diff --git a/lib/pinchflat/downloading/download_option_builder.ex b/lib/pinchflat/downloading/download_option_builder.ex
index b6a71df..1b927b9 100644
--- a/lib/pinchflat/downloading/download_option_builder.ex
+++ b/lib/pinchflat/downloading/download_option_builder.ex
@@ -34,7 +34,7 @@ defmodule Pinchflat.Downloading.DownloadOptionBuilder do
 
   @doc """
   Builds the output path for yt-dlp to download media based on the given source's
-  media profile. Uses the source's override output path template if it exists.
+  or media_item's media profile. Uses the source's override output path template if it exists.
 
   Accepts a %MediaItem{} or %Source{} struct. If a %Source{} struct is passed, it
   will use a default %MediaItem{} struct with the given source.
@@ -51,7 +51,13 @@ defmodule Pinchflat.Downloading.DownloadOptionBuilder do
     build_output_path(output_path_template, media_item_with_preloads)
   end
 
-  # TODO: test
+  @doc """
+  Builds the quality options for yt-dlp to download media based on the given source's
+  or media_item's media profile. Useful for helping predict final filepath of downloaded
+  media.
+
+  returns [Keyword.t()]
+  """
   def build_quality_options_for(%Source{} = source_with_preloads) do
     build_quality_options_for(%MediaItem{source: source_with_preloads})
   end
diff --git a/lib/pinchflat/fast_indexing/fast_indexing_helpers.ex b/lib/pinchflat/fast_indexing/fast_indexing_helpers.ex
index c4a26e8..9daeda1 100644
--- a/lib/pinchflat/fast_indexing/fast_indexing_helpers.ex
+++ b/lib/pinchflat/fast_indexing/fast_indexing_helpers.ex
@@ -72,7 +72,7 @@ defmodule Pinchflat.FastIndexing.FastIndexingHelpers do
 
   defp create_media_item_from_media_id(source, media_id) do
     url = "https://www.youtube.com/watch?v=#{media_id}"
-    # TODO: test
+
     command_opts =
       [output: DownloadOptionBuilder.build_output_path_for(source)] ++
         DownloadOptionBuilder.build_quality_options_for(source)
diff --git a/lib/pinchflat/slow_indexing/slow_indexing_helpers.ex b/lib/pinchflat/slow_indexing/slow_indexing_helpers.ex
index 06d84d0..74e5f4c 100644
--- a/lib/pinchflat/slow_indexing/slow_indexing_helpers.ex
+++ b/lib/pinchflat/slow_indexing/slow_indexing_helpers.ex
@@ -99,7 +99,6 @@ defmodule Pinchflat.SlowIndexing.SlowIndexingHelpers do
 
     handler = fn filepath -> setup_file_follower_watcher(pid, filepath, source) end
 
-    # TODO: test
     command_opts =
       [output: DownloadOptionBuilder.build_output_path_for(source)] ++
         DownloadOptionBuilder.build_quality_options_for(source)
diff --git a/test/pinchflat/downloading/download_option_builder_test.exs b/test/pinchflat/downloading/download_option_builder_test.exs
index 98aff6f..97ad118 100644
--- a/test/pinchflat/downloading/download_option_builder_test.exs
+++ b/test/pinchflat/downloading/download_option_builder_test.exs
@@ -461,6 +461,22 @@ defmodule Pinchflat.Downloading.DownloadOptionBuilderTest do
     end
   end
 
+  describe "build_quality_options_for/1" do
+    test "builds quality options for a media item", %{media_item: media_item} do
+      options = DownloadOptionBuilder.build_quality_options_for(media_item)
+
+      assert {:format_sort, "res:1080,+codec:avc:m4a"} in options
+      assert {:remux_video, "mp4"} in options
+    end
+
+    test "builds quality options for a source", %{media_item: media_item} do
+      options = DownloadOptionBuilder.build_quality_options_for(media_item.source)
+
+      assert {:format_sort, "res:1080,+codec:avc:m4a"} in options
+      assert {:remux_video, "mp4"} in options
+    end
+  end
+
   defp update_media_profile_attribute(media_item_with_preloads, attrs) do
     media_item_with_preloads.source.media_profile
     |> Profiles.change_media_profile(attrs)
diff --git a/test/pinchflat/fast_indexing/fast_indexing_helpers_test.exs b/test/pinchflat/fast_indexing/fast_indexing_helpers_test.exs
index d2620f6..5422018 100644
--- a/test/pinchflat/fast_indexing/fast_indexing_helpers_test.exs
+++ b/test/pinchflat/fast_indexing/fast_indexing_helpers_test.exs
@@ -61,6 +61,18 @@ defmodule Pinchflat.FastIndexing.FastIndexingHelpersTest do
       assert [_] = Tasks.list_tasks_for(media_item, "MediaDownloadWorker")
     end
 
+    test "passes the source's download options to the yt-dlp runner", %{source: source} do
+      expect(HTTPClientMock, :get, fn _url -> {:ok, "<yt:videoId>test_1</yt:videoId>"} end)
+
+      expect(YtDlpRunnerMock, :run, fn _url, opts, _ot, _addl_opts ->
+        assert {:output, "/tmp/test/media/%(title)S.%(ext)S"} in opts
+        assert {:remux_video, "mp4"} in opts
+        {:ok, media_attributes_return_fixture()}
+      end)
+
+      FastIndexingHelpers.kickoff_download_tasks_from_youtube_rss_feed(source)
+    end
+
     test "sets use_cookies if the source uses cookies" do
       expect(HTTPClientMock, :get, fn _url -> {:ok, "<yt:videoId>test_1</yt:videoId>"} end)
 
diff --git a/test/pinchflat/slow_indexing/slow_indexing_helpers_test.exs b/test/pinchflat/slow_indexing/slow_indexing_helpers_test.exs
index a4650e8..36abcd7 100644
--- a/test/pinchflat/slow_indexing/slow_indexing_helpers_test.exs
+++ b/test/pinchflat/slow_indexing/slow_indexing_helpers_test.exs
@@ -202,6 +202,16 @@ defmodule Pinchflat.SlowIndexing.SlowIndexingHelpersTest do
       assert %Ecto.Changeset{} = changeset
     end
 
+    test "passes the source's download options to the yt-dlp runner", %{source: source} do
+      expect(YtDlpRunnerMock, :run, fn _url, opts, _ot, _addl_opts ->
+        assert {:output, "/tmp/test/media/%(title)S.%(ext)S"} in opts
+        assert {:remux_video, "mp4"} in opts
+        {:ok, source_attributes_return_fixture()}
+      end)
+
+      SlowIndexingHelpers.index_and_enqueue_download_for_media_items(source)
+    end
+
     test "sets use_cookies if the source uses cookies" do
       expect(YtDlpRunnerMock, :run, fn _url, _opts, _ot, addl_opts ->
         assert {:use_cookies, true} in addl_opts