摘要：
run rake db:migrate errorRails 3.1 and Rspec-rails < 2.6 isn't compatible: https://github.com/rspec/rspec-rails/blob/master/features/RailsVersions.md.upgrade to rspec-rails version 2.6.1.beta1 fixed it.solution:If you haven't specified a version for rspec-rails in your Gemfile, just run b 阅读全文
