littlejs-migration.test.ts

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`39d08b63` 2026-10-20 Pavel Safronov	1	/**
	2	* Tests for LittleJS migration
	3	*/
	4
	5	import { describe, it, expect } from 'vitest'
	6	import { ThreeToLittleJSAdapter as Adapter } from '../src/adapters/three-to-littlejs.js'
	7	import * as THREE from 'three'
	8
	9	describe('Three.js to LittleJS Conversion', () => {
	10	describe('Color Conversion', () => {
	11	it('should convert Three.js Color to number correctly', () => {
	12	const color = new THREE.Color(0xff0000) // Red
	13	const result = Adapter.convertColor(color)
	14	expect(result).toBe(0xff0000)
	15	})
	16
	17	it('should handle different color values', () => {
	18	const blue = new THREE.Color(0x0000ff)
	19	const green = new THREE.Color(0x00ff00)
	20	const white = new THREE.Color(0xffffff)
	21
	22	expect(Adapter.convertColor(blue)).toBe(0x0000ff)
	23	expect(Adapter.convertColor(green)).toBe(0x00ff00)
	24	expect(Adapter.convertColor(white)).toBe(0xffffff)
	25	})
	26	})
	27
	28	describe('Vector Conversion', () => {
	29	it('should convert Vector3 to array', () => {
	30	const vec = new THREE.Vector3(1, 2, 3)
	31	const result = Adapter.convertVector3(vec)
	32	expect(result).toEqual([1, 2, 3])
	33	})
	34
	35	it('should convert Vector4 to array', () => {
	36	const vec = new THREE.Vector4(1, 2, 3, 4)
	37	const result = Adapter.convertVector4(vec)
	38	expect(result).toEqual([1, 2, 3, 4])
	39	})
	40	})
	41
	42	describe('Material Creation', () => {
	43	it('should create basic material with color', () => {
	44	const color = new THREE.Color(0xff00ff)
	45	const result = Adapter.createBasicMaterial({ color })
	46	expect(result.color).toBe(0xff00ff)
	47	})
	48
	49	it('should handle transparency settings', () => {
	50	const result = Adapter.createBasicMaterial({
	51	transparent: true,
	52	opacity: 0.5
	53	})
	54	expect(result.transparent).toBe(true)
	55	expect(result.opacity).toBe(0.5)
	56	})
	57
	58	it('should handle emissive properties', () => {
	59	const emissive = new THREE.Color(0x00ffff)
	60	const result = Adapter.createBasicMaterial({
	61	emissive,
	62	emissiveIntensity: 2.0
	63	})
	64	expect(result.emissive).toBe(0x00ffff)
	65	expect(result.emissiveIntensity).toBe(2.0)
	66	})
	67	})
	68
	69	describe('Uniform Adaptation', () => {
	70	it('should adapt color uniforms', () => {
	71	const color = new THREE.Color(0x123456)
	72	const uniforms = {
	73	testColor: { value: color }
	74	}
	75	const result = Adapter.adaptUniforms(uniforms)
	76	expect(result.testColor).toBe(Adapter.convertColor(color))
	77	})
	78
	79	it('should adapt vector uniforms', () => {
	80	const uniforms = {
	81	testVec3: { value: new THREE.Vector3(1, 2, 3) },
	82	testVec4: { value: new THREE.Vector4(4, 5, 6, 7) }
	83	}
	84	const result = Adapter.adaptUniforms(uniforms)
	85	expect(result.testVec3).toEqual([1, 2, 3])
	86	expect(result.testVec4).toEqual([4, 5, 6, 7])
	87	})
	88
	89	it('should handle numeric uniforms', () => {
	90	const uniforms = {
	91	testFloat: { value: 3.14 }
	92	}
	93	const result = Adapter.adaptUniforms(uniforms)
	94	expect(result.testFloat).toBe(3.14)
	95	})
	96	})
	97	})