108 lines
4.5 KiB
TypeScript
108 lines
4.5 KiB
TypeScript
/**
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* Copyright (c) Microsoft Corporation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { it, expect } from './fixtures';
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import * as path from 'path';
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const { parseCSS, serializeSelector: serialize } =
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require(path.join(__dirname, '..', 'lib', 'server', 'common', 'cssParser'));
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const parse = (selector: string) => {
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return parseCSS(selector, new Set(['text', 'not', 'has', 'react', 'scope', 'right-of', 'scope', 'is'])).selector;
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};
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it('should parse css', async () => {
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expect(serialize(parse('div'))).toBe('div');
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expect(serialize(parse('div.class'))).toBe('div.class');
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expect(serialize(parse('.class'))).toBe('.class');
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expect(serialize(parse('#id'))).toBe('#id');
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expect(serialize(parse('.class#id'))).toBe('.class#id');
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expect(serialize(parse('div#id.class'))).toBe('div#id.class');
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expect(serialize(parse('*'))).toBe('*');
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expect(serialize(parse('*div'))).toBe('*div');
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expect(serialize(parse('div[attr *= foo i]'))).toBe('div[attr *= foo i]');
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expect(serialize(parse('div[attr~="Bar baz" ]'))).toBe('div[attr~="Bar baz" ]');
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expect(serialize(parse(`div [ foo = 'bar' s]`))).toBe(`div [ foo = "bar" s]`);
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expect(serialize(parse(':hover'))).toBe(':hover');
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expect(serialize(parse('div:hover'))).toBe('div:hover');
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expect(serialize(parse('#id:active:hover'))).toBe('#id:active:hover');
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expect(serialize(parse(':dir(ltr)'))).toBe(':dir(ltr)');
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expect(serialize(parse('#foo-bar.cls:nth-child(3n + 10)'))).toBe('#foo-bar.cls:nth-child(3n + 10)');
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expect(serialize(parse(':lang(en)'))).toBe(':lang(en)');
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expect(serialize(parse('*:hover'))).toBe('*:hover');
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expect(serialize(parse('div span'))).toBe('div span');
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expect(serialize(parse('div>span'))).toBe('div > span');
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expect(serialize(parse('div +span'))).toBe('div + span');
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expect(serialize(parse('div~ span'))).toBe('div ~ span');
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expect(serialize(parse('div >.class #id+ span'))).toBe('div > .class #id + span');
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expect(serialize(parse('div>span+.class'))).toBe('div > span + .class');
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expect(serialize(parse('div:not(span)'))).toBe('div:not(span)');
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expect(serialize(parse(':not(span)#id'))).toBe('#id:not(span)');
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expect(serialize(parse('div:not(span):hover'))).toBe('div:hover:not(span)');
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expect(serialize(parse('div:has(span):hover'))).toBe('div:hover:has(span)');
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expect(serialize(parse('div:right-of(span):hover'))).toBe('div:hover:right-of(span)');
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expect(serialize(parse(':right-of(span):react(foobar)'))).toBe(':right-of(span):react(foobar)');
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expect(serialize(parse('div:is(span):hover'))).toBe('div:hover:is(span)');
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expect(serialize(parse('div:scope:hover'))).toBe('div:hover:scope()');
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expect(serialize(parse('div:sCOpe:HOVER'))).toBe('div:HOVER:scope()');
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expect(serialize(parse('div:NOT(span):hoVER'))).toBe('div:hoVER:not(span)');
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expect(serialize(parse(':text("foo")'))).toBe(':text("foo")');
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expect(serialize(parse(':text("*")'))).toBe(':text("*")');
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expect(serialize(parse(':text(*)'))).toBe(':text(*)');
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expect(serialize(parse(':text("foo", normalize-space)'))).toBe(':text("foo", normalize-space)');
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expect(serialize(parse(':index(3, div span)'))).toBe(':index(3, div span)');
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expect(serialize(parse(':is(foo, bar>baz.cls+:not(qux))'))).toBe(':is(foo, bar > baz.cls + :not(qux))');
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});
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it('should throw on malformed css', async () => {
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function expectError(selector: string) {
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let error = { message: '' };
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try {
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parse(selector);
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} catch (e) {
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error = e;
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}
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expect(error.message).toContain(`while parsing selector "${selector}"`);
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}
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expectError('');
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expectError('.');
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expectError('#');
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expectError('..');
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expectError('#.');
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expectError('.#');
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expectError('[attr=');
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expectError(':not(div');
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expectError('div)');
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expectError('()');
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expectError(':not(##)');
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expectError(':not()');
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expectError(':not(.)');
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expectError('div,');
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expectError(',div');
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expectError('div,,span');
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expectError('div > > span');
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expectError('div > > > > span');
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expectError('div >');
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expectError('"foo"');
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expectError('23');
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expectError('span, div>"foo"');
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});
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