actionview/test/template/form_options_helper_i18n_test.rb


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require "abstract_unit"

class FormOptionsHelperI18nTests < ActionView::TestCase
  tests ActionView::Helpers::FormOptionsHelper

  def setup
    @prompt_message = "Select!"
    I18n.backend.send(:init_translations)
    I18n.backend.store_translations :en, helpers: { select: { prompt: @prompt_message } }
  end

  def teardown
    I18n.backend = I18n::Backend::Simple.new
  end

  def test_select_with_prompt_true_translates_prompt_message
    assert_called_with(I18n, :translate, ["helpers.select.prompt", { default: "Please select" }]) do
      select("post", "category", [], prompt: true)
    end
  end

  def test_select_with_translated_prompt
    assert_dom_equal(
      %Q(<select id="post_category" name="post[category]"><option value="">#{@prompt_message}</option>\n</select>),
      select("post", "category", [], prompt: true)
    )
  end
end