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7e6e5f0706
This PR fixes the react selector behavior to support components that are
wrapped by the memo or forwardRef React builtin functions.
Previously these components couldn't be selected. This PR fixes that
behavior, enabling selecting those components.
Current behavior:
```
const Foo = memo(() => <div id="foo_component" />);
Foo.displayName = "Foo";
...
playwright.$("_react=Foo") -> undefined
```
Fixed behavior:
```
const Foo = memo(() => <div id="foo_component" />);
Foo.displayName = "Foo";
...
playwright.$("_react=Foo") -> <div id ="foo_component" />
```
180 lines
8.7 KiB
TypeScript
180 lines
8.7 KiB
TypeScript
/**
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* Copyright 2018 Google Inc. All rights reserved.
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* Modifications 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 { test as it, expect } from './pageTest';
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const reacts = {
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'react15': '/reading-list/react15.html',
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'react16': '/reading-list/react16.html',
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'react17': '/reading-list/react17.html',
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'react18': '/reading-list/react18.html',
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};
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for (const [name, url] of Object.entries(reacts)) {
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it.describe(name, () => {
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it.beforeEach(async ({ page, server }) => {
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await page.goto(server.PREFIX + url);
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});
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it('should work with single-root elements @smoke', async ({ page }) => {
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await expect(page.locator(`_react=BookList`)).toHaveCount(1);
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await expect(page.locator(`_react=BookItem`)).toHaveCount(3);
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await expect(page.locator(`_react=BookList >> _react=BookItem`)).toHaveCount(3);
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await expect(page.locator(`_react=BookItem >> _react=BookList`)).toHaveCount(0);
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});
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it('should work with multi-root elements (fragments)', async ({ page }) => {
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it.skip(name === 'react15', 'React 15 does not support fragments');
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await expect(page.locator(`_react=App`)).toHaveCount(15);
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await expect(page.locator(`_react=AppHeader`)).toHaveCount(2);
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await expect(page.locator(`_react=NewBook`)).toHaveCount(2);
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});
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it('should not crash when there is no match', async ({ page }) => {
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await expect(page.locator(`_react=Apps`)).toHaveCount(0);
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await expect(page.locator(`_react=BookLi`)).toHaveCount(0);
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});
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it('should compose', async ({ page }) => {
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await expect(page.locator(`_react=NewBook >> _react=button`)).toHaveText('new book');
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expect(await page.$eval(`_react=NewBook >> _react=input`, el => el.tagName)).toBe('INPUT');
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await expect(page.locator(`_react=BookItem >> text=Gatsby`)).toHaveText('The Great Gatsby');
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});
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it('should query by props combinations', async ({ page }) => {
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await expect(page.locator(`_react=BookItem[name="The Great Gatsby"]`)).toHaveCount(1);
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await expect(page.locator(`_react=BookItem[name="the great gatsby" i]`)).toHaveCount(1);
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await expect(page.locator(`_react=li[key="The Great Gatsby"]`)).toHaveCount(1);
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await expect(page.locator(`_react=ColorButton[nested.index = 0]`)).toHaveCount(1);
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await expect(page.locator(`_react=ColorButton[nested.nonexisting.index = 0]`)).toHaveCount(0);
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await expect(page.locator(`_react=ColorButton[nested.index.nonexisting = 0]`)).toHaveCount(0);
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await expect(page.locator(`_react=ColorButton[nested.index.nonexisting = 1]`)).toHaveCount(0);
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await expect(page.locator(`_react=ColorButton[nested.value = 4.1]`)).toHaveCount(1);
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await expect(page.locator(`_react=ColorButton[enabled = false]`)).toHaveCount(4);
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await expect(page.locator(`_react=ColorButton[enabled = true] `)).toHaveCount(5);
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await expect(page.locator(`_react=ColorButton[enabled = true][color = "red"]`)).toHaveCount(2);
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await expect(page.locator(`_react=ColorButton[enabled = true][color = "red"i][nested.index = 6]`)).toHaveCount(1);
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});
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it('should exact match by props', async ({ page }) => {
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await expect(page.locator(`_react=BookItem[name = "The Great Gatsby"]`)).toHaveText('The Great Gatsby');
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await expect(page.locator(`_react=BookItem[name = "The Great Gatsby"]`)).toHaveCount(1);
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// case sensitive by default
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await expect(page.locator(`_react=BookItem[name = "the great gatsby"]`)).toHaveCount(0);
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await expect(page.locator(`_react=BookItem[name = "the great gatsby" s]`)).toHaveCount(0);
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await expect(page.locator(`_react=BookItem[name = "the great gatsby" S]`)).toHaveCount(0);
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// case insensitive with flag
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await expect(page.locator(`_react=BookItem[name = "the great gatsby" i]`)).toHaveCount(1);
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await expect(page.locator(`_react=BookItem[name = "the great gatsby" I]`)).toHaveCount(1);
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await expect(page.locator(`_react=BookItem[name = " The Great Gatsby "]`)).toHaveCount(0);
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});
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it('should partially match by props', async ({ page }) => {
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// Check partial matching
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await expect(page.locator(`_react=BookItem[name *= "Gatsby"]`)).toHaveText('The Great Gatsby');
