CodeSampleX

Пример

vitest 4.1.11: it

Проверенный пример — npm vitest 4.1.11: it. Контракт выполнен на node 22 · linux alpine/x64 · docker и пройден: it registers and executes a test task with…

sha256:0c8da7e78a2a04c01e7cb2924e35d5766709c2185a538d07feedc5fb3ff9cd5d

Эта сеть предлагает одно: образец, который собирается. Она запустила его в песочнице и сохранила подписанную квитанцию. Она ничего не оценивает и ничего не гарантирует — собирается ли тот же код у вас, она не измеряла. Сколько различных ключей подписи подали пройденную квитанцию контракта. Один — только автор; больше одного — значит, кто-то ещё тоже собрал. Ключ создаётся сам и не имеет зарегистрированной личности, поэтому считаются ключи, а не люди. MIT-0

Свидетельства выполнения

Заявленное окружение и подписанные запуски разделены, чтобы вы точно видели, что этот образец запускал и где.

Основа свидетельства
Подписанный контракт пройден
Квитанции проверки
1
Ключи подписи, собравшие его
1
Заявленная среда node 22.23 linux 24 · ubuntu · glibc 2.39 x64 node 22.23 javascript npm 10

Среды запусков проверки

Окружение Контракт Этапы Запуск
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…		 2026-08-28

Кейс

HOW
Цель
verify vitest.it in pkg:npm/vitest@4.1.11
Пакеты
Символы
  • vitest.it
Окружение
node 22.23.2
Создан
2026-08-28T08:32:21Z

Контракт

  1. it registers and executes a test task with type 'test', mode 'run', and result state 'pass'
  2. it.skip marks a test task with mode 'skip' and skips test execution
  3. it.todo marks a test task with mode 'todo' as an unexecuted pending placeholder
  4. it.fails marks a test task with fails flag that passes when its assertion fails
  5. it.each dynamically generates parameterized test tasks for each row in a test table
  6. it.concurrent marks test tasks with concurrent flag to run asynchronously in parallel
  7. it.sequential configures test tasks to execute sequentially in order

Файлы

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

Скачать артефакт с исходным кодом (tar.gz)

Исходный код

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 vitest.it in pkg:npm/vitest@4.1.11
Kind: HOW

Use EXACTLY these public packages and versions:
  - pkg:npm/vitest@4.1.11
Demonstrate these symbols/APIs:
  - vitest.it
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:sha256:0985f11503e215cdfb810b9ca7f44892a03fefcccd73b9fa79511f221acda7a0","constraints":{"executionContext":"node"},"contract":["it registers and executes a test task with type 'test', mode 'run', and result state 'pass'","it.skip marks a test task with mode 'skip' and skips test execution","it.todo marks a test task with mode 'todo' as an unexecuted pending placeholder","it.fails marks a test task with fails flag that passes when its assertion fails","it.each dynamically generates parameterized test tasks for each row in a test table","it.concurrent marks test tasks with concurrent flag to run asynchronously in parallel","it.sequential configures test tasks to execute sequentially in order"],"goal":"verify vitest.it in pkg:npm/vitest@4.1.11","kind":"HOW","packages":["pkg:npm/vitest@4.1.11"],"schemaVersion":1,"symbols":["vitest.it"]},"contractCommand":["node","test/contract.mjs"],"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/vitest@4.1.11"],"schemaVersion":1,"subject":"pkg:npm/vitest@4.1.11","symbols":["vitest.it"],"verifierAdapter":"node-typescript@1"}
package-lock.json
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      "license": "MIT",
      "dependencies": {
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        "@vitest/mocker": "4.1.11",
        "@vitest/pretty-format": "4.1.11",
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      },
      "bin": {
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      },
      "engines": {
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      },
      "funding": {
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      },
      "peerDependencies": {
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        "@vitest/ui": "4.1.11",
        "happy-dom": "*",
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        },
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          "optional": true
        },
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          "optional": true
        },
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          "optional": true
        },
        "@vitest/ui": {
          "optional": true
        },
        "happy-dom": {
          "optional": true
        },
        "jsdom": {
          "optional": true
        },
        "vite": {
          "optional": false
        }
      }
    },
    "node_modules/why-is-node-running": {
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      "license": "MIT",
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        "stackback": "0.0.2"
      },
      "bin": {
        "why-is-node-running": "cli.js"
      },
      "engines": {
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      }
    }
  }
}
package.json
{
  "name": "sample-vitest-it",
  "version": "1.0.0",
  "private": true,
  "description": "Clean-room verification of vitest.it",
  "main": "src/index.js",
  "dependencies": {
    "vitest": "4.1.11"
  }
}
spec.json
{
  "schemaVersion": 1,
  "goal": "verify vitest.it in pkg:npm/vitest@4.1.11",
  "kind": "HOW",
  "packages": [
    "pkg:npm/vitest@4.1.11"
  ],
  "symbols": [
    "vitest.it"
  ],
  "constraints": {
    "executionContext": "node"
  },
  "runtimeConditions": {
    "ecosystem": "npm",
    "language": "javascript",
    "moduleSystem": "cjs",
    "packageManager": "npm@10.9.8",
    "runtime": "node@22.23.2"
  }
}
src/index.js
const { createVitest } = require('vitest/node');

