require "abstract_unit" class TextTest < ActiveSupport::TestCase test "formats returns symbol for recognized MIME type" do assert_equal [:text], ActionView::Template::Text.new("", :text).formats end test "formats returns string for recognized MIME type when MIME does not have symbol" do foo = Mime::Type.lookup("foo") assert_nil foo.to_sym assert_equal ["foo"], ActionView::Template::Text.new("", foo).formats end test "formats returns string for unknown MIME type" do assert_equal ["foo"], ActionView::Template::Text.new("", "foo").formats end end