iconify/packages/utils/tests/iconify-icon-test.ts

import { loadNodeIcon } from '../lib/loader/node-loader';

describe('Testing loadIcon with @iconify-json/flat-color-icons>', () => {
	test('loadIcon works', async () => {
		const result = await loadNodeIcon('flat-color-icons', 'up-right');
		expect(result).toBeTruthy();
	});

	test('loadIcon adds xmlns:xlink', async () => {
		const result = await loadNodeIcon('flat-color-icons', 'up-right', {
			addXmlNs: true,
		});
		expect(result).toBeTruthy();
		expect(result && result.indexOf('xmlns:xlink=') > -1).toBeTruthy();
	});

	test('loadIcon with customize with default style and class', async () => {
		const result = await loadNodeIcon('flat-color-icons', 'up-right', {
			defaultStyle: 'margin-top: 1rem;',
			defaultClass: 'clazz',
			customizations: {
				customize(props) {
					props.width = '2em';
					props.height = '2em';
					return props;
				},
			},
		});
		expect(result).toBeTruthy();
		expect(result && result.indexOf('margin-top: 1rem;') > -1).toBeTruthy();
		expect(result && result.indexOf('class="clazz"') > -1).toBeTruthy();
		expect(result && result.indexOf('width="2em"') > -1).toBeTruthy();
		expect(result && result.indexOf('height="2em"') > -1).toBeTruthy();
	});

	test('loadIcon preserves customizations order', async () => {
		const result = await loadNodeIcon('flat-color-icons', 'up-right', {
			scale: 1,
			defaultStyle: 'color: red;',
			defaultClass: 'clazz1',
			customizations: {
				additionalProps: {
					width: '2em',
					height: '2em',
					style: 'color: blue;',
					class: 'clazz2',
				},
				// it will never be called, it is not a custom icon
				transform(svg) {
					return svg.replace(
						'<svg ',
						'<svg width="4em" height="4em" '
					);
				},
			},
		});
		expect(result).toBeTruthy();
		expect(result && result.includes('style="color: blue;"')).toBeTruthy();
		expect(result && result.includes('class="clazz2"')).toBeTruthy();
		expect(result && result.includes('width="2em"')).toBeTruthy();
		expect(result && result.includes('height="2em"')).toBeTruthy();
	});

	test('loadIcon apply scale', async () => {
		const result = await loadNodeIcon('flat-color-icons', 'up-right', {
			scale: 1.2,
			defaultStyle: 'color: red;',
			defaultClass: 'clazz1',
			customizations: {
				additionalProps: {
					style: 'color: blue;',
					class: 'clazz2',
				},
				// it will never be called, it is not a custom icon
				transform(svg) {
					return svg.replace(
						'<svg ',
						'<svg width="4em" height="4em" '
					);
				},
			},
		});
		expect(result).toBeTruthy();
		expect(result && result.includes('style="color: blue;"')).toBeTruthy();
		expect(result && result.includes('class="clazz2"')).toBeTruthy();
		expect(result && result.includes('width="1.2em"')).toBeTruthy();
		expect(result && result.includes('height="1.2em"')).toBeTruthy();
	});

	test('loadIcon with unset width', async () => {
		const result = await loadNodeIcon('flat-color-icons', 'up-right', {
			customizations: {
				additionalProps: {
					width: 'unset',
				},
			},
		});
		expect(result).toBeTruthy();
		expect(result && result.includes('width="')).toBeFalsy();
		expect(result && result.includes('height="1em"')).toBeTruthy();
	});

	test('loadIcon with 0 scale', async () => {
		const result = await loadNodeIcon('flat-color-icons', 'up-right', {
			scale: 0,
		});
		expect(result).toBeTruthy();
		expect(result && result.includes('width="')).toBeFalsy();
		expect(result && result.includes('height="')).toBeFalsy();
	});

	test('loadIcon with 0 scale and custom height', async () => {
		const result = await loadNodeIcon('flat-color-icons', 'up-right', {
			scale: 0,
			customizations: {
				additionalProps: {
					height: '1em',
				},
			},
		});
		expect(result).toBeTruthy();
		expect(result && result.includes('width="')).toBeFalsy();
		expect(result && result.includes('height="1em"')).toBeTruthy();
	});
});