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useLoadFontFiles.js
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useLoadFontFiles.js
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/*
* Copyright 2020 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.
*/
/**
* External dependencies
*/
import { renderHook } from '@testing-library/react-hooks';
/**
* Internal dependencies
*/
import useLoadFontFiles from '../../actions/useLoadFontFiles';
const DEFAULT_FONT = {
font: {
family: 'Font',
service: 'fonts.google.com',
},
fontWeight: 400,
isItalic: true,
content: 'Fill in some text',
};
describe('useLoadFontFiles', () => {
beforeEach(() => {
const el = document.getElementById('font-css');
if (el) {
el.remove();
}
});
it('maybeEnqueueFontStyle', () => {
expect(document.getElementById('font-css')).toBeNull();
renderHook(async () => {
const maybeEnqueueFontStyle = useLoadFontFiles();
await maybeEnqueueFontStyle([DEFAULT_FONT]);
});
expect(document.getElementById('font-css')).toBeDefined();
});
it('maybeEnqueueFontStyle skip', () => {
expect(document.getElementById('font-css')).toBeNull();
renderHook(async () => {
const maybeEnqueueFontStyle = useLoadFontFiles();
await maybeEnqueueFontStyle([
{ ...DEFAULT_FONT, font: { ...DEFAULT_FONT.font, service: 'abcd' } },
]);
});
expect(document.getElementById('font-css')).toBeNull();
});
it('maybeEnqueueFontStyle reflect', () => {
expect(document.getElementById('font-css')).toBeNull();
renderHook(async () => {
const maybeEnqueueFontStyle = useLoadFontFiles();
await maybeEnqueueFontStyle([{}, DEFAULT_FONT]);
});
expect(document.querySelectorAll('link')).toHaveLength(1);
expect(document.getElementById('font-css')).toBeDefined();
});
});