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chore: add "playwright-cli" binary (#1330)

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This commit is contained in:
Dmitry Gozman
2026-01-23 17:52:48 +00:00
committed by GitHub
parent fbd62cd838
commit cd2b589338
11 changed files with 65 additions and 995 deletions
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package-lock.json generated
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@@ -299,431 +299,6 @@
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@@ -827,10 +402,6 @@
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},
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@@ -1268,16 +839,6 @@
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}
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@@ -1309,20 +870,6 @@
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@@ -1813,47 +1360,6 @@
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"dev": true,
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"funding": {
"url": "https://github.com/sponsors/ljharb"
@@ -3835,6 +3340,7 @@
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"version": "0.0.56",
"extraneous": true,
"license": "Apache-2.0",
"devDependencies": {
"@types/debug": "^4.1.12",
@@ -3853,11 +3359,13 @@
"version": "0.0.56",
"license": "Apache-2.0",
"dependencies": {
"minimist": "^1.2.5",
"playwright": "1.59.0-alpha-1769176698000",
"playwright-core": "1.59.0-alpha-1769176698000"
},
"bin": {
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"mcp-server-playwright": "cli.js",
"playwright-cli": "playwright-cli.js"
},
"engines": {
"node": ">=18"

1
packages/playwright-cli/.gitignore vendored
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@@ -1 +0,0 @@
lib/

32
packages/playwright-cli/package.json
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@@ -1,32 +0,0 @@
{
"name": "@playwright/cli",
"version": "0.0.56",
"description": "Playwright CLI",
"private": true,
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"engines": {
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"author": {
"name": "Microsoft Corporation"
},
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"build": "esbuild src/cli.ts --bundle --platform=node --target=node18 --format=cjs --outfile=lib/cli.js",
"watch": "esbuild src/cli.ts --bundle --platform=node --target=node18 --format=cjs --outfile=lib/cli.js --watch",
"clean": "rm -rf lib"
},
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"esbuild": "^0.24.0",
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"typescript": "^5.8.2"
}
}

