/** * Copyright 2018 Google Inc. All rights reserved. * Modifications copyright (c) Microsoft Corporation. * * 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 * * http://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 { it, expect } from './fixtures'; it('should work with large DOM', async ({page, server}) => { await page.evaluate(() => { let id = 0; const next = (tag: string) => { const e = document.createElement(tag); const eid = ++id; e.textContent = 'id' + eid; e.id = '' + eid; return e; }; const generate = (depth: number) => { const div = next('div'); const span1 = next('span'); const span2 = next('span'); div.appendChild(span1); div.appendChild(span2); if (depth > 0) { div.appendChild(generate(depth - 1)); div.appendChild(generate(depth - 1)); } return div; }; document.body.appendChild(generate(12)); }); const selectors = [ 'div div div span', 'div > div div > span', 'div + div div div span + span', 'div ~ div div > span ~ span', 'div > div > div + div > div + div > span ~ span', 'div div div div div div div div div div span', 'div > div > div > div > div > div > div > div > div > div > span', 'div ~ div div ~ div div ~ div div ~ div div ~ div span', 'span', ]; const measure = false; for (const selector of selectors) { const counts1 = []; const time1 = Date.now(); for (let i = 0; i < (measure ? 10 : 1); i++) counts1.push(await page.$$eval(selector, els => els.length)); if (measure) console.log('pw: ' + (Date.now() - time1)); const time2 = Date.now(); const counts2 = []; for (let i = 0; i < (measure ? 10 : 1); i++) counts2.push(await page.evaluate(selector => document.querySelectorAll(selector).length, selector)); if (measure) console.log('qs: ' + (Date.now() - time2)); expect(counts1).toEqual(counts2); } }); it('should work for open shadow roots', async ({page, server}) => { await page.goto(server.PREFIX + '/deep-shadow.html'); expect(await page.$eval(`css=span`, e => e.textContent)).toBe('Hello from root1'); expect(await page.$eval(`css=[attr="value\\ space"]`, e => e.textContent)).toBe('Hello from root3 #2'); expect(await page.$eval(`css=[attr='value\\ \\space']`, e => e.textContent)).toBe('Hello from root3 #2'); expect(await page.$eval(`css=div div span`, e => e.textContent)).toBe('Hello from root2'); expect(await page.$eval(`css=div span + span`, e => e.textContent)).toBe('Hello from root3 #2'); expect(await page.$eval(`css=span + [attr*="value"]`, e => e.textContent)).toBe('Hello from root3 #2'); expect(await page.$eval(`css=[data-testid="foo"] + [attr*="value"]`, e => e.textContent)).toBe('Hello from root3 #2'); expect(await page.$eval(`css=#target`, e => e.textContent)).toBe('Hello from root2'); expect(await page.$eval(`css=div #target`, e => e.textContent)).toBe('Hello from root2'); expect(await page.$eval(`css=div div #target`, e => e.textContent)).toBe('Hello from root2'); expect(await page.$(`css=div div div #target`)).toBe(null); expect(await page.$eval(`css=section > div div span`, e => e.textContent)).toBe('Hello from root2'); expect(await page.$eval(`css=section > div div span:nth-child(2)`, e => e.textContent)).toBe('Hello from root3 #2'); expect(await page.$(`css=section div div div div`)).toBe(null); const root2 = await page.$(`css=div div`); expect(await root2.$eval(`css=#target`, e => e.textContent)).toBe('Hello from root2'); expect(await root2.$(`css:light=#target`)).toBe(null); const root2Shadow = await root2.evaluateHandle(r => r.shadowRoot); expect(await root2Shadow.$eval(`css:light=#target`, e => e.textContent)).toBe('Hello from root2'); const root3 = (await page.$$(`css=div div`))[1]; expect(await root3.$eval(`text=root3`, e => e.textContent)).toBe('Hello from root3'); expect(await root3.$eval(`css=[attr*="value"]`, e => e.textContent)).toBe('Hello from root3 #2'); expect(await root3.$(`css:light=[attr*="value"]`)).toBe(null); }); it('should work with > combinator and spaces', async ({page, server}) => { await page.setContent(`
