test_sample.rb

require 'spec_helper'

describe User do
  
  it "should be invalid wihout name" do
    user = User.create(:name => nil)
    user.errors.should be_invalid(:name)
  end
  
  it "should have minimum 5 characteres" do
    user = User.create(:name => "ed")
    user.error.should be_invalid(:name)
  end
  
end