331
packages/playwright-cli/src/cli.ts
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@@ -1,331 +0,0 @@
/**
* 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.
*/
/* eslint-disable no-console */
/* eslint-disable no-restricted-properties */
import { spawn } from 'child_process';
import crypto from 'crypto';
import fs from 'fs';
import net from 'net';
import os from 'os';
import path from 'path';
import { debug } from 'debug';
import minimist from 'minimist';
import { SocketConnection } from './socketConnection';
const debugCli = debug('pw:cli');
const packageJSON = require('../package.json');
async function runCliCommand(sessionName: string, args: any) {
const session = await connectToDaemon(sessionName);
const result = await session.runCliCommand(args);
console.log(result);
session.dispose();
}
async function socketExists(socketPath: string): Promise<boolean> {
try {
const stat = await fs.promises.stat(socketPath);
if (stat?.isSocket())
return true;
} catch (e) {
}
return false;
}
class SocketSession {
private _connection: SocketConnection;
private _nextMessageId = 1;
private _callbacks = new Map<number, { resolve: (o: any) => void, reject: (e: Error) => void }>();
constructor(connection: SocketConnection) {
this._connection = connection;
this._connection.onmessage = message => this._onMessage(message);
this._connection.onclose = () => this.dispose();
}
async runCliCommand(args: any): Promise<string> {
return await this._send('runCliCommand', { args });
}
private async _send(method: string, params: any = {}): Promise<any> {
const messageId = this._nextMessageId++;
const message = {
id: messageId,
method,
params,
};
await this._connection.send(message);
return new Promise<any>((resolve, reject) => {
this._callbacks.set(messageId, { resolve, reject });
});
}
dispose() {
for (const callback of this._callbacks.values())
callback.reject(new Error('Disposed'));
this._callbacks.clear();
this._connection.close();
}
private _onMessage(object: any) {
if (object.id && this._callbacks.has(object.id)) {
const callback = this._callbacks.get(object.id)!;
this._callbacks.delete(object.id);
if (object.error)
callback.reject(new Error(object.error));
else
callback.resolve(object.result);
} else if (object.id) {
throw new Error(`Unexpected message id: ${object.id}`);
} else {
throw new Error(`Unexpected message without id: ${JSON.stringify(object)}`);
}
}
}
function localCacheDir(): string {
if (process.platform === 'linux')
return process.env.XDG_CACHE_HOME || path.join(os.homedir(), '.cache');
if (process.platform === 'darwin')
return path.join(os.homedir(), 'Library', 'Caches');
if (process.platform === 'win32')
return process.env.LOCALAPPDATA || path.join(os.homedir(), 'AppData', 'Local');
throw new Error('Unsupported platform: ' + process.platform);
}
function playwrightCacheDir(): string {
return path.join(localCacheDir(), 'ms-playwright');
}
function calculateSha1(buffer: Buffer | string): string {
const hash = crypto.createHash('sha1');
hash.update(buffer);
return hash.digest('hex');
}
function socketDirHash(): string {
return calculateSha1(__dirname);
}
function daemonSocketDir(): string {
return path.resolve(playwrightCacheDir(), 'daemon', socketDirHash());
}
function daemonSocketPath(sessionName: string): string {
const socketName = `${sessionName}.sock`;
if (os.platform() === 'win32')
return `\\\\.\\pipe\\${socketDirHash()}-${socketName}`;
return path.resolve(daemonSocketDir(), socketName);
}
async function connectToDaemon(sessionName: string): Promise<SocketSession> {
const socketPath = daemonSocketPath(sessionName);
debugCli(`Connecting to daemon at ${socketPath}`);
if (await socketExists(socketPath)) {
debugCli(`Socket file exists, attempting to connect...`);
try {
return await connectToSocket(socketPath);
} catch (e) {
// Connection failed, delete the stale socket file.
if (os.platform() !== 'win32')
await fs.promises.unlink(socketPath).catch(() => {});
}
}
debugCli(`Will launch daemon process: npx playwright run-mcp-server`);
const userDataDir = path.resolve(daemonSocketDir(), `${sessionName}-user-data`);
const child = spawn('npx', ['playwright', 'run-mcp-server', `--daemon=${socketPath}`, `--user-data-dir=${userDataDir}`], {
detached: true,
stdio: 'ignore',
cwd: process.cwd(), // Will be used as root.
});
child.unref();
// Wait for the socket to become available with retries.
const maxRetries = 50;