/**
 * Runs Vitest programmatically against specified test files.
 * @param {string[]} files - Relative paths of test files to execute.
 * @param {object} [options] - Additional Vitest configuration options.
 * @returns {Promise<{ files: Array<object>, vitest: object }>}
 */
async function runVitestTests(files, options = {}) {
  const vitest = await createVitest('test', {
    watch: false,
    include: files,
    reporters: [['default', { summary: false }]],
    ...options
  });
  await vitest.start(files);
  const collectedFiles = vitest.state.getFiles();
  return { files: collectedFiles, vitest };
}

module.exports = {
  runVitestTests
};
test/contract.mjs
import assert from 'node:assert';
import { createRequire } from 'node:module';

const require = createRequire(import.meta.url);
const { runVitestTests } = require('../src/index.js');

// 1. Export verification
assert.strictEqual(typeof runVitestTests, 'function', 'runVitestTests must be exported as a function');

// 2. Execute test fixture containing it and its sub-methods
const testPath = 'test/fixtures/it.test.js';
const { files, vitest } = await runVitestTests([testPath]);

try {
  // 3. Verify file collection
  assert.strictEqual(files.length, 1, 'Should collect exactly one test file');
  const fileTask = files[0];
  assert.strictEqual(fileTask.result?.state, 'pass', 'Test file should pass execution');

  // 4. Verify basic it test: it registers and executes a test task with type 'test', mode 'run', and result state 'pass'
  const basicTest = fileTask.tasks.find(t => t.name === 'executes a basic test case asserting arithmetic equality');
  assert.ok(basicTest, 'Basic it test should exist');
  assert.strictEqual(basicTest.type, 'test', 'Basic test should have type test');
  assert.strictEqual(basicTest.mode, 'run', 'Basic test should have mode run');
  assert.strictEqual(basicTest.result?.state, 'pass', 'Basic test result state should be pass');

  // 5. Verify it.skip: it.skip marks a test task with mode 'skip' and skips test execution
  const skippedTest = fileTask.tasks.find(t => t.name === 'marks test as skipped without evaluating assertions');
  assert.ok(skippedTest, 'Skipped test should exist');
  assert.strictEqual(skippedTest.type, 'test', 'Skipped test should have type test');
  assert.strictEqual(skippedTest.mode, 'skip', 'Skipped test should have mode skip');
  assert.strictEqual(skippedTest.result?.state, undefined, 'Skipped test state should be undefined (not run)');

  // 6. Verify it.todo: it.todo marks a test task with mode 'todo' as an unexecuted pending placeholder
  const todoTest = fileTask.tasks.find(t => t.name === 'marks test as a pending placeholder task');
  assert.ok(todoTest, 'Todo test should exist');
  assert.strictEqual(todoTest.type, 'test', 'Todo test should have type test');
  assert.strictEqual(todoTest.mode, 'todo', 'Todo test should have mode todo');
  assert.strictEqual(todoTest.result?.state, undefined, 'Todo test state should be undefined (not run)');

