chrome-devtools-mcp/tests/cli.test.ts at c59bb9a6872a6c7e0014b6a991e4510728c9a642 · ChromeDevTools/chrome-devtools-mcp · GitHub

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/**
 * @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,
      },
    });
  });
});