const retryDelay = 100; // ms
for (let i = 0; i < maxRetries; i++) {
await new Promise(resolve => setTimeout(resolve, 100));
try {
return await connectToSocket(socketPath);
} catch (e: any) {
if (e.code !== 'ENOENT')
throw e;
debugCli(`Retrying to connect to daemon at ${socketPath} (${i + 1}/${maxRetries})`);
}
}
throw new Error(`Failed to connect to daemon at ${socketPath} after ${maxRetries * retryDelay}ms`);
}
async function connectToSocket(socketPath: string): Promise<SocketSession> {
const socket = await new Promise<net.Socket>((resolve, reject) => {
const socket = net.createConnection(socketPath, () => {
debugCli(`Connected to daemon at ${socketPath}`);
resolve(socket);
});
socket.on('error', reject);
});
return new SocketSession(new SocketConnection(socket));
}
function currentSessionPath(): string {
return path.resolve(daemonSocketDir(), 'current-session');
}
async function getCurrentSession(): Promise<string> {
try {
const session = await fs.promises.readFile(currentSessionPath(), 'utf-8');
return session.trim() || 'default';
} catch {
return 'default';
}
}
async function setCurrentSession(sessionName: string): Promise<void> {
await fs.promises.mkdir(daemonSocketDir(), { recursive: true });
await fs.promises.writeFile(currentSessionPath(), sessionName);
}
async function canConnectToSocket(socketPath: string): Promise<boolean> {
return new Promise<boolean>(resolve => {
const socket = net.createConnection(socketPath, () => {
socket.destroy();
resolve(true);
});
socket.on('error', () => {
resolve(false);
});
});
}
async function listSessions(): Promise<{ name: string, live: boolean }[]> {
const dir = daemonSocketDir();
try {
const files = await fs.promises.readdir(dir);
const sessions: { name: string, live: boolean }[] = [];
for (const file of files) {
if (file.endsWith('-user-data')) {
const sessionName = file.slice(0, -'-user-data'.length);
const socketPath = daemonSocketPath(sessionName);
const live = await canConnectToSocket(socketPath);
sessions.push({ name: sessionName, live });
}
}
return sessions;
} catch {
return [];
}
}
function resolveSessionName(args: any): string {
if (args.session)
return args.session;
if (process.env.PLAYWRIGHT_CLI_SESSION)
return process.env.PLAYWRIGHT_CLI_SESSION;
return 'default';
}
async function handleSessionCommand(args: any): Promise<void> {
const subcommand = args._[1];
if (!subcommand) {
// Show current session
const current = await getCurrentSession();
console.log(current);
return;
}
if (subcommand === 'list') {
const sessions = await listSessions();
const current = await getCurrentSession();
console.log('Sessions:');
for (const session of sessions) {
const marker = session.name === current ? '->' : ' ';
const liveMarker = session.live ? ' (live)' : '';
console.log(`${marker} ${session.name}${liveMarker}`);
}
if (sessions.length === 0)
console.log(' (no sessions)');
return;
}
if (subcommand === 'set') {
const sessionName = args._[2];
if (!sessionName) {
console.error('Usage: playwright-cli session set <session-name>');
process.exit(1);
}
await setCurrentSession(sessionName);
console.log(`Current session set to: ${sessionName}`);
return;
}
console.error(`Unknown session subcommand: ${subcommand}`);
process.exit(1);
}
async function main() {
const argv = process.argv.slice(2);
const args = minimist(argv);
const commandName = args._[0];
if (args.version || args.v) {
console.log(packageJSON.version);
process.exit(0);
}
// Handle 'session' command specially - it doesn't need daemon connection
if (commandName === 'session') {
await handleSessionCommand(args);
return;
}
const help = require('./help.json');
const command = help.commands[commandName];
if (args.help || args.h) {
if (command) {
console.log(command);
} else {
console.log('playwright-cli - run playwright mcp commands from terminal\n');
console.log(help.global);
}
process.exit(0);
}
if (!command) {
console.error(`Unknown command: ${commandName}\n`);
console.log(help.global);
process.exit(1);
}
// Resolve session name: --session flag > PLAYWRIGHT_CLI_SESSION env > current session > 'default'
let sessionName = resolveSessionName(args);
if (sessionName === 'default' && !args.session && !process.env.PLAYWRIGHT_CLI_SESSION)
sessionName = await getCurrentSession();
runCliCommand(sessionName, args).catch(e => {
console.error(e.message);
process.exit(1);
});
}
main().catch(e => {
console.error(e.message);
process.exit(1);
});

