Exemplo
playwright 1.63.0
Amostra verificada para npm playwright 1.63.0. O contrato rodou em node 22 · linux debian/x64 · docker e passou: chromium, firefox, and webkit browser types…
sha256:d5e9d11d35391f53bd06aa71c11eef57188f162b3d4547defb0ca3d142c212a5
Esta rede oferece uma coisa: uma amostra que compila. Ela a executou em um sandbox e guardou o recibo assinado. Não classifica nem garante nada — se o mesmo código compila onde você está, ela não mediu.
Quantas chaves de assinatura distintas enviaram um recibo de contrato aprovado. Uma é só o autor; mais de uma significa que outra pessoa também o compilou. Uma chave é gerada por conta própria e não tem identidade registrada por trás, então conta chaves, não pessoas.
MIT-0
Evidência de execução
O ambiente declarado e as execuções assinadas ficam separados, para você ver exatamente o que esta amostra executou e onde.
- Base da evidência
- Contrato assinado aprovado
- Recibos de verificação
- 1
- Chaves de assinatura que o compilaram
- 1
Ambiente declarado
linux 24 · ubuntu · glibc 2.39 x64 npm
Ambientes das execuções de verificação
| Ambiente | Contrato | Etapas | Execução |
|---|---|---|---|
| node 22 · linux debian/x64 · docker ed25519:c1973797be207ac4 | PASS | compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS CONTAINER_RUN · node-typescript@1node:22@sha256:8a34c4ab3ea2… |
2026-09-10 |
Caso
HOW- Objetivo
- verify pkg:npm/playwright@1.63.0
- Pacotes
- Criado
- 2026-09-10T17:27:14Z
Contrato
- chromium, firefox, and webkit browser types provide expected type names
- devices dictionary exposes mobile device emulation profiles
- errors namespace exports TimeoutError error class
- request APIRequestContext sends HTTP GET requests and parses JSON responses
- request APIRequestContext supports POST requests with JSON payload
- request APIRequestContext handles non-ok status codes and text responses
Arquivos
- PROMPT.md
- csx.json
- package-lock.json
- package.json
- spec.json
- test/contract.mjs
Código-fonte
Clean-room public code sample — generation instructions
Write a brand-new, minimal, self-contained code sample in this clean-room directory.
Do not copy, paraphrase, or reference any existing project source. Work only from this spec.
A csx.json manifest scaffold already exists. Do not recreate it from memory. Preserve its case.goal, packages and symbols; fill its empty case.contract with exact assertions and correct its environment, commands and verifierAdapter for the files you generate.
Goal: verify pkg:npm/playwright@1.63.0
Kind: HOW
Use EXACTLY these public packages and versions:
- pkg:npm/playwright@1.63.0
Rules:
- One focused purpose; the smallest project that proves the goal.
- Include a contract test (test/contract.*) that runs OFFLINE and exits 0 exactly when the goal behavior works.
- Pin every dependency with a lockfile so resolution is reproducible.
- No secrets, credentials, or tokens. No real URLs (only example.com or localhost). No absolute paths.
- No personal names, emails, company names, or project identifiers of any kind.
- No binaries and no generated output (node_modules, dist, target, venv, .git, .env).
- Keep it under 200 files and 256KB packed.
{"case":{"caseId":"case:sha256:3942bed4780aa5fce744f527f2ccf432f45846b641749064350e55a87e22fbbb","contract":["chromium, firefox, and webkit browser types provide expected type names","devices dictionary exposes mobile device emulation profiles","errors namespace exports TimeoutError error class","request APIRequestContext sends HTTP GET requests and parses JSON responses","request APIRequestContext supports POST requests with JSON payload","request APIRequestContext handles non-ok status codes and text responses"],"goal":"verify pkg:npm/playwright@1.63.0","kind":"HOW","packages":["pkg:npm/playwright@1.63.0"],"schemaVersion":1},"contractCommand":["node","test/contract.mjs"],"environment":{"arch":"x64","distro":"ubuntu","ecosystem":"npm","libc":"glibc","libcVersion":"2.39","os":"linux","osVersionBucket":"24","packageManager":"npm","schemaVersion":1},"license":"MIT-0","packages":["pkg:npm/playwright@1.63.0"],"schemaVersion":1,"subject":"pkg:npm/playwright@1.63.0","verifierAdapter":"node-typescript@1"}
{
"name": "playwright-sample",
"version": "1.0.0",
"lockfileVersion": 3,
"requires": true,
"packages": {
"": {
"name": "playwright-sample",
"version": "1.0.0",
"dependencies": {
"playwright": "1.63.0"
}
},
"node_modules/playwright": {
"version": "1.63.0",
"resolved": "https://registry.npmjs.org/playwright/-/playwright-1.63.0.tgz",
