@google/model-viewer
Version:
Easily display interactive 3D models on the web and in AR!
56 lines • 2.56 kB
JavaScript
/* @license
* Copyright 2020 Google LLC. 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 { ModelViewerElement } from '../../../model-viewer.js';
import { waitForEvent } from '../../../utilities.js';
import { assetPath } from '../../helpers.js';
const expect = chai.expect;
const DUCK_GLB_PATH = assetPath('models/glTF-Sample-Models/2.0/Duck/glTF-Binary/Duck.glb');
suite('scene-graph/texture-info', () => {
suite('texture-info', () => {
let element;
let emptyTextureInfo;
let baseTextureInfo;
setup(async () => {
element = new ModelViewerElement();
element.src = DUCK_GLB_PATH;
document.body.insertBefore(element, document.body.firstChild);
await waitForEvent(element, 'load');
emptyTextureInfo = element.model.materials[0].normalTexture;
baseTextureInfo =
element.model.materials[0].pbrMetallicRoughness.baseColorTexture;
});
teardown(() => {
document.body.removeChild(element);
});
test('empty slot is null', async () => {
// The duck doesn't have a normal texture.
expect(emptyTextureInfo.texture).to.be.null;
});
test('non-empty slot is not null', async () => {
// The duck doesn't have a normal texture.
expect(baseTextureInfo.texture).to.not.be.null;
});
test('call setTexture', async () => {
const texture = await element.createTexture(assetPath('models/glTF-Sample-Models/2.0/BoxTextured/glTF/CesiumLogoFlat.png'));
// Setting a texture, the normal texture should _not_ be null.
emptyTextureInfo.setTexture(texture);
expect(emptyTextureInfo.texture).to.not.be.null;
// Clearing a texture, the normal texture _should_ be null again.
emptyTextureInfo.setTexture(null);
expect(emptyTextureInfo.texture).to.be.null;
});
});
});
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