ML-169.10.1: Add delete coverage

Cover current delete behavior across LiveView index and show paths, and strengthen existing delete tests with persistence assertions.\n\nValidation: mise run dev:precommit

test/music_library_web/live/collection_live/index_test.exs

@@ -127,6 +127,22 @@ defmodule MusicLibraryWeb.CollectionLive.IndexTest do
     end
   end
 
+  describe "Delete record" do
+    test "deletes a record from the listing", %{conn: conn} do
+      record = record(%{title: "Delete From Collection Index"})
+
+      conn
+      |> visit(~p"/collection")
+      |> assert_has("#records-#{record.id}")
+      |> click_link("#records-#{record.id} a[data-confirm='Are you sure?']", "Delete")
+      |> refute_has("#records-#{record.id}")
+
+      assert_raise Ecto.NoResultsError, fn ->
+        Records.get_record!(record.id)
+      end
+    end
+  end
+
   describe "Search and pagination" do
     setup [:fill_collection]
 

test/music_library_web/live/collection_live/show_test.exs

@@ -6,6 +6,7 @@ defmodule MusicLibraryWeb.CollectionLive.ShowTest do
 
   alias MusicBrainz.Fixtures
   alias MusicLibrary.Assets.Transform
+  alias MusicLibrary.Records
   alias MusicLibrary.Records.Record
   alias Phoenix.PubSub
 
@@ -69,6 +70,26 @@ defmodule MusicLibraryWeb.CollectionLive.ShowTest do
     end
   end
 
+  describe "Delete record" do
+    test "deletes the record and navigates back to collection", %{conn: conn} do
+      record = record()
+      release_response = Fixtures.Release.release(:marbles)
+
+      Req.Test.stub(MusicBrainz.API, fn conn ->
+        Req.Test.json(conn, release_response)
+      end)
+
+      conn
+      |> visit(~p"/collection/#{record.id}")
+      |> click_link("a[data-confirm='Are you sure?']", "Delete")
+      |> assert_path(~p"/collection")
+
+      assert_raise Ecto.NoResultsError, fn ->
+        Records.get_record!(record.id)
+      end
+    end
+  end
+
   describe "handle_info({:update, record}) with live_action guard" do
     test "updates record when showing (live_action is :show)", %{conn: conn} do
       record = record()