littlejs-migration.test.ts

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	})