ -304,6 +301,7 @@ private function getObject(MockType $mockClass, bool $callOriginalConstructor =
      * @throws ClassIsEnumerationException
      * @throws ClassIsFinalException
      * @throws ClassIsReadonlyException
+     * @throws MethodNamedMethodException
      * @throws ReflectionException
      * @throws RuntimeException
      */
@@ -471,21 +469,10 @@ private function generateCodeForTestDoubleClass(string $type, bool $mockObject,
         }
 
         if ($mockMethods->hasMethod('method') || (isset($class) && $class->hasMethod('method'))) {
-            $message = 'Doubling interfaces (or classes) that have a method named "method" is deprecated. Support for this will be removed in PHPUnit 12.';
-
-            try {
-                EventFacade::emitter()->testTriggeredPhpunitDeprecation(
-                    TestMethodBuilder::fromCallStack(),
-                    $message,
-                );
-            } catch (NoTestCaseObjectOnCallStackException) {
-                EventFacade::emitter()->testRunnerTriggeredDeprecation($message);
-            }
+            throw new MethodNamedMethodException;
         }
 
-        if (!$mockMethods->hasMethod('method') && (!isset($class) || !$class->hasMethod('method'))) {
-            $traits[] = Method::class;
-        }
+        $traits[] = Method::class;
 
         if ($doubledCloneMethod) {
             $traits[] = DoubledCloneMethod::class;

src/Framework/MockObject/Runtime/Interface/MockObject.php

@@ -13,8 +13,6 @@
 use PHPUnit\Framework\MockObject\Rule\InvocationOrder;
 
 /**
- * @method InvocationMocker method($constraint)
- *
  * @no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit
  */
 interface MockObject extends Stub

src/Framework/MockObject/Runtime/Interface/Stub.php

@@ -12,10 +12,9 @@
 use PHPUnit\Framework\MockObject\Builder\InvocationStubber;
 
 /**
- * @method InvocationStubber method($constraint)
- *
  * @no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit
  */
 interface Stub
 {
+    public function method(): InvocationStubber;
 }