FactoryGirl测试失败 - 试图与自己建立联系

时间:2013-03-17 19:55:08

标签: ruby-on-rails-3.2 factory-bot rspec-rails

我正在尝试使用FactoryGirl创建一个自关联对象,用于测试一个简单的类别树。我已阅读FactoryGirl's Getting Started doc来设置关联,但仍有问题。我想测试一个对象有一个父对象和一个孩子(因为那是我的FactoryGirl定义中的设置,所以有一个孩子)。我对父母的测试通过,但未能测试孩子

错误消息

1) Category should have a child
   Failure/Error: category.children.count.should eq(1)

     expected: 1
          got: 0

RSPEC测试

it "should have a child" do
    category = FactoryGirl.build(:parent_category)

    category.should_not be_nil

    category.children.count.should eq(1)
end

it "should have a parent" do
    category = FactoryGirl.build(:child_category)

    category.should_not be_nil

    category.parent.should_not be_nil
end

父/子关系的模型设置(同一模型):

class Category < ActiveRecord::Base
  include ActiveModel::ForbiddenAttributesProtection

  belongs_to :parent, :class_name => 'Category'
  has_many :children, :class_name => 'Category', :foreign_key => 'parent_id', :dependent => :destroy

  attr_accessible :name, :parent_id

  validates :name, :presence => true

  before_validation :uppercase_name

  def uppercase_name
    self.name.upcase! unless self.name.nil?
  end
end

FACTORYGIRL设置:

FactoryGirl.define do
  factory :category do
    name "CATEGORY"

    factory :parent_category do
      name "PARENT"
      parent_id 0
      after(:create) do |pc, evaluator|
        FactoryGirl.create_list(:category, 1, parent: pc)
      end
    end

    factory :child_category do
      name "CHILD"
      association :parent, factory: :parent_category
    end

  end
end

2 个答案:

答案 0 :(得分:1)

我们最终使用closure_tree 因为awesome_nested_set的并发问题

答案 1 :(得分:0)

我发现了一种名为awesome_nested_set的有前途的宝石,它看起来非常干净。

另一个有趣的树宝石叫ancestry