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playwright/test/keyboard.spec.js

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JavaScript
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/**
* 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.
*/
const utils = require('./utils');
const {FFOX, CHROMIUM, WEBKIT, MAC, LINUX} = require('./utils').testOptions(browserType);
describe('Keyboard', function() {
it('should type into a textarea', async({page, server}) => {
await page.evaluate(() => {
const textarea = document.createElement('textarea');
document.body.appendChild(textarea);
textarea.focus();
});
const text = 'Hello world. I am the text that was typed!';
await page.keyboard.type(text);
expect(await page.evaluate(() => document.querySelector('textarea').value)).toBe(text);
});
it('should move with the arrow keys', async({page, server}) => {
await page.goto(server.PREFIX + '/input/textarea.html');
await page.type('textarea', 'Hello World!');
expect(await page.evaluate(() => document.querySelector('textarea').value)).toBe('Hello World!');
for (let i = 0; i < 'World!'.length; i++)
page.keyboard.press('ArrowLeft');
await page.keyboard.type('inserted ');
expect(await page.evaluate(() => document.querySelector('textarea').value)).toBe('Hello inserted World!');
page.keyboard.down('Shift');
for (let i = 0; i < 'inserted '.length; i++)
page.keyboard.press('ArrowLeft');
page.keyboard.up('Shift');
await page.keyboard.press('Backspace');
expect(await page.evaluate(() => document.querySelector('textarea').value)).toBe('Hello World!');
});
it('should send a character with ElementHandle.press', async({page, server}) => {
await page.goto(server.PREFIX + '/input/textarea.html');
const textarea = await page.$('textarea');
await textarea.press('a');
expect(await page.evaluate(() => document.querySelector('textarea').value)).toBe('a');
await page.evaluate(() => window.addEventListener('keydown', e => e.preventDefault(), true));
await textarea.press('b');
expect(await page.evaluate(() => document.querySelector('textarea').value)).toBe('a');
});
it('should send a character with sendCharacter', async({page, server}) => {
await page.goto(server.PREFIX + '/input/textarea.html');
await page.focus('textarea');
await page.keyboard.insertText('嗨');
expect(await page.evaluate(() => document.querySelector('textarea').value)).toBe('嗨');
await page.evaluate(() => window.addEventListener('keydown', e => e.preventDefault(), true));
await page.keyboard.insertText('a');
expect(await page.evaluate(() => document.querySelector('textarea').value)).toBe('嗨a');
});
it('insertText should only emit input event', async({page, server}) => {
await page.goto(server.PREFIX + '/input/textarea.html');
await page.focus('textarea');
page.on('console', m => console.log(m.text()));
await page.evaluate(() => {
window.events = [];
document.addEventListener('keydown', e => events.push(e.type));
document.addEventListener('keyup', e => events.push(e.type));
document.addEventListener('keypress', e => events.push(e.type));
document.addEventListener('input', e => events.push(e.type));
});
await page.keyboard.insertText('hello world');
expect(await page.evaluate('window.events')).toEqual(['input']);
});
it.fail(FFOX && MAC)('should report shiftKey', async({page, server}) => {
await page.goto(server.PREFIX + '/input/keyboard.html');
const keyboard = page.keyboard;
const codeForKey = {'Shift': 16, 'Alt': 18, 'Control': 17};
for (const modifierKey in codeForKey) {
await keyboard.down(modifierKey);
expect(await page.evaluate(() => getResult())).toBe('Keydown: ' + modifierKey + ' ' + modifierKey + 'Left ' + codeForKey[modifierKey] + ' [' + modifierKey + ']');
await keyboard.down('!');
// Shift+! will generate a keypress
if (modifierKey === 'Shift')
expect(await page.evaluate(() => getResult())).toBe('Keydown: ! Digit1 49 [' + modifierKey + ']\nKeypress: ! Digit1 33 33 [' + modifierKey + ']');
else
expect(await page.evaluate(() => getResult())).toBe('Keydown: ! Digit1 49 [' + modifierKey + ']');
