let_lazy_load_example.rb

describe "an email" do
  it { should validate_presence_of :recipients }
  it { should validate_presence_of :sender }

  let(:recipient) { Factory.build(:user) }
  let(:sender) { Factory.build(:sender) }
  subject { Factory.build(:email, :recipients => [recipient], :sender => sender) }

  describe "that is sent" do
    subject { Factory.build(:sent_email, :recipients => [recipient]) }

    its(:sent_at) { should_not be_nil }
  end

  describe "that is pending" do
    subject { Factory.build(:pending_email, :recipients => [recipient]) }

    its(:sent_at) { should be_nil }
  end

  describe "that has an invalid recipient" do
    let(:recipient) { Factory.build(:user, :email => "something_invalid") }

    it { should_not be_valid }
  end

  describe "that has an invalid sender" do
    let(:sender) { Factory.build(:user, :email => "something_invalid") }
    
    it { should_not be_valid }
  end
end