# Got different results from D&D Agile book on test of unit test **URL:** \ **Category:** Rails\ **Created:** [March 13, 2008, 2:52am UTC](https://www.ruby-forum.com/t/got-different-results-from-d-d-agile-book-on-test-of-unit-test/131766 "2008-03-13T02:52:02Z")\ **Posts on this page:** 1\ **Page:** 1
**Author:** ![xeno](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/x/e19b73/32.png) [@xeno](https://www.ruby-forum.com/u/xeno)\ **Post date:** [March 13, 2008, 2:52am UTC](https://www.ruby-forum.com/t/got-different-results-from-d-d-agile-book-on-test-of-unit-test/131766/1 "2008-03-13T02:52:02Z")
$ ruby test/unit/pagespec\_test.rb Loaded suite test/unit/pagespec\_test Started .E… Finished in 0.502818 seconds. 1. Error: testservers(ActionController::TestCase): ArgumentError: wrong number of arguments (0 for 1) /usr/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action\_controller/ test\_case .rb:48:in `initialize' /usr/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/ test_case .rb:48:in`new’ /usr/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action\_controller/ test\_case .rb:48:in `setup_without_fixtures' /usr/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active_record/ fixtures.rb :979:in`full\_setup’ /usr/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active\_support/ testing/d efault.rb:7:in `run’ 6 tests, 1 assertions, 0 failures, 1 errors —snip---- This doesn’t appear to be pointing to any of my code, but rather to rails itself. Line 48 starts as follows near the end of test\_case.rb: ``` @controller = self.class.controller_class.new @request = TestRequest.new @response = TestResponse.new end ``` end end —snip— Even if it’s me, it would be nice if the diagnostic message were more helpful.