require 'abstract_unit' ActionController::Base.helpers_path = File.expand_path('../../fixtures/helpers', __FILE__) module Fun class GamesController < ActionController::Base def render_hello_world render :inline => "hello: <%= stratego %>" end def rescue_action(e) raise end end class PdfController < ActionController::Base def test render :inline => "test: <%= foobar %>" end def rescue_action(e) raise 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.send :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 module LocalAbcHelper def a() end def b() end def c() end end class HelperTest < ActiveSupport::TestCase class TestController < ActionController::Base attr_accessor :delegate_attr def delegate_method() end def rescue_action(e) raise 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 master_helper_methods.include?('delegate_method') end def test_helper_attr assert_nothing_raised { @controller_class.helper_attr :delegate_attr } assert master_helper_methods.include?('delegate_attr') assert master_helper_methods.include?('delegate_attr=') end def call_controller(klass, action) request = ActionController::TestRequest.new klass.action(action).call(request.env) end def test_helper_for_nested_controller assert_equal 'hello: Iz guuut!', call_controller(Fun::GamesController, "render_hello_world").last.body # request = ActionController::TestRequest.new # # resp = Fun::GamesController.action(:render_hello_world).call(request.env) # assert_equal 'hello: Iz guuut!', resp.last.body end def test_helper_for_acronym_controller assert_equal "test: baz", call_controller(Fun::PdfController, "test").last.body # # request = ActionController::TestRequest.new # response = ActionController::TestResponse.new # request.action = 'test' # # assert_equal 'test: baz', Fun::PdfController.process(request, response).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.map {|m| m.to_s} # abc_helper.rb assert methods.include?('bare_a') # fun/games_helper.rb assert methods.include?('stratego') # fun/pdf_helper.rb assert methods.include?('foobar') end def test_all_helpers_with_alternate_helper_dir @controller_class.helpers_path = File.expand_path('../../fixtures/alternate_helpers', __FILE__) # Reload helpers @controller_class._helpers = Module.new @controller_class.helper :all # helpers/abc_helper.rb should not be included assert !master_helper_methods.include?('bare_a') # alternate_helpers/foo_helper.rb assert master_helper_methods.include?('baz') end def test_helper_proxy methods = AllHelpersController.helpers.methods.map(&:to_s) # Action View assert methods.include?('pluralize') # abc_helper.rb assert methods.include?('bare_a') # fun/games_helper.rb assert methods.include?('stratego') # fun/pdf_helper.rb assert methods.include?('foobar') end private def expected_helper_methods TestHelper.instance_methods.map {|m| m.to_s } end def master_helper_methods @controller_class._helpers.instance_methods.map {|m| m.to_s } 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 < ActiveSupport::TestCase class A < ActionController::Base def index render :inline => '<%= shout %>' end def rescue_action(e) raise 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) request = ActionController::TestRequest.new klass.action(action).call(request.env) end def setup @request = ActionController::TestRequest.new @response = ActionController::TestResponse.new @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