oauth cleanup: test fakes and generic provider

test/test_helpers/test_auth_helper.rb

@@ -0,0 +1,34 @@
+module TestAuthHelper
+  ## Monkey patch AuthController, because...auth.
+  AuthController.class_eval do
+    alias_method :org_callback, :callback
+
+    def callback
+      session[:token] = "fake-auth-token-thing"
+      session[:name] = "Fake Name"
+
+      redirect_to accounts_path
+    end
+
+    alias_method :auth, :callback
+  end
+
+  def auth_user
+    get '/auth/callback'
+  end
+
+  def last_line_in_callback
+    path, line_no = AuthController.instance_method(:org_callback).source_location
+
+    file = File.open(path)
+    line_no.times { file.readline }
+    tmp_line = nil
+    until tmp_line == 'end'
+      last_line = tmp_line
+      tmp_line = file.readline.strip
+    end
+    file.close
+
+    last_line
+  end
+end