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author | Xavier Noria <fxn@hashref.com> | 2010-02-11 23:15:04 +0100 |
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committer | Xavier Noria <fxn@hashref.com> | 2010-02-11 23:15:04 +0100 |
commit | b8bb54af7ff6652327d99f6a7cf5c96a3f3f876d (patch) | |
tree | ad12a39f6056b0fee2f2803dfb6b14c5e56eb42d | |
parent | eea28b07cf25d5c79f8edeb8bef5e0483b489425 (diff) | |
download | rails-b8bb54af7ff6652327d99f6a7cf5c96a3f3f876d.tar.gz rails-b8bb54af7ff6652327d99f6a7cf5c96a3f3f876d.tar.bz2 rails-b8bb54af7ff6652327d99f6a7cf5c96a3f3f876d.zip |
defines Module#anonymous?
3 files changed, 35 insertions, 1 deletions
diff --git a/activesupport/lib/active_support/core_ext/module.rb b/activesupport/lib/active_support/core_ext/module.rb index 41600929f4..c907445d90 100644 --- a/activesupport/lib/active_support/core_ext/module.rb +++ b/activesupport/lib/active_support/core_ext/module.rb @@ -1,6 +1,6 @@ require 'active_support/core_ext/module/aliasing' require 'active_support/core_ext/module/introspection' - +require 'active_support/core_ext/module/anonymous' require 'active_support/core_ext/module/attribute_accessors' require 'active_support/core_ext/module/attr_internal' require 'active_support/core_ext/module/attr_accessor_with_default' diff --git a/activesupport/lib/active_support/core_ext/module/anonymous.rb b/activesupport/lib/active_support/core_ext/module/anonymous.rb new file mode 100644 index 0000000000..60d7d9410b --- /dev/null +++ b/activesupport/lib/active_support/core_ext/module/anonymous.rb @@ -0,0 +1,20 @@ +class Module + # A module may or may not have a name. + # + # module M; end + # M.name # => "M" + # + # m = Module.new + # m.name # => "" + # + # A module gets a name when it is first assigned to a constant. Either + # via the +module+ or +class+ keyword or by an explicit assignment: + # + # m = Module.new # creates an anonymous module + # M = m # => m gets a name here as a side-effect + # m.name # => "M" + # + def anonymous? + name == '' + end +end diff --git a/activesupport/test/core_ext/module/anonymous_test.rb b/activesupport/test/core_ext/module/anonymous_test.rb new file mode 100644 index 0000000000..7a78a3b012 --- /dev/null +++ b/activesupport/test/core_ext/module/anonymous_test.rb @@ -0,0 +1,14 @@ +require 'abstract_unit' +require 'active_support/core_ext/module/anonymous' + +class AnonymousTest < ActiveSupport::TestCase + test "an anonymous class or module are anonymous" do + assert Module.new.anonymous? + assert Class.new.anonymous? + end + + test "a named class or module are not anonymous" do + assert !Kernel.anonymous? + assert !Object.anonymous? + end +end
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