Merge pull request #284 from shochdoerfer/feature/prefer_local_extens…

…ion_class Ignore ext autoloader for local classes
bitExpert · Jan 21, 2023 · 1bcdba3 · 1bcdba3
2 parents d00470f + bfe87d0
commit 1bcdba3
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Showing 6 changed files with 80 additions and 34 deletions.
diff --git a/extension.neon b/extension.neon
@@ -88,14 +88,15 @@ services:
 		class: bitExpert\PHPStan\Magento\Autoload\ExtensionInterfaceAutoloader
 		arguments:
 			cache: @autoloaderCache
-			attributeDataProvider: @extensionAttributeDataProvider
 			classLoaderProvider: @classLoaderProvider
+			attributeDataProvider: @extensionAttributeDataProvider
 		tags:
 			- phpstan.magento.autoloader
 	extensionAutoloader:
 		class: bitExpert\PHPStan\Magento\Autoload\ExtensionAutoloader
 		arguments:
 			cache: @autoloaderCache
+			classLoaderProvider: @classLoaderProvider
 			attributeDataProvider: @extensionAttributeDataProvider
 		tags:
 			- phpstan.magento.autoloader
diff --git a/src/bitExpert/PHPStan/Magento/Autoload/ExtensionAutoloader.php b/src/bitExpert/PHPStan/Magento/Autoload/ExtensionAutoloader.php
@@ -12,6 +12,7 @@
 
 namespace bitExpert\PHPStan\Magento\Autoload;
 
+use bitExpert\PHPStan\Magento\Autoload\DataProvider\ClassLoaderProvider;
 use bitExpert\PHPStan\Magento\Autoload\DataProvider\ExtensionAttributeDataProvider;
 use Laminas\Code\Generator\ClassGenerator;
 use Laminas\Code\Generator\DocBlock\Tag\ParamTag;
@@ -28,6 +29,10 @@ class ExtensionAutoloader implements Autoloader
      * @var Cache
      */
     private $cache;
+    /**
+     * @var ClassLoaderProvider
+     */
+    private $classLoaderProvider;
     /**
      * @var ExtensionAttributeDataProvider
      */
@@ -37,13 +42,16 @@ class ExtensionAutoloader implements Autoloader
      * ExtensionAutoloader constructor.
      *
      * @param Cache $cache
+     * @param ClassLoaderProvider $classLoaderProvider
      * @param ExtensionAttributeDataProvider $attributeDataProvider
      */
     public function __construct(
         Cache $cache,
+        ClassLoaderProvider $classLoaderProvider,
         ExtensionAttributeDataProvider $attributeDataProvider
     ) {
         $this->cache = $cache;
+        $this->classLoaderProvider = $classLoaderProvider;
         $this->attributeDataProvider = $attributeDataProvider;
     }
 
@@ -53,17 +61,18 @@ public function autoload(string $class): void
             return;
         }
 
-        $cachedFilename = $this->cache->load($class, '');
-        if ($cachedFilename === null) {
-            try {
+        // fix for PHPStan 1.7.5 and later: Classes generated by autoloaders are supposed to "win" against
+        // local classes in your project. We need to check first if classes exists locally before generating them!
+        $pathToLocalClass = $this->classLoaderProvider->findFile($class);
+        if ($pathToLocalClass === false) {
+            $pathToLocalClass = $this->cache->load($class, '');
+            if ($pathToLocalClass === null) {
                 $this->cache->save($class, '', $this->getFileContents($class));
-                $cachedFilename = $this->cache->load($class, '');
-            } catch (\Exception $e) {
-                return;
+                $pathToLocalClass = $this->cache->load($class, '');
             }
         }
 
-        require_once($cachedFilename);
+        require_once($pathToLocalClass);
     }
 
     /**

diff --git a/src/bitExpert/PHPStan/Magento/Autoload/ExtensionInterfaceAutoloader.php b/src/bitExpert/PHPStan/Magento/Autoload/ExtensionInterfaceAutoloader.php
@@ -28,14 +28,14 @@ class ExtensionInterfaceAutoloader implements Autoloader
      * @var Cache
      */
     private $cache;
-    /**
-     * @var ExtensionAttributeDataProvider
-     */
-    private $attributeDataProvider;
     /**
      * @var ClassLoaderProvider
      */
     private $classLoaderProvider;
+    /**
+     * @var ExtensionAttributeDataProvider
+     */
+    private $attributeDataProvider;
 
