Simple controller test

gistfile1.rb

...
describe "GET 'delete'" do
    before :each do
	    @upload = create(:upload)
	  end

	  it "deletes the upload" do
	    expect{
	      delete :destroy, id: @upload
	    }.to change(Upload, :count).by(-1)
	  end

	  it "redirects to upload#index" do
	    delete :destroy, id: @upload
	    response.should redirect_to admin_uploads_url
	  end
 end
 ...