如何在 Rspec 请求中请求特定格式？-解网

问：

我的 Playgrounds 控制器的 get_children 方法呈现特定的 javascript 模板或 json 格式的数据：

# GET children from playground
def get_children
  @business_areas = @playground.business_areas.visible.order(:sort_code)

  respond_to do |format|
    format.json { render json: @business_areas }
    format.js # uses specific template to handle js
  end
end

使用 Rspec 测试请求此方法时，我收到以下错误消息：.在测试中，已预先创建了操场和单子业务区：ActionController::UnknownFormat

  describe "get_children - GET /playgrounds/:id/get_children" do
    it "renders a successful response" do
      get get_children_playground_url(playground)
      expect(response).to be_successful
    end

    it "renders the expected object" do
      get get_children_playground_url(playground)
      parsed_body = JSON.parse(response.body)
      expect(parsed_body[:name][:en]).to eq('Test Business Area')
    end
  end

四处阅读，我找到了一些参考资料，但我没有设法让它工作。request.accept = "application/json"

如何以及在何处设置方法调用的预期输出格式？

谢谢你的帮助！

PS：RSpec版本为3.12

Ruby-on-Rails rspec

describe "GET /playgrounds/:id/get_children" do
  it "renders an html response" do
    get get_children_playground_url(playground)
    expect(response.content_type).to eq "text/html; charset=utf-8"
  end

  it "renders a json response" do
    # NOTE: using Accept header
    # get get_children_playground_url(playground), headers: {Accept: "application/json"}
    # NOTE: using .json url extension
    get get_children_playground_url(playground, format: :json)
    expect(response.content_type).to eq "application/json; charset=utf-8"
  end

  it "renders a js response" do
    # get get_children_playground_url(playground), headers: {Accept: "text/javascript", HTTP_X_REQUESTED_WITH: "XMLHttpRequest"}
    # NOTE:         there is an option for all that ^                                    ^ this one is to avoid cross origin error
    get get_children_playground_url(playground), xhr: true
    expect(response.content_type).to eq "text/javascript; charset=utf-8"
  end 
end

...
    renders an html response
    renders a json response
    renders a js response

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3 examples, 0 failures

https://api.rubyonrails.org/classes/ActionDispatch/Integration/Session.html#method-i-process

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如何在 Rspec 请求中请求特定格式？

How to ask for a specific format in Rspec request?

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