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我的大部分测试都在工作，但由于某种原因 FactoryGirl.build ... should_not be_valid 在此语句的末尾不起作用

describe "exceed the maximum number of subscriptions" do 
  @user = FactoryGirl.create(:user)
  loop_count = GlobalVar::MAX_SUBSCRIPTIONS
  loop_count.times do 
    @topic = FactoryGirl.create(:topic)
    @subscription = FactoryGirl.create(:subscription, topic: @topic, user: @user)
  end
  @topic = FactoryGirl.create(:topic)
  FactoryGirl.build(:subscription, topic: @topic, user: @user).should_not be_valid
end

在同一规范中，这成功通过：

it "has a maximum length bio" do 
    FactoryGirl.build(:user, bio: "a"*251).should_not be_valid
end

这是我得到的错误的开始：

(druby://192.168.1.118:53053) C:/Sites/mavens/spec/models/user_spec.rb:42:in `block (3 levels) in <top (required)>': undefined local variable or method `be_valid' for #<Class:0x7e49290> (NameError)
    from (druby://192.168.1.118:53053) C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rspec-core-2.11.1/lib/rspec/core/example_group.rb:238:in `module_eval'

我正在使用 Spork 和 Guard 进行测试。每次运行时，我都在 spec_helper 中重新加载了 FactoryGirl。已重新启动 spork 几次，但它在重新启动时不起作用。让我知道我的任何附加代码是否会有所帮助，并且一如既往地感谢您的帮助！

4

1 回答 1

1

您需要将测试放在it块内：

describe "exceed the maximum number of subscriptions" do 
  it do
    user = FactoryGirl.build(:user)
    GlobalVar::MAX_SUBSCRIPTIONS.times do
      topic = FactoryGirl.build(:topic)
      FactoryGirl.build(:subscription, topic: topic, user: user)
    end
    topic = FactoryGirl.build(:topic)
    FactoryGirl.build(:subscription, topic: topic, user: user).should_not be_valid
  end
end

这是由于 RSpec 如何处理 DSL 的上下文。

于 2013-06-16T15:59:48.440 回答