require_relative '../../../spec_helper' require_relative '../fixtures/classes' describe "Delegator#method" do before :each do @simple = DelegateSpecs::Simple.new @delegate = DelegateSpecs::Delegator.new(@simple) end it "returns a method object for public methods of the delegate object" do m = @delegate.method(:pub) m.should be_an_instance_of(Method) m.call.should == :foo end it "raises a NameError for protected methods of the delegate object" do lambda { -> { @delegate.method(:prot) }.should complain(/delegator does not forward private method #prot/) }.should raise_error(NameError) end it "raises a NameError for a private methods of the delegate object" do lambda { -> { @delegate.method(:priv) }.should complain(/delegator does not forward private method #priv/) }.should raise_error(NameError) end it "returns a method object for public methods of the Delegator class" do m = @delegate.method(:extra) m.should be_an_instance_of(Method) m.call.should == :cheese end it "returns a method object for protected methods of the Delegator class" do m = @delegate.method(:extra_protected) m.should be_an_instance_of(Method) m.call.should == :baz end it "returns a method object for private methods of the Delegator class" do m = @delegate.method(:extra_private) m.should be_an_instance_of(Method) m.call.should == :bar end it "raises a NameError for an invalid method name" do lambda { @delegate.method(:invalid_and_silly_method_name) }.should raise_error(NameError) end it "returns a method that respond_to_missing?" do m = @delegate.method(:pub_too) m.should be_an_instance_of(Method) m.call.should == :pub_too end it "raises a NameError if method is no longer valid because object has changed" do m = @delegate.method(:pub) @delegate.__setobj__([1,2,3]) lambda { m.call }.should raise_error(NameError) end end