budoux/module/tests/test_webcomponents.js

A small chunk segmenter.

/**
 * @license
 * Copyright 2021 Google LLC
 * 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
 *
 *     https://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 { loadDefaultJapaneseParser } from '../index.js';
import '../webcomponents/budoux-ja.js';
const parser = loadDefaultJapaneseParser();
describe('Web Components', () => {
    beforeAll(async () => {
        await window.customElements.whenDefined('budoux-ja');
    });
    it('should process the provided text.', () => {
        const inputText = '今日は良い天気です。';
        const budouxElement = window.document.createElement('budoux-ja');
        budouxElement.textContent = inputText;
        window.document.body.appendChild(budouxElement);
        const mirroredElement = window.document.createElement('span');
        mirroredElement.textContent = inputText;
        parser.applyToElement(mirroredElement);
        expect(budouxElement.innerHTML).toBe(mirroredElement.outerHTML);
    });
    it('should react to the text content change after attached.', resolve => {
        const budouxElement = window.document.createElement('budoux-ja');
        budouxElement.textContent = '今日は良い天気です。';
        window.document.body.appendChild(budouxElement);
        const inputText = '明日はどうなるかな。';
        const mirroredElement = window.document.createElement('span');
        mirroredElement.textContent = inputText;
        parser.applyToElement(mirroredElement);
        const observer = new window.MutationObserver(() => {
            expect(budouxElement.innerHTML).toBe(mirroredElement.outerHTML);
            resolve();
        });
        observer.observe(budouxElement, {
            childList: true,
        });
        budouxElement.textContent = inputText;
    });
});
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