require 'abstract_unit' require 'controller/fake_models' class CompiledTemplatesTest < Test::Unit::TestCase def setup @compiled_templates = ActionView::Base::CompiledTemplates @compiled_templates.instance_methods.each do |m| @compiled_templates.send(:remove_method, m) if m =~ /^_run_/ end end def test_template_gets_compiled with_caching(true) do assert_equal 0, @compiled_templates.instance_methods.size assert_equal "Hello world!", render(:file => "test/hello_world.erb") assert_equal 1, @compiled_templates.instance_methods.size end end def test_template_gets_recompiled_when_using_different_keys_in_local_assigns with_caching(true) do assert_equal 0, @compiled_templates.instance_methods.size assert_equal "Hello world!", render(:file => "test/hello_world.erb") assert_equal "Hello world!", render(:file => "test/hello_world.erb", :locals => {:foo => "bar"}) assert_equal 2, @compiled_templates.instance_methods.size end end def test_compiled_template_will_not_be_recompiled_when_rendered_with_identical_local_assigns with_caching(true) do assert_equal 0, @compiled_templates.instance_methods.size assert_equal "Hello world!", render(:file => "test/hello_world.erb") ActionView::Template.any_instance.expects(:compile!).never assert_equal "Hello world!", render(:file => "test/hello_world.erb") end end def test_template_changes_are_not_reflected_with_cached_template_loading with_caching(true) do with_reloading(false) do assert_equal "Hello world!", render(:file => "test/hello_world.erb") modify_template "test/hello_world.erb", "Goodbye world!" do assert_equal "Hello world!", render(:file => "test/hello_world.erb") end assert_equal "Hello world!", render(:file => "test/hello_world.erb") end end end def test_template_changes_are_reflected_without_cached_template_loading with_caching(true) do with_reloading(true) do assert_equal "Hello world!", render(:file => "test/hello_world.erb") modify_template "test/hello_world.erb", "Goodbye world!" do assert_equal "Goodbye world!", render(:file => "test/hello_world.erb") end assert_equal "Hello world!", render(:file => "test/hello_world.erb") end end end def test_template_becomes_missing_if_deleted_without_cached_template_loading with_reloading(true) do assert_equal 'Hello world!', render(:file => 'test/hello_world.erb') delete_template 'test/hello_world.erb' do assert_raise(ActionView::MissingTemplate) { render(:file => 'test/hello_world.erb') } end assert_equal 'Hello world!', render(:file => 'test/hello_world.erb') end end def test_swapping_template_handler_is_working_without_cached_template_loading with_reloading(true) do assert_equal 'Hello world!', render(:file => 'test/hello_world') delete_template 'test/hello_world.erb' do rename_template 'test/hello_world_from_rxml.builder', 'test/hello_world.builder' do assert_equal "\n

Hello

\n\n", render(:file => 'test/hello_world') end end assert_equal 'Hello world!', render(:file => 'test/hello_world') end end def test_adding_localized_template_will_take_precedence_without_cached_template_loading with_reloading(true) do assert_equal 'Hello world!', render(:file => 'test/hello_world') rename_template 'test/hello_world.da.html.erb', 'test/hello_world.en.html.erb' do assert_equal 'Hey verden', render(:file => 'test/hello_world') end end end def test_deleting_localized_template_will_fall_back_to_non_localized_template_without_cached_template_loading with_reloading(true) do rename_template 'test/hello_world.da.html.erb', 'test/hello_world.en.html.erb' do assert_equal 'Hey verden', render(:file => 'test/hello_world') delete_template 'test/hello_world.en.html.erb' do assert_equal 'Hello world!', render(:file => 'test/hello_world') end assert_equal 'Hey verden', render(:file => 'test/hello_world') end end end def test_parallel_reloadable_view_paths_are_working with_reloading(true) do view_paths_copy = new_reloadable_view_paths assert_equal 'Hello world!', render(:file => 'test/hello_world') with_view_paths(view_paths_copy, new_reloadable_view_paths) do assert_equal 'Hello world!', render(:file => 'test/hello_world') end modify_template 'test/hello_world.erb', 'Goodbye world!' do assert_equal 'Goodbye world!', render(:file => 'test/hello_world') modify_template 'test/hello_world.erb', 'So long, world!' do with_view_paths(view_paths_copy, new_reloadable_view_paths) do assert_equal 'So long, world!', render(:file => 'test/hello_world') end assert_equal 'So long, world!', render(:file => 'test/hello_world') end end end end private def render(*args) view_paths = @explicit_view_paths || ActionController::Base.view_paths ActionView::Base.new(view_paths, {}).render(*args) end def with_view_paths(*args) args.each do |view_paths| begin @explicit_view_paths = view_paths yield ensure @explicit_view_paths = nil end end end def reset_mtime_of(template_name, view_paths_to_use) view_paths_to_use.find_template(template_name).previously_last_modified = 10.seconds.ago unless ActionView::Base.cache_template_loading? end def modify_template(template, content, view_paths_to_use = ActionController::Base.view_paths) filename = filename_for(template) old_content = File.read(filename) begin File.open(filename, "wb+") { |f| f.write(content) } reset_mtime_of(template, view_paths_to_use) yield ensure File.open(filename, "wb+") { |f| f.write(old_content) } reset_mtime_of(template, view_paths_to_use) end end def filename_for(template) File.join(FIXTURE_LOAD_PATH, template) end def rename_template(old_name, new_name) File.rename(filename_for(old_name), filename_for(new_name)) yield ensure File.rename(filename_for(new_name), filename_for(old_name)) end def delete_template(template, &block) rename_template(template, File.join(File.dirname(template), "__#{File.basename(template)}"), &block) end def with_caching(perform_caching) old_perform_caching = ActionController::Base.perform_caching begin ActionController::Base.perform_caching = perform_caching yield ensure ActionController::Base.perform_caching = old_perform_caching end end def with_reloading(reload_templates, view_paths_owner = ActionController::Base) old_view_paths, old_cache_templates = view_paths_owner.view_paths, ActionView::Base.cache_template_loading begin ActionView::Base.cache_template_loading = !reload_templates view_paths_owner.view_paths = view_paths_for(reload_templates) yield ensure view_paths_owner.view_paths, ActionView::Base.cache_template_loading = old_view_paths, old_cache_templates end end def new_reloadable_view_paths ActionView::PathSet.new(CACHED_VIEW_PATHS.map(&:to_s)) end def view_paths_for(reload_templates) # reloadable paths are cheap to create reload_templates ? new_reloadable_view_paths : CACHED_VIEW_PATHS end end