mkspec - Generate spec file (in vim: `:!mkspec %`)

mkspec.rb

#!/usr/bin/env ruby

DESC = "

Generate spec file

Example: mkspec app/services/user/create.rb will generate spec/services/user/create_spec.rb

"

FILES = ARGV

if FILES.empty?
  puts DESC
  exit 1
end

require 'fileutils'

FILES.each do |file_path|
  unless File.exists?(file_path)
    puts "#{file_path} does not exists - Skipping..."
    next
  end

  _, top_dir, *sub_dirs, file = file_path.split('/')

  spec_dir_path = ["spec", top_dir, sub_dirs].flatten.join('/')
  spec_file_path = [spec_dir_path, file.gsub(/\.rb$/, "_spec.rb")].join('/')

  namespaces = sub_dirs.map { |str| str.split('_').map(&:capitalize).join }
  klass_name = file.gsub(/\.rb$/, '').split('_').map(&:capitalize).join
  full_klass_name = (namespaces + [klass_name]).join('::')

  code = %|require "rails_helper"

describe #{full_klass_name} do

end
|

  if File.exists?(spec_file_path)
    puts "#{spec_file_path} exists - Skipping..."
  else
    puts "#{spec_file_path} created!"
    FileUtils.mkpath spec_dir_path
    File.open(spec_file_path, 'w') do |f|
      f.puts code
    end
  end
end