Rakefile
#!/usr/bin/env rake
require 'bundler/gem_tasks'
require 'rspec/core/rake_task'
RSpec::Core::RakeTask.new
task :test => :spec
begin
require 'rubocop/rake_task'
RuboCop::RakeTask.new
rescue LoadError
task :rubocop do
warn 'RuboCop is disabled'
end
end
task :default => %i[spec rubocop]