54 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			TypeScript
		
	
	
			
		
		
	
	
			54 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			TypeScript
		
	
	
/*
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Copyright 2024 New Vector Ltd.
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Copyright 2022 The Matrix.org Foundation C.I.C.
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SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
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Please see LICENSE files in the repository root for full details.
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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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