element-web/test/unit-tests/settings/controllers/SystemFontController-test.ts

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/*
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 { Action } from "../../../../src/dispatcher/actions";
import dis from "../../../../src/dispatcher/dispatcher";
import SystemFontController from "../../../../src/settings/controllers/SystemFontController";
import SettingsStore from "../../../../src/settings/SettingsStore";
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const dispatchSpy = jest.spyOn(dis, "dispatch");
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describe("SystemFontController", () => {
it("dispatches a system font update action on change", () => {
const controller = new SystemFontController();
const getValueSpy = jest.spyOn(SettingsStore, "getValue").mockImplementation((settingName) => {
if (settingName === "useBundledEmojiFont") return false;
if (settingName === "useSystemFont") return true;
if (settingName === "systemFont") return "Comic Sans MS";
});
controller.onChange();
expect(dispatchSpy).toHaveBeenCalledWith({
action: Action.UpdateSystemFont,
useBundledEmojiFont: false,
useSystemFont: true,
font: "Comic Sans MS",
});
expect(getValueSpy).toHaveBeenCalledWith("useSystemFont");
});
});