- add old_relation_controller and stuff so that relation history works. fixes #557.

- minor testing fixes.

test/functional/old_relation_controller_test.rb

@@ -0,0 +1,31 @@
+require File.dirname(__FILE__) + '/../test_helper'
+require 'old_relation_controller'
+
+# Re-raise errors caught by the controller.
+#class OldRelationController; def rescue_action(e) raise e end; end
+
+class OldRelationControllerTest < Test::Unit::TestCase
+  api_fixtures
+
+  def setup
+    @controller = OldRelationController.new
+    @request    = ActionController::TestRequest.new
+    @response   = ActionController::TestResponse.new
+  end
+
+  # -------------------------------------
+  # Test reading old relations.
+  # -------------------------------------
+
+  def test_history
+    # check that a visible relations is returned properly
+    get :history, :id => relations(:visible_relation).id
+    assert_response :success
+
+    # check chat a non-existent relations is not returned
+    get :history, :id => 0
+    assert_response :not_found
+
+  end
+
+end