free_mutant/spec/unit/mutant/actor/binding_spec.rb
2015-11-15 20:16:42 +00:00

32 lines
1.4 KiB
Ruby

RSpec.describe Mutant::Actor::Binding do
let(:actor_a) { instance_double(Mutant::Actor::Mailbox, sender: sender_a, receiver: receiver_a) }
let(:sender_a) { instance_double(Mutant::Actor::Sender) }
let(:sender_b) { instance_double(Mutant::Actor::Sender) }
let(:receiver_a) { instance_double(Mutant::Actor::Receiver) }
let(:payload) { instance_double(Object) }
let(:type) { instance_double(Symbol) }
let(:object) { described_class.new(actor_a, sender_b) }
describe '#call' do
subject { object.call(type) }
before do
expect(sender_b).to receive(:call).with(message(type, sender_a)).ordered
expect(receiver_a).to receive(:call).ordered.and_return(message(response_type, payload))
end
context 'when return type equals request type' do
let(:response_type) { type }
it { should be(payload) }
end
context 'when return type NOT equals request type' do
let(:response_type) { double('Other Type') }
it 'raises error' do
expect { subject }.to raise_error(Mutant::Actor::ProtocolError, "Expected #{type} but got #{response_type}")
end
end
end
end