snapshot.test.ts•2.58 kB
/**
* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import {describe, it} from 'node:test';
import assert from 'assert';
import {html, withBrowser} from '../utils.js';
import {takeSnapshot, waitFor} from '../../src/tools/snapshot.js';
describe('snapshot', () => {
describe('browser_snapshot', () => {
it('includes a snapshot', async () => {
await withBrowser(async (response, context) => {
await takeSnapshot.handler({params: {}}, response, context);
assert.ok(response.includeSnapshot);
});
});
});
describe('browser_wait_for', () => {
it('should work', async () => {
await withBrowser(async (response, context) => {
const page = await context.getSelectedPage();
await page.setContent(
html`<main><span>Hello</span><span> </span><div>World</div></main>`,
);
await waitFor.handler(
{
params: {
text: 'Hello',
},
},
response,
context,
);
assert.equal(
response.responseLines[0],
'Element with text "Hello" found.',
);
assert.ok(response.includeSnapshot);
});
});
it('should work with element that show up later', async () => {
await withBrowser(async (response, context) => {
const page = await context.getSelectedPage();
const handlePromise = waitFor.handler(
{
params: {
text: 'Hello World',
},
},
response,
context,
);
await page.setContent(
html`<main><span>Hello</span><span> </span><div>World</div></main>`,
);
await handlePromise;
assert.equal(
response.responseLines[0],
'Element with text "Hello World" found.',
);
assert.ok(response.includeSnapshot);
});
});
it('should work with aria elements', async () => {
await withBrowser(async (response, context) => {
const page = await context.getSelectedPage();
await page.setContent(
html`<main><h1>Header</h1><div>Text</div></main>`,
);
await waitFor.handler(
{
params: {
text: 'Header',
},
},
response,
context,
);
assert.equal(
response.responseLines[0],
'Element with text "Header" found.',
);
assert.ok(response.includeSnapshot);
});
});
});
});