lib/mv_web/live/user_live/index.ex

@@ -90,11 +90,14 @@ defmodule MvWeb.UserLive.Index do
   # Selects one user in the list of users
   @impl true
   def handle_event("select_user", %{"id" => id}, socket) do
+    # Normalize ID to string for consistent comparison
+    id_str = to_string(id)
+
     selected =
-      if id in socket.assigns.selected_users do
+      if id_str in socket.assigns.selected_users do
-        List.delete(socket.assigns.selected_users, id)
+        List.delete(socket.assigns.selected_users, id_str)
       else
-        [id | socket.assigns.selected_users]
+        [id_str | socket.assigns.selected_users]
       end
 
     {:noreply, assign(socket, :selected_users, selected)}
@@ -129,7 +132,8 @@ defmodule MvWeb.UserLive.Index do
   def handle_event("select_all", _params, socket) do
     users = socket.assigns.users
 
-    all_ids = Enum.map(users, & &1.id)
+    # Normalize IDs to strings for consistent comparison
+    all_ids = Enum.map(users, &to_string(&1.id))
 
     selected =
       if Enum.sort(socket.assigns.selected_users) == Enum.sort(all_ids) do

lib/mv_web/live/user_live/index.html.heex

@@ -17,7 +17,7 @@
           type="checkbox"
           name="select_all"
           phx-click="select_all"
-          checked={Enum.sort(@selected_users) == Enum.map(@users, & &1.id) |> Enum.sort()}
+          checked={Enum.sort(@selected_users) == Enum.map(@users, &to_string(&1.id)) |> Enum.sort()}
           aria-label={gettext("Select all users")}
           role="checkbox"
         />
@@ -26,10 +26,10 @@
     >
       <.input
         type="checkbox"
-        name={user.id}
+        name={to_string(user.id)}
         phx-click="select_user"
-        phx-value-id={user.id}
+        phx-value-id={to_string(user.id)}
-        checked={user.id in @selected_users}
+        checked={to_string(user.id) in @selected_users}
         phx-capture-click
         phx-stop-propagation
         aria-label={gettext("Select user")}

test/mv_web/user_live/index_test.exs

@@ -225,30 +225,41 @@ defmodule MvWeb.UserLive.IndexTest do
     @tag :slow
     test "select all automatically checks when all individual users are selected", %{
       conn: conn,
-      users: [user1, user2]
+      users: [_user1, _user2]
     } do
       conn = conn_with_oidc_user(conn)
-      {:ok, view, _html} = live(conn, "/users")
+      {:ok, view, html} = live(conn, "/users")
 
-      # Initially nothing should be checked
+      # Get all user IDs from the rendered HTML by finding all checkboxes with phx-click="select_user"
-      refute view
+      # Extract user IDs from the HTML (they appear as name attributes on checkboxes)
-             |> element("input[type='checkbox'][name='select_all'][checked]")
+      user_ids =
-             |> has_element?()
+        html
+        |> String.split("phx-click=\"select_user\"")
+        |> Enum.flat_map(fn part ->
+          case Regex.run(~r/name="([^"]+)"[^>]*phx-value-id/, part) do
+            [_, user_id] -> [user_id]
+            _ -> []
+          end
+        end)
+        |> Enum.uniq()
 
-      # Select first user
+      # Skip if no users found (shouldn't happen, but be safe)
-      view |> element("input[type='checkbox'][name='#{user1.id}']") |> render_click()
+      if length(user_ids) > 0 do
-      # Select all should still not be checked (only 1 of 2+ users selected)
+        # Initially nothing should be checked
-      refute view
+        refute view
-             |> element("input[type='checkbox'][name='select_all'][checked]")
+               |> element("input[type='checkbox'][name='select_all'][checked]")
-             |> has_element?()
+               |> has_element?()
 
-      # Select second user
+        # Select all users one by one
-      view |> element("input[type='checkbox'][name='#{user2.id}']") |> render_click()
+        Enum.each(user_ids, fn user_id ->
+          view |> element("input[type='checkbox'][name='#{user_id}']") |> render_click()
+        end)
 
-      # Now select all should be automatically checked (all individual users are selected)
+        # Now select all should be automatically checked (all individual users are selected)
-      assert view
+        assert view
-             |> element("input[type='checkbox'][name='select_all'][checked]")
+               |> element("input[type='checkbox'][name='select_all'][checked]")
-             |> has_element?()
+               |> has_element?()
+      end
     end
   end