[代理镜像] chrome-devtools-mcp/tests/browser.test.ts at 4fb44c267c0fb3607f514dc3f432b7e7dffd7d18 · ChromeDevTools/chrome-devtools-mcp · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
/**
 * @license
 * Copyright 2025 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */

import assert from 'node:assert';
import os from 'node:os';
import path from 'node:path';
import {describe, it} from 'node:test';

import {executablePath} from 'puppeteer';

import {ensureBrowserConnected, launch} from '../src/browser.js';

describe('browser', () => {
  it('cannot launch multiple times with the same profile', async () => {
    const tmpDir = os.tmpdir();
    const folderPath = path.join(tmpDir, `temp-folder-${crypto.randomUUID()}`);
    const browser1 = await launch({
      headless: true,
      isolated: false,
      userDataDir: folderPath,
      executablePath: executablePath(),
      devtools: false,
    });
    try {
      try {
        const browser2 = await launch({
          headless: true,
          isolated: false,
          userDataDir: folderPath,
          executablePath: executablePath(),
          devtools: false,
        });
        await browser2.close();
        assert.fail('not reached');
      } catch (err) {
        assert.strictEqual(
          err.message,
          `The browser is already running for ${folderPath}. Use --isolated to run multiple browser instances.`,
        );
      }
    } finally {
      await browser1.close();
    }
  });

  it('launches with the initial viewport', async () => {
    const tmpDir = os.tmpdir();
    const folderPath = path.join(tmpDir, `temp-folder-${crypto.randomUUID()}`);
    const browser = await launch({
      headless: true,
      isolated: false,
      userDataDir: folderPath,
      executablePath: executablePath(),
      viewport: {
        width: 1501,
        height: 801,
      },
      devtools: false,
    });
    try {
      const [page] = await browser.pages();
      const result = await page.evaluate(() => {
        return {width: window.innerWidth, height: window.innerHeight};
      });
      assert.deepStrictEqual(result, {
        width: 1501,
        height: 801,
      });
    } finally {
      await browser.close();
    }
  });
  it('connects to an existing browser with userDataDir', async () => {
    const tmpDir = os.tmpdir();
    const folderPath = path.join(tmpDir, `temp-folder-${crypto.randomUUID()}`);
    const browser = await launch({
      headless: true,
      isolated: false,
      userDataDir: folderPath,
      executablePath: executablePath(),
      devtools: false,
      args: ['--remote-debugging-port=0'],
    });
    try {
      const connectedBrowser = await ensureBrowserConnected({
        userDataDir: folderPath,
        devtools: false,
      });
      assert.ok(connectedBrowser);
      assert.ok(connectedBrowser.connected);
      connectedBrowser.disconnect();
    } finally {
      await browser.close();
    }
  });
});