fixed Twig deprecations

src/Symfony/Bridge/Twig/Node/DumpNode.php

@@ -18,7 +18,7 @@ class DumpNode extends \Twig_Node
 {
     private $varPrefix;
 
-    public function __construct($varPrefix, \Twig_NodeInterface $values = null, $lineno, $tag = null)
+    public function __construct($varPrefix, \Twig_Node $values = null, $lineno, $tag = null)
     {
         parent::__construct(array('values' => $values), array(), $lineno, $tag);
         $this->varPrefix = $varPrefix;

src/Symfony/Bridge/Twig/Node/StopwatchNode.php

@@ -18,7 +18,7 @@ namespace Symfony\Bridge\Twig\Node;
  */
 class StopwatchNode extends \Twig_Node
 {
-    public function __construct(\Twig_NodeInterface $name, $body, \Twig_Node_Expression_AssignName $var, $lineno = 0, $tag = null)
+    public function __construct(\Twig_Node $name, $body, \Twig_Node_Expression_AssignName $var, $lineno = 0, $tag = null)
     {
         parent::__construct(array('body' => $body, 'name' => $name, 'var' => $var), array(), $lineno, $tag);
     }

src/Symfony/Bridge/Twig/Tests/Extension/DumpExtensionTest.php

@@ -23,7 +23,7 @@ class DumpExtensionTest extends \PHPUnit_Framework_TestCase
     public function testDumpTag($template, $debug, $expectedOutput, $expectedDumped)
     {
         $extension = new DumpExtension(new VarCloner());
-        $twig = new \Twig_Environment(new \Twig_Loader_String(), array(
+        $twig = new \Twig_Environment(new \Twig_Loader_Array(array('template' => $template)), array(
             'debug' => $debug,
             'cache' => false,
             'optimizations' => 0,
@@ -35,7 +35,7 @@ class DumpExtensionTest extends \PHPUnit_Framework_TestCase
         $prevDumper = VarDumper::setHandler(function ($var) use (&$dumped) {$dumped = $var;});
 
         try {
-            $this->assertEquals($expectedOutput, $twig->render($template));
+            $this->assertEquals($expectedOutput, $twig->render('template'));
         } catch (\Exception $exception) {
         }
 
@@ -63,7 +63,7 @@ class DumpExtensionTest extends \PHPUnit_Framework_TestCase
     public function testDump($context, $args, $expectedOutput, $debug = true)
     {
         $extension = new DumpExtension(new VarCloner());
-        $twig = new \Twig_Environment(new \Twig_Loader_String(), array(
+        $twig = new \Twig_Environment($this->getMock('Twig_LoaderInterface'), array(
             'debug' => $debug,
             'cache' => false,
             'optimizations' => 0,

src/Symfony/Bridge/Twig/Tests/Extension/ExpressionExtensionTest.php

@@ -21,10 +21,10 @@ class ExpressionExtensionTest extends \PHPUnit_Framework_TestCase
     public function testExpressionCreation()
     {
         $template = "{{ expression('1 == 1') }}";
-        $twig = new \Twig_Environment(new \Twig_Loader_String(), array('debug' => true, 'cache' => false, 'autoescape' => true, 'optimizations' => 0));
+        $twig = new \Twig_Environment(new \Twig_Loader_Array(array('template' => $template)), array('debug' => true, 'cache' => false, 'autoescape' => 'html', 'optimizations' => 0));
         $twig->addExtension(new ExpressionExtension());
 
-        $output = $twig->render($template);
+        $output = $twig->render('template');
         $this->assertEquals('1 == 1', $output);
     }
 }

src/Symfony/Bridge/Twig/Tests/Extension/Fixtures/StubFilesystemLoader.php

@@ -13,7 +13,7 @@ namespace Symfony\Bridge\Twig\Tests\Extension\Fixtures;
 
 class StubFilesystemLoader extends \Twig_Loader_Filesystem
 {
-    protected function findTemplate($name)
+    protected function findTemplate($name, $throw = true)
     {
         // strip away bundle name
         $parts = explode(':', $name);

src/Symfony/Bridge/Twig/Tests/Extension/StopwatchExtensionTest.php

@@ -28,11 +28,11 @@ class StopwatchExtensionTest extends \PHPUnit_Framework_TestCase
      */
     public function testTiming($template, $events)
     {
-        $twig = new \Twig_Environment(new \Twig_Loader_String(), array('debug' => true, 'cache' => false, 'autoescape' => true, 'optimizations' => 0));
+        $twig = new \Twig_Environment(new \Twig_Loader_Array(array('template' => $template)), array('debug' => true, 'cache' => false, 'autoescape' => 'html', 'optimizations' => 0));
         $twig->addExtension(new StopwatchExtension($this->getStopwatch($events)));
 
         try {
-            $nodes = $twig->render($template);
+            $nodes = $twig->render('template');
         } catch (\Twig_Error_Runtime $e) {
             throw $e->getPrevious();
         }

src/Symfony/Bridge/Twig/Tests/Node/DumpNodeTest.php

@@ -19,7 +19,7 @@ class DumpNodeTest extends \PHPUnit_Framework_TestCase
     {
         $node = new DumpNode('bar', null, 7);
 
