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pnoker
d47d125af0
Apply IDE formatting across all Vue, TypeScript, SCSS and test files. No logic changes — whitespace, quotes and brace style only.
51 lines
2.2 KiB
TypeScript
51 lines
2.2 KiB
TypeScript
/*
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* Copyright 2016-present the IoT DC3 original author or authors.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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import {mount} from '@vue/test-utils';
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import {afterAll, beforeAll, describe, expect, it, vi} from 'vitest';
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import Particles from '@/components/particles/Particles.vue';
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// Particles paints into a 3D canvas via requestAnimationFrame; jsdom has
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// no real canvas. Stub HTMLCanvasElement.prototype.getContext to keep the
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// initial paint loop from throwing while still letting the component mount.
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beforeAll(() => {
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// happy-dom's HTMLCanvasElement has no useful getContext implementation;
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// the component swallows null returns and skips the WebGL setup. Use a
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// typed function override (compatible with the wide overload set) so we
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// don't have to launder the return through a double assertion.
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vi.spyOn(HTMLCanvasElement.prototype, 'getContext').mockImplementation(() => null);
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// happy-dom doesn't have rAF — provide a no-op so the animation loop doesn't crash.
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vi.stubGlobal('requestAnimationFrame', vi.fn());
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});
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afterAll(() => {
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vi.unstubAllGlobals();
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});
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describe('Particles', () => {
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it('mounts without throwing even when canvas getContext returns null', () => {
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const wrapper = mount(Particles);
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expect(wrapper.exists()).toBe(true);
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// Particles renders a `.waves` host div; the canvas itself is created
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// and appended by the embedded ShaderProgram at runtime — in jsdom
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// with a stubbed getContext that work is a no-op, so we just assert
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// the host element survives mount.
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expect(wrapper.find('.waves').exists()).toBe(true);
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});
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});
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