RSpec 3.1 用の spec_helper.rb の雛形的な

spec_helper.rb

RSpec.configure do |config|
  config.expect_with :rspec do |expectations|
    expectations.include_chain_clauses_in_custom_matcher_descriptions = true
  end

  config.mock_with :rspec do |mocks|
    mocks.verify_partial_doubles = true
  end

  config.filter_run :focus
  config.run_all_when_everything_filtered = true

  config.disable_monkey_patching!

  if config.files_to_run.one?
    config.default_formatter = 'doc'
  end

  config.order = :random
end