Initial commit

spec/presenters/graphics_elements/graphics_elements_presenter_spec.rb

@@ -0,0 +1,21 @@
+require "rails_helper"
+
+module GraphicsElements
+  RSpec.describe GraphicsElementsPresenter do
+    describe "#present" do
+      describe "graphics_elements" do
+        it "returns graphics_elements sorted by appears_at" do
+          graphics_elements = [
+            build(:graphics_element, time_elapsed: 0),
+            build(:graphics_element, time_elapsed: 50),
+            build(:graphics_element, time_elapsed: 10),
+          ]
+
+          results = subject.present(graphics_elements).graphics_elements
+
+          expect(results.map(&:appears_at)).to eq ["00:00:00:00", "00:00:10:00", "00:00:50:00"]
+        end
+      end
+    end
+  end
+end