在 RSpec 单元测试期间剔除地址地理编码 [英] Stub out address geocoding during RSpec unit test

问题描述

我正在使用 geocoder gem 向我的 Active Record 模型类之一添加地理编码功能.这很好用，但我实际上并不希望在单元测试期间触发地理编码.

I'm using the geocoder gem to add geocoding functionality to one of my Active Record model classes. This works great, but I don't actually want the geocoding to fire during unit tests.

我已经尝试通过将其添加到我的 RSpec 测试来消除对地理编码的调用:

I've tried stubbing out the call to geocode by adding this to my RSpec test:

before(:each) 做
User.stub!(:geocode).and_return([1,1])结束

before(:each) do
User.stub!(:geocode).and_return([1,1]) end

但是，当我运行测试时，它似乎仍然在调用地理编码.我做错了什么?

However, when I run my tests it still appears to be calling out to geocode. What am I doing wrong?

仅供参考，如果我在实例级别存根(例如 some_user.stub！而不是 User.stub！)，这一切都有效.

FYI, this all works if I stub on the instance level (e.g. some_user.stub! instead of User.stub!).

推荐答案

如果你想在实例级别使用存根，你应该使用 RSpec 之外的其他模拟框架.例如，它是 mocha(将以下内容添加到 spec/spec_helper.rb):

If you want to use stubbing on the instance level, you should use other mocking framework than RSpec’s. It's mocha for example (add the following to spec/spec_helper.rb):

Spec::Runner.configure do |config|
  config.mock_with :mocha
end

http://rspec.info/documentation/mocks/other_frameworks.html

现在，您可以在测试中使用 any_instance:

Now, you can use any_instance in your tests:

before(:each) do
 User.any_instance.stub(:geocode).and_return([1,1]) 
end

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