require File.dirname(__FILE__) + '/../test_helper' 

class UserTest < Test::Unit::TestCase 
  fixtures :users 
  
  def setup 
    @valid_user = users(:valid_user) 
    @invalid_user = users(:invalid_user) 
  end
  
  # This user should be valid by construction. 
  def test_user_validity 
    assert users(:valid_user).valid? 
  end 

  # This user should be invalid by construction. 
  def test_user_invalidity 
    assert !@invalid_user.valid? 
    attributes = [:screen_name, :email, :password] 
    attributes.each do |attribute| 
      assert @invalid_user.errors.invalid?(attribute) 
    end 
  end 
  
  # One test that checks the uniqueness of both screen name and email
  def test_uniqueness_of_screen_name_and_email 
    user_repeat = User.new(:screen_name => @valid_user.screen_name, 
                           :email => @valid_user.email, 
                           :password => @valid_user.password) 
    assert !user_repeat.valid? 
    assert_equal "has already been taken", user_repeat.errors.on(:screen_name) 
    assert_equal "has already been taken", user_repeat.errors.on(:email) 
  end
end