Files
ThreadNet-Web/apps/web/src/favicon.test.ts
T
Michael TelatynskiandGitHub d5164acb50 Migrate batch of tests to vitest (#34111)
* Migrate batch of tests tro vitest

* Iterate

* Migrate another test

* Fix lockfile
2026-07-06 14:10:50 +00:00

95 lines
2.9 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 OR LicenseRef-Element-Commercial
Please see LICENSE files in the repository root for full details.
*/
// @vitest-environment happy-dom
import { vi, describe, it, expect, beforeEach } from "vitest";
import "vitest-canvas-mock";
import Favicon from "./favicon";
vi.useFakeTimers();
describe("Favicon", () => {
beforeEach(() => {
vi.restoreAllMocks();
document.getElementsByTagName("head")[0]?.remove();
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);
vi.runAllTimers();
expect(favicon["context"].__getDrawCalls()).toMatchSnapshot();
});
it("should clear a badge if called with a zero value", () => {
const favicon = new Favicon();
favicon.badge(123);
vi.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);
vi.runAllTimers();
const newLink = window.document.querySelector("link");
expect(originalLink).not.toStrictEqual(newLink);
});
it("should default to 144px", () => {
const head = document.getElementsByTagName("head")[0];
const link = document.createElement("link");
link.rel = "icon";
link.href = "favicon.png";
head.appendChild(link);
const spy = vi.spyOn(document, "createElement");
const favicon = new Favicon();
vi.runAllTimers();
const img = spy.mock.results[0].value;
img.onload();
expect(favicon["canvas"].height).toBe(144);
});
it("should use the size of the last favicon", () => {
const head = document.getElementsByTagName("head")[0];
const link = document.createElement("link");
link.rel = "icon";
link.sizes = "512x512";
link.href = "favicon.png";
head.appendChild(link);
const spy = vi.spyOn(document, "createElement");
const favicon = new Favicon();
vi.runAllTimers();
const img = spy.mock.results[0].value;
img.height = 512;
img.onload();
expect(favicon["canvas"].height).toBe(512);
});
});