Question

我的装饰师有问题：

class ReviewDecorator < Draper:Decorator
  delegate_all

  def author
    @author = User.find_by(review.user_id)
    "#{@author.firstname} #{@author.lastname}"
  end
end

每次我测试这个装饰器时，都会收到此错误：

ReviewDecorator＃author显示评论作者全名失败/错误：期待（review.author）。到eq＆＃39; John Doe＆＃39; NoMethodError：未定义的方法firstname' for nil:NilClass # ./app/decorators/review_decorator.rb:7:in作者＆＃39; ＃./spec/decorators/review_decorator_spec.rb:10:in块中的“块（3级）”

Rspec测试：

require 'spec_helper'

describe ReviewDecorator do

  let(:user) { build(:user, firstname: 'John', lastname: 'Doe') }
  let(:review) { described_class.new(build(:review, user: user)) }

  describe '#author' do
    it 'displays review author fullname' do
      expect(review.author).to eq 'John Doe'
    end
  end
end

我做错了什么？

Answer 1

根据您的测试文件，代码应该是这样的。

class ReviewDecorator < Draper:Decorator
  delegate_all

  def author
    "#{user.firstname} #{user.lastname}"
  end
end

装饰师为什么失败？

1 个答案: