diff options
Diffstat (limited to 'activesupport/test/core_ext/object_and_class_ext_test.rb')
-rw-r--r-- | activesupport/test/core_ext/object_and_class_ext_test.rb | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/activesupport/test/core_ext/object_and_class_ext_test.rb b/activesupport/test/core_ext/object_and_class_ext_test.rb index e48d87a198..1fbb853bc9 100644 --- a/activesupport/test/core_ext/object_and_class_ext_test.rb +++ b/activesupport/test/core_ext/object_and_class_ext_test.rb @@ -11,6 +11,16 @@ class ClassJ < ClassI; end class ClassK end module Nested + class << self + def on_const_missing(&callback) + @on_const_missing = callback + end + private + def const_missing(mod_id) + @on_const_missing[mod_id] if @on_const_missing + super + end + end class ClassL < ClassK end end @@ -41,9 +51,12 @@ class ClassExtTest < Test::Unit::TestCase end def test_subclasses_of + cj = ClassJ assert_equal [ClassJ], Object.subclasses_of(ClassI) ClassI.remove_subclasses assert_equal [], Object.subclasses_of(ClassI) + ensure + Object.const_set :ClassJ, cj end def test_subclasses_of_should_find_nested_classes @@ -60,7 +73,31 @@ class ClassExtTest < Test::Unit::TestCase subclasses = Object.subclasses_of(ClassK) assert subclasses.include?(new_class) assert ! subclasses.include?(old_class) - end + ensure + Nested.const_set :ClassL, old_class unless defined?(Nested::ClassL) + end + + def test_subclasses_of_should_not_trigger_const_missing + const_missing = false + Nested.on_const_missing { const_missing = true } + + subclasses = Object.subclasses_of ClassK + assert !const_missing + assert_equal [ Nested::ClassL ], subclasses + + removed = Nested.send :remove_const, :ClassL # keep it in memory + subclasses = Object.subclasses_of ClassK + assert !const_missing + assert subclasses.empty? + ensure + Nested.const_set :ClassL, removed unless defined?(Nested::ClassL) + end + + def test_subclasses_of_with_multiple_roots + classes = Object.subclasses_of(ClassI, ClassK) + assert_equal %w(ClassJ Nested::ClassL), classes.collect(&:to_s).sort + end + end class ObjectTests < Test::Unit::TestCase |