32
packages/playwright-cli/src/help.json
View File

@@ -1,32 +0,0 @@
{
"global": "Usage: playwright-cli <command> [options]\nCommands:\n click <ref> perform click on a web page\n close close the page\n dblclick <ref> perform double click on a web page\n console <level> returns all console messages\n drag <startRef> <endRef> perform drag and drop between two elements\n evaluate <function> <ref> evaluate javascript expression on page or element\n upload-file upload one or multiple files\n handle-dialog <accept> <promptText> handle a dialog\n hover <ref> hover over element on page\n open <url> open url\n go-back go back to the previous page\n network-requests returns all network requests since loading the page\n press-key <key> press a key on the keyboard\n resize <width> <height> resize the browser window\n run-code <code> run playwright code snippet\n select-option <ref> <values> select an option in a dropdown\n snapshot capture accessibility snapshot of the current page, this is better than screenshot\n screenshot <ref> take a screenshot of the current page. you can't perform actions based on the screenshot, use browser_snapshot for actions.\n type <ref> <text> type text into editable element\n wait-for wait for text to appear or disappear or a specified time to pass\n tab <action> <index> close a browser tab\n mouse-click-xy <x> <y> click left mouse button at a given position\n mouse-drag-xy <startX> <startY> <endX> <endY> drag left mouse button to a given position\n mouse-move-xy <x> <y> move mouse to a given position\n pdf-save save page as pdf\n start-tracing start trace recording\n stop-tracing stop trace recording",
"commands": {
"click": "playwright-cli click <ref>\n\nPerform click on a web page\n\nArguments:\n <ref>\tExact target element reference from the page snapshot\nOptions:\n --button\tbutton to click, defaults to left\n --modifiers\tmodifier keys to press",
"close": "playwright-cli close \n\nClose the page\n",
"dblclick": "playwright-cli dblclick <ref>\n\nPerform double click on a web page\n\nArguments:\n <ref>\tExact target element reference from the page snapshot\nOptions:\n --button\tbutton to click, defaults to left\n --modifiers\tmodifier keys to press",
"console": "playwright-cli console <level>\n\nReturns all console messages\n\nArguments:\n <level>\tLevel of the console messages to return. Each level includes the messages of more severe levels. Defaults to \"info\".",
"drag": "playwright-cli drag <startRef> <endRef>\n\nPerform drag and drop between two elements\n\nArguments:\n <startRef>\tExact source element reference from the page snapshot\n <endRef>\tExact target element reference from the page snapshot\nOptions:\n --headed\trun browser in headed mode",
"evaluate": "playwright-cli evaluate <function> <ref>\n\nEvaluate JavaScript expression on page or element\n\nArguments:\n <function>\t() => { /* code */ } or (element) => { /* code */ } when element is provided\n <ref>\tExact target element reference from the page snapshot",
"upload-file": "playwright-cli upload-file \n\nUpload one or multiple files\n\nOptions:\n --paths\tthe absolute paths to the files to upload. can be single file or multiple files. if omitted, file chooser is cancelled.",
"handle-dialog": "playwright-cli handle-dialog <accept> <promptText>\n\nHandle a dialog\n\nArguments:\n <accept>\tWhether to accept the dialog.\n <promptText>\tThe text of the prompt in case of a prompt dialog.",
"hover": "playwright-cli hover <ref>\n\nHover over element on page\n\nArguments:\n <ref>\tExact target element reference from the page snapshot",
"open": "playwright-cli open <url>\n\nOpen URL\n\nArguments:\n <url>\tThe URL to navigate to\nOptions:\n --headed\trun browser in headed mode",
"go-back": "playwright-cli go-back \n\nGo back to the previous page\n",
"network-requests": "playwright-cli network-requests \n\nReturns all network requests since loading the page\n\nOptions:\n --includeStatic\twhether to include successful static resources like images, fonts, scripts, etc. defaults to false.",
"press-key": "playwright-cli press-key <key>\n\nPress a key on the keyboard\n\nArguments:\n <key>\tName of the key to press or a character to generate, such as `ArrowLeft` or `a`",
"resize": "playwright-cli resize <width> <height>\n\nResize the browser window\n\nArguments:\n <width>\tWidth of the browser window\n <height>\tHeight of the browser window",
"run-code": "playwright-cli run-code <code>\n\nRun Playwright code snippet\n\nArguments:\n <code>\tA JavaScript function containing Playwright code to execute. It will be invoked with a single argument, page, which you can use for any page interaction.",
"select-option": "playwright-cli select-option <ref> <values>\n\nSelect an option in a dropdown\n\nArguments:\n <ref>\tExact target element reference from the page snapshot\n <values>\tArray of values to select in the dropdown. This can be a single value or multiple values.",
"snapshot": "playwright-cli snapshot \n\nCapture accessibility snapshot of the current page, this is better than screenshot\n\nOptions:\n --filename\tsave snapshot to markdown file instead of returning it in the response.",
"screenshot": "playwright-cli screenshot <ref>\n\nTake a screenshot of the current page. You can't perform actions based on the screenshot, use browser_snapshot for actions.\n\nArguments:\n <ref>\tExact target element reference from the page snapshot.\nOptions:\n --filename\tfile name to save the screenshot to. defaults to `page-{timestamp}.{png|jpeg}` if not specified.\n --fullPage\twhen true, takes a screenshot of the full scrollable page, instead of the currently visible viewport.",
"type": "playwright-cli type <ref> <text>\n\nType text into editable element\n\nArguments:\n <ref>\tExact target element reference from the page snapshot\n <text>\tText to type into the element\nOptions:\n --submit\twhether to submit entered text (press enter after)\n --slowly\twhether to type one character at a time. useful for triggering key handlers in the page.",
"wait-for": "playwright-cli wait-for \n\nWait for text to appear or disappear or a specified time to pass\n\nOptions:\n --time\tthe time to wait in seconds\n --text\tthe text to wait for\n --textGone\tthe text to wait for to disappear",
"tab": "playwright-cli tab <action> <index>\n\nClose a browser tab\n\nArguments:\n <action>\tAction to perform on tabs, 'list' | 'new' | 'close' | 'select'\n <index>\tTab index. If omitted, current tab is closed.",
"mouse-click-xy": "playwright-cli mouse-click-xy <x> <y>\n\nClick left mouse button at a given position\n\nArguments:\n <x>\tX coordinate\n <y>\tY coordinate",
"mouse-drag-xy": "playwright-cli mouse-drag-xy <startX> <startY> <endX> <endY>\n\nDrag left mouse button to a given position\n\nArguments:\n <startX>\tStart X coordinate\n <startY>\tStart Y coordinate\n <endX>\tEnd X coordinate\n <endY>\tEnd Y coordinate",
"mouse-move-xy": "playwright-cli mouse-move-xy <x> <y>\n\nMove mouse to a given position\n\nArguments:\n <x>\tX coordinate\n <y>\tY coordinate",
"pdf-save": "playwright-cli pdf-save \n\nSave page as PDF\n\nOptions:\n --filename\tfile name to save the pdf to. defaults to `page-{timestamp}.pdf` if not specified.",
"start-tracing": "playwright-cli start-tracing \n\nStart trace recording\n",
"stop-tracing": "playwright-cli stop-tracing \n\nStop trace recording\n"
}
}

