prepare router to serve single page web app

test/myapp_web/controllers/page_controller_test.exs

@@ -0,0 +1,11 @@
+defmodule MyAppWeb.PageControllerTest do
+  use MyAppWeb.ConnCase, async: true
+
+  test "index.html should be cached" do
+    assert Cachex.get(:myapp, "index.html") == {:missing, nil}
+    conn = build_conn() |> get("/lsakdjfl")
+    {ok, _} = Cachex.get(:myapp, "index.html")
+    assert ok == :ok
+  end
+
+end