/**
* 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 fs from 'fs/promises';
import { spawn } from 'node:child_process';
import path from 'node:path';
import { test, expect } from './fixtures';
test('test tool list', async ({ client, visionClient }) => {
const { tools } = await client.listTools();
expect(tools.map(t => t.name)).toEqual([
'browser_navigate',
'browser_snapshot',
'browser_click',
'browser_hover',
'browser_type',
'browser_select_option',
'browser_take_screenshot',
'browser_go_back',
'browser_go_forward',
'browser_choose_file',
'browser_press_key',
'browser_wait',
'browser_save_as_pdf',
'browser_close',
'browser_install',
]);
const { tools: visionTools } = await visionClient.listTools();
expect(visionTools.map(t => t.name)).toEqual([
'browser_navigate',
'browser_screenshot',
'browser_move_mouse',
'browser_click',
'browser_drag',
'browser_type',
'browser_go_back',
'browser_go_forward',
'browser_choose_file',
'browser_press_key',
'browser_wait',
'browser_save_as_pdf',
'browser_close',
'browser_install',
]);
});
test('test resources list', async ({ client }) => {
const { resources } = await client.listResources();
expect(resources).toEqual([
expect.objectContaining({
uri: 'browser://console',
mimeType: 'text/plain',
}),
]);
});
test('test browser_navigate', async ({ client }) => {
expect(await client.callTool({
name: 'browser_navigate',
arguments: {
url: 'data:text/html,TitleHello, world!',
},
})).toHaveTextContent(`
- Page URL: data:text/html,TitleHello, world!
- Page Title: Title
- Page Snapshot
\`\`\`yaml
- text: Hello, world!
\`\`\`
`
);
});
test('test browser_click', async ({ client }) => {
await client.callTool({
name: 'browser_navigate',
arguments: {
url: 'data:text/html,Title',
},
});
expect(await client.callTool({
name: 'browser_click',
arguments: {
element: 'Submit button',
ref: 's1e3',
},
})).toHaveTextContent(`Clicked "Submit button"
- Page URL: data:text/html,Title
- Page Title: Title
- Page Snapshot
\`\`\`yaml
- button "Submit" [ref=s2e3]
\`\`\`
`);
});
test('test reopen browser', async ({ client }) => {
await client.callTool({
name: 'browser_navigate',
arguments: {
url: 'data:text/html,TitleHello, world!',
},
});
expect(await client.callTool({
name: 'browser_close',
})).toHaveTextContent('Page closed');
expect(await client.callTool({
name: 'browser_navigate',
arguments: {
url: 'data:text/html,TitleHello, world!',
},
})).toHaveTextContent(`
- Page URL: data:text/html,TitleHello, world!
- Page Title: Title
- Page Snapshot
\`\`\`yaml
- text: Hello, world!
\`\`\`
`);
});
test('single option', async ({ client }) => {
await client.callTool({
name: 'browser_navigate',
arguments: {
url: 'data:text/html,Title',
},
});
expect(await client.callTool({
name: 'browser_select_option',
arguments: {
element: 'Select',
ref: 's1e3',
values: ['bar'],
},
})).toHaveTextContent(`Selected option in "Select"
- Page URL: data:text/html,Title
- Page Title: Title
- Page Snapshot
\`\`\`yaml
- combobox [ref=s2e3]:
- option "Foo" [ref=s2e4]
- option "Bar" [selected] [ref=s2e5]
\`\`\`
`);
});
test('multiple option', async ({ client }) => {
await client.callTool({
name: 'browser_navigate',
arguments: {
url: 'data:text/html,Title',
},
});
expect(await client.callTool({
name: 'browser_select_option',
arguments: {
element: 'Select',
ref: 's1e3',
values: ['bar', 'baz'],
},
})).toHaveTextContent(`Selected option in "Select"
- Page URL: data:text/html,Title
- Page Title: Title
- Page Snapshot
\`\`\`yaml
- listbox [ref=s2e3]:
- option "Foo" [ref=s2e4]
- option "Bar" [selected] [ref=s2e5]
- option "Baz" [selected] [ref=s2e6]
\`\`\`
`);
});
test('browser://console', async ({ client }) => {
await client.callTool({
name: 'browser_navigate',
arguments: {
url: 'data:text/html,',
},
});
const resource = await client.readResource({
uri: 'browser://console',
});
expect(resource.contents).toEqual([{
uri: 'browser://console',
mimeType: 'text/plain',
text: '[LOG] Hello, world!\n[ERROR] Error',
}]);
});
test('stitched aria frames', async ({ client }) => {
expect(await client.callTool({
name: 'browser_navigate',
arguments: {
url: `data:text/html,Hello
`,
},
})).toContainTextContent(`
\`\`\`yaml
- heading "Hello" [level=1] [ref=s1e3]
- iframe [ref=s1e4]:
- button "World" [ref=f1s1e3]
- main [ref=f1s1e4]:
- iframe [ref=f1s1e5]:
- paragraph [ref=f2s1e3]: Nested
\`\`\`
`);
expect(await client.callTool({
name: 'browser_click',
arguments: {
element: 'World',
ref: 'f1s1e3',
},
})).toContainTextContent('Clicked "World"');
});
