From ca0fedd9e36fb4265dee06010dd08bfa65cf76cb Mon Sep 17 00:00:00 2001
From: Nicolas Grekas <nicolas.grekas@gmail.com>
Date: Fri, 13 Oct 2017 15:21:24 +0200
Subject: [PATCH] [BrowserKit] Handle deprecations triggered in insulated
 requests

---
 src/Symfony/Component/BrowserKit/Client.php | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/Symfony/Component/BrowserKit/Client.php b/src/Symfony/Component/BrowserKit/Client.php
index 2f2b08d818..fb7a254e2c 100644
--- a/src/Symfony/Component/BrowserKit/Client.php
+++ b/src/Symfony/Component/BrowserKit/Client.php
@@ -343,9 +343,23 @@ abstract class Client
      */
     protected function doRequestInProcess($request)
     {
+        $deprecationsFile = tempnam(sys_get_temp_dir(), 'deprec');
+        putenv('SYMFONY_DEPRECATIONS_SERIALIZE='.$deprecationsFile);
         $process = new PhpProcess($this->getScript($request), null, null);
         $process->run();
 
+        if (file_exists($deprecationsFile)) {
+            $deprecations = file_get_contents($deprecationsFile);
+            unlink($deprecationsFile);
+            foreach ($deprecations ? unserialize($deprecations) : array() as $deprecation) {
+                if ($deprecation[0]) {
+                    trigger_error($deprecation[1], E_USER_DEPRECATED);
+                } else {
+                    @trigger_error($deprecation[1], E_USER_DEPRECATED);
+                }
+            }
+        }
+
         if (!$process->isSuccessful() || !preg_match('/^O\:\d+\:/', $process->getOutput())) {
             throw new \RuntimeException(sprintf('OUTPUT: %s ERROR OUTPUT: %s', $process->getOutput(), $process->getErrorOutput()));
         }