     /**
      * ExtensionInterfaceAutoloader constructor.
@@ -46,12 +46,12 @@ class ExtensionInterfaceAutoloader implements Autoloader
      */
     public function __construct(
         Cache $cache,
-        ExtensionAttributeDataProvider $attributeDataProvider,
-        ClassLoaderProvider $classLoaderProvider
+        ClassLoaderProvider $classLoaderProvider,
+        ExtensionAttributeDataProvider $attributeDataProvider
     ) {
         $this->cache = $cache;
-        $this->attributeDataProvider = $attributeDataProvider;
         $this->classLoaderProvider = $classLoaderProvider;
+        $this->attributeDataProvider = $attributeDataProvider;
     }
 
     public function autoload(string $interfaceName): void

diff --git a/tests/bitExpert/PHPStan/Magento/Autoload/ExtensionAutoloaderUnitTest.php b/tests/bitExpert/PHPStan/Magento/Autoload/ExtensionAutoloaderUnitTest.php
@@ -3,6 +3,7 @@
 namespace bitExpert\PHPStan\Magento\Autoload;
 
 use bitExpert\PHPStan\Magento\Autoload\Cache\FileCacheStorage;
+use bitExpert\PHPStan\Magento\Autoload\DataProvider\ClassLoaderProvider;
 use bitExpert\PHPStan\Magento\Autoload\DataProvider\ExtensionAttributeDataProvider;
 use org\bovigo\vfs\vfsStream;
 use PHPStan\Cache\Cache;
@@ -14,6 +15,10 @@ class ExtensionAutoloaderUnitTest extends TestCase
      * @var Cache|\PHPUnit\Framework\MockObject\MockObject
      */
     private $cache;
+    /**
+     * @var ClassLoaderProvider|\PHPUnit\Framework\MockObject\MockObject
+     */
+    private $classLoader;
     /**
      * @var ExtensionAttributeDataProvider|\PHPUnit\Framework\MockObject\MockObject
      */
@@ -26,9 +31,11 @@ class ExtensionAutoloaderUnitTest extends TestCase
     protected function setUp(): void
     {
         $this->cache = $this->createMock(Cache::class);
+        $this->classLoader = $this->createMock(ClassLoaderProvider::class);
         $this->extAttrDataProvider = $this->createMock(ExtensionAttributeDataProvider::class);
         $this->autoloader = new ExtensionAutoloader(
             $this->cache,
+            $this->classLoader,
             $this->extAttrDataProvider
         );
     }
@@ -38,17 +45,38 @@ protected function setUp(): void
      */
     public function autoloaderIgnoresClassesWithoutExtensionInterfacePostfix(): void
     {
+        $this->classLoader->expects(self::never())
+            ->method('findFile');
         $this->cache->expects(self::never())
             ->method('load');
 
         $this->autoloader->autoload('SomeClass');
     }
 
+    /**
+     * @test
+     */
+    public function autoloaderPrefersLocalFile(): void
+    {
+        $this->classLoader->expects(self::once())
+            ->method('findFile')
+            ->willReturn(__DIR__ . '/HelperExtension.php');
+        $this->cache->expects(self::never())
+            ->method('load');
+
+        $this->autoloader->autoload(HelperExtension::class);
+
+        self::assertTrue(class_exists(HelperExtension::class, false));
+    }
+
     /**
      * @test
      */
     public function autoloaderUsesCachedFileWhenFound(): void
     {
+        $this->classLoader->expects(self::once())
+            ->method('findFile')
+            ->willReturn(false);
         $this->cache->expects(self::once())
             ->method('load')
             ->willReturn(__DIR__ . '/HelperExtension.php');
@@ -66,18 +94,21 @@ public function autoloaderUsesCachedFileWhenFound(): void
      */
     public function autoloadGeneratesInterfaceWhenNotCached(): void
     {
+        $this->classLoader->expects(self::once())
+            ->method('findFile')
+            ->willReturn(false);
+        $this->extAttrDataProvider->expects(self::once())
+            ->method('getAttributesForInterface')
+            ->willReturn(['attr' => 'string']);
+
         $className = 'MyUncachedExtension';
         // since the generated class implements an interface, we need to make it available here, otherwise
         // the autoloader will fail with an exception that the interface can't be found!
         class_alias(HelperExtensionInterface::class, 'MyUncachedExtensionInterface');
 
         $root = vfsStream::setup('test');
         $cache = new Cache(new FileCacheStorage($root->url() . '/tmp/cache/PHPStan'));
-        $autoloader = new ExtensionAutoloader($cache, $this->extAttrDataProvider);
-
-        $this->extAttrDataProvider->expects(self::once())
-            ->method('getAttributesForInterface')
-            ->willReturn(['attr' => 'string']);
+        $autoloader = new ExtensionAutoloader($cache, $this->classLoader, $this->extAttrDataProvider);
 