test('browser_choose_file', async ({ client }) => {
expect(await client.callTool({
name: 'browser_navigate',
arguments: {
url: 'data:text/html,Title',
},
})).toContainTextContent('- textbox [ref=s1e3]');
expect(await client.callTool({
name: 'browser_click',
arguments: {
element: 'Textbox',
ref: 's1e3',
},
})).toContainTextContent('There is a file chooser visible that requires browser_choose_file to be called');
const filePath = test.info().outputPath('test.txt');
await fs.writeFile(filePath, 'Hello, world!');
{
const response = await client.callTool({
name: 'browser_choose_file',
arguments: {
paths: [filePath],
},
});
expect(response).not.toContainTextContent('There is a file chooser visible that requires browser_choose_file to be called');
expect(response).toContainTextContent('textbox [ref=s3e3]: C:\\fakepath\\test.txt');
}
{
const response = await client.callTool({
name: 'browser_click',
arguments: {
element: 'Textbox',
ref: 's3e3',
},
});
expect(response).toContainTextContent('There is a file chooser visible that requires browser_choose_file to be called');
expect(response).toContainTextContent('button "Button" [ref=s4e4]');
}
{
const response = await client.callTool({
name: 'browser_click',
arguments: {
element: 'Button',
ref: 's4e4',
},
});
expect(response, 'not submitting browser_choose_file dismisses file chooser').not.toContainTextContent('There is a file chooser visible that requires browser_choose_file to be called');
}
});
test('sse transport', async () => {
const cp = spawn('node', [path.join(__dirname, '../cli.js'), '--port', '0'], { stdio: 'pipe' });
try {
let stdout = '';
const url = await new Promise(resolve => cp.stdout?.on('data', data => {
stdout += data.toString();
const match = stdout.match(/Listening on (http:\/\/.*)/);
if (match)
resolve(match[1]);
}));
// need dynamic import b/c of some ESM nonsense
const { SSEClientTransport } = await import('@modelcontextprotocol/sdk/client/sse.js');
const { Client } = await import('@modelcontextprotocol/sdk/client/index.js');
const transport = new SSEClientTransport(new URL(url));
const client = new Client({ name: 'test', version: '1.0.0' });
await client.connect(transport);
await client.ping();
} finally {
cp.kill();
}
});
test('cdp server', async ({ cdpEndpoint, startClient }) => {
const client = await startClient({ args: [`--cdp-endpoint=${cdpEndpoint}`] });
expect(await client.callTool({
name: 'browser_navigate',
arguments: {
url: 'data:text/html,TitleHello, world!',
},
})).toHaveTextContent(`
- Page URL: data:text/html,TitleHello, world!
- Page Title: Title
- Page Snapshot
\`\`\`yaml
- text: Hello, world!
\`\`\`
`
);
});
test('save as pdf', async ({ client }) => {
expect(await client.callTool({
name: 'browser_navigate',
arguments: {
url: 'data:text/html,TitleHello, world!',
},
})).toHaveTextContent(`
- Page URL: data:text/html,TitleHello, world!
- Page Title: Title
- Page Snapshot
\`\`\`yaml
- text: Hello, world!
\`\`\`
`
);
const response = await client.callTool({
name: 'browser_save_as_pdf',
});
expect(response).toHaveTextContent(/^Saved as.*page-[^:]+.pdf$/);
});
test('executable path', async ({ startClient }) => {
const client = await startClient({ args: [`--executable-path=bogus`] });
const response = await client.callTool({
name: 'browser_navigate',
arguments: {
url: 'data:text/html,TitleHello, world!',
},
});
expect(response).toContainTextContent(`executable doesn't exist`);
});
test('fill in text', async ({ client }) => {
await client.callTool({
name: 'browser_navigate',
arguments: {
url: `data:text/html,`,
},
});
await client.callTool({
name: 'browser_type',
arguments: {
element: 'textbox',
ref: 's1e3',
text: 'Hi!',
submit: true,
},
});
const resource = await client.readResource({
uri: 'browser://console',
});
expect(resource.contents).toEqual([{
uri: 'browser://console',
mimeType: 'text/plain',
text: '[LOG] Key pressed: Enter , Text: Hi!',
}]);
});
test('type slowly', async ({ client }) => {
await client.callTool({
name: 'browser_navigate',
arguments: {
url: `data:text/html,`,
},
});
await client.callTool({
name: 'browser_type',
arguments: {
element: 'textbox',
ref: 's1e3',
text: 'Hi!',
submit: true,
slowly: true,
},
});
const resource = await client.readResource({
uri: 'browser://console',
});
expect(resource.contents).toEqual([{
uri: 'browser://console',
mimeType: 'text/plain',
text: [
'[LOG] Key pressed: H Text: ',
'[LOG] Key pressed: i Text: H',
'[LOG] Key pressed: ! Text: Hi',
'[LOG] Key pressed: Enter Text: Hi!',
].join('\n'),
}]);
});