playwright-mcp/tests/files.spec.ts

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/**
* 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 './fixtures.js';
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import fs from 'fs/promises';
import path from 'path';
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test('browser_file_upload', async ({ client, localOutputPath }) => {
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expect(await client.callTool({
name: 'browser_navigate',
arguments: {
url: 'data:text/html,<html><title>Title</title><input type="file" /><button>Button</button></html>',
},
})).toContainTextContent(`
\`\`\`yaml
- button "Choose File" [ref=s1e3]
- button "Button" [ref=s1e4]
\`\`\``);
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{
expect(await client.callTool({
name: 'browser_file_upload',
arguments: { paths: [] },
})).toHaveTextContent(`
The tool "browser_file_upload" can only be used when there is related modal state present.
### Modal state
- There is no modal state present
`.trim());
}
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expect(await client.callTool({
name: 'browser_click',
arguments: {
element: 'Textbox',
ref: 's1e3',
},
})).toContainTextContent(`### Modal state
- [File chooser]: can be handled by the "browser_file_upload" tool`);
const filePath = localOutputPath('test.txt');
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await fs.writeFile(filePath, 'Hello, world!');
{
const response = await client.callTool({
name: 'browser_file_upload',
arguments: {
paths: [filePath],
},
});
expect(response).not.toContainTextContent('### Modal state');
expect(response).toContainTextContent(`
\`\`\`yaml
- button "Choose File" [ref=s3e3]
- button "Button" [ref=s3e4]
\`\`\``);
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}
{
const response = await client.callTool({
name: 'browser_click',
arguments: {
element: 'Textbox',
ref: 's3e3',
},
});
expect(response).toContainTextContent('- [File chooser]: can be handled by the \"browser_file_upload\" tool');
}
{
const response = await client.callTool({
name: 'browser_click',
arguments: {
element: 'Button',
ref: 's4e4',
},
});
expect(response).toContainTextContent(`Tool "browser_click" does not handle the modal state.
### Modal state
- [File chooser]: can be handled by the "browser_file_upload" tool`);
}
});
test('clicking on download link emits download', async ({ startClient, localOutputPath }) => {
const outputDir = localOutputPath('output');
const client = await startClient({
config: { outputDir },
});
expect(await client.callTool({
name: 'browser_navigate',
arguments: {
url: 'data:text/html,<a href="data:text/plain,Hello world!" download="test.txt">Download</a>',
},
})).toContainTextContent('- link "Download" [ref=s1e3]');
await client.callTool({
name: 'browser_click',
arguments: {
element: 'Download link',
ref: 's1e3',
},
});
await expect.poll(() => client.callTool({ name: 'browser_snapshot', arguments: {} })).toContainTextContent(`
### Downloads
- Downloaded file test.txt to ${path.join(outputDir, 'test.txt')}`);
});
test('navigating to download link emits download', async ({ client, server, mcpBrowser }) => {
test.skip(mcpBrowser === 'webkit' && process.platform === 'linux', 'https://github.com/microsoft/playwright/blob/8e08fdb52c27bb75de9bf87627bf740fadab2122/tests/library/download.spec.ts#L436');
server.route('/download', (req, res) => {
res.writeHead(200, {
'Content-Type': 'text/plain',
'Content-Disposition': 'attachment; filename=test.txt',
});
res.end('Hello world!');
});
expect(await client.callTool({
name: 'browser_navigate',
arguments: {
url: server.PREFIX + '/download',
},
})).toContainTextContent('### Downloads');
});