await keyboard.up('!');
expect(await page.evaluate(() => getResult())).toBe('Keyup: ! Digit1 49 [' + modifierKey + ']');
await keyboard.up(modifierKey);
expect(await page.evaluate(() => getResult())).toBe('Keyup: ' + modifierKey + ' ' + modifierKey + 'Left ' + codeForKey[modifierKey] + ' []');
}
});
it('should report multiple modifiers', async({page, server}) => {
await page.goto(server.PREFIX + '/input/keyboard.html');
const keyboard = page.keyboard;
await keyboard.down('Control');
expect(await page.evaluate(() => getResult())).toBe('Keydown: Control ControlLeft 17 [Control]');
await keyboard.down('Alt');
expect(await page.evaluate(() => getResult())).toBe('Keydown: Alt AltLeft 18 [Alt Control]');
await keyboard.down(';');
expect(await page.evaluate(() => getResult())).toBe('Keydown: ; Semicolon 186 [Alt Control]');
await keyboard.up(';');
expect(await page.evaluate(() => getResult())).toBe('Keyup: ; Semicolon 186 [Alt Control]');
await keyboard.up('Control');
expect(await page.evaluate(() => getResult())).toBe('Keyup: Control ControlLeft 17 [Alt]');
await keyboard.up('Alt');
expect(await page.evaluate(() => getResult())).toBe('Keyup: Alt AltLeft 18 []');
});
it('should send proper codes while typing', async({page, server}) => {
await page.goto(server.PREFIX + '/input/keyboard.html');
await page.keyboard.type('!');
expect(await page.evaluate(() => getResult())).toBe(
[ 'Keydown: ! Digit1 49 []',
'Keypress: ! Digit1 33 33 []',
'Keyup: ! Digit1 49 []'].join('\n'));
await page.keyboard.type('^');
expect(await page.evaluate(() => getResult())).toBe(
[ 'Keydown: ^ Digit6 54 []',
'Keypress: ^ Digit6 94 94 []',
'Keyup: ^ Digit6 54 []'].join('\n'));
});
it('should send proper codes while typing with shift', async({page, server}) => {
await page.goto(server.PREFIX + '/input/keyboard.html');
const keyboard = page.keyboard;
await keyboard.down('Shift');
await page.keyboard.type('~');
expect(await page.evaluate(() => getResult())).toBe(
[ 'Keydown: Shift ShiftLeft 16 [Shift]',
'Keydown: ~ Backquote 192 [Shift]', // 192 is ` keyCode
'Keypress: ~ Backquote 126 126 [Shift]', // 126 is ~ charCode
'Keyup: ~ Backquote 192 [Shift]'].join('\n'));
await keyboard.up('Shift');
});
it('should not type canceled events', async({page, server}) => {
await page.goto(server.PREFIX + '/input/textarea.html');
await page.focus('textarea');
await page.evaluate(() => {
window.addEventListener('keydown', event => {
event.stopPropagation();
event.stopImmediatePropagation();
if (event.key === 'l')
event.preventDefault();
if (event.key === 'o')
event.preventDefault();
}, false);
});
await page.keyboard.type('Hello World!');
expect(await page.evaluate(() => textarea.value)).toBe('He Wrd!');
});
it('should press plus', async({page, server}) => {
await page.goto(server.PREFIX + '/input/keyboard.html');
await page.keyboard.press('+');
expect(await page.evaluate(() => getResult())).toBe(
[ 'Keydown: + Equal 187 []', // 192 is ` keyCode
'Keypress: + Equal 43 43 []', // 126 is ~ charCode
'Keyup: + Equal 187 []'].join('\n'));
});
it('should press shift plus', async({page, server}) => {
await page.goto(server.PREFIX + '/input/keyboard.html');
await page.keyboard.press('Shift++');
expect(await page.evaluate(() => getResult())).toBe(
[ 'Keydown: Shift ShiftLeft 16 [Shift]',
'Keydown: + Equal 187 [Shift]', // 192 is ` keyCode
'Keypress: + Equal 43 43 [Shift]', // 126 is ~ charCode
'Keyup: + Equal 187 [Shift]',
'Keyup: Shift ShiftLeft 16 []'].join('\n'));
});
it('should support plus-separated modifiers', async({page, server}) => {
await page.goto(server.PREFIX + '/input/keyboard.html');
await page.keyboard.press('Shift+~');
expect(await page.evaluate(() => getResult())).toBe(
[ 'Keydown: Shift ShiftLeft 16 [Shift]',
'Keydown: ~ Backquote 192 [Shift]', // 192 is ` keyCode
'Keypress: ~ Backquote 126 126 [Shift]', // 126 is ~ charCode
'Keyup: ~ Backquote 192 [Shift]',
'Keyup: Shift ShiftLeft 16 []'].join('\n'));
});
