require "spec_helper" describe Onebox::Engine::SlidesOnebox do let(:link) { "http://slides.com/drksephy/ecmascript-2015" } let(:html) { described_class.new(link).to_html } before do fake(link, response("slides")) end describe "#placeholder_html" do it "returns an image as the placeholder" do expect(Onebox.preview(link) .placeholder_html).to include("//s3.amazonaws.com/media-p.slid.es/thumbnails/secure/cff7c3/decks.jpg") end end describe "#to_html" do it "returns iframe embed" do expect(html).to include(URI(link).path) expect(html).to include("iframe") end end end