ipld-garbage/esm/node-test.js

Garbage data generator for the IPLD Data Model

import { garbage } from './ipld-garbage.js';
import is from '@sindresorhus/is';
const expectedTypes = [
  'null',
  'boolean',
  'int',
  'float',
  'string',
  'Uint8Array',
  'Array',
  'Object',
  'CID'
];
const types = {};
const account = obj => {
  let type = is(obj);
  if (type === 'Object' && obj.asCID === obj) {
    type = 'CID';
  } else if (type === 'number') {
    type = Number.isInteger(obj) ? 'int' : 'float';
  }
  types[type] = (types[type] || 0) + 1;
  return type;
};
for (let i = 0; i < 1000; i++) {
  const obj = garbage();
  const type = account(obj);
  if (type === 'Object') {
    for (const value of Object.values(obj)) {
      account(value);
    }
  } else if (type === 'Array') {
    for (const value of obj) {
      account(value);
    }
  }
}
for (const type of expectedTypes) {
  if (!types[type]) {
    throw new Error(`Did not generate any ${ type } values`);
  }
  if (types[type] < 20) {
    throw new Error(`Did not generate enough ${ type } values`);
  }
}
for (const type of Object.keys(types)) {
  if (!expectedTypes.includes(type)) {
    throw new Error(`Got unexpected type ${ type }`);
  }
}
console.log('\x1B[32m\u2714\x1B[39m yep');