describe GoodData::LCM2::UserBricksHelper do
  subject { GoodData::LCM2::UserBricksHelper.resolve_client_id(domain, project, data_product) }
  let(:domain) { double('domain') }
  let(:project) { double('project') }
  let(:data_product) { double('data_product') }
  let(:project_uri) { '/gdc/projects/fooooo' }
  let(:clients) { [client] }
  let(:client) { double('client') }
  let(:client_id) { 'bar' }
  let(:project_id) { 'baz' }

  before do
    allow(project).to receive(:metadata).and_return(metadata)
    allow(project).to receive(:uri).and_return(project_uri)
    allow(domain).to receive(:clients).and_return(clients)
    allow(client).to receive(:project_uri).and_return(project_uri)
    allow(client).to receive(:id).and_return(client_id)
    allow(project).to receive(:id).and_return(project_id)
    allow(project).to receive(:pid).and_return(project_id)
  end
  shared_examples_for 'a client id resolver' do
    context 'when client matches specified project url' do
      it 'returns client id' do
        expect(subject).to eq(client_id)
      end
    end
  end

  describe '.resolve_client_id' do
    context 'when GOODOT_CUSTOM_PROJECT_ID specified' do
      let(:metadata) { { 'GOODOT_CUSTOM_PROJECT_ID' => client_id } }
      it_behaves_like 'a client id resolver'

      context 'when goodot id does not match client id' do
        before { allow(client).to receive(:id).and_return('different_id') }
        it 'raises an error' do
          expect { subject }.to raise_error(/doesn't match client id/)
        end
      end
    end

    context 'when GOODOT_CUSTOM_PROJECT_ID not specified' do
      let(:metadata) { { 'GOODOT_CUSTOM_PROJECT_ID' => nil } }
      it_behaves_like 'a client id resolver'

      context 'when no client matches project url' do
        before do
          allow(client).to receive(:project_uri).and_return('different/uri')
        end

        it 'raises an error' do
          expected = /does not contain key GOODOT_CUSTOM_PROJECT_ID/
          expect { subject }.to raise_error(expected)
        end
      end
    end
  end
end