fail_fast_fixtures.rb

# put at top of test_helper.rb

require 'yaml'
Dir[File.expand_path(File.join(File.dirname(__FILE__), "fixtures/**/*.yml"))].each do |f|
  begin
    YAML.load_file(f)
  rescue StandardError => e
    puts "!!!!! YAML parse error in file: #{f}"
    puts e.message
    exit 1
  end
end