require 'spec_helper' describe Grape::Exceptions::Validation do it 'fails when params are missing' do expect { Grape::Exceptions::Validation.new(message: 'presence') }.to raise_error(RuntimeError, 'Params are missing:') end context 'when message is a symbol' do it 'stores message_key' do expect(Grape::Exceptions::Validation.new(params: ['id'], message: :presence).message_key).to eq(:presence) end end context 'when message is a String' do it 'does not store the message_key' do expect(Grape::Exceptions::Validation.new(params: ['id'], message: 'presence').message_key).to eq(nil) end end end