/* 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 "jest-canvas-mock"; import Favicon from "../../src/favicon"; jest.useFakeTimers(); describe("Favicon", () => { beforeEach(() => { const head = document.createElement("head"); window.document.documentElement.prepend(head); }); it("should create a link element if one doesn't yet exist", () => { const favicon = new Favicon(); expect(favicon).toBeTruthy(); const link = window.document.querySelector("link")!; expect(link.rel).toContain("icon"); }); it("should draw a badge if called with a non-zero value", () => { const favicon = new Favicon(); favicon.badge(123); jest.runAllTimers(); expect(favicon["context"].__getDrawCalls()).toMatchSnapshot(); }); it("should clear a badge if called with a zero value", () => { const favicon = new Favicon(); favicon.badge(123); jest.runAllTimers(); favicon.badge(0); expect(favicon["context"].__getDrawCalls()).toMatchSnapshot(); }); it("should recreate link element for firefox and opera", () => { window["InstallTrigger"] = {}; window["opera"] = {}; const favicon = new Favicon(); const originalLink = window.document.querySelector("link"); favicon.badge(123); jest.runAllTimers(); const newLink = window.document.querySelector("link"); expect(originalLink).not.toStrictEqual(newLink); }); });