-        $env = new \Twig_Environment();
+        $env = new \Twig_Environment($this->getMock('Twig_LoaderInterface'));
         $compiler = new \Twig_Compiler($env);
 
         $expected = <<<'EOTXT'
@@ -43,7 +43,7 @@ EOTXT;
     {
         $node = new DumpNode('bar', null, 7);
 
-        $env = new \Twig_Environment();
+        $env = new \Twig_Environment($this->getMock('Twig_LoaderInterface'));
         $compiler = new \Twig_Compiler($env);
 
         $expected = <<<'EOTXT'
@@ -70,7 +70,7 @@ EOTXT;
         ));
         $node = new DumpNode('bar', $vars, 7);
 
-        $env = new \Twig_Environment();
+        $env = new \Twig_Environment($this->getMock('Twig_LoaderInterface'));
         $compiler = new \Twig_Compiler($env);
 
         $expected = <<<'EOTXT'
@@ -93,7 +93,7 @@ EOTXT;
         ));
         $node = new DumpNode('bar', $vars, 7);
 
-        $env = new \Twig_Environment();
+        $env = new \Twig_Environment($this->getMock('Twig_LoaderInterface'));
         $compiler = new \Twig_Compiler($env);
 
         $expected = <<<'EOTXT'

src/Symfony/Bundle/TwigBundle/Controller/ExceptionController.php

@@ -63,7 +63,7 @@ class ExceptionController
         $code = $exception->getStatusCode();
 
         return new Response($this->twig->render(
-            $this->findTemplate($request, $request->getRequestFormat(), $code, $showException),
+            (string) $this->findTemplate($request, $request->getRequestFormat(), $code, $showException),
             array(
                 'status_code' => $code,
                 'status_text' => isset(Response::$statusTexts[$code]) ? Response::$statusTexts[$code] : '',
@@ -125,9 +125,11 @@ class ExceptionController
         return new TemplateReference('TwigBundle', 'Exception', $showException ? 'exception_full' : $name, 'html', 'twig');
     }
 
-    // to be removed when the minimum required version of Twig is >= 2.0
+    // to be removed when the minimum required version of Twig is >= 3.0
     protected function templateExists($template)
     {
+        $template = (string) $template;
+
         $loader = $this->twig->getLoader();
         if ($loader instanceof \Twig_ExistsLoaderInterface) {
             return $loader->exists($template);

src/Symfony/Bundle/TwigBundle/Loader/FilesystemLoader.php

@@ -63,7 +63,7 @@ class FilesystemLoader extends \Twig_Loader_Filesystem
      *
      * @throws \Twig_Error_Loader if the template could not be found
      */
-    protected function findTemplate($template)
+    protected function findTemplate($template, $throw = true)
     {
         $logicalName = (string) $template;
 

src/Symfony/Bundle/TwigBundle/TokenParser/RenderTokenParser.php

@@ -27,7 +27,7 @@ class RenderTokenParser extends \Twig_TokenParser
      *
      * @param \Twig_Token $token A \Twig_Token instance
      *
-     * @return \Twig_NodeInterface A \Twig_NodeInterface instance
+     * @return \Twig_Node A \Twig_Node instance
      */
     public function parse(\Twig_Token $token)
     {

src/Symfony/Bundle/WebProfilerBundle/Tests/Controller/ProfilerControllerTest.php

@@ -77,7 +77,7 @@ class ProfilerControllerTest extends \PHPUnit_Framework_TestCase
     public function testSearchResult()
     {
         $urlGenerator = $this->getMock('Symfony\Component\Routing\Generator\UrlGeneratorInterface');
-        $twig = $this->getMock('Twig_Environment');
+        $twig = $this->getMockBuilder('Twig_Environment')->disableOriginalConstructor()->getMock();
         $profiler = $this
             ->getMockBuilder('Symfony\Component\HttpKernel\Profiler\Profiler')
             ->disableOriginalConstructor()