From 980bce1ff8fcc1434072a842b23723aa47403fa4 Mon Sep 17 00:00:00 2001
From: Vincenzo Scamporlino <vincenzos@spotify.com>
Date: Tue, 7 Oct 2025 22:36:16 +0200
Subject: [PATCH] core-compat-api: use renderTestApp

Signed-off-by: Vincenzo Scamporlino <vincenzos@spotify.com>
---
 .../src/collectLegacyRoutes.test.tsx               |  4 ++--
 .../core-compat-api/src/convertLegacyApp.test.tsx  | 14 +++++++-------
 packages/frontend-test-utils/report.api.md         |  2 +-
 .../frontend-test-utils/src/app/renderTestApp.tsx  |  2 +-
 4 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/packages/core-compat-api/src/collectLegacyRoutes.test.tsx b/packages/core-compat-api/src/collectLegacyRoutes.test.tsx
index fe4166016e..c5138dac3d 100644
--- a/packages/core-compat-api/src/collectLegacyRoutes.test.tsx
+++ b/packages/core-compat-api/src/collectLegacyRoutes.test.tsx
@@ -39,7 +39,7 @@ import {
   useApp,
 } from '@backstage/core-plugin-api';
 import { screen } from '@testing-library/react';
-import { renderInTestApp } from '@backstage/frontend-test-utils';
+import { renderTestApp } from '@backstage/frontend-test-utils';
 
 const exampleApiRef = createApiRef<string>({
   id: 'plugin.example.service',
@@ -304,7 +304,7 @@ describe('collectLegacyRoutes', () => {
       </FlatRoutes>,
     );
 
-    renderInTestApp(<div />, { features });
+    renderTestApp({ features });
 
     await expect(
       screen.findByText('plugins: app, test'),
diff --git a/packages/core-compat-api/src/convertLegacyApp.test.tsx b/packages/core-compat-api/src/convertLegacyApp.test.tsx
index 7bbe13867c..1cb2b757e3 100644
--- a/packages/core-compat-api/src/convertLegacyApp.test.tsx
+++ b/packages/core-compat-api/src/convertLegacyApp.test.tsx
@@ -27,7 +27,7 @@ import {
   createRouteRef,
 } from '@backstage/core-plugin-api';
 import { EntityLayout, EntitySwitch, isKind } from '@backstage/plugin-catalog';
-import { renderInTestApp } from '@backstage/frontend-test-utils';
+import { renderTestApp } from '@backstage/frontend-test-utils';
 import { default as catalogPlugin } from '@backstage/plugin-catalog/alpha';
 import { catalogApiRef } from '@backstage/plugin-catalog-react';
 import { catalogApiMock } from '@backstage/plugin-catalog-react/testUtils';
@@ -263,7 +263,7 @@ describe('convertLegacyApp', () => {
     });
 
     // Overview
-    const renderOverviewTest = await renderInTestApp(<div />, {
+    const renderOverviewTest = await renderTestApp({
       features: [catalogOverride, ...converted],
       initialRouteEntries: ['/catalog/default/test/x'],
     });
@@ -272,7 +272,7 @@ describe('convertLegacyApp', () => {
     ).resolves.toBeInTheDocument();
     renderOverviewTest.unmount();
 
-    const renderOverviewOther = await renderInTestApp(<div />, {
+    const renderOverviewOther = await renderTestApp({
       features: [catalogOverride, ...converted],
       initialRouteEntries: ['/catalog/default/other/x'],
     });
@@ -282,7 +282,7 @@ describe('convertLegacyApp', () => {
     renderOverviewOther.unmount();
 
     // Foo tab
-    const renderFooTest = await renderInTestApp(<div />, {
+    const renderFooTest = await renderTestApp({
       features: [catalogOverride, ...converted],
       initialRouteEntries: ['/catalog/default/test/x/foo'],
     });
@@ -291,7 +291,7 @@ describe('convertLegacyApp', () => {
     ).resolves.toBeInTheDocument();
     renderFooTest.unmount();
 
-    const renderFooOther = await renderInTestApp(<div />, {
+    const renderFooOther = await renderTestApp({
       features: [catalogOverride, ...converted],
       initialRouteEntries: ['/catalog/default/other/x/foo'],
     });
@@ -301,7 +301,7 @@ describe('convertLegacyApp', () => {
     renderFooOther.unmount();
 
     // Bar tab
-    const renderBarTest = await renderInTestApp(<div />, {
+    const renderBarTest = await renderTestApp({
       features: [catalogOverride, ...converted],
       initialRouteEntries: ['/catalog/default/test/x/bar'],
     });
@@ -310,7 +310,7 @@ describe('convertLegacyApp', () => {
     ).resolves.toBeInTheDocument();
     renderBarTest.unmount();
 
-    const renderBarOther = await renderInTestApp(<div />, {
+    const renderBarOther = await renderTestApp({
       features: [catalogOverride, ...converted],
       initialRouteEntries: ['/catalog/default/other/x/bar'],
     });
diff --git a/packages/frontend-test-utils/report.api.md b/packages/frontend-test-utils/report.api.md
index 58e5282f48..bd008feb19 100644
--- a/packages/frontend-test-utils/report.api.md
+++ b/packages/frontend-test-utils/report.api.md
@@ -128,7 +128,7 @@ export function renderTestApp(
 // @public
 export type RenderTestAppOptions = {
   config?: JsonObject;
-  extensions: ExtensionDefinition<any>[];
+  extensions?: ExtensionDefinition<any>[];
   features?: FrontendFeature[];
 };
 
diff --git a/packages/frontend-test-utils/src/app/renderTestApp.tsx b/packages/frontend-test-utils/src/app/renderTestApp.tsx
index 827d14283c..f19dcd7d5f 100644
--- a/packages/frontend-test-utils/src/app/renderTestApp.tsx
+++ b/packages/frontend-test-utils/src/app/renderTestApp.tsx
@@ -39,7 +39,7 @@ export type RenderTestAppOptions = {
   /**
    * Additional extensions to add to the test app.
    */
-  extensions: ExtensionDefinition<any>[];
+  extensions?: ExtensionDefinition<any>[];
 
   /**
    * Additional features to add to the test app.