62 lines
2.0 KiB
TypeScript
62 lines
2.0 KiB
TypeScript
/*
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Copyright 2022 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import "jest-canvas-mock";
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import Favicon from "../../src/favicon";
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jest.useFakeTimers();
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describe("Favicon", () => {
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beforeEach(() => {
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const head = document.createElement("head");
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window.document.documentElement.prepend(head);
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});
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it("should create a link element if one doesn't yet exist", () => {
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const favicon = new Favicon();
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expect(favicon).toBeTruthy();
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const link = window.document.querySelector("link")!;
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expect(link.rel).toContain("icon");
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});
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it("should draw a badge if called with a non-zero value", () => {
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const favicon = new Favicon();
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favicon.badge(123);
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jest.runAllTimers();
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expect(favicon["context"].__getDrawCalls()).toMatchSnapshot();
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});
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it("should clear a badge if called with a zero value", () => {
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const favicon = new Favicon();
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favicon.badge(123);
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jest.runAllTimers();
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favicon.badge(0);
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expect(favicon["context"].__getDrawCalls()).toMatchSnapshot();
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});
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it("should recreate link element for firefox and opera", () => {
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window["InstallTrigger"] = {};
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window["opera"] = {};
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const favicon = new Favicon();
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const originalLink = window.document.querySelector("link");
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favicon.badge(123);
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jest.runAllTimers();
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const newLink = window.document.querySelector("link");
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expect(originalLink).not.toStrictEqual(newLink);
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});
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});
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