it('should support multiple plus-separated modifiers', async({page, server}) => {
await page.goto(server.PREFIX + '/input/keyboard.html');
await page.keyboard.press('Control+Shift+~');
expect(await page.evaluate(() => getResult())).toBe(
[ 'Keydown: Control ControlLeft 17 [Control]',
'Keydown: Shift ShiftLeft 16 [Control Shift]',
'Keydown: ~ Backquote 192 [Control Shift]', // 192 is ` keyCode
'Keyup: ~ Backquote 192 [Control Shift]',
'Keyup: Shift ShiftLeft 16 [Control]',
'Keyup: Control ControlLeft 17 []'].join('\n'));
});
it('should shift raw codes', async({page, server}) => {
await page.goto(server.PREFIX + '/input/keyboard.html');
await page.keyboard.press('Shift+Digit3');
expect(await page.evaluate(() => getResult())).toBe(
[ 'Keydown: Shift ShiftLeft 16 [Shift]',
'Keydown: # Digit3 51 [Shift]', // 51 is # keyCode
'Keypress: # Digit3 35 35 [Shift]', // 35 is # charCode
'Keyup: # Digit3 51 [Shift]',
'Keyup: Shift ShiftLeft 16 []'].join('\n'));
});
it('should specify repeat property', async({page, server}) => {
await page.goto(server.PREFIX + '/input/textarea.html');
await page.focus('textarea');
await page.evaluate(() => document.querySelector('textarea').addEventListener('keydown', e => window.lastEvent = e, true));
await page.keyboard.down('a');
expect(await page.evaluate(() => window.lastEvent.repeat)).toBe(false);
await page.keyboard.press('a');
expect(await page.evaluate(() => window.lastEvent.repeat)).toBe(true);
await page.keyboard.down('b');
expect(await page.evaluate(() => window.lastEvent.repeat)).toBe(false);
await page.keyboard.down('b');
expect(await page.evaluate(() => window.lastEvent.repeat)).toBe(true);
await page.keyboard.up('a');
await page.keyboard.down('a');
expect(await page.evaluate(() => window.lastEvent.repeat)).toBe(false);
});
it('should type all kinds of characters', async({page, server}) => {
await page.goto(server.PREFIX + '/input/textarea.html');
await page.focus('textarea');
const text = 'This text goes onto two lines.\nThis character is 嗨.';
await page.keyboard.type(text);
expect(await page.evaluate('result')).toBe(text);
});
it('should specify location', async({page, server}) => {
await page.goto(server.PREFIX + '/input/textarea.html');
await page.evaluate(() => {
window.addEventListener('keydown', event => window.keyLocation = event.location, true);
});
const textarea = await page.$('textarea');
await textarea.press('Digit5');
expect(await page.evaluate('keyLocation')).toBe(0);
await textarea.press('ControlLeft');
expect(await page.evaluate('keyLocation')).toBe(1);
await textarea.press('ControlRight');
expect(await page.evaluate('keyLocation')).toBe(2);
await textarea.press('NumpadSubtract');
expect(await page.evaluate('keyLocation')).toBe(3);
});
it('should press Enter', async({page, server}) => {
await page.setContent('<textarea></textarea>');
await page.focus('textarea');
await page.evaluate(() => window.addEventListener('keydown', e => window.lastEvent = {key: e.key, code:e.code}));
await testEnterKey('Enter', 'Enter', 'Enter');
await testEnterKey('NumpadEnter', 'Enter', 'NumpadEnter');
await testEnterKey('\n', 'Enter', 'Enter');
await testEnterKey('\r', 'Enter', 'Enter');
async function testEnterKey(key, expectedKey, expectedCode) {
await page.keyboard.press(key);
const lastEvent = await page.evaluate('lastEvent');
expect(lastEvent.key).toBe(expectedKey, `${JSON.stringify(key)} had the wrong key: ${lastEvent.key}`);
expect(lastEvent.code).toBe(expectedCode, `${JSON.stringify(key)} had the wrong code: ${lastEvent.code}`);
const value = await page.$eval('textarea', t => t.value);
expect(value).toBe('\n', `${JSON.stringify(key)} failed to create a newline: ${JSON.stringify(value)}`);
await page.$eval('textarea', t => t.value = '');
}
});
it('should throw on unknown keys', async({page, server}) => {
let error = await page.keyboard.press('NotARealKey').catch(e => e);
expect(error.message).toBe('Unknown key: "NotARealKey"');
error = await page.keyboard.press('ё').catch(e => e);
expect(error && error.message).toBe('Unknown key: "ё"');
