CodeSampleX

示例

@jest/test-result 29.7.0: makeEmptyAggregatedTestResult

已验证示例 — npm @jest/test-result 29.7.0: makeEmptyAggregatedTestResult. contract 在 node 22 · linux alpine/x64 · docker 上运行并通过： makeEmptyAggregatedTestResult…

sha256:ce7dd8c6b8d59916747eba58fd31dc76be84b6d80544a30343933593fb9ecd64

本网络只提供一件事：能构建的样本。它在沙箱中运行并保留签名回执。它不评级、不担保——同样的代码能否在你的环境构建，它没有测量过。 提交了通过的契约回执的不同签名密钥数量。为 1 表示只有作者；大于 1 表示还有其他人构建过。密钥是自行生成的，背后没有注册身份，因此计的是密钥而非人。 MIT-0

执行证据

声明的环境与签名的运行分开呈现，你可以看到这个样本究竟运行了什么、在哪里运行。

证据依据
签名契约通过
验证回执
1
构建过它的签名密钥
1
声明的环境 linux 24 · ubuntu · glibc 2.39 x64 npm

验证运行环境

环境 契约 阶段 运行日期
node 22 · linux alpine/x64 · docker ed25519:c1973797be207ac4 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · node-typescript@1node:22-alpine@sha256:c610fcdfb1d5…		 2026-08-26

案例

HOW
目标
verify pkg:npm/%40jest/test-result@29.7.0
包
符号
  • makeEmptyAggregatedTestResult
创建时间
2026-08-26T06:39:34Z

契约

  1. makeEmptyAggregatedTestResult returns an aggregated result with zeroed test and suite counters
  2. makeEmptyAggregatedTestResult initializes snapshot summary with zeroed counts and empty collections
  3. makeEmptyAggregatedTestResult initializes default run status flags with success true and wasInterrupted false
  4. makeEmptyAggregatedTestResult returns a new distinct object instance on each call
  5. accumulateResult updates aggregated counters when adding test results to an empty aggregated result

文件

  • PROMPT.md
  • csx.json
  • package-lock.json
  • package.json
  • spec.json
  • src/index.js
  • test/contract.mjs

下载源代码构件 (tar.gz)

源代码

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 pkg:npm/%40jest/test-result@29.7.0
Kind: HOW

Use EXACTLY these public packages and versions:
  - pkg:npm/%40jest/test-result@29.7.0
Demonstrate these symbols/APIs:
  - makeEmptyAggregatedTestResult

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:sha256:316915a7c6c536c85d40566c157a0317446bda3ee56b7c4c6bb03a642131c839","contract":["makeEmptyAggregatedTestResult returns an aggregated result with zeroed test and suite counters","makeEmptyAggregatedTestResult initializes snapshot summary with zeroed counts and empty collections","makeEmptyAggregatedTestResult initializes default run status flags with success true and wasInterrupted false","makeEmptyAggregatedTestResult returns a new distinct object instance on each call","accumulateResult updates aggregated counters when adding test results to an empty aggregated result"],"goal":"verify pkg:npm/%40jest/test-result@29.7.0","kind":"HOW","packages":["pkg:npm/%40jest/test-result@29.7.0"],"schemaVersion":1,"symbols":["makeEmptyAggregatedTestResult"]},"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/%40jest/test-result@29.7.0"],"schemaVersion":1,"subject":"pkg:npm/%40jest/test-result@29.7.0","symbols":["makeEmptyAggregatedTestResult"],"verifierAdapter":"node-typescript@1"}
package-lock.json
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  "name": "sample-jest-test-result-make-empty-aggregated-test-result",
  "version": "1.0.0",
  "lockfileVersion": 3,
  "requires": true,
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      "name": "sample-jest-test-result-make-empty-aggregated-test-result",
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    "node_modules/@babel/code-frame": {
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      "dependencies": {
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package.json
{
  "name": "sample-jest-test-result-make-empty-aggregated-test-result",
  "version": "1.0.0",
  "description": "verify pkg:npm/%40jest/test-result@29.7.0",
  "main": "src/index.js",
  "scripts": {
    "test": "node test/contract.mjs"
  },
  "dependencies": {
    "@jest/test-result": "29.7.0"
  },
  "license": "MIT-0"
}
spec.json
{
  "schemaVersion": 1,
  "goal": "verify pkg:npm/%40jest/test-result@29.7.0",
  "kind": "HOW",
  "packages": [
    "pkg:npm/%40jest/test-result@29.7.0"
  ],
  "symbols": [
    "makeEmptyAggregatedTestResult"
  ]
}
src/index.js
const {
  makeEmptyAggregatedTestResult,
  addResult,
  createEmptyTestResult
} = require('@jest/test-result');

