Fix filemtime() warning because of eval'd code (#494)

* Check is_file before filemtime

* Fix PHPStan class not found error

* Fix PHPStan error "class not found"

* Add check for filename is false

* Change class name in two eval'ed snippets

* Use an array cache instead of a mock

---------

Co-authored-by: Alexander M. Turek <me@derrabus.de>

Author: andrey-tech

lib/Doctrine/Common/Annotations/CachedReader.php

@@ -11,6 +11,7 @@
 use function array_merge;
 use function assert;
 use function filemtime;
+use function is_file;
 use function max;
 use function time;
 
@@ -229,7 +230,7 @@ private function getLastModification(ReflectionClass $class): int
         $parent = $class->getParentClass();
 
         $lastModification =  max(array_merge(
-            [$filename ? filemtime($filename) : 0],
+            [$filename !== false && is_file($filename) ? filemtime($filename) : 0],
             array_map(function (ReflectionClass $reflectionTrait): int {
                 return $this->getTraitLastModificationTime($reflectionTrait);
             }, $class->getTraits()),
@@ -253,7 +254,7 @@ private function getTraitLastModificationTime(ReflectionClass $reflectionTrait):
         }
 
         $lastModificationTime = max(array_merge(
-            [$fileName ? filemtime($fileName) : 0],
+            [$fileName !== false && is_file($fileName) ? filemtime($fileName) : 0],
             array_map(function (ReflectionClass $reflectionTrait): int {
                 return $this->getTraitLastModificationTime($reflectionTrait);
             }, $reflectionTrait->getTraits())

lib/Doctrine/Common/Annotations/PsrCachedReader.php

@@ -12,6 +12,7 @@
 use function array_merge;
 use function assert;
 use function filemtime;
+use function is_file;
 use function max;
 use function rawurlencode;
 use function time;
@@ -195,7 +196,7 @@ private function getLastModification(ReflectionClass $class): int
         $parent = $class->getParentClass();
 
         $lastModification =  max(array_merge(
-            [$filename ? filemtime($filename) : 0],
+            [$filename !== false && is_file($filename) ? filemtime($filename) : 0],
             array_map(function (ReflectionClass $reflectionTrait): int {
                 return $this->getTraitLastModificationTime($reflectionTrait);
             }, $class->getTraits()),
@@ -219,7 +220,7 @@ private function getTraitLastModificationTime(ReflectionClass $reflectionTrait):
         }
 
         $lastModificationTime = max(array_merge(
-            [$fileName ? filemtime($fileName) : 0],
+            [$fileName !== false && is_file($fileName) ? filemtime($fileName) : 0],
             array_map(function (ReflectionClass $reflectionTrait): int {
                 return $this->getTraitLastModificationTime($reflectionTrait);
             }, $reflectionTrait->getTraits())

tests/Doctrine/Tests/Common/Annotations/CachedReaderTest.php

@@ -7,11 +7,13 @@
 use Doctrine\Common\Annotations\Reader;
 use Doctrine\Common\Cache\ArrayCache;
 use Doctrine\Common\Cache\Cache;
+use Doctrine\Common\Cache\Psr6\DoctrineProvider;
 use Doctrine\Tests\Common\Annotations\Fixtures\Annotation\Route;
 use Doctrine\Tests\Common\Annotations\Fixtures\ClassThatUsesTraitThatUsesAnotherTraitWithMethods;
 use PHPUnit\Framework\MockObject\MockObject;
 use ReflectionClass;
 use ReflectionMethod;
+use Symfony\Component\Cache\Adapter\ArrayAdapter;
 
 use function assert;
 use function class_exists;
@@ -225,6 +227,38 @@ public function testAvoidCallingFilemtimeTooMuch(): void
         $this->assertEquals([$route2], $reader->getMethodAnnotations(new ReflectionMethod($className, 'method2')));
     }
 
+    /**
+     * @group 62
+     */
+    public function testReaderDoesNotCacheIfFileDoesNotExistSoLastModificationCannotBeDetermined(): void
+    {
+        $code = <<<'EOS'
+namespace Doctrine\Tests\Common\Annotations;
+
+/**
+ * @\Doctrine\Tests\Common\Annotations\Fixtures\AnnotationTargetClass("Some data")
+ */
+class CachedEvalClass {
+
+}
+EOS;
+
+        eval($code);
+
+        if (class_exists(ArrayCache::class)) {
+            $cache = new ArrayCache();
+        } else {
+            $cache = DoctrineProvider::wrap(new ArrayAdapter());
+        }
+
+        $reader = new CachedReader(new AnnotationReader(), $cache, true);
+        // @phpstan-ignore class.notFound
+        $readAnnotations = $reader->getClassAnnotations(new ReflectionClass(CachedEvalClass::class));
+
+        self::assertIsArray($readAnnotations);
+        self::assertCount(1, $readAnnotations);
+    }
+
     protected function doTestCacheStale(string $className, int $lastCacheModification): CachedReader
     {
         $cacheKey = $className;

tests/Doctrine/Tests/Common/Annotations/PsrCachedReaderTest.php

@@ -220,6 +220,28 @@ public function testReaderIsNotHitIfCacheIsFresh(): void
         );
     }
 
+    public function testReaderDoesNotCacheIfFileDoesNotExistSoLastModificationCannotBeDetermined(): void
+    {
+        $code = <<<'EOS'
+namespace Doctrine\Tests\Common\Annotations;
+
+/**
+ * @\Doctrine\Tests\Common\Annotations\Fixtures\AnnotationTargetClass("Some data")
+ */
+class PsrCachedEvalClass {
+
+}
+EOS;
+
+        eval($code);
+
+        $reader = new PsrCachedReader(new AnnotationReader(), new ArrayAdapter(), true);
+        // @phpstan-ignore class.notFound
+        $readAnnotations = $reader->getClassAnnotations(new ReflectionClass(PsrCachedEvalClass::class));
+
+        self::assertCount(1, $readAnnotations);
+    }
+
     protected function doTestCacheStale(string $className, int $lastCacheModification): PsrCachedReader
     {
         $cacheKey = rawurlencode($className);