require_relative '../../spec_helper' require_relative 'fixtures/classes' describe "Module#included" do it "is invoked when self is included in another module or class" do begin m = Module.new do def self.included(o) $included_by = o end end c = Class.new { include m } $included_by.should == c ensure $included_by = nil end end it "allows extending self with the object into which it is being included" do m = Module.new do def self.included(o) o.extend(self) end def test :passed end end c = Class.new{ include(m) } c.test.should == :passed end it "is private in its default implementation" do Module.should have_private_instance_method(:included) end it "works with super using a singleton class" do ModuleSpecs::SingletonOnModuleCase::Bar.include ModuleSpecs::SingletonOnModuleCase::Foo ModuleSpecs::SingletonOnModuleCase::Bar.included_called?.should == true end end