`); expect(await page.$eval(`div[foo="bar"] > span`, e => e.outerHTML)).toBe(``); expect(await page.$eval(`div[foo="bar"]> span`, e => e.outerHTML)).toBe(``); expect(await page.$eval(`div[foo="bar"] >span`, e => e.outerHTML)).toBe(``); expect(await page.$eval(`div[foo="bar"]>span`, e => e.outerHTML)).toBe(``); expect(await page.$eval(`div[foo="bar"] > span`, e => e.outerHTML)).toBe(``); expect(await page.$eval(`div[foo="bar"]> span`, e => e.outerHTML)).toBe(``); expect(await page.$eval(`div[foo="bar"] >span`, e => e.outerHTML)).toBe(``); expect(await page.$eval(`div[foo="bar"][bar="baz"] > span`, e => e.outerHTML)).toBe(``); expect(await page.$eval(`div[foo="bar"][bar="baz"]> span`, e => e.outerHTML)).toBe(``); expect(await page.$eval(`div[foo="bar"][bar="baz"] >span`, e => e.outerHTML)).toBe(``); expect(await page.$eval(`div[foo="bar"][bar="baz"]>span`, e => e.outerHTML)).toBe(``); expect(await page.$eval(`div[foo="bar"][bar="baz"] > span`, e => e.outerHTML)).toBe(``); expect(await page.$eval(`div[foo="bar"][bar="baz"]> span`, e => e.outerHTML)).toBe(``); expect(await page.$eval(`div[foo="bar"][bar="baz"] >span`, e => e.outerHTML)).toBe(``); }); it('should work with comma separated list', async ({page, server}) => { await page.goto(server.PREFIX + '/deep-shadow.html'); expect(await page.$$eval(`css=span,section #root1`, els => els.length)).toBe(5); expect(await page.$$eval(`css=section #root1, div span`, els => els.length)).toBe(5); expect(await page.$eval(`css=doesnotexist , section #root1`, e => e.id)).toBe('root1'); expect(await page.$$eval(`css=doesnotexist ,section #root1`, els => els.length)).toBe(1); expect(await page.$$eval(`css=span,div span`, els => els.length)).toBe(4); expect(await page.$$eval(`css=span,div span,div div span`, els => els.length)).toBe(4); expect(await page.$$eval(`css=#target,[attr="value\\ space"]`, els => els.length)).toBe(2); expect(await page.$$eval(`css=#target,[data-testid="foo"],[attr="value\\ space"]`, els => els.length)).toBe(4); expect(await page.$$eval(`css=#target,[data-testid="foo"],[attr="value\\ space"],span`, els => els.length)).toBe(4); }); it('should keep dom order with comma separated list', async ({page}) => { await page.setContent(`
`); expect(await page.$$eval(`css=span,div`, els => els.map(e => e.nodeName).join(','))).toBe('SPAN,DIV'); expect(await page.$$eval(`css=div,span`, els => els.map(e => e.nodeName).join(','))).toBe('SPAN,DIV'); expect(await page.$$eval(`css=span div, div`, els => els.map(e => e.nodeName).join(','))).toBe('DIV'); expect(await page.$$eval(`*css=section >> css=div,span`, els => els.map(e => e.nodeName).join(','))).toBe('SECTION'); expect(await page.$$eval(`css=section >> *css=div >> css=x,y`, els => els.map(e => e.nodeName).join(','))).toBe('DIV'); expect(await page.$$eval(`css=section >> *css=div,span >> css=x,y`, els => els.map(e => e.nodeName).join(','))).toBe('SPAN,DIV'); expect(await page.$$eval(`css=section >> *css=div,span >> css=y`, els => els.map(e => e.nodeName).join(','))).toBe('SPAN,DIV'); }); it('should work with comma separated list in various positions', async ({page}) => { await page.setContent(`
`); expect(await page.$$eval(`css=span,div >> css=x,y`, els => els.map(e => e.nodeName).join(','))).toBe('X,Y'); expect(await page.$$eval(`css=span,div >> css=x`, els => els.map(e => e.nodeName).join(','))).toBe('X'); expect(await page.$$eval(`css=div >> css=x,y`, els => els.map(e => e.nodeName).join(','))).toBe('X,Y'); expect(await page.$$eval(`css=div >> css=x`, els => els.map(e => e.nodeName).join(','))).toBe('X'); expect(await page.$$eval(`css=section >> css=div >> css=x`, els => els.map(e => e.nodeName).join(','))).toBe('X'); expect(await page.$$eval(`css=section >> css=span >> css=div >> css=y`, els => els.map(e => e.nodeName).join(','))).toBe('Y'); expect(await page.$$eval(`css=section >> css=div >> css=x,y`, els => els.map(e => e.nodeName).join(','))).toBe('X,Y'); expect(await page.$$eval(`css=section >> css=div,span >> css=x,y`, els => els.map(e => e.nodeName).join(','))).toBe('X,Y'); expect(await page.$$eval(`css=section >> css=span >> css=x,y`, els => els.map(e => e.nodeName).join(','))).toBe('X,Y'); }); it('should work with comma inside text', async ({page}) => { await page.setContent(`
