added OmniAuth::Test package with PhonySession for test support

oa-core/lib/omniauth/core.rb

@@ -6,6 +6,7 @@ module OmniAuth
   
   autoload :Builder,  'omniauth/builder'
   autoload :Strategy, 'omniauth/strategy'
+  autoload :Test,     'omniauth/test'
   
   module Strategies
     autoload :Password, 'omniauth/strategies/password'

oa-core/lib/omniauth/test.rb

@@ -0,0 +1,10 @@
+module OmniAuth
+  
+  # Support for testing OmniAuth strategies.
+  module Test
+    
+    autoload :PhonySession, 'omniauth/test/phony_session'
+    
+  end
+  
+end

oa-core/lib/omniauth/test/phony_session.rb

@@ -0,0 +1,8 @@
+class OmniAuth::Test::PhonySession
+  def initialize(app); @app = app end
+  def call(env)
+    @session ||= (env['rack.session'] || {})
+    env['rack.session'] = @session
+    @app.call(env)
+  end
+end