bui-themer: remove unnecessary matchMedia mocks

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>
2025-09-25 11:58:22 +02:00
parent 0447b8d496
commit c890dc6edb
3 changed files with 0 additions and 46 deletions
@@ -20,21 +20,6 @@ import { renderInTestApp } from '@backstage/test-utils';
 import { BuiThemePreview } from './BuiThemePreview';

 describe('BuiThemePreview', () => {
-  beforeAll(() => {
-    Object.defineProperty(window, 'matchMedia', {
-      writable: true,
-      value: jest.fn().mockImplementation(query => ({
-        matches: false,
-        media: query,
-        onchange: null,
-        addListener: jest.fn(),
-        removeListener: jest.fn(),
-        addEventListener: jest.fn(),
-        removeEventListener: jest.fn(),
-        dispatchEvent: jest.fn(),
-      })),
-    });
-  });
  it('renders headings and sample components', async () => {
    const { container } = await renderInTestApp(
      <BuiThemePreview
@@ -33,21 +33,6 @@ function makeAppTheme(id: string, title: string, variant: 'light' | 'dark') {
 }

 describe('BuiThemerPage', () => {
-  beforeAll(() => {
-    Object.defineProperty(window, 'matchMedia', {
-      writable: true,
-      value: jest.fn().mockImplementation(query => ({
-        matches: false,
-        media: query,
-        onchange: null,
-        addListener: jest.fn(),
-        removeListener: jest.fn(),
-        addEventListener: jest.fn(),
-        removeEventListener: jest.fn(),
-        dispatchEvent: jest.fn(),
-      })),
-    });
-  });
  it('renders empty state when no themes installed', async () => {
    const apis = [[appThemeApiRef, { getInstalledThemes: () => [] }]] as const;
    await renderInTestApp(
@@ -30,22 +30,6 @@ jest.mock('./convertMuiToBuiTheme', () => ({
 describe('ThemeContent', () => {
  const muiTheme = createTheme();

-  beforeAll(() => {
-    Object.defineProperty(window, 'matchMedia', {
-      writable: true,
-      value: jest.fn().mockImplementation(query => ({
-        matches: false,
-        media: query,
-        onchange: null,
-        addListener: jest.fn(),
-        removeListener: jest.fn(),
-        addEventListener: jest.fn(),
-        removeEventListener: jest.fn(),
-        dispatchEvent: jest.fn(),
-      })),
-    });
-  });
-
  it('renders title, variant and tabs', async () => {
    await renderInTestApp(
      <ThemeContent