Merge branch '3.3' into 3.4

* 3.3:
  [DI] Dont resolve envs in service ids
  Add tests proving it can load annotated files
  [WebProfilerBundle] Reset letter-spacing in toolbar
  Prefer overflow-wrap to word-break
  [Routing] Fix "config-file-relative" annotation loader resources
  Make search in debug:container command case-insensitive
  `resolveEnvPlaceholders` will return a mixed value

Author: nicolas-grekas

Loader/AnnotationDirectoryLoader.php

@@ -34,7 +34,9 @@ class AnnotationDirectoryLoader extends AnnotationFileLoader
      */
     public function load($path, $type = null)
     {
-        $dir = $this->locator->locate($path);
+        if (!is_dir($dir = $this->locator->locate($path))) {
+            return parent::supports($path, $type) ? parent::load($path, $type) : new RouteCollection();
+        }
 
         $collection = new RouteCollection();
         $collection->addResource(new DirectoryResource($dir, '/\.php$/'));
@@ -74,16 +76,18 @@ function (\SplFileInfo $current) {
      */
     public function supports($resource, $type = null)
     {
-        if (!is_string($resource)) {
+        if ('annotation' === $type) {
+            return true;
+        }
+
+        if ($type || !is_string($resource)) {
             return false;
         }
 
         try {
-            $path = $this->locator->locate($resource);
+            return is_dir($this->locator->locate($resource));
         } catch (\Exception $e) {
             return false;
         }
-
-        return is_dir($path) && (!$type || 'annotation' === $type);
     }
 }

Tests/Loader/AnnotationDirectoryLoaderTest.php

@@ -69,6 +69,24 @@ public function testSupports()
         $this->assertFalse($this->loader->supports($fixturesDir, 'foo'), '->supports() checks the resource type if specified');
     }
 
+    public function testItSupportsAnyAnnotation()
+    {
+        $this->assertTrue($this->loader->supports(__DIR__.'/../Fixtures/even-with-not-existing-folder', 'annotation'));
+    }
+
+    public function testLoadFileIfLocatedResourceIsFile()
+    {
+        $this->reader->expects($this->exactly(1))->method('getClassAnnotation');
+
+        $this->reader
+            ->expects($this->any())
+            ->method('getMethodAnnotations')
+            ->will($this->returnValue(array()))
+        ;
+
+        $this->loader->load(__DIR__.'/../Fixtures/AnnotatedClasses/FooClass.php');
+    }
+
     private function expectAnnotationsToBeReadFrom(array $classes)
     {
         $this->reader->expects($this->exactly(count($classes)))