From 41eb672ba442bfd10dd691b3300c73db7bdb8232 Mon Sep 17 00:00:00 2001
From: David Monllao <davidm@moodle.com>
Date: Wed, 15 May 2013 16:15:47 +0800
Subject: [PATCH] MDL-39686 behat: Add option to restart the browser

---
 lib/tests/behat/behat_hooks.php | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/lib/tests/behat/behat_hooks.php b/lib/tests/behat/behat_hooks.php
index 5cc8112cb65..41d6b77fe10 100644
--- a/lib/tests/behat/behat_hooks.php
+++ b/lib/tests/behat/behat_hooks.php
@@ -54,6 +54,11 @@ use Behat\Behat\Event\SuiteEvent as SuiteEvent,
  */
 class behat_hooks extends behat_base {
 
+    /**
+     * @var Last browser session start time.
+     */
+    protected static $lastbrowsersessionstart = 0;
+
     /**
      * Gives access to moodle codebase, ensures all is ready and sets up the test lock.
      *
@@ -102,6 +107,12 @@ class behat_hooks extends behat_base {
         }
         // Avoid parallel tests execution, it continues when the previous lock is released.
         test_lock::acquire('behat');
+
+        // Store the browser reset time if reset after N seconds is specified in config.php.
+        if (!empty($CFG->behat_restart_browser_after)) {
+            // Store the initial browser session opening.
+            self::$lastbrowsersessionstart = time();
+        }
     }
 
     /**
@@ -138,6 +149,15 @@ class behat_hooks extends behat_base {
         $user = $DB->get_record('user', array('username' => 'admin'));
         session_set_user($user);
 
+        // Reset the browser if specified in config.php.
+        if (!empty($CFG->behat_restart_browser_after) && $this->running_javascript()) {
+            $now = time();
+            if (self::$lastbrowsersessionstart + $CFG->behat_restart_browser_after < $now) {
+                $this->getSession()->restart();
+                self::$lastbrowsersessionstart = $now;
+            }
+        }
+
         // Start always in the the homepage.
         $this->getSession()->visit($this->locate_path('/'));