  // 7. Verify it.fails: it.fails marks a test task with fails flag that passes when its assertion fails
  const failsTest = fileTask.tasks.find(t => t.name === 'expects test assertion to fail');
  assert.ok(failsTest, 'Fails test should exist');
  assert.strictEqual(failsTest.type, 'test', 'Fails test should have type test');
  assert.strictEqual(failsTest.mode, 'run', 'Fails test should have mode run');
  assert.strictEqual(failsTest.fails, true, 'Fails test should have fails flag set to true');
  assert.strictEqual(failsTest.result?.state, 'pass', 'Fails test result state should be pass when assertion fails');

  // 8. Verify it.each: it.each dynamically generates parameterized test tasks for each row in a test table
  const paramTests = fileTask.tasks.filter(t => t.name.startsWith('parameterized addition for'));
  assert.strictEqual(paramTests.length, 2, 'Should generate 2 parameterized test tasks from table');
  for (const test of paramTests) {
    assert.strictEqual(test.type, 'test', 'Parameterized task should have type test');
    assert.strictEqual(test.mode, 'run', 'Parameterized task should have mode run');
    assert.strictEqual(test.each, true, 'Parameterized task should have each flag set to true');
    assert.strictEqual(test.result?.state, 'pass', 'Parameterized test should pass');
  }

  // 9. Verify it.concurrent: it.concurrent marks test tasks with concurrent flag to run asynchronously in parallel
  const concurrentTests = fileTask.tasks.filter(t => t.name.startsWith('executes') && t.name.includes('concurrent task'));
  assert.strictEqual(concurrentTests.length, 2, 'Should find 2 concurrent test tasks');
  for (const test of concurrentTests) {
    assert.strictEqual(test.type, 'test', 'Concurrent test should have type test');
    assert.strictEqual(test.mode, 'run', 'Concurrent test should have mode run');
    assert.strictEqual(test.concurrent, true, 'Concurrent test should have concurrent flag set to true');
    assert.strictEqual(test.result?.state, 'pass', 'Concurrent test should pass');
  }

  // 10. Verify it.sequential: it.sequential configures test tasks to execute sequentially in order
  const sequentialTests = fileTask.tasks.filter(t => t.name.startsWith('executes') && t.name.includes('sequential task'));
  assert.strictEqual(sequentialTests.length, 2, 'Should find 2 sequential test tasks');
  for (const test of sequentialTests) {
    assert.strictEqual(test.type, 'test', 'Sequential test should have type test');
    assert.strictEqual(test.mode, 'run', 'Sequential test should have mode run');
    assert.strictEqual(test.result?.state, 'pass', 'Sequential test should pass');
  }

  console.log('Contract tests for vitest.it passed successfully.');
} finally {
  await vitest.close();
}
test/fixtures/it.test.js
import { it, expect } from 'vitest';

it('executes a basic test case asserting arithmetic equality', () => {
  expect(2 + 2).toBe(4);
});

it.skip('marks test as skipped without evaluating assertions', () => {
  expect(true).toBe(false);
});

it.todo('marks test as a pending placeholder task');

it.fails('expects test assertion to fail', () => {
  expect(1 + 1).toBe(3);
});

it.each([
  { a: 1, b: 2, sum: 3 },
  { a: 5, b: 5, sum: 10 }
])('parameterized addition for $a + $b = $sum', ({ a, b, sum }) => {
  expect(a + b).toBe(sum);
});

it.concurrent('executes first concurrent task asynchronously', async () => {
  await new Promise(resolve => setTimeout(resolve, 5));
  expect(true).toBe(true);
});

it.concurrent('executes second concurrent task asynchronously', async () => {
  await new Promise(resolve => setTimeout(resolve, 5));
  expect(true).toBe(true);
});

it.sequential('executes first sequential task in order', () => {
  expect(true).toBe(true);
});

it.sequential('executes second sequential task in order', () => {
  expect(true).toBe(true);
});

Исходный сидер

аноним