class Holidays::Definition::Generator::Test

def call(module_name, file_names, tests)
  validate!(module_name, file_names, tests)
  test_src =<<-EndOfTests
ng: utf-8
File.expand_path(File.dirname(__FILE__)) + '/../test_helper'
ile is generated by the Ruby Holiday gem.
tions loaded: #{file_names.join(', ')}
module_name.to_s.capitalize}DefinitionTests < Test::Unit::TestCase  # :nodoc:
st_#{module_name.to_s.downcase}#{decorate(tests)}
ts
test_src
end

def decorate(tests)
  out = ""
  tests.each do |t|
    out << "\n    " + @decorator.call(t)
  end
  out
end

def initialize(decorator)
  @decorator = decorator
end

def validate!(module_name, file_names, tests)
  raise ArgumentError.new("module_name cannot be missing") if module_name.nil? || module_name.empty?
  raise ArgumentError.new("file_names for '#{module_name}' cannot be missing") if file_names.nil? || file_names.empty?
  raise ArgumentError.new("tests for '#{module_name}' cannot be missing") if tests.nil?
end