diff options
Diffstat (limited to 'actionview/test/template/template_test.rb')
| -rw-r--r-- | actionview/test/template/template_test.rb | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/actionview/test/template/template_test.rb b/actionview/test/template/template_test.rb new file mode 100644 index 0000000000..c94508d678 --- /dev/null +++ b/actionview/test/template/template_test.rb @@ -0,0 +1,200 @@ +# encoding: US-ASCII +require "abstract_unit" +require "logger" + +class TestERBTemplate < ActiveSupport::TestCase + ERBHandler = ActionView::Template::Handlers::ERB.new + + class LookupContext + def disable_cache + yield + end + + def find_template(*args) + end + + attr_accessor :formats + end + + class Context + def initialize + @output_buffer = "original" + @virtual_path = nil + end + + def hello + "Hello" + end + + def apostrophe + "l'apostrophe" + end + + def partial + ActionView::Template.new( + "<%= @virtual_path %>", + "partial", + ERBHandler, + :virtual_path => "partial" + ) + end + + def lookup_context + @lookup_context ||= LookupContext.new + end + + def logger + ActiveSupport::Logger.new(STDERR) + end + + def my_buffer + @output_buffer + end + end + + def new_template(body = "<%= hello %>", details = { format: :html }) + ActionView::Template.new(body, "hello template", details.fetch(:handler) { ERBHandler }, {:virtual_path => "hello"}.merge!(details)) + end + + def render(locals = {}) + @template.render(@context, locals) + end + + def setup + @context = Context.new + end + + def test_basic_template + @template = new_template + assert_equal "Hello", render + end + + def test_basic_template_does_html_escape + @template = new_template("<%= apostrophe %>") + assert_equal "l'apostrophe", render + end + + def test_text_template_does_not_html_escape + @template = new_template("<%= apostrophe %> <%== apostrophe %>", format: :text) + assert_equal "l'apostrophe l'apostrophe", render + end + + def test_raw_template + @template = new_template("<%= hello %>", :handler => ActionView::Template::Handlers::Raw.new) + assert_equal "<%= hello %>", render + end + + def test_template_loses_its_source_after_rendering + @template = new_template + render + assert_nil @template.source + end + + def test_template_does_not_lose_its_source_after_rendering_if_it_does_not_have_a_virtual_path + @template = new_template("Hello", :virtual_path => nil) + render + assert_equal "Hello", @template.source + end + + def test_locals + @template = new_template("<%= my_local %>") + @template.locals = [:my_local] + assert_equal "I am a local", render(:my_local => "I am a local") + end + + def test_restores_buffer + @template = new_template + assert_equal "Hello", render + assert_equal "original", @context.my_buffer + end + + def test_virtual_path + @template = new_template("<%= @virtual_path %>" \ + "<%= partial.render(self, {}) %>" \ + "<%= @virtual_path %>") + assert_equal "hellopartialhello", render + end + + def test_refresh_with_templates + @template = new_template("Hello", :virtual_path => "test/foo/bar") + @template.locals = [:key] + @context.lookup_context.expects(:find_template).with("bar", %w(test/foo), false, [:key]).returns("template") + assert_equal "template", @template.refresh(@context) + end + + def test_refresh_with_partials + @template = new_template("Hello", :virtual_path => "test/_foo") + @template.locals = [:key] + @context.lookup_context.expects(:find_template).with("foo", %w(test), true, [:key]).returns("partial") + assert_equal "partial", @template.refresh(@context) + end + + def test_refresh_raises_an_error_without_virtual_path + @template = new_template("Hello", :virtual_path => nil) + assert_raise RuntimeError do + @template.refresh(@context) + end + end + + 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", :virtual_path => nil) + 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", :virtual_path => nil) + 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", :virtual_path => nil) + render + end + end + + def with_external_encoding(encoding) + old = Encoding.default_external + Encoding::Converter.new old, encoding if old != encoding + silence_warnings { Encoding.default_external = encoding } + yield + ensure + silence_warnings { Encoding.default_external = old } + end +end |