1.rb

describe "Channels Api Controller" do

  it "should get all channels from api" do

    stub_requested = stub_request(:get, channels_api_url).
      with(body: { credentials: credentials }).
      to_return(status: 200, body: load_fixture('channels.json'), headers: {})

    channels_api_controller = app.controller('api/channels_controller')
    channels_api_controller.all_channels.on_complete do |models|
      @models = models
    end

    run_requests
    
    expect(@models.first)to be_instance_of(Channel)

    assert_requested stub_requested
  end
end