From 1b0a54189c859af577954dc03ea2f41faf5dd834 Mon Sep 17 00:00:00 2001
From: Fabien Potencier <fabien.potencier@gmail.com>
Date: Sun, 4 Aug 2013 08:43:33 +0200
Subject: [PATCH] fixed the filesystem loader cache when a template name exists in several namespaces

---
 CHANGELOG                                 |    1 +
 lib/Twig/Loader/Filesystem.php            |    8 +++---
 test/Twig/Tests/Loader/FilesystemTest.php |   30 +++++++++++++++++++++++++++++
 3 files changed, 35 insertions(+), 4 deletions(-)

diff --git a/CHANGELOG b/CHANGELOG
index 8be8ca6..44a483f 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,5 +1,6 @@
 * 1.14.0 (2013-XX-XX)
 
+ * fixed the filesystem loader cache when a template name exists in several namespaces
  * added support for calling macros defined in a template without importing them first
  * added support for named arguments for macros
  * replaced a PHP fatal error with an exception when  a macro does not exist
diff --git a/lib/Twig/Loader/Filesystem.php b/lib/Twig/Loader/Filesystem.php
index d47781a..5ce13dd 100644
--- a/lib/Twig/Loader/Filesystem.php
+++ b/lib/Twig/Loader/Filesystem.php
@@ -179,14 +179,14 @@ class Twig_Loader_Filesystem implements Twig_LoaderInterface, Twig_ExistsLoaderI
         $this->validateName($name);
 
         $namespace = self::MAIN_NAMESPACE;
+        $shortname = $name;
         if (isset($name[0]) && '@' == $name[0]) {
             if (false === $pos = strpos($name, '/')) {
                 throw new Twig_Error_Loader(sprintf('Malformed namespaced template name "%s" (expecting "@namespace/template_name").', $name));
             }
 
             $namespace = substr($name, 1, $pos - 1);
-
-            $name = substr($name, $pos + 1);
+            $shortname = substr($name, $pos + 1);
         }
 
         if (!isset($this->paths[$namespace])) {
@@ -194,8 +194,8 @@ class Twig_Loader_Filesystem implements Twig_LoaderInterface, Twig_ExistsLoaderI
         }
 
         foreach ($this->paths[$namespace] as $path) {
-            if (is_file($path.'/'.$name)) {
-                return $this->cache[$name] = $path.'/'.$name;
+            if (is_file($path.'/'.$shortname)) {
+                return $this->cache[$name] = $path.'/'.$shortname;
             }
         }
 
diff --git a/test/Twig/Tests/Loader/FilesystemTest.php b/test/Twig/Tests/Loader/FilesystemTest.php
index 4c874b6..3ca580b 100644
--- a/test/Twig/Tests/Loader/FilesystemTest.php
+++ b/test/Twig/Tests/Loader/FilesystemTest.php
@@ -94,4 +94,34 @@ class Twig_Tests_Loader_FilesystemTest extends PHPUnit_Framework_TestCase
         $loader->addPath(sys_get_temp_dir(), 'named');
         $this->assertEquals(array(Twig_Loader_Filesystem::MAIN_NAMESPACE, 'named'), $loader->getNamespaces());
     }
+
+    public function testFindTemplateExceptionNamespace()
+    {
+        $basePath = dirname(__FILE__).'/Fixtures';
+
+        $loader = new Twig_Loader_Filesystem(array($basePath.'/normal'));
+        $loader->addPath($basePath.'/named', 'named');
+
+        try {
+            $loader->getSource('@named/nowhere.html');
+        } catch (Exception $e) {
+            $this->assertInstanceof('Twig_Error_Loader', $e);
+            $this->assertContains('Unable to find template "@named/nowhere.html"', $e->getMessage());
+        }
+    }
+
+    public function testFindTemplateWithCache()
+    {
+        $basePath = dirname(__FILE__).'/Fixtures';
+
+        $loader = new Twig_Loader_Filesystem(array($basePath.'/normal'));
+        $loader->addPath($basePath.'/named', 'named');
+
+        // prime the cache for index.html in the named namespace
+        $namedSource = $loader->getSource('@named/index.html');
+        $this->assertEquals("named path\n", $namedSource);
+
+        // get index.html from the main namespace
+        $this->assertEquals("path\n", $loader->getSource('index.html'));
+    }
 }
-- 
1.7.2.5