A sample user spec for Fernando / Dallas.rb

user_spec.rb

describe User do
  it { should validate_presence_of :email }

  describe :full_name do
    subject { User.new(:email => "[email protected]") }

    context "when first and last name are present" do
      before { subject.first_name, subject.last_name = "Jeff", "Iacono" } 
      its(:full_name) { should eq("Jeff Iacono") }
    end

    context "when only first name is present" do
      before { subject.first_name = "Jeff" } 
      its(:full_name) { should eq("Jeff") }
    end

    context "when only last name is present" do
      before { subject.last_name = "Iacono" } 
      its(:full_name) { should eq("Iacono") }
    end

    context "when first and last are not present" do
      its(:full_name) { should eq("[email protected]") }
    end
  end
end