/**
 * Initializes a new, empty aggregated test result container.
 *
 * @returns {import('@jest/test-result').AggregatedResult} An empty AggregatedResult object with zeroed counters.
 */
function createInitialAggregatedResult() {
  return makeEmptyAggregatedTestResult();
}

/**
 * Accumulates an individual test suite result into an aggregated test result.
 *
 * @param {import('@jest/test-result').AggregatedResult} aggregated - The target aggregated result object.
 * @param {import('@jest/test-result').TestResult} result - The test result to add.
 * @returns {import('@jest/test-result').AggregatedResult} The updated aggregated result.
 */
function accumulateResult(aggregated, result) {
  addResult(aggregated, result);
  return aggregated;
}

/**
 * Extracts a concise summary metrics report from an aggregated test result.
 *
 * @param {import('@jest/test-result').AggregatedResult} aggregated - The aggregated test result.
 * @returns {{ totalSuites: number, passedSuites: number, failedSuites: number, totalTests: number, passedTests: number, failedTests: number, success: boolean }}
 */
function getSummaryMetrics(aggregated) {
  return {
    totalSuites: aggregated.numTotalTestSuites,
    passedSuites: aggregated.numPassedTestSuites,
    failedSuites: aggregated.numFailedTestSuites,
    totalTests: aggregated.numTotalTests,
    passedTests: aggregated.numPassedTests,
    failedTests: aggregated.numFailedTests,
    success: aggregated.success
  };
}

module.exports = {
  createInitialAggregatedResult,
  accumulateResult,
  getSummaryMetrics,
  makeEmptyAggregatedTestResult,
  addResult,
  createEmptyTestResult
};
test/contract.mjs
import assert from 'node:assert';
import { createRequire } from 'node:module';

const require = createRequire(import.meta.url);
const {
  createInitialAggregatedResult,
  accumulateResult,
  getSummaryMetrics,
  makeEmptyAggregatedTestResult,
  addResult,
  createEmptyTestResult
} = require('../src/index.js');

// 1. Export verification
assert.strictEqual(typeof makeEmptyAggregatedTestResult, 'function', 'makeEmptyAggregatedTestResult must be a function');
assert.strictEqual(typeof createInitialAggregatedResult, 'function', 'createInitialAggregatedResult must be a function');
assert.strictEqual(typeof accumulateResult, 'function', 'accumulateResult must be a function');
assert.strictEqual(typeof getSummaryMetrics, 'function', 'getSummaryMetrics must be a function');
assert.strictEqual(typeof addResult, 'function', 'addResult must be a function');
assert.strictEqual(typeof createEmptyTestResult, 'function', 'createEmptyTestResult must be a function');

// 2. makeEmptyAggregatedTestResult returns an aggregated result with zeroed test and suite counters
{
  const result = makeEmptyAggregatedTestResult();
  assert.strictEqual(result.numFailedTests, 0, 'numFailedTests must be 0');
  assert.strictEqual(result.numFailedTestSuites, 0, 'numFailedTestSuites must be 0');
  assert.strictEqual(result.numPassedTests, 0, 'numPassedTests must be 0');
  assert.strictEqual(result.numPassedTestSuites, 0, 'numPassedTestSuites must be 0');
  assert.strictEqual(result.numPendingTests, 0, 'numPendingTests must be 0');
  assert.strictEqual(result.numPendingTestSuites, 0, 'numPendingTestSuites must be 0');
  assert.strictEqual(result.numRuntimeErrorTestSuites, 0, 'numRuntimeErrorTestSuites must be 0');
  assert.strictEqual(result.numTodoTests, 0, 'numTodoTests must be 0');
  assert.strictEqual(result.numTotalTests, 0, 'numTotalTests must be 0');
  assert.strictEqual(result.numTotalTestSuites, 0, 'numTotalTestSuites must be 0');
  assert.strictEqual(result.startTime, 0, 'startTime must be 0');
}

