request-spec-example.rb

RSpec.describe 'Listing Events', type: :request do
  def response_data
    JSON.parse(response.body).deep_symbolize_keys
  end

  before(:context) do
    @breakfast_at_tiffanys = create(:event, name: "Breakfast at Tiffany's")
    @coffee_with_karl      = create(:event, name: 'Coffee with Karl')
    @mid_afternoon_nap     = create(:event, name: 'Mid Afternoon Siesta', important: true)
  end

  after(:context) do
    @breakfast_at_tiffanys.destroy
    @coffee_with_karl.destroy
    @mid_afternoon_nap.destroy
  end

  context 'listing all events' do
    before(:context) do
      params = {}
      get '/api/events', params
    end

    it 'returns a 200 with the correct schema' do
      expect(response.status).to eq 200
      expect(response).to match_response_schema('events-list')
    end

    it 'returns the correct events' do
      event_ids = response_data[:events].map { |event| event[:id] }

      expect(event_ids).to include @breakfast_at_tiffanys.id
      expect(event_ids).to include @coffee_with_karl.id
      expect(event_ids).to include @mid_afternoon_nap.id
    end
  end

  context 'listing important events' do
    before(:context) do
      params = { important: true }
      get '/api/events', params
    end

    it 'returns a 200 with the correct schema' do
      expect(response.status).to eq 200
      expect(response).to match_response_schema('events-list')
    end

    it 'returns the correct events' do
      event_ids = response_data[:events].map { |event| event[:id] }

      expect(event_ids).not_to include @breakfast_at_tiffanys.id
      expect(event_ids).not_to include @coffee_with_karl.id
      expect(event_ids).to     include @mid_afternoon_nap.id
    end
  end
end