Exemplo

electron-publish 25.1.7: HttpPublisher

Amostra verificada para npm electron-publish 25.1.7: HttpPublisher. O contrato rodou em node 22 · linux debian/x64 · docker e passou.

sha256:e2e097d659d1bd6caf91d0472a7ac7a5bb86de88c1017895925ceb4b2e2bf304

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 node 22.23 linux 24 · ubuntu · glibc 2.39 x64 node 22.23 javascript npm 10

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…	2026-09-02

Caso

HOW

Objetivo: verify HttpPublisher in pkg:npm/electron-publish@25.1.7
Pacotes: electron-publish 25.1.7
Símbolos: HttpPublisher
Ambiente: node 22.23.2
Criado: 2026-09-02T14:01:28Z

Contrato

HttpPublisher provides a base class constructor for HTTP-based artifact uploads requiring doUpload implementation
HttpPublisher uploads in-memory buffer payloads with byte length calculation and target basename
HttpPublisher resolves artifact file size from filesystem and uploads with custom safeArtifactName when enabled
HttpPublisher falls back to file basename when safeArtifactName is disabled

Arquivos

PROMPT.md
csx.json
index.js
package-lock.json
package.json
spec.json
test/contract.cjs

Baixar o artefato de código-fonte (tar.gz)

Código-fonte

PROMPT.md

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 HttpPublisher in pkg:npm/electron-publish@25.1.7
Kind: HOW

Use EXACTLY these public packages and versions:
  - pkg:npm/electron-publish@25.1.7
Demonstrate these symbols/APIs:
  - HttpPublisher
Constraints:
  - executionContext: node
Required runtime conditions:
  - ecosystem: npm
  - language: javascript
  - moduleSystem: cjs
  - packageManager: npm@10.9.8
  - runtime: node@22.23.2

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.

csx.json

{"case":{"caseId":"case:sha256:ba88516099e2f4cde94d794e45d497a5aa2b8a19d3dabde7665f5cdd86ea3861","constraints":{"executionContext":"node"},"contract":["HttpPublisher provides a base class constructor for HTTP-based artifact uploads requiring doUpload implementation","HttpPublisher uploads in-memory buffer payloads with byte length calculation and target basename","HttpPublisher resolves artifact file size from filesystem and uploads with custom safeArtifactName when enabled","HttpPublisher falls back to file basename when safeArtifactName is disabled"],"goal":"verify HttpPublisher in pkg:npm/electron-publish@25.1.7","kind":"HOW","packages":["pkg:npm/electron-publish@25.1.7"],"schemaVersion":1,"symbols":["HttpPublisher"]},"contractCommand":["node","test/contract.cjs"],"environment":{"arch":"x64","distro":"ubuntu","ecosystem":"npm","executionContext":"node","language":"javascript","libc":"glibc","libcVersion":"2.39","moduleSystem":"cjs","os":"linux","osVersionBucket":"24","packageManager":"npm","packageManagerVersion":"10.9.8","runtime":"node","runtimeVersion":"22.23.2","schemaVersion":1},"license":"MIT-0","packages":["pkg:npm/electron-publish@25.1.7"],"schemaVersion":1,"subject":"pkg:npm/electron-publish@25.1.7","symbols":["HttpPublisher"],"verifierAdapter":"node-typescript@1"}

index.js

'use strict';

const { HttpPublisher } = require('electron-publish');

/**
 * Custom HTTP publisher extending the base HttpPublisher.
 */
class CustomHttpPublisher extends HttpPublisher {
  constructor(context, useSafeArtifactName = false) {
    super(context, useSafeArtifactName);
    this.uploads = [];
  }

  get providerName() {
    return 'custom-http';
  }

  async doUpload(fileName, arch, dataLength, requestProcessor, file) {
    const uploadRecord = {
      fileName,
      arch,
      dataLength,
      file: file || null
    };
    this.uploads.push(uploadRecord);
    return uploadRecord;
  }

  toString() {
    return 'CustomHttpPublisher';
  }
}

module.exports = {
  HttpPublisher,
  CustomHttpPublisher
};

package-lock.json

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      }
    },
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package.json

