60 lines
2.1 KiB
TypeScript
60 lines
2.1 KiB
TypeScript
import { test } from "node:test";
|
|
import assert from "node:assert/strict";
|
|
import * as THREE from "three";
|
|
import { loadPanoramaTextures } from "../lib/panorama-textures";
|
|
|
|
function texture() {
|
|
const value = new THREE.Texture();
|
|
let disposals = 0;
|
|
value.addEventListener("dispose", () => disposals++);
|
|
return { value, disposals: () => disposals };
|
|
}
|
|
test("panorama textures retain face order and are owned separately by each viewer", async () => {
|
|
const loader = { loadAsync: async () => new THREE.Texture() };
|
|
const first = await loadPanoramaTextures(["px", "nx"], loader);
|
|
const second = await loadPanoramaTextures(["px", "nx"], loader);
|
|
assert.equal(first.length, 2);
|
|
assert.equal(first[0].colorSpace, THREE.SRGBColorSpace);
|
|
assert.notEqual(first[0], second[0]);
|
|
[...first, ...second].forEach((value) => value.dispose());
|
|
});
|
|
|
|
test("a failed panorama frees both loaded faces and faces that complete later", async () => {
|
|
const early = texture(),
|
|
late = texture();
|
|
let finish!: (value: THREE.Texture) => void;
|
|
const loader = {
|
|
loadAsync: (url: string) =>
|
|
url === "early"
|
|
? Promise.resolve(early.value)
|
|
: url === "late"
|
|
? new Promise<THREE.Texture>((resolve) => {
|
|
finish = resolve;
|
|
})
|
|
: Promise.reject(new Error("missing face")),
|
|
};
|
|
await assert.rejects(
|
|
loadPanoramaTextures(["early", "late", "missing"], loader),
|
|
/missing face/,
|
|
);
|
|
assert.equal(early.disposals(), 1);
|
|
finish(late.value);
|
|
await new Promise((resolve) => setImmediate(resolve));
|
|
assert.equal(late.disposals(), 1);
|
|
});
|
|
|
|
test("stalled panoramas time out and release textures that arrive afterward", async () => {
|
|
const late = texture();
|
|
let finish!: (value: THREE.Texture) => void;
|
|
const loader = {
|
|
loadAsync: () =>
|
|
new Promise<THREE.Texture>((resolve) => {
|
|
finish = resolve;
|
|
}),
|
|
};
|
|
await assert.rejects(loadPanoramaTextures(["late"], loader, 5), /timed out/);
|
|
finish(late.value);
|
|
await new Promise((resolve) => setImmediate(resolve));
|
|
assert.equal(late.disposals(), 1);
|
|
});
|