"integrity": "sha512-+7ziBLidS4NaNCdt57SUDT+wYmmd5fmiQejUic/kb+YsYSCPyOOE9sebzMjNmQrsnNpDJqd4WHvV/8lfKfUDUg==",
"license": "Apache-2.0",
"dependencies": {
"playwright-core": "1.63.0"
},
"bin": {
"playwright": "cli.js"
},
"engines": {
"node": ">=20"
}
},
"node_modules/playwright-core": {
"version": "1.63.0",
"resolved": "https://registry.npmjs.org/playwright-core/-/playwright-core-1.63.0.tgz",
"integrity": "sha512-rYCsBF/M5HjUch52bbtVONEFjv6Xu8sm8h72dNlR5bzIE1fvC/bxgspzkjSfU+MweEMmPM8KJebG6nnyxo5mCg==",
"license": "Apache-2.0",
"bin": {
"playwright-core": "cli.js"
},
"engines": {
"node": ">=20"
}
}
}
}
{
"name": "playwright-sample",
"version": "1.0.0",
"private": true,
"description": "Clean-room verification for playwright",
"dependencies": {
"playwright": "1.63.0"
}
}
{
"schemaVersion": 1,
"goal": "verify pkg:npm/playwright@1.63.0",
"kind": "HOW",
"packages": [
"pkg:npm/playwright@1.63.0"
]
}
import assert from 'node:assert';
import http from 'node:http';
import { chromium, firefox, webkit, devices, errors, request } from 'playwright';
// 1. chromium, firefox, and webkit browser types provide expected type names
assert.strictEqual(chromium.name(), 'chromium');
assert.strictEqual(firefox.name(), 'firefox');
assert.strictEqual(webkit.name(), 'webkit');
// 2. devices dictionary exposes mobile device emulation profiles
assert.ok('iPhone 12' in devices);
const iphone = devices['iPhone 12'];
assert.ok(iphone.userAgent.includes('iPhone'));
assert.strictEqual(typeof iphone.viewport.width, 'number');
assert.strictEqual(typeof iphone.viewport.height, 'number');
assert.strictEqual(iphone.isMobile, true);
assert.strictEqual(iphone.hasTouch, true);
// 3. errors namespace exports TimeoutError error class
assert.ok(errors.TimeoutError);
const timeoutErr = new errors.TimeoutError('operation timed out');
assert.ok(timeoutErr instanceof Error);
assert.strictEqual(timeoutErr.name, 'TimeoutError');
// 4. request APIRequestContext sends HTTP GET requests and parses JSON responses
{
const server = http.createServer((req, res) => {
if (req.url === '/api/status') {
res.writeHead(200, { 'Content-Type': 'application/json' });
res.end(JSON.stringify({ status: 'ok', version: '1.63.0' }));
return;
}
res.writeHead(404);
res.end();
});
await new Promise((resolve) => server.listen(0, '127.0.0.1', resolve));
const port = server.address().port;
try {
const context = await request.newContext({ baseURL: `http://127.0.0.1:${port}` });
const res = await context.get('/api/status');
assert.strictEqual(res.status(), 200);
assert.strictEqual(res.ok(), true);
const data = await res.json();
assert.strictEqual(data.status, 'ok');
assert.strictEqual(data.version, '1.63.0');
await context.dispose();
} finally {
await new Promise((resolve) => server.close(resolve));
}
}
// 5. request APIRequestContext supports POST requests with JSON payload
{
let receivedBody = null;
const server = http.createServer((req, res) => {
let body = '';
req.on('data', (chunk) => {
body += chunk;
});
req.on('end', () => {
receivedBody = JSON.parse(body);
res.writeHead(201, { 'Content-Type': 'application/json' });
res.end(JSON.stringify({ received: true, echo: receivedBody }));
});
});
await new Promise((resolve) => server.listen(0, '127.0.0.1', resolve));
const port = server.address().port;
try {
const context = await request.newContext({ baseURL: `http://127.0.0.1:${port}` });
const res = await context.post('/api/echo', {
data: { test: 'playwright-contract' },
});
assert.strictEqual(res.status(), 201);
const data = await res.json();
assert.strictEqual(data.received, true);
assert.deepStrictEqual(data.echo, { test: 'playwright-contract' });
await context.dispose();
} finally {
await new Promise((resolve) => server.close(resolve));
}
}
// 6. request APIRequestContext handles non-ok status codes and text responses
{
const server = http.createServer((req, res) => {
res.writeHead(404, { 'Content-Type': 'text/plain' });
res.end('Not Found Here');
});
await new Promise((resolve) => server.listen(0, '127.0.0.1', resolve));
const port = server.address().port;
try {
const context = await request.newContext({ baseURL: `http://127.0.0.1:${port}` });
const res = await context.get('/missing');
assert.strictEqual(res.status(), 404);
assert.strictEqual(res.ok(), false);
const text = await res.text();
assert.strictEqual(text, 'Not Found Here');
await context.dispose();
} finally {
await new Promise((resolve) => server.close(resolve));
}
}
console.log('Contract passed');
Seeder de origem
anônimo