应该/RSpec:确保验证消息“xxx"在 :base [英] Shoulda/RSpec: Make sure that validation message "xxx" is on :base

问题描述

我仍然很困惑it { should have(1).error_on(:base) } 之类的东西背后的魔法是什么，以及什么是特定的 Shoulda 匹配器.

I'm still pretty confused about what is magic behind stuff like it { should have(1).error_on(:base) } and what's a specific Shoulda matcher.

我想确保 :base 包含错误消息xxx"，那么我该怎么做?

I'd like to make sure that :base contains the error message "xxx", so how should I do this?

it "should contain error message 'xxx'" do
  contact.valid?
  contact.errors[:base].should include('xxx')
end

这是要走的路"，还是有更好的方法?谢谢.

Is this "the way to go", or is there a better one? Thanks.

推荐答案

好吧，看起来不错.内联 rspec 测试使用主题.你可以像这样重写你的测试:

Right, it's looking good. Inline rspec tests are using subject. You could rewrite your test like this:

describe 'my method' do
  before { contact.valid? }

  context 'contact is not valid' do
    subject { contact.errors[:base] }
    it { should include 'xxx' }
  end
end

在主题上调用 should 方法.有时它可能更具可读性.而且您不必为不言自明的规格编写描述;-)

The should method is called on the subject. It can be more readable sometimes. And you don't have to write descriptions for specs that are self-explanatory ;-)

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