```ruby
require 'spec_helper'

describe 'videos/index.html.haml' do
  let(:videos) { [double('Video', :file_name => 'file_name')] }

  it 'displays all videos' do
    view.should_receive(:videos).once.and_return(videos)

    render

    rendered.should have_selector 'li', :count => 1
  end
end
```

Update videos/index spec to handle a lack of videos
user
```ruby
require 'spec_helper'

describe 'videos/index.html.haml' do
  context 'with a video' do
    let(:videos) { [double('Video', :file_name => 'file_name')] }

    it 'displays all videos' do
      view.should_receive(:videos).once.and_return(videos)
      render
      rendered.should have_selector 'li', :count => 1
    end
  end

  context 'without videos' do
    let(:videos) { [] }

    it "doesn't display videos" do
      view.should_receive(:videos).once.and_return(videos)
      render
      rendered.should_not have_selector 'li'
    end
  end
end
```
assistant