连接失败的 Webmock 测试在完成测试之前失败

Question

我已测试连接错误：

context 'unsuccessful API request' do
  it 'responds like 500 if connection error is raised' do
    http_stub = instance_double(Net::HTTP)
    allow(Net::HTTP).to receive(:new).and_return(http_stub)
    allow(http_stub).to receive(:request).and_raise(Errno::ECONNREFUSED)

    api_client = ApiClient.new

    api_client.create_implementer('Wayfarer')

    expect(api_client.response_status).to eq(500)
    expect(api_client.response_body).to eq({ issue' => [{ 'details' => { 'text' => 'Connection error' }}]})
  end
end

当我运行它时，它像预期的那样失败了，但是在方法而不是测试中失败了，所以失败的测试失败了：

Failure/Error: response = http.request(request)
     
Errno::ECONNREFUSED:
  Connection refused

哪个是正确的错误，但它在方法中失败了：

  def http_request(request, uri)
    http = Net::HTTP.new(uri.host, uri.port)

    response = http.request(request)
    @response_status = response.code.to_i

    if response_successful?
      @response_body = parsed_response(response)
    else
      @response_body = response.body rescue Errno::ECONNREFUSED
      connection_error
    end
  end

问题是它在 http_request 方法的中间停止在 response = http.request(request) 行。它没有跟进错误处理。

如果我在该行后面放一个 binding.pry，它就不会到达，该方法就会失败。

Answer 1

您需要 expect the error to be raised 在您的规范中

 expect { api_client.create_implementer('Wayfarer') }.to raise_error(Errno::ECONNREFUSED)

连接失败的 Webmock 测试在完成测试之前失败

Webmock test for failure to connect fails before finishing test

ruby-on-rails

webmock

ruby-on-rails-6