iconify/packages/react/tests/offline/20-ref.test.js

import React from 'react';
import { Icon, InlineIcon } from '../../lib/offline';
import renderer from 'react-test-renderer';

const iconData = {
	body:
		'<path d="M4 19h16v2H4zm5-4h11v2H9zm-5-4h16v2H4zm0-8h16v2H4zm5 4h11v2H9z" fill="currentColor"/>',
	width: 24,
	height: 24,
};

describe('Testing references', () => {
	test('basic icon reference', () => {
		let gotRef = false;
		const component = renderer.create(
			<Icon
				icon={iconData}
				ref={(element) => {
					gotRef = true;
				}}
			/>
		);

		// Ref should have been called by now
		expect(gotRef).toEqual(true);
	});

	test('inline icon reference', () => {
		let gotRef = false;
		const component = renderer.create(
			<InlineIcon
				icon={iconData}
				ref={(element) => {
					gotRef = true;
				}}
			/>
		);

		// Ref should have been called by now
		expect(gotRef).toEqual(true);
	});

	test('placeholder reference', () => {
		let gotRef = false;
		const component = renderer.create(
			<Icon
				ref={(element) => {
					gotRef = true;
				}}
			/>
		);

		// Ref should not have been called
		expect(gotRef).toEqual(false);
	});
});