// 3. makeEmptyAggregatedTestResult initializes snapshot summary with zeroed counts and empty collections
{
  const result = makeEmptyAggregatedTestResult();
  assert.ok(result.snapshot, 'snapshot property must exist');
  assert.strictEqual(result.snapshot.added, 0, 'snapshot.added must be 0');
  assert.strictEqual(result.snapshot.didUpdate, false, 'snapshot.didUpdate must be false');
  assert.strictEqual(result.snapshot.failure, false, 'snapshot.failure must be false');
  assert.strictEqual(result.snapshot.filesAdded, 0, 'snapshot.filesAdded must be 0');
  assert.strictEqual(result.snapshot.filesRemoved, 0, 'snapshot.filesRemoved must be 0');
  assert.deepStrictEqual(result.snapshot.filesRemovedList, [], 'snapshot.filesRemovedList must be empty array');
  assert.strictEqual(result.snapshot.filesUnmatched, 0, 'snapshot.filesUnmatched must be 0');
  assert.strictEqual(result.snapshot.filesUpdated, 0, 'snapshot.filesUpdated must be 0');
  assert.strictEqual(result.snapshot.matched, 0, 'snapshot.matched must be 0');
  assert.strictEqual(result.snapshot.total, 0, 'snapshot.total must be 0');
  assert.strictEqual(result.snapshot.unchecked, 0, 'snapshot.unchecked must be 0');
  assert.deepStrictEqual(result.snapshot.uncheckedKeysByFile, [], 'snapshot.uncheckedKeysByFile must be empty array');
  assert.strictEqual(result.snapshot.unmatched, 0, 'snapshot.unmatched must be 0');
  assert.strictEqual(result.snapshot.updated, 0, 'snapshot.updated must be 0');
}

// 4. makeEmptyAggregatedTestResult initializes default run status flags with success true and wasInterrupted false
{
  const result = makeEmptyAggregatedTestResult();
  assert.strictEqual(result.success, true, 'success must default to true');
  assert.strictEqual(result.wasInterrupted, false, 'wasInterrupted must default to false');
  assert.deepStrictEqual(result.testResults, [], 'testResults must be an empty array');
  assert.deepStrictEqual(result.openHandles, [], 'openHandles must be an empty array');
}

// 5. makeEmptyAggregatedTestResult returns a new distinct object instance on each call
{
  const result1 = makeEmptyAggregatedTestResult();
  const result2 = makeEmptyAggregatedTestResult();
  assert.notStrictEqual(result1, result2, 'Each call must return a fresh object instance');
  assert.notStrictEqual(result1.snapshot, result2.snapshot, 'Each call must return fresh nested snapshot instance');
  assert.notStrictEqual(result1.testResults, result2.testResults, 'Each call must return fresh testResults array');
  assert.notStrictEqual(result1.openHandles, result2.openHandles, 'Each call must return fresh openHandles array');
}

// 6. accumulateResult updates aggregated counters when adding test results to an empty aggregated result
{
  const aggregated = createInitialAggregatedResult();
  const testResult = createEmptyTestResult();
  testResult.numPassingTests = 3;
  testResult.numFailingTests = 1;
  testResult.testFilePath = 'sample.test.js';

  accumulateResult(aggregated, testResult);

  assert.strictEqual(aggregated.numTotalTests, 4, 'numTotalTests must be 4');
  assert.strictEqual(aggregated.numPassedTests, 3, 'numPassedTests must be 3');
  assert.strictEqual(aggregated.numFailedTests, 1, 'numFailedTests must be 1');
  assert.strictEqual(aggregated.numFailedTestSuites, 1, 'numFailedTestSuites must be 1');
  assert.strictEqual(aggregated.testResults.length, 1, 'testResults must have length 1');

  const metrics = getSummaryMetrics(aggregated);
  assert.deepStrictEqual(metrics, {
    totalSuites: 0,
    passedSuites: 0,
    failedSuites: 1,
    totalTests: 4,
    passedTests: 3,
    failedTests: 1,
    success: true
  }, 'Metrics must match accumulated test values');
}

console.log('All contract assertions passed successfully.');

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