View Specs Real Example

index.json.rabl

if @grouped
  object @days

  node do |date|
    node(:changed) { date[:changed].format }
    node(:balance) { date[:balance].format }
    child date[:transactions] => :transactions do
      extends 'transactions/show'
    end
    node(:date) { date[:date] }
  end
else
  collection @transactions

  extends 'transactions/show'
end

index.json.rabl_spec.rb

require 'spec_helper'

describe "transactions/index" do
  let(:user) {mock_model(User, accounts: [account])}
  let(:account) { mock_model(Account, name: 'Test', balance: 0) }
  let(:transaction) {
    mock_model(Transaction, name: "test", amount: Money.new(1000))
  }
  let(:day) {
      {
          date: "2012-01-01",
          balance: Money.new(100),
          changed: Money.new(0),
          transactions: [
            transaction
          ]
        }
    }

  it "renders an array of transactions" do
    assign(:days, [day])
    assign(:transactions, [transaction])
    render
    JSON.parse(rendered).should be_an_instance_of Array
  end
  it "renders an array of days with transactions" do
    assign(:days, [day])
    assign(:transactions, [transaction])
    assign(:grouped, true)
    render
    JSON.parse(rendered).should be_an_instance_of Array
  end

end