`); expect(await page.$eval(`css=div[attr="hello,world!"]`, e => e.outerHTML)).toBe('
'); expect(await page.$eval(`css=[attr="hello,world!"]`, e => e.outerHTML)).toBe('
'); expect(await page.$eval(`css=div[attr='hello,world!']`, e => e.outerHTML)).toBe('
'); expect(await page.$eval(`css=[attr='hello,world!']`, e => e.outerHTML)).toBe('
'); expect(await page.$eval(`css=div[attr="hello,world!"],span`, e => e.outerHTML)).toBe(''); }); it('should work with attribute selectors', async ({page}) => { await page.setContent(`
`); await page.evaluate(() => window['div'] = document.querySelector('div')); const selectors = [ `[attr="hello world"]`, `[attr = "hello world"]`, `[attr ~= world]`, `[attr ^=hello ]`, `[attr $= world ]`, `[attr *= "llo wor" ]`, `[attr2 |= hello]`, `[attr = "Hello World" i ]`, `[attr *= "llo WOR"i]`, `[attr $= woRLD i]`, `[attr2 = "hello-''>>foo=bar[]"]`, `[attr2 $="foo=bar[]"]`, ]; for (const selector of selectors) expect(await page.$eval(selector, e => e === window['div'])).toBe(true); expect(await page.$eval(`[attr*=hello] span`, e => e.parentNode === window['div'])).toBe(true); expect(await page.$eval(`[attr*=hello] >> span`, e => e.parentNode === window['div'])).toBe(true); expect(await page.$eval(`[attr3="] span"] >> span`, e => e.parentNode === window['div'])).toBe(true); }); it('should not match root after >>', async ({page, server}) => { await page.setContent('
test
'); const element = await page.$('css=section >> css=section'); expect(element).toBe(null); }); it('should work with numerical id', async ({page, server}) => { await page.setContent('
'); const element = await page.$('#\\31\\32\\33'); expect(element).toBeTruthy(); }); it('should work with wrong-case id', async ({page}) => { await page.setContent('
'); expect(await page.$eval('#Hello', e => e.tagName)).toBe('SECTION'); expect(await page.$eval('#hello', e => e.tagName)).toBe('SECTION'); expect(await page.$eval('#HELLO', e => e.tagName)).toBe('SECTION'); expect(await page.$eval('#helLO', e => e.tagName)).toBe('SECTION'); }); it('should work with *', async ({page}) => { await page.setContent('
'); // Includes html, head and body. expect(await page.$$eval('*', els => els.length)).toBe(7); expect(await page.$$eval('*#div1', els => els.length)).toBe(1); expect(await page.$$eval('*:not(#div1)', els => els.length)).toBe(6); expect(await page.$$eval('*:not(div)', els => els.length)).toBe(5); expect(await page.$$eval('*:not(span)', els => els.length)).toBe(5); expect(await page.$$eval('*:not(*)', els => els.length)).toBe(0); expect(await page.$$eval('*:is(*)', els => els.length)).toBe(7); expect(await page.$$eval('* *', els => els.length)).toBe(6); expect(await page.$$eval('* *:not(span)', els => els.length)).toBe(4); expect(await page.$$eval('div > *', els => els.length)).toBe(1); expect(await page.$$eval('div *', els => els.length)).toBe(2); expect(await page.$$eval('* > *', els => els.length)).toBe(6); const body = await page.$('body'); // Does not include html, head or body. expect(await body.$$eval('*', els => els.length)).toBe(4); expect(await body.$$eval('*#div1', els => els.length)).toBe(1); expect(await body.$$eval('*:not(#div1)', els => els.length)).toBe(3); expect(await body.$$eval('*:not(div)', els => els.length)).toBe(2); expect(await body.$$eval('*:not(span)', els => els.length)).toBe(2); expect(await body.