error = await page.keyboard.press('😊').catch(e => e);
expect(error && error.message).toBe('Unknown key: "😊"');
});
it('should type emoji', async({page, server}) => {
await page.goto(server.PREFIX + '/input/textarea.html');
await page.type('textarea', '👹 Tokyo street Japan 🇯🇵');
expect(await page.$eval('textarea', textarea => textarea.value)).toBe('👹 Tokyo street Japan 🇯🇵');
});
it('should type emoji into an iframe', async({page, server}) => {
await page.goto(server.EMPTY_PAGE);
await utils.attachFrame(page, 'emoji-test', server.PREFIX + '/input/textarea.html');
const frame = page.frames()[1];
const textarea = await frame.$('textarea');
await textarea.type('👹 Tokyo street Japan 🇯🇵');
expect(await frame.$eval('textarea', textarea => textarea.value)).toBe('👹 Tokyo street Japan 🇯🇵');
});
it.fail(CHROMIUM && MAC)('should handle selectAll', async({page, server}) => {
await page.goto(server.PREFIX + '/input/textarea.html');
const textarea = await page.$('textarea');
await textarea.type('some text');
const modifier = MAC ? 'Meta' : 'Control';
await page.keyboard.down(modifier);
await page.keyboard.press('a');
await page.keyboard.up(modifier);
await page.keyboard.press('Backspace');
expect(await page.$eval('textarea', textarea => textarea.value)).toBe('');
});
it.fail(CHROMIUM && MAC)('should be able to prevent selectAll', async({page, server}) => {
await page.goto(server.PREFIX + '/input/textarea.html');
const textarea = await page.$('textarea');
await textarea.type('some text');
await page.$eval('textarea', textarea => {
textarea.addEventListener('keydown', event => {
if (event.key === 'a' && (event.metaKey || event.ctrlKey))
event.preventDefault();
}, false);
});
const modifier = MAC ? 'Meta' : 'Control';
await page.keyboard.down(modifier);
await page.keyboard.press('a');
await page.keyboard.up(modifier);
await page.keyboard.press('Backspace');
expect(await page.$eval('textarea', textarea => textarea.value)).toBe('some tex');
});
it('should press the meta key', async({page}) => {
await page.evaluate(() => {
window.result = null;
document.addEventListener('keydown', event => {
window.result = [event.key, event.code, event.metaKey];
});
});
await page.keyboard.press('Meta');
const [key, code, metaKey] = await page.evaluate('result');
if (FFOX && !MAC)
expect(key).toBe('OS');
else
expect(key).toBe('Meta');
if (FFOX)
expect(code).toBe('OSLeft');
else
expect(code).toBe('MetaLeft');
if (FFOX && !MAC)
expect(metaKey).toBe(false);
else
expect(metaKey).toBe(true);
});
it('should work after a cross origin navigation', async({page, server}) => {
await page.goto(server.PREFIX + '/empty.html');
await page.goto(server.CROSS_PROCESS_PREFIX + '/empty.html');
await page.evaluate(() => {
document.addEventListener('keydown', event => window.lastKey = event);
})
await page.keyboard.press('a');
expect(await page.evaluate('lastKey.key')).toBe('a');
});
// event.keyIdentifier has been removed from all browsers except WebKit
it.skip(!WEBKIT)('should expose keyIdentifier in webkit', async({page, server}) => {
await page.evaluate(() => {
document.addEventListener('keydown', event => {
window.lastKeyIdentifier = event.keyIdentifier
});
});
const keyMap = {
'ArrowUp': 'Up',
'ArrowDown': 'Down',
'ArrowLeft': 'Left',
'ArrowRight': 'Right',
'Backspace': 'U+0008',
'Tab': 'U+0009',
'Delete': 'U+007F',
'a': 'U+0041',
'b': 'U+0042',
'F12': 'F12',
};
for (const [key, keyIdentifier] of Object.entries(keyMap)) {
await page.keyboard.press(key);
expect(await page.evaluate('lastKeyIdentifier')).toBe(keyIdentifier);
}
});
it('should scroll with PageDown', async({page, server}) => {
await page.goto(server.PREFIX + '/input/scrollable.html');
// A click is required for WebKit to send the event into the body.
await page.click('body');
await page.keyboard.press('PageDown');
// We can't wait for the scroll to finish, so just wait for it to start.
await page.waitForFunction(() => scrollY > 0);
});
});
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