RubyonRails——如何在rspec测试中访问示例变量

mf98qq94 于 2021-09-29 发布在 Java

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如何访问 pic 在我的rspec测试中？我不断得到以下错误：

F
Failures:
  1) TrelloToAc::Card#pic return pic url from trello card
     Failure/Error: expect(result).to be_a String
       expected :pic to be a kind of String
     # ./spec/services/trello_to_ac/card_spec.rb:17:in `block (3 levels) in <top (required)>'
Finished in 1.97 seconds (files took 13.5 seconds to load)
1 example, 1 failure
Failed examples:
rspec ./spec/services/trello_to_ac/card_spec.rb:14 # TrelloToAc::Card#pic return pic url from trello card

这似乎需要时间 pic 字面上，就像一根绳子。这是我的密码：
测试：

require 'rails_helper'
RSpec.describe TrelloToAc::Card do
  describe '#pic' do
    it 'return pic url from trello card' do
      result = @pic
      puts result
      expect(result).to be_a String
    end
  end
end

正在测试的代码：

class TrelloToAc::Card
  #
  #
  def pic
    @pic ||= card.attachments.last.url if card.attachments.any?
  end
  #
  #
end

ruby-on-rails ruby rspec rspec-rails

来源：https://stackoverflow.com/questions/68459029/how-to-access-instance-variables-in-rspec-tests

1条答案

按热度按时间

8yoxcaq71#

这就是我最终解决这个问题的原因。我认为这与我的一些评论者所说的更为接近。这还提供了有关 pic 测试：

require 'rails_helper'
RSpec.describe TrelloToAc::Card do
  let(:trello_card) do
    cassette = 'trello_to_ac/cards/get'
    VCR.use_cassette(cassette, match_requests_on: [:method]) do
      Trello::Card.find 'itZmoIG4'
    end
  end
  let(:email_sent_label) do
    cassette = 'trello_to_ac/labels/get'
    VCR.use_cassette(cassette, match_requests_on: [:method]) do
      Trello::Label.find '60db99d5230c123a1ab808d0'
    end
  end
  let(:trello_to_ac_card) do
    TrelloToAc::Card.new(trello_card, 32188, 147, email_sent_label)
  end
  describe '#pic' do
    it 'returns pic url from trello card' do
      cassette = 'trello_to_ac/attachments/get'
      result = VCR.use_cassette(cassette, match_requests_on: [:method]) do
        trello_to_ac_card.pic
      end
      expect(result).to be_a String
    end
  end
end

实际代码：

class TrelloToAc::Card
  attr_reader(
    :card, :order_number, :list_ac_campaign_id, :email_sent_label
  )
  def initialize(card, order_number, list_ac_campaign_id, email_sent_label)
    @card = card
    @order_number = order_number
    @list_ac_campaign_id = list_ac_campaign_id
    @email_sent_label = email_sent_label
  end
  def send_email_if_needed
    #
    #
    attach_trello_pic_to_ac_contact if pic
    #
    #
  end
  def pic
    @pic ||= card.attachments.last.url if card.attachments.any?
  end
end

这样，我测试的是类的一个示例，而不是示例变量。我对其他方法也有类似的测试。

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RubyonRails——如何在rspec测试中访问示例变量

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