/* 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 React from "react"; import { act, render } from "jest-matrix-react"; import ProgressBar from "../../../../../src/components/views/elements/ProgressBar"; jest.useFakeTimers(); describe("", () => { it("works when animated", () => { const { container, rerender } = render(); const progress = container.querySelector("progress")!; // The animation always starts from 0 expect(progress.value).toBe(0); // Await the animation to conclude to our initial value of 50 act(() => { jest.runAllTimers(); }); expect(progress.position).toBe(0.5); // Move the needle to 80% rerender(); expect(progress.position).toBe(0.5); // Let the animaiton run a tiny bit, assert it has moved from where it was to where it needs to go act(() => { jest.advanceTimersByTime(150); }); expect(progress.position).toBeGreaterThan(0.5); expect(progress.position).toBeLessThan(0.8); }); it("works when not animated", () => { const { container, rerender } = render(); const progress = container.querySelector("progress")!; // Without animation all positional updates are immediate, not requiring timers to run expect(progress.position).toBe(0.5); rerender(); expect(progress.position).toBe(0.8); }); });