more refactor

tests/texture-manager.test.mjs

@@ -0,0 +1,73 @@
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import { VideoTextureManager } from '../vr180player/rendering/texture-manager.js';
+
+function createTexture(name) {
+	return {
+		disposed: false,
+		name,
+		needsUpdate: false,
+		dispose() {
+			this.disposed = true;
+		}
+	};
+}
+
+function createVideo({ paused = false, ended = false } = {}) {
+	return { ended, paused };
+}
+
+test('VideoTextureManager replaces the previous texture when creating a new one', () => {
+	const created = [];
+	const manager = new VideoTextureManager(createVideo(), () => {
+		const texture = createTexture(`texture-${created.length}`);
+		created.push(texture);
+		return texture;
+	});
+
+	const first = manager.create();
+	const second = manager.create();
+
+	assert.equal(first.disposed, true);
+	assert.equal(second.disposed, false);
+	assert.equal(manager.current, second);
+	assert.equal(created.length, 2);
+});
+
+test('VideoTextureManager assigns and clears material maps', () => {
+	const material = { map: null, needsUpdate: false };
+	const manager = new VideoTextureManager(createVideo(), () => createTexture('assigned'));
+
+	const texture = manager.assignToMaterial(material);
+
+	assert.equal(material.map, texture);
+	assert.equal(material.needsUpdate, true);
+	assert.equal(manager.current, texture);
+
+	material.needsUpdate = false;
+	manager.clearMaterial(material);
+
+	assert.equal(texture.disposed, true);
+	assert.equal(material.map, null);
+	assert.equal(material.needsUpdate, true);
+	assert.equal(manager.current, null);
+});
+
+test('VideoTextureManager only marks textures dirty while playback is active', () => {
+	const video = createVideo();
+	const manager = new VideoTextureManager(video, () => createTexture('playing'));
+	const texture = manager.create();
+
+	manager.updateIfPlaying();
+	assert.equal(texture.needsUpdate, true);
+
+	texture.needsUpdate = false;
+	video.paused = true;
+	manager.updateIfPlaying();
+	assert.equal(texture.needsUpdate, false);
+
+	video.paused = false;
+	video.ended = true;
+	manager.updateIfPlaying();
+	assert.equal(texture.needsUpdate, false);
+});