StatTest.rb

require File.dirname(__FILE__) + '/../test_helper' 
require 'mocha'
 
class StatTest < ActiveSupport::TestCase
  
  test "should belong to user" do
    assert_kind_of User, stats(:user_1).user
  end
 
  test "should add error on user when validating with nil user" do
    stat = build_stat(:user => nil)
    stat.valid?
    assert_not_nil stat.errors.on(:user_id)
  end
  
  test "should add error on user when validating with invalid user" do
    stat = build_stat
    User.any_instance.stubs(:valid?).returns(false)
    stat.valid?
    assert_not_nil stat.errors.on(:user)
  end
  
  test "should not add error on score_aspect when validating with a different score_aspect" do
    stat_1 = build_stat(:score_aspect => "aspect_B")
    stat_1.save!
    stat_2 = build_stat(:score_aspect => "aspect_A")
    stat_2.valid?
    assert_nil stat_2.errors.on(:score_aspect)
  end
  
  test "should add error on score_aspect when validating with the same score_aspect" do
    stat_1 = build_stat(:score_aspect => "aspect_A")
    stat_1.save!
    stat_2 = build_stat(:score_aspect => "aspect_A")
    stat_2.valid?
    assert_not_nil stat_2.errors.on(:score_aspect)
  end
 
  test "should not add error on score_aspect when validating an updated stat" do
    stat = build_stat
    stat.save!
    stat.total_points = 50
    stat.valid?
    assert_nil stat.errors.on(:score_aspect)
  end
  
  test "should score_aspect be read only" do
    stat = build_stat(:score_aspect => "aspect_A")
    stat.save!
    stat.update_attribute(:score_aspect, "aspect_B")
    stat.reload
    assert_equal "aspect_A", stat.score_aspect
  end
 
  test "should user be read only" do
    stat = build_stat(:user => users(:user_1))
    stat.save!
    stat.update_attribute(:user, users(:user_2))
    stat.reload
    assert_equal users(:user_1), stat.user
  end
  
  private
  
  def build_stat(attributes={})
    Stat.new({:user => users(:user_1), :score_aspect => "aspect_A"}.
      merge(attributes))
  end
  
end