{
  "name": "sample-electron-publish-http-publisher",
  "version": "1.0.0",
  "private": true,
  "description": "verify HttpPublisher in pkg:npm/electron-publish@25.1.7",
  "main": "index.js",
  "scripts": {
    "test": "node test/contract.cjs"
  },
  "dependencies": {
    "electron-publish": "25.1.7"
  },
  "license": "MIT-0"
}

spec.json

{
  "schemaVersion": 1,
  "goal": "verify HttpPublisher in pkg:npm/electron-publish@25.1.7",
  "kind": "HOW",
  "packages": [
    "pkg:npm/electron-publish@25.1.7"
  ],
  "symbols": [
    "HttpPublisher"
  ],
  "constraints": {
    "executionContext": "node"
  },
  "runtimeConditions": {
    "ecosystem": "npm",
    "language": "javascript",
    "moduleSystem": "cjs",
    "packageManager": "npm@10.9.8",
    "runtime": "node@22.23.2"
  }
}

test/contract.cjs

'use strict';

const assert = require('assert');
const fs = require('fs');
const path = require('path');
const os = require('os');
const { HttpPublisher, CustomHttpPublisher } = require('../index.js');

async function run() {
  const tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), 'electron-publish-contract-'));
  const testArtifact = path.join(tmpDir, 'release-app-x64.tar.gz');

  try {
    const dummyContent = 'electron publish http publisher artifact content';
    fs.writeFileSync(testArtifact, dummyContent, 'utf8');

    const fakeContext = {
      cancellationToken: {
        isCancelled: false,
        createPromise: () => new Promise(() => {})
      },
      progress: null
    };

    // 1. Verify HttpPublisher class constructor and custom extension
    assert.strictEqual(typeof HttpPublisher, 'function', 'HttpPublisher must be a class constructor');
    const publisher = new CustomHttpPublisher(fakeContext, false);
    assert.strictEqual(publisher.providerName, 'custom-http', 'providerName must return custom-http');
    assert.strictEqual(publisher.toString(), 'CustomHttpPublisher', 'toString must return CustomHttpPublisher');
    assert.strictEqual(publisher.useSafeArtifactName, false, 'useSafeArtifactName must default to false');

    // 2. Verify upload with in-memory buffer payload
    const bufferPayload = Buffer.from('in-memory-contract-data', 'utf8');
    await publisher.upload({
      file: '/virtual/path/dist-package.zip',
      fileContent: bufferPayload,
      arch: 1
    });

    assert.strictEqual(publisher.uploads.length, 1, 'CustomHttpPublisher must record buffer upload');
    assert.strictEqual(publisher.uploads[0].fileName, 'dist-package.zip', 'upload must use basename for virtual artifact file');
    assert.strictEqual(publisher.uploads[0].dataLength, bufferPayload.length, 'upload must provide exact buffer byte length');
    assert.strictEqual(publisher.uploads[0].arch, 1, 'upload must preserve target architecture');

    // 3. Verify upload with disk file and safeArtifactName enabled
    const safePublisher = new CustomHttpPublisher(fakeContext, true);
    assert.strictEqual(safePublisher.useSafeArtifactName, true, 'useSafeArtifactName must be set to true');
    const fileUploadResult = await safePublisher.upload({
      file: testArtifact,
      arch: 1,
      safeArtifactName: 'custom-safe-name.tar.gz'
    });

    assert.strictEqual(safePublisher.uploads.length, 1, 'safePublisher must record disk file upload');
    assert.strictEqual(safePublisher.uploads[0].fileName, 'custom-safe-name.tar.gz', 'upload must use safeArtifactName when enabled');
    assert.strictEqual(safePublisher.uploads[0].dataLength, Buffer.byteLength(dummyContent, 'utf8'), 'upload must resolve file size from disk');
    assert.strictEqual(safePublisher.uploads[0].file, testArtifact, 'upload must pass file path to doUpload');
    assert.strictEqual(fileUploadResult.fileName, 'custom-safe-name.tar.gz', 'upload must return doUpload result for disk files');

    // 4. Verify upload with disk file and safeArtifactName disabled fallback
    const defaultPublisher = new CustomHttpPublisher(fakeContext, false);
    const defaultUploadResult = await defaultPublisher.upload({
      file: testArtifact,
      arch: 0,
      safeArtifactName: 'ignored-safe-name.tar.gz'
    });

    assert.strictEqual(defaultPublisher.uploads.length, 1, 'defaultPublisher must record disk file upload');
    assert.strictEqual(defaultPublisher.uploads[0].fileName, 'release-app-x64.tar.gz', 'upload must fall back to file basename when useSafeArtifactName is false');
    assert.strictEqual(defaultPublisher.uploads[0].dataLength, Buffer.byteLength(dummyContent, 'utf8'), 'upload must resolve file size for fallback');
    assert.strictEqual(defaultUploadResult.fileName, 'release-app-x64.tar.gz', 'upload must return doUpload result for fallback');

    console.log('Contract tests passed successfully.');
    process.exit(0);
  } finally {
    try {
      if (fs.existsSync(tmpDir)) {
        fs.rmSync(tmpDir, { recursive: true, force: true });
      }
    } catch (e) {
      // Ignore cleanup error
    }
  }
}

run().catch((err) => {
  console.error('Contract test failed:', err);
  process.exit(1);
});

Seeder de origem

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