From 9749001b547a40fe52bce8bf72d5dc42c6ad8f0a Mon Sep 17 00:00:00 2001
From: Sam <sam.saffron@gmail.com>
Date: Tue, 30 Jul 2013 14:15:20 +1000
Subject: [PATCH] a much more robust qunit daemonizer

---
 lib/tasks/qunit.rake | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/lib/tasks/qunit.rake b/lib/tasks/qunit.rake
index ac4abe56079..31cbe2a2df8 100644
--- a/lib/tasks/qunit.rake
+++ b/lib/tasks/qunit.rake
@@ -3,12 +3,27 @@ desc "Runs the qunit test suite"
 task "qunit:test" => :environment do
 
   require "rack"
+  require "socket"
 
   unless %x{which phantomjs > /dev/null 2>&1}
     abort "PhantomJS is not installed. Download from http://phantomjs.org"
   end
 
+  # ensure we have this port available
+  def port_available? port
+    server = TCPServer.open port
+    server.close
+    true
+  rescue Errno::EADDRINUSE
+    false
+  end
+
   port = ENV['TEST_SERVER_PORT'] || 60099
+
+  while !port_available? port
+    port += 1
+  end
+
   unless pid = fork
     Rack::Server.start(:config => "config.ru",
                        :AccessLog => [],
@@ -42,7 +57,8 @@ task "qunit:test" => :environment do
     success &&= $?.success?
 
   ensure
-    Process.kill "HUP", pid
+    # was having issues with HUP
+    Process.kill "KILL", pid
   end
 
   if success