55 lines
1.7 KiB
TypeScript
55 lines
1.7 KiB
TypeScript
import { describe, expect, it, vi } from 'vitest';
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import { OffscreenImage } from '../../../../../src/components-lib/live/providers/go2rtc-experimental/offscreen-image';
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// @vitest-environment jsdom
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describe('OffscreenImage', () => {
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it('should create the image from the factory on get', () => {
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const image = document.createElement('img');
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const offscreen = new OffscreenImage(() => image);
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expect(offscreen.get()).toBe(image);
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});
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it('should reuse the same image across repeated get', () => {
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const create = vi.fn(() => document.createElement('img'));
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const offscreen = new OffscreenImage(create);
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expect(offscreen.get()).toBe(offscreen.get());
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expect(create).toHaveBeenCalledTimes(1);
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});
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it('should create an image with the default factory when none is injected', () => {
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const offscreen = new OffscreenImage();
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expect(offscreen.get()).toBeInstanceOf(HTMLImageElement);
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});
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it('should detach src on clear', () => {
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const image = document.createElement('img');
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const offscreen = new OffscreenImage(() => image);
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offscreen.get();
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image.src = 'data:image/jpeg;base64,AAAA';
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offscreen.clear();
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expect(image.hasAttribute('src')).toBe(false);
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});
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it('should create a fresh image after clear', () => {
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const create = vi.fn(() => document.createElement('img'));
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const offscreen = new OffscreenImage(create);
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offscreen.get();
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offscreen.clear();
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offscreen.get();
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expect(create).toHaveBeenCalledTimes(2);
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});
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it('should tolerate clear when no image is held', () => {
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const offscreen = new OffscreenImage(() => document.createElement('img'));
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expect(() => offscreen.clear()).not.toThrow();
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});
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});
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