diff options
Diffstat (limited to 'actionpack/test/controller/helper_test.rb')
| -rw-r--r-- | actionpack/test/controller/helper_test.rb | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/actionpack/test/controller/helper_test.rb b/actionpack/test/controller/helper_test.rb new file mode 100644 index 0000000000..9d1da53241 --- /dev/null +++ b/actionpack/test/controller/helper_test.rb @@ -0,0 +1,110 @@ +require File.dirname(__FILE__) + '/../abstract_unit' + +class HelperTest < Test::Unit::TestCase + HELPER_PATHS = %w(/../fixtures/helpers) + + class TestController < ActionController::Base + attr_accessor :delegate_attr + def delegate_method() end + def rescue_action(e) raise end + end + + module LocalAbcHelper + def a() end + def b() end + def c() 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) + + # Generate new template class and assign to controller. + template_class_name = "Test#{@symbol}View" + eval("class #{template_class_name} < ActionView::Base; end") + @template_class = self.class.const_get(template_class_name) + @controller_class.template_class = @template_class + + # Add helper paths to LOAD_PATH. + HELPER_PATHS.each { |path| + $LOAD_PATH.unshift(File.dirname(__FILE__) + path) + } + + # Set default test helper. + self.test_helper = LocalAbcHelper + end + + def teardown + # Reset template class. + #ActionController::Base.template_class = ActionView::Base + + # Remove helper paths from LOAD_PATH. + HELPER_PATHS.each { |path| + $LOAD_PATH.delete(File.dirname(__FILE__) + path) + } + end + + + def test_deprecated_helper + assert_equal 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 helper_methods, missing_methods + assert_nothing_raised { @controller_class.helper :abc } + assert_equal [], missing_methods + end + + def test_declare_missing_helper + assert_equal helper_methods, missing_methods + assert_raise(LoadError) { @controller_class.helper :missing } + end + + def test_helper_block + assert_nothing_raised { + @controller_class.helper { def block_helper_method; end } + } + assert template_methods.include?('block_helper_method') + end + + def test_helper_block_include + assert_equal helper_methods, missing_methods + assert_nothing_raised { + @controller_class.helper { include TestHelper } + } + assert [], missing_methods + end + + def test_helper_method + assert_nothing_raised { @controller_class.helper_method :delegate_method } + assert template_methods.include?('delegate_method') + end + + def test_helper_attr + assert_nothing_raised { @controller_class.helper_attr :delegate_attr } + assert template_methods.include?('delegate_attr') + assert template_methods.include?('delegate_attr=') + end + + + private + def helper_methods; TestHelper.instance_methods end + def template_methods; @template_class.instance_methods end + def missing_methods; helper_methods - template_methods end + + def test_helper=(helper_module) + old_verbose, $VERBOSE = $VERBOSE, nil + self.class.const_set('TestHelper', helper_module) + $VERBOSE = old_verbose + end +end
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