JezK
Edit File: helper_test.rb
require 'abstract_unit' ActionController::Base.helpers_dir = File.dirname(__FILE__) + '/../fixtures/helpers' class TestController < ActionController::Base attr_accessor :delegate_attr def delegate_method() end def rescue_action(e) raise end end 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 ApplicationController < ActionController::Base helper :all end module LocalAbcHelper def a() end def b() end def c() end end class HelperTest < Test::Unit::TestCase 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_deprecated_helper assert_equal expected_helper_methods, missing_methods assert_nothing_raised { @controller_class.helper TestHelper } assert_equal [], missing_methods end def test_declare_helper require 'abc_helper' self.test_helper = AbcHelper assert_equal expected_helper_methods, missing_methods assert_nothing_raised { @controller_class.helper :abc } assert_equal [], missing_methods end def test_declare_missing_helper assert_equal expected_helper_methods, missing_methods assert_raise(MissingSourceFile) { @controller_class.helper :missing } end def test_declare_missing_file_from_helper require 'broken_helper' rescue LoadError => e assert_nil(/\bbroken_helper\b/.match(e.to_s)[1]) end def test_helper_block assert_nothing_raised { @controller_class.helper { def block_helper_method; end } } assert master_helper_methods.include?('block_helper_method') end def test_helper_block_include assert_equal expected_helper_methods, missing_methods assert_nothing_raised { @controller_class.helper { include HelperTest::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 test_helper_for_nested_controller request = ActionController::TestRequest.new response = ActionController::TestResponse.new request.action = 'render_hello_world' assert_equal 'hello: Iz guuut!', Fun::GamesController.process(request, response).body end def test_helper_for_acronym_controller request = ActionController::TestRequest.new response = ActionController::TestResponse.new request.action = 'test' assert_equal 'test: baz', Fun::PdfController.process(request, response).body end def test_all_helpers methods = ApplicationController.master_helper_module.instance_methods.map(&: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_dir = File.dirname(__FILE__) + '/../fixtures/alternate_helpers' # Reload helpers @controller_class.master_helper_module = 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 = ApplicationController.helpers.methods.map(&:to_s) # ActionView 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(&:to_s) end def master_helper_methods @controller_class.master_helper_module.instance_methods.map(&: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 < Test::Unit::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 setup @request = ActionController::TestRequest.new @response = ActionController::TestResponse.new @request.action = 'index' end def test_helper_in_a assert_raise(NameError) { A.process(@request, @response) } end def test_helper_in_b assert_equal 'B', B.process(@request, @response).body end def test_helper_in_c assert_equal 'C', C.process(@request, @response).body end end