search for: book_test

i am working through the Beginning Ruby on Rails Ecommerce book and on page 101 where it is talking about integration tests, i run test/integration/book_test.rb and it fails giving me the following error message: 1) Failure: test_book_administration(BookTest) [test/integration/book_test.rb:45:in `add_book'' test/integration/book_test.rb:11:in `test_book_administration'' /usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib...

Following the directions in: http://www.xml.com/pub/a/2006/04/19/rest-on-rails.html?page=2 I get through the: rake db:migrate With the tables created properly but then when I run the: rake test:units I get a failure: ActiveRecord::StatementInvalid: RuntimeError: ERROR C23502 Mnull value in column "title" violates not-null constraint FexecMain.c L1750

...s/rails _rcov.rake" --run-rake-task=test:units (in D:/dev/src/booksmart) rcov.cmd -o "D:/dev/src/booksmart/coverage/units" -T -x "rubygems/*,rcov*" --rai ls -Ilib;test "D:/dev/ruby/lib/ruby/gems/1.8/gems/rake-0.7.1/lib/rake/rake_test _loader.rb" "test/unit/book_test.rb" "test/unit/cart_test.rb" "test/unit/credit_ card_test.rb" "test/unit/line_item_test.rb" "test/unit/note_test.rb" "test/unit/ notifications_test.rb" "test/unit/publisher_test.rb" "test/unit/purchase_test.rb " "tes...