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

require 'rails_helper'

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

  describe "#index" do
    let!(:server) { create :server, :active }
    let!(:inactive_server) { create :server, :inactive }

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