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await expect(page.locator(`_react=BookItem[name *= "Gatsby"]`)).toHaveCount(1);
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await expect(page.locator(`_react=[name *= "Gatsby"]`)).toHaveCount(1);
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await expect(page.locator(`_react=BookItem[name = "Gatsby"]`)).toHaveCount(0);
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});
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it('should support all string operators', async ({ page }) => {
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await expect(page.locator(`_react=ColorButton[color = "red"]`)).toHaveCount(3);
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await expect(page.locator(`_react=ColorButton[color |= "red"]`)).toHaveCount(3);
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await expect(page.locator(`_react=ColorButton[color $= "ed"]`)).toHaveCount(3);
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await expect(page.locator(`_react=ColorButton[color ^= "gr"]`)).toHaveCount(3);
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await expect(page.locator(`_react=ColorButton[color ~= "e"]`)).toHaveCount(0);
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await expect(page.locator(`_react=BookItem[name ~= "gatsby" i]`)).toHaveCount(1);
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await expect(page.locator(`_react=BookItem[name *= " gatsby" i]`)).toHaveCount(1);
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});
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it('should support regex', async ({ page }) => {
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await expect(page.locator(`_react=ColorButton[color = /red/]`)).toHaveCount(3);
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await expect(page.locator(`_react=ColorButton[color = /^red$/]`)).toHaveCount(3);
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await expect(page.locator(`_react=ColorButton[color = /RED/i]`)).toHaveCount(3);
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await expect(page.locator(`_react=ColorButton[color = /[pqr]ed/]`)).toHaveCount(3);
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await expect(page.locator(`_react=ColorButton[color = /[pq]ed/]`)).toHaveCount(0);
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await expect(page.locator(`_react=BookItem[name = /gat.by/i]`)).toHaveCount(1);
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});
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it('should support truthy querying', async ({ page }) => {
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await expect(page.locator(`_react=ColorButton[enabled]`)).toHaveCount(5);
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});
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it('should support nested react trees', async ({ page }) => {
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await expect(page.locator(`_react=BookItem`)).toHaveCount(3);
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await page.evaluate(() => {
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// @ts-ignore
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mountNestedApp();
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});
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await expect(page.locator(`_react=BookItem`)).toHaveCount(6);
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});
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it('should work with react memo', async ({ page }) => {
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it.skip(name === 'react15' || name === 'react16', 'Class components dont support memo');
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await expect(page.locator(`_react=ButtonGrid`)).toHaveCount(9);
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});
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it('should work with multiroot react', async ({ page }) => {
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await it.step('mount second root', async () => {
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await expect(page.locator(`_react=BookItem`)).toHaveCount(3);
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await page.evaluate(() => {
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const anotherRoot = document.createElement('div');
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anotherRoot.id = 'root2';
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document.body.append(anotherRoot);
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// @ts-ignore
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window.mountApp(anotherRoot);
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});
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await expect(page.locator(`_react=BookItem`)).toHaveCount(6);
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});
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await it.step('add a new book to second root', async () => {
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await page.locator('#root2 input').fill('newbook');
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await page.locator('#root2 >> text=new book').click();
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await expect(page.locator('css=#root >> _react=BookItem')).toHaveCount(3);
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await expect(page.locator('css=#root2 >> _react=BookItem')).toHaveCount(4);
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});
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});
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it('should work with multiroot react inside shadow DOM', async ({ page }) => {
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await expect(page.locator(`_react=BookItem`)).toHaveCount(3);
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await page.evaluate(() => {
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const anotherRoot = document.createElement('div');
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document.body.append(anotherRoot);
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const shadowRoot = anotherRoot.attachShadow({ mode: 'open' });
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// @ts-ignore
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window.mountApp(shadowRoot);
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});
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await expect(page.locator(`_react=BookItem`)).toHaveCount(6);
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});
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it('should work with multiroot react after unmount', async ({ page }) => {
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await expect(page.locator(`_react=BookItem`)).toHaveCount(3);
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await page.evaluate(() => {
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const anotherRoot = document.createElement('div');
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document.body.append(anotherRoot);
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// @ts-ignore
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const newRoot = window.mountApp(anotherRoot);
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newRoot.unmount();
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});
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await expect(page.locator(`_react=BookItem`)).toHaveCount(3);
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});
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});
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}
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