ensl.org/spec/controllers/api/v1/maps_controller_spec.rb

require 'rails_helper'

module Api
  module V1
  end
end

describe Api::V1::MapsController do
  before do
    request.accept = "application/json"
  end

  describe '#index' do
    let!(:map) { Map.new() }

    it "returns a list of maps" do
      get :index
      expect(response).to be_success
      expect(json["maps"].length).to eq(1)
      json_map = json["maps"][0]
      expect(json_map["id"]).to eq(map.id)
    end
  end
end