implement dynamic value for timeout_in as a model method instead of a proc

CHANGELOG.rdoc

@@ -2,7 +2,7 @@
 
 * enhancements
   * Add support for rails 3.1 new mass assignment conventions (by github.com/kirs)
-  * timeout_in option can be a Proc object (by github.com/lest)
+  * Add timeout_in method to Timeoutable, it can be overriden in a model (by github.com/lest)
 
 * bug fix
   * OmniAuth error message now shows the proper option (:strategy_class instead of :klass)

lib/devise/models/timeoutable.rb

@@ -24,12 +24,13 @@ module Devise
       def timedout?(last_access)
         return false if remember_exists_and_not_expired?
 
-        timeout_in = self.class.timeout_in
-        timeout_in = timeout_in.call(self) if timeout_in.respond_to?(:call)
-
         !timeout_in.nil? && last_access && last_access <= timeout_in.ago
       end
 
+      def timeout_in
+        self.class.timeout_in
+      end
+
       private
 
       def remember_exists_and_not_expired?

test/models/timeoutable_test.rb

@@ -14,24 +14,18 @@ class TimeoutableTest < ActiveSupport::TestCase
     assert_not new_user.timedout?(nil)
   end
 
-  test 'should accept timeout_in proc and provide user as argument' do
+  test 'should use timeout_in method' do
     user = new_user
+    user.instance_eval { def timeout_in; 10.minutes end }
 
-    timeout_in = proc do |obj|
-      assert_equal user, obj
-      10.minutes
-    end
-
-    swap Devise, :timeout_in => timeout_in do
-      assert user.timedout?(12.minutes.ago)
-      assert_not user.timedout?(8.minutes.ago)
-    end
+    assert user.timedout?(12.minutes.ago)
+    assert_not user.timedout?(8.minutes.ago)
   end
 
-  test 'should not be expired when timeout_in proc returns nil' do
-    swap Devise, :timeout_in => proc { nil } do
-      assert_not new_user.timedout?(10.hours.ago)
-    end
+  test 'should not be expired when timeout_in method returns nil' do
+    user = new_user
+    user.instance_eval { def timeout_in; nil end }
+    assert_not user.timedout?(10.hours.ago)
   end
 
   test 'fallback to Devise config option' do