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231/**
* 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 { z as zod3 } from 'zod/v3';
import * as zod4 from 'zod';
import fs from 'fs';
import { browserTest as test, expect } from '../config/browserTest';
import { run, generateAgent, cacheObject, runAgent, setCacheObject, cacheFile } from './agent-helpers';
// LOWIRE_NO_CACHE=1 to generate api caches
// LOWIRE_FORCE_CACHE=1 to force api caches
test('click a button', async ({ context }) => {
await run(context, async (page, agent) => {
let clicked = 0;
await page.exposeFunction('clicked', () => ++clicked);
await page.setContent(`<button onclick="clicked()">Submit</button>`);
await agent.perform('click the Submit button');
expect(clicked).toBe(1);
});
expect(await cacheObject()).toEqual({
'click the Submit button': {
actions: [{
code: `await page.getByRole('button', { name: 'Submit' }).click();`,
method: 'click',
selector: `internal:role=button[name=\"Submit\"i]`,
}],
},
});
});
test('retrieve a secret', async ({ context }) => {
await run(context, async (page, agent) => {
await page.setContent('<input type="email" name="email" placeholder="Email Address"/>');
await agent.perform('Enter x-secret-email into the email field');
await expect(page.locator('body')).toMatchAriaSnapshot(`
- textbox "Email Address": secret-email@at-microsoft.com
`);
}, { secrets: { 'x-secret-email': 'secret-email@at-microsoft.com' } });
expect(await cacheObject()).toEqual({
'Enter x-secret-email into the email field': {
actions: [{
code: `await page.getByRole('textbox', { name: 'Email Address' }).fill('secret-email@at-microsoft.com');`,
method: 'fill',
selector: `internal:role=textbox[name=\"Email Address\"i]`,
text: 'secret-email@at-microsoft.com',
}],
},
});
});
test('extract task', async ({ context }) => {
const { page, agent } = await generateAgent(context);
await page.setContent(`
<ul>
<li>Buy groceries [DONE]</li>
<li>Buy milk [PENDING]</li>
</ul>
`);
await test.step('zod 3', async () => {
const { result } = await agent.extract('List todos with their statuses', zod3.object({
items: zod3.object({
title: zod3.string(),
completed: zod3.boolean(),
}).array(),
}));
expect(result.items).toEqual([
{ title: 'Buy groceries', completed: true },
{ title: 'Buy milk', completed: false }
]);
});
await test.step('zod 4', async () => {
const { result } = await agent.extract('List todos with their statuses', zod4.object({
items: zod4.object({
title: zod4.string(),
completed: zod4.boolean(),
}).array(),
}));
expect(result.items).toEqual([
{ title: 'Buy groceries', completed: true },
{ title: 'Buy milk', completed: false }
]);
});
});
test('expect value', async ({ context }) => {
const task = `
- Enter "bogus" into the email field
- Check that the value is in fact "bogus"
- Check that the error message is displayed
`;
await run(context, async (page, agent) => {
await page.setContent(`
<script>
function onInput(event) {
if (!event.target.value.match(/^[^@]+@[^@]+$/))
document.getElementById('error').style.display = 'block';
else
document.getElementById('error').style.display = 'none';
}
</script>
<input type="email" name="email" placeholder="Email Address" oninput="onInput(event);"/>
<div id="error" style="color: red; display: none;">Error: Invalid email address</div>
`);
await agent.perform(task);
});
const expectations = {};
expectations[task.trim()] = {
actions: [{
code: `await page.getByRole('textbox', { name: 'Email Address' }).fill('bogus');`,
method: 'fill',
selector: `internal:role=textbox[name=\"Email Address\"i]`,
text: 'bogus',
}],
};
expect(await cacheObject()).toEqual(expectations);
});
test('perform history', async ({ context }) => {
await run(context, async (page, agent) => {
let clicked = 0;
await page.exposeFunction('clicked', () => clicked++);
await page.setContent(`
<button>Wolf</button>
<button onclick="clicked()">Fox</button>
<button>Rabbit</button>
`);
await agent.perform('click the Fox button');
await agent.perform('click the Fox button again');
expect(clicked).toBe(2);
});
});
test('perform run timeout', async ({ context }) => {
{
const { page, agent } = await generateAgent(context);
await page.setContent(`
<button>Wolf</button>
<button>Fox</button>
`);
await agent.perform('click the Fox button');
}
{
const { page, agent } = await runAgent(context);
await page.setContent(`
<button>Wolf</button>
<button>Rabbit</button>
`);
const error = await agent.perform('click the Fox button', { timeout: 3000 }).catch(e => e);
expect(error.message).toContain('Timeout 3000ms exceeded.');
expect(error.message).toContain(`waiting for getByRole('button', { name: 'Fox' })`);
}
});
test('invalid cache file throws error', async ({ context }) => {
await setCacheObject({
'some key': {
actions: [{
method: 'invalid-method',
}],
},
});
const { agent } = await runAgent(context);
await expect(() => agent.perform('click the Test button')).rejects.toThrowError(`
Failed to parse cache file ${test.info().outputPath('agent-cache.json')}:
✖ Invalid input
→ at [\"some key\"].actions[0].method
✖ Invalid input: expected string, received undefined
→ at [\"some key\"].actions[0].code
`.trim());
});
test('non-json cache file throws a nice error', async ({ context }) => {
await fs.promises.writeFile(cacheFile(), 'bogus', 'utf8');
const { agent } = await runAgent(context);
const error = await agent.perform('click the Test button').catch(e => e);
expect(error.message).toContain(`Failed to parse cache file ${test.info().outputPath('agent-cache.json')}:`);
expect(error.message.toLowerCase()).toContain(`valid json`);
});
test('empty cache file works', async ({ context }) => {
await fs.promises.writeFile(cacheFile(), '', 'utf8');
const { page, agent } = await generateAgent(context);
await page.setContent(`<button>Test</button>`);
await agent.perform('click the Test button');
});
test('missing apiKey throws a nice error', async ({ page }) => {
const agent = await page.agent({ provider: { api: 'anthropic', model: 'some model' } as any });
const error = await agent.perform('click the Test button').catch(e => e);
expect(error.message).toContain(`This action requires API key to be set on the page agent`);
});
test('malformed apiEndpoint throws a nice error', async ({ page }) => {
const agent = await page.agent({ provider: { api: 'anthropic', model: 'some model', apiKey: 'some key', apiEndpoint: 'foobar' } });
const error = await agent.perform('click the Test button').catch(e => e);
expect(error.message).toContain(`Agent API endpoint "foobar" is not a valid URL`);
});
test('perform reports error', async ({ context }) => {
const { page, agent } = await generateAgent(context);
await page.setContent(`
<button>Wolf</button>
<button>Fox</button>
`);
const e = await agent.perform('click the Rabbit button').catch(e => e);
expect(e.message).toContain('Agent refused to perform action:');
});