playwright-mcp/tests/cdp.spec.ts
2025-07-14 10:52:38 -07:00

93 lines
3.2 KiB
TypeScript

/**
* 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 url from 'node:url';
import path from 'node:path';
import { spawnSync } from 'node:child_process';
import { test, expect } from './fixtures.js';
test('cdp server', async ({ cdpServer, startClient, server }) => {
await cdpServer.start();
const { client } = await startClient({ args: [`--cdp-endpoint=${cdpServer.endpoint}`] });
expect(await client.callTool({
name: 'browser_navigate',
arguments: { url: server.HELLO_WORLD },
})).toContainTextContent(`- generic [active] [ref=e1]: Hello, world!`);
});
test('cdp server reuse tab', async ({ cdpServer, startClient, server }) => {
const browserContext = await cdpServer.start();
const { client } = await startClient({ args: [`--cdp-endpoint=${cdpServer.endpoint}`] });
const [page] = browserContext.pages();
await page.goto(server.HELLO_WORLD);
expect(await client.callTool({
name: 'browser_click',
arguments: {
element: 'Hello, world!',
ref: 'f0',
},
})).toHaveTextContent(`Error: No current snapshot available. Capture a snapshot or navigate to a new location first.`);
expect(await client.callTool({
name: 'browser_snapshot',
})).toHaveTextContent(`
- Ran Playwright code:
\`\`\`js
// <internal code to capture accessibility snapshot>
\`\`\`
- Page URL: ${server.HELLO_WORLD}
- Page Title: Title
- Page Snapshot
\`\`\`yaml
- generic [active] [ref=e1]: Hello, world!
\`\`\`
`);
});
test('should throw connection error and allow re-connecting', async ({ cdpServer, startClient, server }) => {
const { client } = await startClient({ args: [`--cdp-endpoint=${cdpServer.endpoint}`] });
server.setContent('/', `
<title>Title</title>
<body>Hello, world!</body>
`, 'text/html');
expect(await client.callTool({
name: 'browser_navigate',
arguments: { url: server.PREFIX },
})).toContainTextContent(`Error: browserType.connectOverCDP: connect ECONNREFUSED`);
await cdpServer.start();
expect(await client.callTool({
name: 'browser_navigate',
arguments: { url: server.PREFIX },
})).toContainTextContent(`- generic [active] [ref=e1]: Hello, world!`);
});
// NOTE: Can be removed when we drop Node.js 18 support and changed to import.meta.filename.
const __filename = url.fileURLToPath(import.meta.url);
test('does not support --device', async () => {
const result = spawnSync('node', [
path.join(__filename, '../../cli.js'), '--device=Pixel 5', '--cdp-endpoint=http://localhost:1234',
]);
expect(result.error).toBeUndefined();
expect(result.status).toBe(1);
expect(result.stderr.toString()).toContain('Device emulation is not supported with cdpEndpoint.');
});