element-web/test/jest-mocks.ts

/*
Copyright 2024 New Vector Ltd.
Copyright 2020-2022 The Matrix.org Foundation C.I.C.

SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
Please see LICENSE files in the repository root for full details.
*/

// https://jestjs.io/docs/en/manual-mocks#mocking-methods-which-are-not-implemented-in-jsdom
Object.defineProperty(window, "matchMedia", {
    writable: true,
    value: jest.fn().mockImplementation((query) => ({
        matches: false,
        media: query,
        onchange: null,
        addListener: jest.fn(), // deprecated
        removeListener: jest.fn(), // deprecated
        addEventListener: jest.fn(),
        removeEventListener: jest.fn(),
        dispatchEvent: jest.fn(),
    })),
});

// maplibre requires a createObjectURL mock
global.URL.createObjectURL = jest.fn();