require "spec_helper" describe Mongoid::Errors::ReadonlyDocument do describe "#message" do let(:error) do described_class.new(Band) end it "contains the problem in the message" do expect(error.message).to include( "Attempted to persist the readonly document 'Band'." ) end it "contains the summary in the message" do expect(error.message).to include( "Documents loaded from the database using #only" ) end it "contains the resolution in the message" do expect(error.message).to include( "Don't attempt to persist documents that are flagged as readonly." ) end end end