/**
* @license
* Copyright 2026 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import assert from 'node:assert';
import fs from 'node:fs';
import path from 'node:path';
import {describe, it} from 'node:test';
import {evaluate, navigate, screenshot} from '../../../src/tools/slim/tools.js';
import {screenshots} from '../../snapshot.js';
import {withMcpContext} from '../../utils.js';
describe('slim', () => {
it('evaluates', async t => {
await withMcpContext(async (response, context) => {
await evaluate.handler(
{
params: {
script: `2 * 5`,
},
page: context.getSelectedMcpPage(),
},
response,
context,
);
t.assert.snapshot?.(response.responseLines.join('\n'));
});
});
it('handles errors', async t => {
await withMcpContext(async (response, context) => {
await evaluate.handler(
{
params: {
script: `throw new Error('test error')`,
},
page: context.getSelectedMcpPage(),
},
response,
context,
);
t.assert.snapshot?.(response.responseLines.join('\n'));
});
});
it('navigates to correct page', async t => {
await withMcpContext(async (response, context) => {
await navigate.handler(
{
params: {url: 'data:text/html,<div>Hello MCP</div>'},
page: context.getSelectedMcpPage(),
},
response,
context,
);
const page = context.getSelectedPptrPage();
assert.equal(
await page.evaluate(() => document.querySelector('div')?.textContent),
'Hello MCP',
);
assert(!response.includePages);
t.assert.snapshot?.(response.responseLines.join('\n'));
});
});
it('with default options', async () => {
await withMcpContext(async (response, context) => {
const fixture = screenshots.basic;
const page = context.getSelectedPptrPage();
await page.setContent(fixture.html);
await screenshot.handler(
{params: {format: 'png'}, page: context.getSelectedMcpPage()},
response,
context,
);
assert(path.isAbsolute(response.responseLines.at(0)!));
assert(fs.existsSync(response.responseLines.at(0)!));
});
});
});