$$eval('*:not(*)', els => els.length)).toBe(0); expect(await body.$$eval('*:is(*)', els => els.length)).toBe(4); expect(await body.$$eval('div > *', els => els.length)).toBe(1); expect(await body.$$eval('div *', els => els.length)).toBe(2); // Selectors v2 matches jquery in the sense that matching starts with the element scope, // not the document scope. expect(await body.$$eval('* > *', els => els.length)).toBe(2); // Adding scope makes querySelectorAll work like jquery. expect(await body.$$eval(':scope * > *', els => els.length)).toBe(2); // Note that the following two selectors are following jquery logic even // with selectors v1. Just running `body.querySelectorAll` returns 4 and 2 respectively. // That's probably a bug in v1, but oh well. expect(await body.$$eval('* *', els => els.length)).toBe(2); expect(await body.$$eval('* *:not(span)', els => els.length)).toBe(0); }); it('should work with :nth-child', async ({page, server}) => { await page.goto(server.PREFIX + '/deep-shadow.html'); expect(await page.$$eval(`css=span:nth-child(odd)`, els => els.length)).toBe(3); expect(await page.$$eval(`css=span:nth-child(even)`, els => els.length)).toBe(1); expect(await page.$$eval(`css=span:nth-child(n+1)`, els => els.length)).toBe(4); expect(await page.$$eval(`css=span:nth-child(n+2)`, els => els.length)).toBe(1); expect(await page.$$eval(`css=span:nth-child(2n)`, els => els.length)).toBe(1); expect(await page.$$eval(`css=span:nth-child(2n+1)`, els => els.length)).toBe(3); expect(await page.$$eval(`css=span:nth-child(-n)`, els => els.length)).toBe(0); expect(await page.$$eval(`css=span:nth-child(-n+1)`, els => els.length)).toBe(3); expect(await page.$$eval(`css=span:nth-child(-n+2)`, els => els.length)).toBe(4); expect(await page.$$eval(`css=span:nth-child(23n+2)`, els => els.length)).toBe(1); }); it('should work with :not', async ({page, server}) => { await page.goto(server.PREFIX + '/deep-shadow.html'); expect(await page.$$eval(`css=div:not(#root1)`, els => els.length)).toBe(2); expect(await page.$$eval(`css=body :not(span)`, els => els.length)).toBe(4); expect(await page.$$eval(`css=div > :not(span):not(div)`, els => els.length)).toBe(0); }); it('should work with ~', async ({page}) => { await page.setContent(`
`); expect(await page.$$eval(`css=#div1 ~ div ~ #div6`, els => els.length)).toBe(1); expect(await page.$$eval(`css=#div1 ~ div ~ div`, els => els.length)).toBe(4); expect(await page.$$eval(`css=#div3 ~ div ~ div`, els => els.length)).toBe(2); expect(await page.$$eval(`css=#div4 ~ div ~ div`, els => els.length)).toBe(1); expect(await page.$$eval(`css=#div5 ~ div ~ div`, els => els.length)).toBe(0); expect(await page.$$eval(`css=#div3 ~ #div2 ~ #div6`, els => els.length)).toBe(0); expect(await page.$$eval(`css=#div3 ~ #div4 ~ #div5`, els => els.length)).toBe(1); }); it('should work with +', async ({page}) => { await page.setContent(`
`); expect(await page.$$eval(`css=#div1 ~ div + #div6`, els => els.length)).toBe(1); expect(await page.$$eval(`css=#div1 ~ div + div`, els => els.length)).toBe(4); expect(await page.$$eval(`css=#div3 + div + div`, els => els.length)).toBe(1); expect(await page.$$eval(`css=#div4 ~ #div5 + div`, els => els.length)).toBe(1); expect(await page.$$eval(`css=#div5 + div + div`, els => els.length)).toBe(0); expect(await page.$$eval(`css=#div3 ~ #div2 + #div6`, els => els.length)).toBe(0); expect(await page.$$eval(`css=#div3 + #div4 + #div5`, els => els.length)).toBe(1); expect(await page.$$eval(`css=div + #div1`, els => els.length)).toBe(0); expect(await page.$$eval(`css=section > div + div ~ div`, els => els.length)).toBe(4); expect(await page.$$eval(`css=section > div + #div4 ~ div`, els => els.length)).toBe(2); expect(await page.$$eval(`css=section:has(:scope > div + #div2)`, els => els.length)).toBe(1); expect(await page.