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@google/model-viewer

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Easily display interactive 3D models on the web and in AR!

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/* * Copyright 2018 Google Inc. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import {$evictionPolicy, $releaseFromCache, CachingGLTFLoader} from '../../three-components/CachingGLTFLoader.js'; import {assetPath} from '../helpers.js'; const expect = chai.expect; const ASTRONAUT_GLB_PATH = assetPath('Astronaut.glb'); suite('CachingGLTFLoader', () => { suite('when loading a glTF', () => { let loader: CachingGLTFLoader; setup(() => { loader = new CachingGLTFLoader(); }); teardown(() => { CachingGLTFLoader.clearCache(); }); suite('before glTF is loaded', () => { test('reports that it has not finished loading', () => { loader.load(ASTRONAUT_GLB_PATH); expect(CachingGLTFLoader.hasFinishedLoading(ASTRONAUT_GLB_PATH)) .to.be.false; }); }); suite('after glTF is loaded', () => { test('reports that it has finished loading', async () => { await loader.load(ASTRONAUT_GLB_PATH); expect(CachingGLTFLoader.hasFinishedLoading(ASTRONAUT_GLB_PATH)) .to.be.true; }); }); test('synchronously populates the cache', () => { loader.load(ASTRONAUT_GLB_PATH); expect(CachingGLTFLoader.has(ASTRONAUT_GLB_PATH)).to.be.true; }); test('yields a promise that resolves a scene', async () => { const scene = await loader.load(ASTRONAUT_GLB_PATH); expect(scene).to.be.ok; expect(scene!.type).to.be.equal('Scene'); }); suite('with items outside of the eviction threshold', () => { let naturalEvictionThreshold: number; setup(() => { naturalEvictionThreshold = loader[$evictionPolicy].evictionThreshold; loader[$evictionPolicy].evictionThreshold = 0; }); teardown(() => { loader[$evictionPolicy].evictionThreshold = naturalEvictionThreshold; }); test('deletinates them when they are fully released', async () => { const scene = await loader.load(ASTRONAUT_GLB_PATH); expect(CachingGLTFLoader.has(ASTRONAUT_GLB_PATH)).to.be.true; scene![$releaseFromCache](); expect(CachingGLTFLoader.has(ASTRONAUT_GLB_PATH)).to.be.false; }); }); }); });