oplog changes mongo 5

mongo-oplog-converter-tests.js

import { oplogV2V1Converter } from './oplog_v2_converter';

Tinytest.only('oplog - v2/v1 conversion', function(test) {
  const entry1 = {
    $v: 2,
    diff: { scustom: { sEJSON$value: { u: { EJSONtail: 'd' } } } },
  };
  const entry2 = {
    $v: 2,
    diff: { u: { d: '2', oi: 'asdas' } },
  };
  //set inside an array
  const entry3 = { $v: 2, diff: { sasd: { a: true, u0: 2 } } };
  //unset inside an array
  const entry4 = { $v: 2, diff: { sasd: { a: true, u0: null } } };

  //set a new nested field inside an object
  const entry5 = {
    $v: 2,
    diff: { i: { a: { b: 2 } } },
  };

  //set an existing nested field inside an object
  const entry6 = {
    $v: 2,
    diff: { sa: { i: { b: 3, c: 1 } } },
  };

  //unset an existing nested field inside an object
  const entry7 = {
    $v: 2,
    diff: { sa: { d: { b: false } } },
  };

  test.equal(oplogV2V1Converter(entry1), {
    $v: 2,
    $set: { 'custom.EJSON$value.EJSONtail': 'd' },
  });
  test.equal(oplogV2V1Converter(entry2), {
    $v: 2,
    $set: { d: '2', oi: 'asdas' },
  });
  test.equal(oplogV2V1Converter(entry3), { $v: 2, $set: { 'asd.0': 2 } });
  test.equal(oplogV2V1Converter(entry4), { $v: 2, $unset: { 'asd.0': true } });
  test.equal(oplogV2V1Converter(entry5), { $v: 2, $set: { 'a.b': 2 } });
  test.equal(oplogV2V1Converter(entry6), {
    $v: 2,
    $set: { 'a.b': 3, 'a.c': 1 },
  });
  test.equal(oplogV2V1Converter(entry7), { $v: 2, $unset: { 'a.b': true } });
});