52 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			TypeScript
		
	
	
			
		
		
	
	
			52 lines
		
	
	
		
			1.8 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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| 
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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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| 
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| import React from "react";
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| import { act, render } from "jest-matrix-react";
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| 
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| import ProgressBar from "../../../../../src/components/views/elements/ProgressBar";
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| 
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| jest.useFakeTimers();
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| 
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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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| 
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|         // The animation always starts from 0
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|         expect(progress.value).toBe(0);
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| 
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|         // Await the animation to conclude to our initial value of 50
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|         act(() => {
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|             jest.runAllTimers();
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|         });
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|         expect(progress.position).toBe(0.5);
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| 
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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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| 
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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(() => {
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|             jest.advanceTimersByTime(150);
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|         });
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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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| 
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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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| 
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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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