Chrome DevTools MCP

/** * @license * Copyright 2025 Google LLC * SPDX-License-Identifier: Apache-2.0 */ import assert from 'node:assert'; import {describe, it} from 'node:test'; import {parseArguments} from '../src/cli.js'; describe('cli args parsing', () => { it('parses with default args', async () => { const args = parseArguments('1.0.0', ['node', 'main.js']); assert.deepStrictEqual(args, { _: [], headless: false, isolated: false, $0: 'npx chrome-devtools-mcp@latest', channel: 'stable', }); }); it('parses with browser url', async () => { const args = parseArguments('1.0.0', [ 'node', 'main.js', '--browserUrl', 'http://localhost:3000', ]); assert.deepStrictEqual(args, { _: [], headless: false, isolated: false, $0: 'npx chrome-devtools-mcp@latest', 'browser-url': 'http://localhost:3000', browserUrl: 'http://localhost:3000', u: 'http://localhost:3000', }); }); it('parses an empty browser url', async () => { const args = parseArguments('1.0.0', [ 'node', 'main.js', '--browserUrl', '', ]); assert.deepStrictEqual(args, { _: [], headless: false, isolated: false, $0: 'npx chrome-devtools-mcp@latest', 'browser-url': undefined, browserUrl: undefined, u: undefined, channel: 'stable', }); }); it('parses with executable path', async () => { const args = parseArguments('1.0.0', [ 'node', 'main.js', '--executablePath', '/tmp/test 123/chrome', ]); assert.deepStrictEqual(args, { _: [], headless: false, isolated: false, $0: 'npx chrome-devtools-mcp@latest', 'executable-path': '/tmp/test 123/chrome', e: '/tmp/test 123/chrome', executablePath: '/tmp/test 123/chrome', }); }); it('parses viewport', async () => { const args = parseArguments('1.0.0', [ 'node', 'main.js', '--viewport', '888x777', ]); assert.deepStrictEqual(args, { _: [], headless: false, isolated: false, $0: 'npx chrome-devtools-mcp@latest', channel: 'stable', viewport: { width: 888, height: 777, }, }); }); it('parses viewport', async () => { const args = parseArguments('1.0.0', [ 'node', 'main.js', `--chrome-arg='--no-sandbox'`, `--chrome-arg='--disable-setuid-sandbox'`, ]); assert.deepStrictEqual(args, { _: [], headless: false, isolated: false, $0: 'npx chrome-devtools-mcp@latest', channel: 'stable', 'chrome-arg': ['--no-sandbox', '--disable-setuid-sandbox'], chromeArg: ['--no-sandbox', '--disable-setuid-sandbox'], }); }); });