require "abstract_unit" class TestERBTemplate < ActiveSupport::TestCase ERBHandler = ActionView::Template::Handlers::ERB class Context def initialize @output_buffer = "original" @_virtual_path = nil end def hello "Hello" end def partial ActionView::Template.new( "<%= @_virtual_path %>", "partial", ERBHandler, :virtual_path => "partial" ) end def logger require "logger" Logger.new(STDERR) end def my_buffer @output_buffer end end def new_template(body = "<%= hello %>", handler = ERBHandler, details = {}) ActionView::Template.new(body, "hello template", ERBHandler, {:virtual_path => "hello"}) end def render(locals = {}) @template.render(@obj, locals) end def setup @obj = Context.new end def test_basic_template @template = new_template assert_equal "Hello", render end def test_locals @template = new_template("<%= my_local %>") assert_equal "I'm a local", render(:my_local => "I'm a local") end def test_restores_buffer @template = new_template assert_equal "Hello", render assert_equal "original", @obj.my_buffer end def test_virtual_path @template = new_template("<%= @_virtual_path %>" \ "<%= partial.render(self, {}) %>" \ "<%= @_virtual_path %>") assert_equal "hellopartialhello", render end if "ruby".encoding_aware? def test_resulting_string_is_utf8 @template = new_template assert_equal Encoding::UTF_8, render.encoding end def test_no_magic_comment_word_with_utf_8 @template = new_template("hello \u{fc}mlat") assert_equal Encoding::UTF_8, render.encoding assert_equal "hello \u{fc}mlat", render end # This test ensures that if the default_external # is set to something other than UTF-8, we don't # get any errors and get back a UTF-8 String. def test_default_external_works with_external_encoding "ISO-8859-1" do @template = new_template("hello \xFCmlat") assert_equal Encoding::UTF_8, render.encoding assert_equal "hello \u{fc}mlat", render end end def test_encoding_can_be_specified_with_magic_comment @template = new_template("# encoding: ISO-8859-1\nhello \xFCmlat") assert_equal Encoding::UTF_8, render.encoding assert_equal "\nhello \u{fc}mlat", render end # TODO: This is currently handled inside ERB. The case of explicitly # lying about encodings via the normal Rails API should be handled # inside Rails. def test_lying_with_magic_comment assert_raises(ActionView::Template::Error) do @template = new_template("# encoding: UTF-8\nhello \xFCmlat") render end end def test_encoding_can_be_specified_with_magic_comment_in_erb with_external_encoding Encoding::UTF_8 do @template = new_template("<%# encoding: ISO-8859-1 %>hello \xFCmlat") result = render assert_equal Encoding::UTF_8, render.encoding assert_equal "hello \u{fc}mlat", render end end def test_error_when_template_isnt_valid_utf8 assert_raises(ActionView::Template::Error, /\xFC/) do @template = new_template("hello \xFCmlat") render end end def with_external_encoding(encoding) old = Encoding.default_external silence_warnings { Encoding.default_external = encoding } yield ensure silence_warnings { Encoding.default_external = old } end end end