Question

我有一个API，我正在尝试编写一些规范，并使用VCR gem模拟出请求。我遇到的问题是，当API返回一个空体时，Ruby会将其解释为空字符串。但是，当我使用VCR生成卡带来模拟API请求时，它会返回nil。我可以轻松地围绕此编写代码，将请求修改回空字符串resp = '' if resp.nil?，或者在时间到来resp.nil? || resp.empty?或Active Supports #blank?时有条件地编写有关如何处理它的代码但是我宁愿不必编写代码来满足我的规范。

test_spec.rb

require 'net/http'
require 'vcr'
require 'syck'


def vcr_test
  uri_host = 'www.mocky.io'
  uri_port = 80
  route = '/v2/562e9e7f1100001236933b4b'
  http = Net::HTTP.new(uri_host, uri_port)
  resp = http.get(route)
  resp.body
end

VCR.configure do |c|
  c.cassette_library_dir = 'spec/support/vcr'
  c.hook_into :webmock
  c.configure_rspec_metadata!
  c.default_cassette_options = { :record => :once }
  c.allow_http_connections_when_no_cassette = false
  c.ignore_localhost = false
  c.ignore_hosts 'codeclimate.com'
end

context '#vcr_test' do
  it 'should not return nil' do
    VCR.use_cassette('vcr_test') do
      expect(vcr_test).to eq('')
    end
  end
end

vcr_test.yml

---

http_interactions: 
- request: 
    method: get
    uri: http://www.mocky.io/v2/562e9e7f1100001236933b4b
    body: 
      encoding: US-ASCII
      string: ""
    headers: 
      Accept-Encoding: 
      - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
      Accept: 
      - "*/*"
      User-Agent: 
      - Ruby
  response: 
    status: 
      code: 200
      message: OK
    headers: 
      Server: 
      - Cowboy
      Connection: 
      - close
      Content-Type: 
      - application/json; charset=utf-8
      Date: 
      - Mon, 26 Oct 2015 21:52:19 GMT
      Via: 
      - 1.1 vegur
    body: 
      encoding: UTF-8
      string: ""
    http_version: 
  recorded_at: Mon, 26 Oct 2015 21:52:19 GMT
recorded_with: VCR 2.9.3

录制录像带之前

$ rspec test_spec.rb

Finished in 0.3623 seconds (files took 0.44012 seconds to load)
1 example, 0 failures

记录录像带后

$ rspec test_spec.rb

Failures:

  1) #vcr_test should not return nil
     Failure/Error: expect(vcr_test).to eq('')

       expected: ""
            got: nil

       (compared using ==)
     # ./test_spec.rb:28:in `block (3 levels) in <top (required)>'
     # ./test_spec.rb:27:in `block (2 levels) in <top (required)>'

Finished in 0.03411 seconds (files took 0.32761 seconds to load)
1 example, 1 failure

Failed examples:

rspec ./test_spec.rb:26 # #vcr_test should not return nil

如何让VCR复制空体的实际响应？

带有空体的VCR卡带返回nil而不是空字符串

0 个答案: