通过 RSpec 发送自定义标头

问题描述：

鉴于我的 API 使用者需要发送这样的客户 HTTP 标头:

Given my API consumers are required to send a customer HTTP header like this:

# curl -H 'X-SomeHeader: 123' http://127.0.0.1:3000/api/api_call.json

然后我可以像这样在 before_filter 方法中读取这个标题:

Then I can read this header in a before_filter method like this:

# app/controllers/api_controller.rb
class ApiController < ApplicationController
    before_filter :log_request

private
    def log_request
        logger.debug "Header: #{request.env['HTTP_X_SOMEHEADER']}"
        ...
    end
end

到目前为止很棒.现在我想使用 RSpec 进行测试，因为行为发生了变化:

So far great. Now I would like to test this using RSpec as there is a change in behavior:

# spec/controllers/api_controller_spec.rb
describe ApiController do
    it "should process the header" do
        @request.env['HTTP_X_SOMEHEADER'] = '123'
        get :api_call
        ...
    end
end

但是，ApiController 中接收到的request 将无法找到头变量.

However, the request received in ApiController will not be able to find the header variable.

当使用 HTTP_ACCEPT_LANGUAGE 标头尝试 same code 时，它会起作用.是否在某处过滤了自定义标头?

When trying the same code with the HTTP_ACCEPT_LANGUAGE header, it will work. Are custom headers filtered somewhere?

PS:网络上的一些示例使用 request 而不是 @request.虽然我不确定在当前的 Rails 3.2/RSpec 2.14 组合中哪一个是正确的 - 这两种方法都不会触发正确的行为，但都可以与 HTTP_ACCEPT_LANGUAGE 一起使用.

PS: Some examples around the web use request instead of @request. While I'm not certain which one is correct as of the current Rails 3.2/RSpec 2.14 combination - both methods will not trigger the right behavior, BUT both work with HTTP_ACCEPT_LANGUAGE as well.

答

好吧，对于人们来说可能为时已晚，但只是为了排队:

well, maybe too late for people but just to be lined up:

it 'should get profile when authorized' do
  user = FactoryGirl.create :user
  request.headers[EMAIL_TOKEN] = user.email
  request.headers[AUTH_TOKEN] = user.authentication_token
  get :profile
  response.should be success
end

只需使用适当的设置调用 request.headers.

just call request.headers with appropriate settings.

通过 RSpec 发送自定义标头

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