与法拉第和Rspec存根 [英] Stubbing with Faraday and Rspec

问题描述

我有一个看起来像这样的模型:

I have a model that looks like this:

class Gist
    def self.create(options)
    post_response = Faraday.post do |request|
      request.url 'https://api.github.com/gists'
      request.headers['Authorization'] = "Basic " + Base64.encode64("#{GITHUB_USERNAME}:#{GITHUB_PASSWORD}")
      request.body = options.to_json
    end
  end
end

和如下所示的测试:

require 'spec_helper'

describe Gist do
  context '.create' do
    it 'POSTs a new Gist to the user\'s account' do
      Faraday.should_receive(:post)
      Gist.create({:public => 'true',
                   :description => 'a test gist',
                   'files' => {'test_file.rb' => 'puts "hello world!"'}})
    end
  end
end

不过，此测试并不能真正让我满意，因为我所测试的只是我正在用Faraday进行一些POST，但由于它们是URL，标头或正文，因此我实际上无法对其进行测试用块传递.我尝试使用法拉第测试适配器，但也没有任何方法可以测试URL，标头或正文.

This test doesn't really satisfy me, though, as all I'm testing is that I'm making some POST with Faraday, but I can't actually test the URL, headers, or body, since they're passed in with a block. I tried to use the Faraday test adaptor, but I don't see any way of testing the URL, headers, or body with that, either.

是否有更好的方式编写Rspec存根?还是我可以以某种我无法理解的方式使用法拉第测试适配器?

Is there a better way to write my Rspec stub? Or am I able to use the Faraday test adaptor in some way I haven't been able to make sense of?

谢谢！

推荐答案

在您的代码中:

Faraday.post do |req|
  req.body = "hello world"
  req.url = "http://example.com/"
end

Faraday.get do |req|
  req.url = "http://example.com/"
  req.params['a'] = 1
  req.params['b'] = 2
end

在RSpec文件中:

stub = stub_request(:post, "example.com")
  .with(body: "hello world", status: 200)
  .to_return(body: "a response to post")
expect(stub).to have_been_requested

expect(
  a_request(:get, "example.com")
    .with(query: { a: 1, b: 2 })
).to have_been_made.once

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