require 'spec_helper' describe Hashie::Extensions::Mash::SafeAssignment do class MashWithSafeAssignment < Hashie::Mash include Hashie::Extensions::Mash::SafeAssignment end context 'when included in Mash' do subject { MashWithSafeAssignment.new } context 'when attempting to override a method' do it 'raises an error' do expect { subject.zip = 'Test' }.to raise_error(ArgumentError) end end context 'when setting as a hash key' do it 'still raises if conflicts with a method' do expect { subject[:zip] = 'Test' }.to raise_error(ArgumentError) end end end end