require 'spec_helper'
require 'shared_examples_for_endpoints'
module Fizzy
  module Api
    module Endpoints
      describe CalculateOutcome do
        let(:dossier_id) { '123' }
        let(:protocol_subscription_id) { 'abc' }
        let(:response) { httparty_response('body') }
        let(:session)  { FactoryGirl.build :basic_auth_session }

        it_behaves_like 'an endpoint'

        before do
          allow(Sessions::BasicAuthSession).to receive(:new).and_return session
          allow(session).to receive(:post).and_return nil
        end

        it 'should call the correct url' do
          expect(session).to receive(:post)
            .with("/dossier/#{dossier_id}/protocol_subscriptions/#{protocol_subscription_id}/calculate")
            .and_return(response)

          described_class.run! dossier_id: dossier_id,
                               protocol_subscription_id: protocol_subscription_id
        end

        describe 'error handling' do
          it 'should notice a 404' do
            allow(response).to receive(:code).and_return 404
            expect(session).to receive(:post)
              .with('/dossier/fake/protocol_subscriptions/fake/calculate')
              .and_return(response)
            outcome = lambda do
              described_class.run! dossier_id: 'fake',
                                   protocol_subscription_id: 'fake'
            end
            expect { outcome.call }.to raise_error(Errors::GraphNotFoundError)
          end

          it 'should fail a 500 with an UnexpectedStatusError' do
            allow(response).to receive(:code).and_return 500
            expect(session).to receive(:post)
              .with('/dossier/fake/protocol_subscriptions/fake/calculate')
              .and_return(response)
            outcome = lambda do
              described_class.run! dossier_id: 'fake',
                                   protocol_subscription_id: 'fake'
            end
            expect { outcome.call }.to raise_error(Errors::UnexpectedStatusError)
          end
        end
      end
    end
  end
end