FIX: Support pausing GIFs for giphy/tenor oneboxes (#13194)

spec/lib/onebox/engine/animated_image_onebox_spec.rb

@@ -0,0 +1,31 @@
+# frozen_string_literal: true
+
+require "rails_helper"
+
+describe Onebox::Engine::AnimatedImageOnebox do
+  let(:giphy) { "http://gph.is/15bRbWf" }
+  let(:tenor) { "https://tenor.com/bb3fQ.gif" }
+
+  before do
+    @previous_options = Onebox.options.to_h
+    Onebox.options = { redirect_limit: 0 }
+    stub_request(:get, giphy).to_return(status: 200, body: onebox_response("giphy"))
+    stub_request(:get, tenor).to_return(status: 200, body: onebox_response("tenor"))
+  end
+
+  after do
+    Onebox.options = @previous_options
+  end
+
+  it "works for giphy short URLs" do
+    html = described_class.new(giphy).to_html
+    expect(html).to include("img")
+    expect(html).to include("class='animated onebox'")
+  end
+
+  it "works for tenor URLs" do
+    html = described_class.new(tenor).to_html
+    expect(html).to include("img")
+    expect(html).to include("class='animated onebox'")
+  end
+end