One way of speccing parameter filtering.
Controller:
filter_parameter_logging :password
Spec:
it "should filter password" do
before_filter, after_filter = {}, {}
before_filter['user'] = { 'username'=>'foo', 'password'=>'bar' }
after_filter['user'] = { 'username'=>'foo', 'password'=>'[FILTERED]' }
controller.filter_parameters(before_filter).should == after_filter
end
