module Wisper
  describe Configuration do
    describe 'broadcasters' do
      let(:broadcaster) { double }
      let(:key)         { :default }

      it '#broadcasters returns empty collection' do
        expect(subject.broadcasters).to be_empty
      end

      describe '#broadcaster' do
        it 'adds given broadcaster' do
          subject.broadcaster(key, broadcaster)
          expect(subject.broadcasters).to include key
          expect(subject.broadcasters[key]).to eql broadcaster
        end

        it 'returns the configuration' do
          expect(subject.broadcaster(key, broadcaster)).to eq subject
        end
      end
    end

    describe '#default_prefix=' do
      let(:prefix_class)  { ValueObjects::Prefix }
      let(:default_value) { double }

      before { allow(prefix_class).to receive(:default=) }

      it 'sets the default value for prefixes' do
        expect(prefix_class).to receive(:default=).with(default_value)
        subject.default_prefix = default_value
      end
    end
  end
end