require 'abstract_unit' class ViewLoadPathsTest < ActionController::TestCase class TestController < ActionController::Base def self.controller_path() "test" end def rescue_action(e) raise end before_filter :add_view_path, :only => :hello_world_at_request_time def hello_world() end def hello_world_at_request_time() render(:action => 'hello_world') end private def add_view_path prepend_view_path "#{FIXTURE_LOAD_PATH}/override" end end class Test::SubController < ActionController::Base layout 'test/sub' def hello_world; render(:template => 'test/hello_world'); end end def setup # TestController.view_paths = nil @request = ActionController::TestRequest.new @response = ActionController::TestResponse.new @controller = TestController.new # Following is needed in order to setup @controller.template object properly @controller.send :assign_shortcuts, @request, @response @controller.send :initialize_template_class, @response # Track the last warning. @old_behavior = ActiveSupport::Deprecation.behavior @last_message = nil ActiveSupport::Deprecation.behavior = Proc.new { |message, callback| @last_message = message } @paths = TestController.view_paths end def teardown TestController.view_paths = @paths ActiveSupport::Deprecation.behavior = @old_behavior end def expand(array) array.map {|x| File.expand_path(x.to_s)} end def assert_paths(*paths) controller = paths.first.is_a?(Class) ? paths.shift : @controller assert_equal expand(paths), controller.view_paths.map { |p| p.to_s } end def test_template_load_path_was_set_correctly assert_paths FIXTURE_LOAD_PATH end def test_controller_appends_view_path_correctly @controller.append_view_path 'foo' assert_paths(FIXTURE_LOAD_PATH, "foo") @controller.append_view_path(%w(bar baz)) assert_paths(FIXTURE_LOAD_PATH, "foo", "bar", "baz") @controller.append_view_path(FIXTURE_LOAD_PATH) assert_paths(FIXTURE_LOAD_PATH, "foo", "bar", "baz", FIXTURE_LOAD_PATH) end def test_controller_prepends_view_path_correctly @controller.prepend_view_path 'baz' assert_paths("baz", FIXTURE_LOAD_PATH) @controller.prepend_view_path(%w(foo bar)) assert_paths "foo", "bar", "baz", FIXTURE_LOAD_PATH @controller.prepend_view_path(FIXTURE_LOAD_PATH) assert_paths FIXTURE_LOAD_PATH, "foo", "bar", "baz", FIXTURE_LOAD_PATH end def test_template_appends_view_path_correctly @controller.instance_variable_set :@template, ActionView::Base.new(TestController.view_paths, {}, @controller) class_view_paths = TestController.view_paths @controller.append_view_path 'foo' assert_paths FIXTURE_LOAD_PATH, "foo" @controller.append_view_path(%w(bar baz)) assert_paths FIXTURE_LOAD_PATH, "foo", "bar", "baz" assert_paths TestController, *class_view_paths end def test_template_prepends_view_path_correctly @controller.instance_variable_set :@template, ActionView::Base.new(TestController.view_paths, {}, @controller) class_view_paths = TestController.view_paths @controller.prepend_view_path 'baz' assert_paths "baz", FIXTURE_LOAD_PATH @controller.prepend_view_path(%w(foo bar)) assert_paths "foo", "bar", "baz", FIXTURE_LOAD_PATH assert_paths TestController, *class_view_paths end def test_view_paths get :hello_world assert_response :success assert_equal "Hello world!", @response.body end def test_view_paths_override TestController.prepend_view_path "#{FIXTURE_LOAD_PATH}/override" get :hello_world assert_response :success assert_equal "Hello overridden world!", @response.body end def test_view_paths_override_for_layouts_in_controllers_with_a_module @controller = Test::SubController.new Test::SubController.view_paths = [ "#{FIXTURE_LOAD_PATH}/override", FIXTURE_LOAD_PATH, "#{FIXTURE_LOAD_PATH}/override2" ] get :hello_world assert_response :success assert_equal "layout: Hello overridden world!", @response.body end def test_view_paths_override_at_request_time get :hello_world_at_request_time assert_response :success assert_equal "Hello overridden world!", @response.body end def test_override_view_paths_with_custom_resolver resolver_class = Class.new(ActionView::PathResolver) do def initialize(path_set) @path_set = path_set end def find_all(*args) @path_set.find_all(*args).collect do |template| ::ActionView::Template.new( "Customized body", template.identifier, template.handler, { :virtual_path => template.virtual_path, :format => template.formats } ) end end end resolver = resolver_class.new(TestController.view_paths) TestController.view_paths = ActionView::PathSet.new.push(resolver) get :hello_world assert_response :success assert_equal "Customized body", @response.body end def test_inheritance original_load_paths = ActionController::Base.view_paths self.class.class_eval %{ class A < ActionController::Base; end class B < A; end class C < ActionController::Base; end } A.view_paths = ['a/path'] assert_paths A, "a/path" assert_paths A, *B.view_paths assert_paths C, *original_load_paths C.view_paths = [] assert_nothing_raised { C.append_view_path 'c/path' } assert_paths C, "c/path" end end