transactions-mongoose
Version:
Transactions for mongoose
205 lines (161 loc) • 7.55 kB
JavaScript
/*
* =========================================================
* 🇺🇦🇺🇦🇺🇦🇺🇦🇺🇦🇺🇦🇺🇦 Mongoose Transactions 🇺🇦🇺🇦🇺🇦🇺🇦🇺🇦🇺🇦🇺🇦
* =========================================================
* Copyright (c) 2019-2023
* @Author: 🇺🇦Rosbitskyy Ruslan
* @email: rosbitskyy@gmail.com
*/
const Person = require("./models/Person");
const {Transaction} = require("../src");
const personHelper = require('./personHelper');
const {describe, it} = require("node:test");
const {strict: assert} = require("node:assert");
const {startServer, stopServer} = require("./___mongo");
(async () => {
await startServer(true)
const transaction = new Transaction().setSendbox(false);
const persons = await personHelper.createNewPersons(false)
describe('Transaction Session work', () => {
it('Replica Set', () => {
assert.strictEqual(transaction.isReplicaSet, true);
})
it(persons.Sancho.firstname + ' created', () => {
assert.strictEqual(transaction.isDocument(persons.Sancho), true);
})
it(persons.Janna.firstname + ' created', () => {
assert.strictEqual(transaction.isDocument(persons.Sancho), true);
})
it(persons.Hulio.firstname + ' created', () => {
assert.strictEqual(transaction.isDocument(persons.Sancho), true);
})
})
let personSancho = await Person.findById(persons.Sancho._id); // test Sancho exists?
let personJanna = await Person.findById(persons.Janna._id);
let personHulio = await Person.findById(persons.Hulio._id);
const showPersonsAge = async () => {
// let's check that nothing has changed?
const Sancho = await Person.findById(persons.Sancho._id).select('-_id age')
const Janna = await Person.findById(persons.Janna._id).select('-_id age')
const Hulio = await Person.findById(persons.Hulio._id).select('-_id age')
describe('Transaction Session fail', () => {
it('Sancho age is 22', () => {
assert.strictEqual(Sancho.age, 22);
});
it('Janna age is 21', () => {
assert.strictEqual(Janna.age, 21);
});
it('Hulio age is 35', () => {
assert.strictEqual(Hulio.age, 35);
})
})
}
// Error in code
try {
transaction.session(async (session) => {
personSancho.age = 100; // <-- let's try to make it more mature
await personSancho.save({session})
personJanna.age = 100; // <-- let's try to make it more mature too
await personJanna.save({session})
personHulio.age = 100; // <-- let's try to make it more mature too
await personHulio.save({session})
throw new Error('Test an error - or remark me') // No changes will be saved
return personJanna
});
await transaction.commit();
} catch (e) {
// console.log(e, '\nPassed!!')
}
await showPersonsAge();
// Error in Person age - validate error
try {
transaction.session(async (session) => {
let personSancho = await Person.findById(persons.Sancho._id).session(session); // test Sancho exists?
let personJanna = await Person.findById(persons.Janna._id).session(session);
let personHulio = await Person.findById(persons.Hulio._id).session(session);
personSancho.age = 100; // <-- let's try to make it more mature
await personSancho.save({session})
personJanna.age = 100; // <-- let's try to make it more mature too
await personJanna.save({session}) // try test without {session}
personHulio.age = 300; // <-- Error validate
personHulio.status = '???'; // <-- Error validate
await personHulio.save({session})
const person = new Person({
firstname: 'Pedro',
lastname: 'Failed',
age: 33,
sex: 'male',
status: 'free'
})
await person.save({session}) // will not be created
return personJanna
});
await transaction.commit();
} catch (e) {
// console.log(e, '\nPassed!!')
}
await showPersonsAge();
// with error
// Reload document with/without session, save with/without
try {
transaction.session(async (session) => {
let personSancho = await Person.findById(persons.Sancho._id).session(session); // test Sancho exists?
let personJanna = await Person.findById(persons.Janna._id).session(session);
let personHulio = await Person.findById(persons.Hulio._id); // no session
personSancho.age = 100; // <-- let's try to make it more mature
await personSancho.save()
personJanna.age = 100; // <-- let's try to make it more mature too
await personJanna.save() // save without {session}, reload with session
personHulio.age = 100; // <-- let's try to make it more mature too
await personHulio.save({session}) // <-- session
const person = new Person({
firstname: 'Pedro',
lastname: 'Failed',
age: 33,
sex: 'male',
status: 'free'
})
await person.save({session}) // will not be created
throw new Error('Test an error - or remark me') // No changes will be saved
});
await transaction.commit();
} catch (e) {
// console.log(e, '\nPassed!!')
}
await showPersonsAge()
// no error
// Reload document with/without session, save with/without
transaction.session(async (session) => {
let personSancho = await Person.findById(persons.Sancho._id); // reload without session
let personJanna = await Person.findById(persons.Janna._id).session(session); // reload with session
let personHulio = await Person.findById(persons.Hulio._id); // reload without session
personSancho.age = 100; // <-- let's try to make it more mature
await personSancho.save({session}) // <-- session
personJanna.age = 99; // <-- let's try to make it more mature too
await personJanna.save() // save without {session}, reload with session
personJanna.age = 100; // <-- let's try to make it more mature too
await personJanna.save({session}) // save without {session}, reload with session
personHulio.age = 100; // <-- let's try to make it more mature too
await personHulio.save({session}) // <-- session
const person = new Person({
firstname: 'Pedro',
lastname: 'Okay',
age: 33,
sex: 'male',
status: 'free'
})
await person.save({session}) // will be created
});
await transaction.commit();
const list100 = await Person.find({age: 100}, {firstname: 1, age: 1})
const pedro = await Person.findOne({firstname: 'Pedro'})
describe('Transaction Session - Replica Set', () => {
it('Reload document with/without session, save with/without', () => {
assert.strictEqual(list100.filter(it => it.age === 100).length, 3);
})
it('new Pedro document stored', () => {
assert.strictEqual(pedro.age, 33);
})
})
await stopServer()
})();