$$eval(`css=section:has(:scope > div + #div1)`, els => els.length)).toBe(0); // TODO: the following does not work. Should it? // expect(await page.$eval(`css=div:has(:scope + #div5)`, e => e.id)).toBe('div4'); }); it('should work with spaces in :nth-child and :not', async ({page, server}) => { await page.goto(server.PREFIX + '/deep-shadow.html'); expect(await page.$$eval(`css=span:nth-child(23n +2)`, els => els.length)).toBe(1); expect(await page.$$eval(`css=span:nth-child(23n+ 2)`, els => els.length)).toBe(1); expect(await page.$$eval(`css=span:nth-child( 23n + 2 )`, els => els.length)).toBe(1); expect(await page.$$eval(`css=span:not(#root1 #target)`, els => els.length)).toBe(3); expect(await page.$$eval(`css=span:not(:not(#root1 #target))`, els => els.length)).toBe(1); expect(await page.$$eval(`css=span:not(span:not(#root1 #target))`, els => els.length)).toBe(1); expect(await page.$$eval(`css=div > :not(span)`, els => els.length)).toBe(2); expect(await page.$$eval(`css=body :not(span, div)`, els => els.length)).toBe(1); expect(await page.$$eval(`css=span, section:not(span, div)`, els => els.length)).toBe(5); expect(await page.$$eval(`span:nth-child(23n+ 2) >> xpath=.`, els => els.length)).toBe(1); }); it('should work with :is', async ({page, server}) => { await page.goto(server.PREFIX + '/deep-shadow.html'); expect(await page.$$eval(`css=div:is(#root1)`, els => els.length)).toBe(1); expect(await page.$$eval(`css=div:is(#root1, #target)`, els => els.length)).toBe(1); expect(await page.$$eval(`css=div:is(span, #target)`, els => els.length)).toBe(0); expect(await page.$$eval(`css=div:is(span, #root1 > *)`, els => els.length)).toBe(2); expect(await page.$$eval(`css=div:is(section div)`, els => els.length)).toBe(3); expect(await page.$$eval(`css=:is(div, span)`, els => els.length)).toBe(7); expect(await page.$$eval(`css=section:is(section) div:is(section div)`, els => els.length)).toBe(3); expect(await page.$$eval(`css=:is(div, span) > *`, els => els.length)).toBe(6); expect(await page.$$eval(`css=#root1:has(:is(#root1))`, els => els.length)).toBe(0); expect(await page.$$eval(`css=#root1:has(:is(:scope, #root1))`, els => els.length)).toBe(1); }); it('should work with :has', async ({page, server}) => { await page.goto(server.PREFIX + '/deep-shadow.html'); expect(await page.$$eval(`css=div:has(#target)`, els => els.length)).toBe(2); expect(await page.$$eval(`css=div:has([data-testid=foo])`, els => els.length)).toBe(3); expect(await page.$$eval(`css=div:has([attr*=value])`, els => els.length)).toBe(2); await page.setContent(`

`); expect(await page.$$eval(`section:has(span, div)`, els => els.length)).toBe(1); expect(await page.$$eval(`section:has(span, div)`, els => els.length)).toBe(1); expect(await page.$$eval(`section:has(br)`, els => els.length)).toBe(1); expect(await page.$$eval(`section:has(span, br)`, els => els.length)).toBe(2); expect(await page.$$eval(`section:has(span, br, div)`, els => els.length)).toBe(2); }); it('should work with :scope', async ({page, server}) => { await page.goto(server.PREFIX + '/deep-shadow.html'); // 'is' does not change the scope, so it remains 'html'. expect(await page.$$eval(`css=div:is(:scope#root1)`, els => els.length)).toBe(0); expect(await page.$$eval(`css=div:is(:scope #root1)`, els => els.length)).toBe(1); // 'has' does change the scope, so it becomes the 'div' we are querying. expect(await page.$$eval(`css=div:has(:scope > #target)`, els => els.length)).toBe(1); const handle = await page.$(`css=span`); for (const scope of [page, handle]) { expect(await scope.$$eval(`css=:scope`, els => els.length)).toBe(1); expect(await scope.$$eval(`css=* :scope`, els => els.length)).toBe(0); expect(await scope.$$eval(`css=* + :scope`, els => els.length)).toBe(0); expect(await scope.$$eval(`css=* > :scope`, els => els.length)).toBe(0); expect(await scope.$$eval(`css=* ~ :scope`, els => els.length)).toBe(0); } });