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("post", "category", [], prompt: true) ) end end