Ensure rackup starts server listening on all hosts for reusable port …

…test

tests/basic_tests.rb

@@ -94,7 +94,7 @@ def timed_streaming_test(endpoint, timeout)
       connection = Excon.new(uri, :user => user, :password => pass )
       response = connection.request(:method => :get, :path => '/content-length/100')
       response.status
-    end  
+    end
   end
 end
 
@@ -285,7 +285,7 @@ def self.find_alternate_ip(ip)
     end
   end
 
-  with_rackup('basic.ru') do
+  with_rackup('basic.ru', '0.0.0.0') do
     connection = Excon.new("http://127.0.0.1:9292/echo",
                            :reuseaddr => true, # enable address and port reuse
                            :persistent => true # keep the socket open

tests/test_helper.rb

@@ -231,12 +231,12 @@ def rackup_path(*parts)
   File.expand_path(File.join(File.dirname(__FILE__), 'rackups', *parts))
 end
 
-def with_rackup(name)
+def with_rackup(name, host="127.0.0.1")
   unless RUBY_PLATFORM == 'java'
     GC.disable if RUBY_VERSION < '1.9'
-    pid, w, r, e = Open4.popen4("rackup", rackup_path(name))
+    pid, w, r, e = Open4.popen4("rackup", "--host", host, rackup_path(name))
   else
-    pid, w, r, e = IO.popen4("rackup", rackup_path(name))
+    pid, w, r, e = IO.popen4("rackup", "--host", host, rackup_path(name))
   end
   until e.gets =~ /HTTPServer#start:/; end
   yield