Don't create online team hubs in off-hub tests (#2307)

lib/livebook/hubs.ex

@@ -104,13 +104,9 @@ defmodule Livebook.Hubs do
     :ok
   end
 
-  @spec unset_default_hub(String.t()) :: :ok
-  def unset_default_hub(id) do
-    with {:ok, _hub} <- fetch_hub(id) do
-      :ok = Storage.delete(:default_hub, "default_hub")
-    end
-
-    :ok
+  @spec unset_default_hub() :: :ok
+  def unset_default_hub() do
+    :ok = Storage.delete(:default_hub, "default_hub")
   end
 
   @spec get_default_hub() :: Provider.t()
@@ -124,7 +120,7 @@ defmodule Livebook.Hubs do
   end
 
   defp maybe_unset_default_hub(hub_id) do
-    if get_default_hub().id == hub_id, do: unset_default_hub(hub_id), else: :ok
+    if get_default_hub().id == hub_id, do: unset_default_hub(), else: :ok
   end
 
   defp disconnect_hub(hub) do

lib/livebook_web/live/hub/edit/team_component.ex

@@ -433,7 +433,7 @@ defmodule LivebookWeb.Hub.Edit.TeamComponent do
   end
 
   def handle_event("remove_as_default", _, socket) do
-    Hubs.unset_default_hub(socket.assigns.hub.id)
+    Hubs.unset_default_hub()
     {:noreply, push_navigate(socket, to: ~p"/hub/#{socket.assigns.hub.id}")}
   end
 

test/livebook/live_markdown/import_test.exs

@@ -749,7 +749,7 @@ defmodule Livebook.LiveMarkdown.ImportTest do
   end
 
   test "imports notebook hub id when exists" do
-    %{id: hub_id} = Livebook.Factory.insert_hub(:team)
+    %{id: hub_id} = Livebook.HubHelpers.offline_hub()
 
     markdown = """
     <!-- livebook:{"hub_id":"#{hub_id}"} -->
@@ -1216,7 +1216,7 @@ defmodule Livebook.LiveMarkdown.ImportTest do
     end
 
     test "sets :teams_enabled to true when the teams hub exist regardless the stamp" do
-      %{id: hub_id} = Livebook.Factory.insert_hub(:team)
+      %{id: hub_id} = Livebook.HubHelpers.offline_hub()
 
       markdown = """
       <!-- livebook:{"hub_id":"#{hub_id}"} -->

test/livebook/session_test.exs

@@ -1913,31 +1913,35 @@ defmodule Livebook.SessionTest do
 
     describe "default hub for new notebooks" do
       test "use the default hub as default for new notebooks" do
-        hub = Livebook.Factory.insert_hub(:team)
+        hub = Livebook.HubHelpers.offline_hub()
         Livebook.Hubs.set_default_hub(hub.id)
         notebook = Livebook.Session.default_notebook()
 
         assert notebook.hub_id == hub.id
-        Livebook.Hubs.delete_hub(hub.id)
+
+        Livebook.Hubs.unset_default_hub()
       end
 
       test "fallback to personal-hub when there's no default" do
-        hub = Livebook.Factory.insert_hub(:team)
-        Livebook.Hubs.unset_default_hub(hub.id)
+        hub = Livebook.HubHelpers.offline_hub()
+        Livebook.Hubs.set_default_hub(hub.id)
+        Livebook.Hubs.unset_default_hub()
         notebook = Livebook.Session.default_notebook()
 
         assert notebook.hub_id == "personal-hub"
-        Livebook.Hubs.delete_hub(hub.id)
       end
 
       test "fallback to personal-hub when the default doesn't exist" do
-        hub = Livebook.Factory.insert_hub(:team)
+        hub = Livebook.Factory.build(:team)
+        Livebook.Hubs.save_hub(hub)
         Livebook.Hubs.set_default_hub(hub.id)
         Livebook.Hubs.delete_hub(hub.id)
         notebook = Livebook.Session.default_notebook()
 
         refute Livebook.Hubs.hub_exists?(hub.id)
         assert notebook.hub_id == "personal-hub"
+
+        Livebook.Hubs.unset_default_hub()
       end
     end
   end

test/livebook_web/live/home_live_test.exs

@@ -205,20 +205,13 @@ defmodule LivebookWeb.HomeLiveTest do
   end
 
   describe "hubs" do
-    test "renders sidebar section", %{conn: conn} do
-      {:ok, view, _} = live(conn, ~p"/")
-      assert render(view) =~ "HUBS"
-      assert render(view) =~ "Add Organization"
-    end
-
-    test "renders sidebar persisted hubs", %{conn: conn} do
-      team = insert_hub(:team, id: "team-foo-bar-id")
+    test "renders persisted hubs in the sidebar", %{conn: conn} do
+      team = Livebook.HubHelpers.offline_hub()
 
       {:ok, view, _} = live(conn, ~p"/")
       assert render(view) =~ "HUBS"
       assert render(view) =~ team.hub_name
-
-      Livebook.Hubs.delete_hub("team-foo-bar-id")
+      assert render(view) =~ "Add Organization"
     end
   end
 

test/support/factory.ex

@@ -89,12 +89,6 @@ defmodule Livebook.Factory do
     factory_name |> build() |> struct!(attrs) |> Map.from_struct()
   end
 
-  def insert_hub(factory_name, attrs \\ %{}) do
-    factory_name
-    |> build(attrs)
-    |> Livebook.Hubs.save_hub()
-  end
-
   def insert_secret(attrs \\ %{}) do
     secret = build(:secret, attrs)
     hub = Livebook.Hubs.fetch_hub!(secret.hub_id)