82
packages/playwright-cli/src/socketConnection.ts
View File

@@ -1,82 +0,0 @@
/**
* 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 net from 'net';
import { debug } from 'debug';
const daemonDebug = debug('pw:daemon');
export class SocketConnection {
private _socket: net.Socket;
private _pendingBuffers: Buffer[] = [];
onclose?: () => void;
onmessage?: (message: any) => void;
constructor(socket: net.Socket) {
this._socket = socket;
socket.on('data', buffer => this._onData(buffer));
socket.on('close', () => {
this.onclose?.();
});
socket.on('error', e => daemonDebug(`error: ${e.message}`));
}
async send(message: any) {
await new Promise((resolve, reject) => {
this._socket.write(`${JSON.stringify(message)}\n`, error => {
if (error)
reject(error);
else
resolve(undefined);
});
});
}
close() {
this._socket.destroy();
}
private _onData(buffer: Buffer) {
let end = buffer.indexOf('\n');
if (end === -1) {
this._pendingBuffers.push(buffer);
return;
}
this._pendingBuffers.push(buffer.slice(0, end));
const message = Buffer.concat(this._pendingBuffers).toString();
this._dispatchMessage(message);
let start = end + 1;
end = buffer.indexOf('\n', start);
while (end !== -1) {
const message = buffer.toString(undefined, start, end);
this._dispatchMessage(message);
start = end + 1;
end = buffer.indexOf('\n', start);
}
this._pendingBuffers = [buffer.slice(start)];
}
private _dispatchMessage(message: string) {
try {
this.onmessage?.(JSON.parse(message));
} catch (e) {
daemonDebug('failed to dispatch message', e);
}
}
}

17
packages/playwright-cli/tsconfig.json
View File

@@ -1,17 +0,0 @@
{
"compilerOptions": {
"target": "ESNext",
"esModuleInterop": true,
"moduleResolution": "node",
"strict": true,
"module": "ESNext",
"rootDir": "src",
"outDir": "./lib",
"resolveJsonModule": true,
"types": ["node"],
"noEmit": true
},
"include": [
"src",
]
}

1
packages/playwright-mcp/.npmignore
View File

@@ -2,5 +2,6 @@
!README.md
!LICENSE
!cli.js
!playwright-cli.js
!index.*
!config.d.ts

9
packages/playwright-mcp/package.json
View File

@@ -15,14 +15,13 @@
},
"license": "Apache-2.0",
"scripts": {
"lint": "npm run update-readme",
"update-readme": "node update-readme.js",
"lint": "node update-readme.js",
"test": "playwright test",
"ctest": "playwright test --project=chrome",
"ftest": "playwright test --project=firefox",
"wtest": "playwright test --project=webkit",
"dtest": "MCP_IN_DOCKER=1 playwright test --project=chromium-docker",
"npm-publish": "npm run clean && npm run lint && npm run test && npm publish",
"npm-publish": "npm run lint && npm run test && npm publish",
"copy-config": "cp ../../../playwright/packages/playwright/src/mcp/config.d.ts . && perl -pi -e \"s|import type \\* as playwright from 'playwright-core';|import type * as playwright from 'playwright';|\" ./config.d.ts",
"roll": "npm run copy-config && npm run lint"
},
@@ -34,10 +33,12 @@
}
},
"dependencies": {
"minimist": "^1.2.5",
"playwright": "1.59.0-alpha-1769176698000",
"playwright-core": "1.59.0-alpha-1769176698000"
},
"bin": {
"mcp-server-playwright": "cli.js"
"mcp": "cli.js",
"playwright-cli": "./playwright-cli.js"
}
}

23
packages/playwright-mcp/playwright-cli.js Executable file
View File

@@ -0,0 +1,23 @@
#!/usr/bin/env node
/**
* 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 { program } = require('playwright/lib/mcp/terminal/program');
const packageJSON = require('./package.json');
program({ version: packageJSON.version }).catch(e => {
console.error(e.message);
process.exit(1);
});

32
packages/playwright-mcp/tests/cli.spec.ts Normal file
View File

@@ -0,0 +1,32 @@
/**
* 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 { test, expect } from '@playwright/test';
import childProcess from 'child_process';
function runCLI(args: string[]) {
return childProcess.spawnSync(process.execPath, [require.resolve('../playwright-cli'), ...args], { encoding: 'utf-8' });
}
test('prints help', async () => {
const { stdout } = runCLI(['--help']);
expect(stdout).toContain('Usage: playwright-cli <command>');
});
test('prints version', async () => {
const { stdout } = runCLI(['--version']);
expect(stdout).toContain(require('../package.json').version);
});