riot-web/test/setupTests.ts

49 lines
1.7 KiB
TypeScript

/*
Copyright 2024 New Vector Ltd.
Copyright 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.
*/
import "@testing-library/jest-dom";
import "blob-polyfill";
import { randomString } from "matrix-js-sdk/src/randomstring";
import { mocked } from "jest-mock";
import { PredictableRandom } from "./test-utils/predictableRandom"; // https://github.com/jsdom/jsdom/issues/2555
declare global {
// eslint-disable-next-line no-var
var IS_REACT_ACT_ENVIRONMENT: boolean;
}
globalThis.IS_REACT_ACT_ENVIRONMENT = true;
// Fake random strings to give a predictable snapshot for IDs
jest.mock("matrix-js-sdk/src/randomstring");
beforeEach(() => {
const chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
const mockRandom = new PredictableRandom();
mocked(randomString).mockImplementation((len) => {
let ret = "";
for (let i = 0; i < len; ++i) {
const v = mockRandom.get() * chars.length;
const m = ((v % chars.length) + chars.length) % chars.length; // account for negative modulo
ret += chars.charAt(Math.floor(m));
}
return ret;
});
});
// Very carefully enable the mocks for everything else in
// a specific order. We use this order to ensure we properly
// establish an application state that actually works.
//
// These are also require() calls to make sure they get called
// synchronously.
/* eslint-disable @typescript-eslint/no-require-imports */
require("./setup/setupManualMocks"); // must be first
require("./setup/setupLanguage");
require("./setup/setupConfig");