Hypertechblog

An error occurred while installing rmagick (2.16.0), and Bundler cannot continue You have to install library of rmagick in your system. sudo apt-get install imagemagick libmagickcore-dev libmagickwand-dev

NoMethodError: undefined method `has_many?' In your gem file-  group :test do     gem 'capybara', '~> 2.1.0'     gem 'shoulda-matchers', '~> 3.0' end Run - bundle install in your spec_helper-  Shoulda::Matchers.configure do |config|   config.integrate do |with|     with.test_framework :rspec     with.library :rails   end end In to do TodoItem model require 'spec_helper' describe TodoItem do   it { should belong_to(:todo_list) } end In to do TodoList Model require 'spec_helper' describe TodoList do   it { should have_many(:todo_items) } end