@spearwolf/twopoint5d/lib/stage/ClearStage.spec.js

Create 2.5D realtime graphics and pixelart with WebGL and three.js

import { describe, expect, it, vi } from 'vitest';
import { ClearStage } from './ClearStage.js';
describe('ClearStage', () => {
    it('defaults to clearing the depth buffer only', () => {
        const stage = new ClearStage();
        expect(stage.color).toBe(false);
        expect(stage.depth).toBe(true);
        expect(stage.stencil).toBe(false);
        const renderer = { clear: vi.fn() };
        stage.renderTo(renderer);
        expect(renderer.clear).toHaveBeenCalledWith(false, true, false);
    });
    it('honors explicit options', () => {
        const stage = new ClearStage({ color: true, depth: false, stencil: true });
        const renderer = { clear: vi.fn() };
        stage.renderTo(renderer);
        expect(renderer.clear).toHaveBeenCalledWith(true, false, true);
    });
    it('uses a custom name when provided', () => {
        expect(new ClearStage().name).toBe('clear');
        expect(new ClearStage({}, 'clear-depth').name).toBe('clear-depth');
    });
    it('resize() and updateFrame() are no-ops', () => {
        const stage = new ClearStage();
        expect(() => stage.resize(100, 100)).not.toThrow();
        expect(() => stage.updateFrame(0, 0, 1)).not.toThrow();
    });
    it('clear flags can be flipped after construction', () => {
        const stage = new ClearStage();
        stage.color = true;
        stage.depth = false;
        const renderer = { clear: vi.fn() };
        stage.renderTo(renderer);
        expect(renderer.clear).toHaveBeenCalledWith(true, false, false);
    });
});
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