         $autoloader->autoload($className);
         static::assertTrue(class_exists($className));

diff --git a/tests/bitExpert/PHPStan/Magento/Autoload/ExtensionInterfaceAutoloaderUnitTest.php b/tests/bitExpert/PHPStan/Magento/Autoload/ExtensionInterfaceAutoloaderUnitTest.php
@@ -23,7 +23,7 @@ class ExtensionInterfaceAutoloaderUnitTest extends TestCase
     /**
      * @var ClassLoaderProvider|\PHPUnit\Framework\MockObject\MockObject
      */
-    private $classyDataProvider;
+    private $classLoader;
     /**
      * @var ExtensionInterfaceAutoloader
      */
@@ -32,12 +32,12 @@ class ExtensionInterfaceAutoloaderUnitTest extends TestCase
     protected function setUp(): void
     {
         $this->cache = $this->createMock(Cache::class);
+        $this->classLoader = $this->createMock(ClassLoaderProvider::class);
         $this->extAttrDataProvider = $this->createMock(ExtensionAttributeDataProvider::class);
-        $this->classyDataProvider = $this->createMock(ClassLoaderProvider::class);
         $this->autoloader = new ExtensionInterfaceAutoloader(
             $this->cache,
-            $this->extAttrDataProvider,
-            $this->classyDataProvider
+            $this->classLoader,
+            $this->extAttrDataProvider
         );
     }
 
@@ -46,7 +46,7 @@ protected function setUp(): void
      */
     public function autoloaderIgnoresClassesWithoutExtensionInterfacePostfix(): void
     {
-        $this->classyDataProvider->expects(self::never())
+        $this->classLoader->expects(self::never())
             ->method('findFile');
         $this->cache->expects(self::never())
             ->method('load');
@@ -59,7 +59,7 @@ public function autoloaderIgnoresClassesWithoutExtensionInterfacePostfix(): void
      */
     public function autoloaderPrefersLocalFile(): void
     {
-        $this->classyDataProvider->expects(self::once())
+        $this->classLoader->expects(self::once())
             ->method('findFile')
             ->willReturn(__DIR__ . '/HelperExtensionInterface.php');
         $this->cache->expects(self::never())
@@ -75,7 +75,7 @@ public function autoloaderPrefersLocalFile(): void
      */
     public function autoloaderUsesCachedFileWhenFound(): void
     {
-        $this->classyDataProvider->expects(self::once())
+        $this->classLoader->expects(self::once())
             ->method('findFile')
             ->willReturn(false);
         $this->cache->expects(self::once())
@@ -100,14 +100,14 @@ public function autoloadDoesNotGenerateInterfaceWhenNoAttributesExist(): void
 
         $interfaceName = 'NonExistentExtensionInterface';
 
-        $this->classyDataProvider->expects(self::once())
+        $this->classLoader->expects(self::once())
             ->method('findFile')
             ->willReturn(false);
         $this->cache->expects(self::once())
             ->method('load')
             ->willReturn(null);
 
-        $this->classyDataProvider->expects(self::once())
+        $this->classLoader->expects(self::once())
             ->method('exists')
             ->willReturn(false);
 
@@ -123,13 +123,13 @@ public function autoloadGeneratesInterfaceWhenNotCached(): void
 
         $root = vfsStream::setup('test');
         $cache = new Cache(new FileCacheStorage($root->url() . '/tmp/cache/PHPStan'));
-        $autoloader = new ExtensionInterfaceAutoloader($cache, $this->extAttrDataProvider, $this->classyDataProvider);
+        $autoloader = new ExtensionInterfaceAutoloader($cache, $this->classLoader, $this->extAttrDataProvider);
 
-        $this->classyDataProvider->expects(self::once())
+        $this->classLoader->expects(self::once())
             ->method('findFile')
             ->willReturn(false);
 
-        $this->classyDataProvider->expects(self::once())
+        $this->classLoader->expects(self::once())
             ->method('exists')
             ->willReturn(true);
 

diff --git a/tests/bitExpert/PHPStan/Magento/Autoload/RegistrationUnitTest.php b/tests/bitExpert/PHPStan/Magento/Autoload/RegistrationUnitTest.php
@@ -52,10 +52,15 @@ public function provideAutoloaders(): array
             [new MockAutoloader()],
             [new ProxyAutoloader($cache, $classLoader)],
             [new TestFrameworkAutoloader(__DIR__)],
+            [new ExtensionAutoloader(
+                $cache,
+                new ClassLoaderProvider(__DIR__),
+                new ExtensionAttributeDataProvider(__DIR__)
+            )],
             [new ExtensionInterfaceAutoloader(
                 $cache,
-                new ExtensionAttributeDataProvider(__DIR__),
-                new ClassLoaderProvider(__DIR__)
+                new ClassLoaderProvider(__DIR__),
+                new ExtensionAttributeDataProvider(__DIR__)
             )]
         ];
     }