require "abstract_unit" ActionController::Base.helpers_path = File.expand_path("../fixtures/helpers", __dir__) module Fun class GamesController < ActionController::Base def render_hello_world render inline: "hello: <%= stratego %>" end end class PdfController < ActionController::Base def test render inline: "test: <%= foobar %>" end end end class AllHelpersController < ActionController::Base helper :all end module ImpressiveLibrary extend ActiveSupport::Concern included do helper_method :useful_function end def useful_function() end end ActionController::Base.include(ImpressiveLibrary) class JustMeController < ActionController::Base clear_helpers def flash render inline: "

<%= notice %>

" end def lib render inline: "<%= useful_function %>" end end class MeTooController < JustMeController end class HelpersPathsController < ActionController::Base paths = ["helpers2_pack", "helpers1_pack"].map do |path| File.join(File.expand_path("../fixtures", __dir__), path) end $:.unshift(*paths) self.helpers_path = paths helper :all def index render inline: "<%= conflicting_helper %>" end end class HelpersTypoController < ActionController::Base path = File.expand_path("../fixtures/helpers_typo", __dir__) $:.unshift(path) self.helpers_path = path end module LocalAbcHelper def a() end def b() end def c() end end class HelperPathsTest < ActiveSupport::TestCase def test_helpers_paths_priority responses = HelpersPathsController.action(:index).call(ActionController::TestRequest::DEFAULT_ENV.dup) # helpers1_pack was given as a second path, so pack1_helper should be # included as the second one assert_equal "pack1", responses.last.body end end class HelpersTypoControllerTest < ActiveSupport::TestCase def setup @autoload_paths = ActiveSupport::Dependencies.autoload_paths ActiveSupport::Dependencies.autoload_paths = Array(HelpersTypoController.helpers_path) end def test_helper_typo_error_message e = assert_raise(NameError) { HelpersTypoController.helper "admin/users" } assert_equal "Couldn't find Admin::UsersHelper, expected it to be defined in helpers/admin/users_helper.rb", e.message end def teardown ActiveSupport::Dependencies.autoload_paths = @autoload_paths end end class HelperTest < ActiveSupport::TestCase class TestController < ActionController::Base attr_accessor :delegate_attr def delegate_method() end end def setup # Increment symbol counter. @symbol = (@@counter ||= "A0").succ!.dup # Generate new controller class. controller_class_name = "Helper#{@symbol}Controller" eval("class #{controller_class_name} < TestController; end") @controller_class = self.class.const_get(controller_class_name) # Set default test helper. self.test_helper = LocalAbcHelper end def test_helper assert_equal expected_helper_methods, missing_methods assert_nothing_raised { @controller_class.helper TestHelper } assert_equal [], missing_methods end def test_helper_method assert_nothing_raised { @controller_class.helper_method :delegate_method } assert_includes master_helper_methods, :delegate_method end def test_helper_attr assert_nothing_raised { @controller_class.helper_attr :delegate_attr } assert_includes master_helper_methods, :delegate_attr assert_includes master_helper_methods, :delegate_attr= end def call_controller(klass, action) klass.action(action).call(ActionController::TestRequest::DEFAULT_ENV.dup) end def test_helper_for_nested_controller assert_equal "hello: Iz guuut!", call_controller(Fun::GamesController, "render_hello_world").last.body end def test_helper_for_acronym_controller assert_equal "test: baz", call_controller(Fun::PdfController, "test").last.body end def test_default_helpers_only assert_equal [JustMeHelper], JustMeController._helpers.ancestors.reject(&:anonymous?) assert_equal [MeTooHelper, JustMeHelper], MeTooController._helpers.ancestors.reject(&:anonymous?) end def test_base_helper_methods_after_clear_helpers assert_nothing_raised do call_controller(JustMeController, "flash") end end def test_lib_helper_methods_after_clear_helpers assert_nothing_raised do call_controller(JustMeController, "lib") end end def test_all_helpers methods = AllHelpersController._helpers.instance_methods # abc_helper.rb assert_includes methods, :bare_a # fun/games_helper.rb assert_includes methods, :stratego # fun/pdf_helper.rb assert_includes methods, :foobar end def test_all_helpers_with_alternate_helper_dir @controller_class.helpers_path = File.expand_path("../fixtures/alternate_helpers", __dir__) # Reload helpers @controller_class._helpers = Module.new @controller_class.helper :all # helpers/abc_helper.rb should not be included assert_not_includes master_helper_methods, :bare_a # alternate_helpers/foo_helper.rb assert_includes master_helper_methods, :baz end def test_helper_proxy methods = AllHelpersController.helpers.methods # Action View assert_includes methods, :pluralize # abc_helper.rb assert_includes methods, :bare_a # fun/games_helper.rb assert_includes methods, :stratego # fun/pdf_helper.rb assert_includes methods, :foobar end def test_helper_proxy_in_instance methods = AllHelpersController.new.helpers.methods # Action View assert_includes methods, :pluralize # abc_helper.rb assert_includes methods, :bare_a # fun/games_helper.rb assert_includes methods, :stratego # fun/pdf_helper.rb assert_includes methods, :foobar end def test_helper_proxy_config AllHelpersController.config.my_var = "smth" assert_equal "smth", AllHelpersController.helpers.config.my_var end private def expected_helper_methods TestHelper.instance_methods end def master_helper_methods @controller_class._helpers.instance_methods end def missing_methods expected_helper_methods - master_helper_methods end def test_helper=(helper_module) silence_warnings { self.class.const_set("TestHelper", helper_module) } end end class IsolatedHelpersTest < ActionController::TestCase class A < ActionController::Base def index render inline: "<%= shout %>" end end class B < A helper { def shout; "B" end } def index render inline: "<%= shout %>" end end class C < A helper { def shout; "C" end } def index render inline: "<%= shout %>" end end def call_controller(klass, action) klass.action(action).call(@request.env) end def setup super @request.action = "index" end def test_helper_in_a assert_raise(ActionView::Template::Error) { call_controller(A, "index") } end def test_helper_in_b assert_equal "B", call_controller(B, "index").last.body end def test_helper_in_c assert_equal "C", call_controller(C, "index").last.body end end