From 309a6bd550281b60f25be28ea76a5cce5f9b377b Mon Sep 17 00:00:00 2001 From: Marcel Molina Date: Thu, 16 Nov 2006 19:35:13 +0000 Subject: Add Module#attr_accessor_with_default to initialize value of attribute before setting it. Closes #6538. [Stuart Halloway, Marcel Molina Jr.] git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@5539 5ecf4fe2-1ee6-0310-87b1-e25e094e27de --- .../core_ext/module/attr_accessor_with_default.rb | 30 ++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 activesupport/test/core_ext/module/attr_accessor_with_default.rb (limited to 'activesupport/test/core_ext/module') diff --git a/activesupport/test/core_ext/module/attr_accessor_with_default.rb b/activesupport/test/core_ext/module/attr_accessor_with_default.rb new file mode 100644 index 0000000000..8ae52ad17a --- /dev/null +++ b/activesupport/test/core_ext/module/attr_accessor_with_default.rb @@ -0,0 +1,30 @@ +require File.dirname(__FILE__) + '/../../abstract_unit' + +class AttrWithDefaultTest < Test::Unit::TestCase + def setup + @target = Class.new do + def helper + 'helper' + end + end + @instance = @target.new + end + + def test_default_arg + @target.attr_accessor_with_default :foo, :bar + assert_equal(:bar, @instance.foo) + @instance.foo = nil + assert_nil(@instance.foo) + end + + def test_default_proc + @target.attr_accessor_with_default(:foo) {helper.upcase} + assert_equal('HELPER', @instance.foo) + @instance.foo = nil + assert_nil(@instance.foo) + end + + def test_invalid_args + assert_raise(RuntimeError) {@target.attr_accessor_with_default :foo} + end +end \ No newline at end of file -- cgit v1.2.3