gistfile1.js

require 'spec_helper'
require_dependency 'js_locale_helper'

describe JsLocaleHelper do
  it 'should be able to generate traslations' do
    JsLocaleHelper.output_locale('en').length.should > 0
  end

  def setup_message_format(format)
    @ctx = V8::Context.new
    @ctx.eval('MessageFormat = {locale: {}};')
    @ctx.load(Rails.root + 'app/assets/javascripts/defer/locale/en.js')
    compiled = JsLocaleHelper.compile_message_format('en', format)
    @ctx.eval("var test = #{compiled}")
  end

  def localize(opts)
    @ctx.eval("test(#{opts.to_json})")
  end

  it 'handles plurals' do
    setup_message_format('{NUM_RESULTS, plural,
            one {1 result}
          other {# results}
        }')
    localize(NUM_RESULTS: 1).should == '1 result'
    localize(NUM_RESULTS: 2).should == '2 results'
  end

  it 'handles double plurals' do
    setup_message_format('{NUM_RESULTS, plural,
            one {1 result}
          other {# results}
        } and {NUM_APPLES, plural,
            one {1 apple}
          other {# apples}
        }')


    localize(NUM_RESULTS: 1, NUM_APPLES: 2).should == '1 result and 2 apples'
    localize(NUM_RESULTS: 2, NUM_APPLES: 1).should == '2 results and 1 apple'
  end
end