Bootstrap the /api namespace

test/music_library_web/controllers/collection_controller_test.exs

@@ -0,0 +1,18 @@
+defmodule MusicLibraryWeb.CollectionControllerTest do
+  use MusicLibraryWeb.ConnCase
+
+  import MusicLibrary.RecordsFixtures
+
+  defp create_record(_) do
+    %{record: record_fixture()}
+  end
+
+  describe "GET /api/collection/latest" do
+    setup [:create_record]
+
+    test "it returns the latest record", %{conn: conn, record: record} do
+      conn = get(conn, ~p"/api/collection/latest")
+      assert json_response(conn, 200) == %{"title" => record.title}
+    end
+  end
+end