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authorMarcel Molina <marcel@vernix.org>2006-11-16 19:35:13 +0000
committerMarcel Molina <marcel@vernix.org>2006-11-16 19:35:13 +0000
commit309a6bd550281b60f25be28ea76a5cce5f9b377b (patch)
tree953e9d12f9fec91b3211f5d309dec276a4ea2bd9 /activesupport/test/core_ext/module
parent0100a79913af60abd15351efd4a495dec0ff0474 (diff)
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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
Diffstat (limited to 'activesupport/test/core_ext/module')
-rw-r--r--activesupport/test/core_ext/module/attr_accessor_with_default.rb30
1 files changed, 30 insertions, 0 deletions
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