discourse/spec/controllers/onebox_controller_spec.rb

require 'spec_helper'

describe OneboxController do

  let(:url) { "http://google.com" }

  it 'invalidates the cache if refresh is passed' do
    Oneboxer.expects(:invalidate).with(url)
    xhr :get, :show, url: url, refresh: true
  end

  describe "found onebox" do

    let(:body) { "this is the onebox body"}

    before do
      Oneboxer.expects(:preview).with(url).returns(body)
      xhr :get, :show, url: url
    end

    it 'returns success' do
      response.should be_success
    end

    it 'returns the onebox response in the body' do
      response.body.should == body
    end

  end

  describe "missing onebox" do

    it "returns 404 if the onebox is nil" do
      Oneboxer.expects(:preview).with(url).returns(nil)
      xhr :get, :show, url: url
      response.response_code.should == 404
    end

    it "returns 404 if the onebox is an empty string" do
      Oneboxer.expects(:preview).with(url).returns(" \t ")
      xhr :get, :show, url: url
      response.response_code.should == 404
    end

  end

end