mirror of https://github.com/vector-im/riot-web
54 lines
2.2 KiB
TypeScript
54 lines
2.2 KiB
TypeScript
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/*
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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 React from "react";
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import { act, render } from "@testing-library/react";
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import ProgressBar from "../../../../src/components/views/elements/ProgressBar";
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jest.useFakeTimers();
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describe("<ProgressBar/>", () => {
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it("works when animated", () => {
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const { container, rerender } = render(<ProgressBar max={100} value={50} animated={true} />);
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const progress = container.querySelector<HTMLProgressElement>("progress")!;
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// The animation always starts from 0
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expect(progress.value).toBe(0);
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// Await the animation to conclude to our initial value of 50
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act(() => { jest.runAllTimers(); });
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expect(progress.position).toBe(0.5);
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// Move the needle to 80%
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rerender(<ProgressBar max={100} value={80} animated={true} />);
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expect(progress.position).toBe(0.5);
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// Let the animaiton run a tiny bit, assert it has moved from where it was to where it needs to go
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act(() => { jest.advanceTimersByTime(150); });
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expect(progress.position).toBeGreaterThan(0.5);
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expect(progress.position).toBeLessThan(0.8);
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});
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it("works when not animated", () => {
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const { container, rerender } = render(<ProgressBar max={100} value={50} animated={false} />);
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const progress = container.querySelector<HTMLProgressElement>("progress")!;
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// Without animation all positional updates are immediate, not requiring timers to run
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expect(progress.position).toBe(0.5);
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rerender(<ProgressBar max={100} value={80} animated={false} />);
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expect(progress.position).toBe(0.8);
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});
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});
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