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sequelize-mocking
Advanced tools
Sequelize extension to deal with data-mocking for testing
And you have to declare in your package.json the expected sequelize version
It will use the sqlite database for mocked database, will recreate it for database.
Can be integrated with Mocha and Jasmine.
A sample of use:
/**
* Test around the @{UserService}
*
* @module test/user/service
*/
'use strict';
const chai = require('chai');
const sinon = require('sinon');
const path = require('path');
const sequelizeMockingMocha = require('sequelize-mocking').sequelizeMockingMocha;
describe('User - UserService (using sequelizeMockingMocha) - ', function () {
const Database = require('../../lib/database');
const UserService = require('../../lib/user/service');
const UserModel = require('../../lib/user/model');
// Basic configuration: create a sinon sandbox for testing
let sandbox = null;
beforeEach(function () {
sandbox = sinon.sandbox.create();
});
afterEach(function () {
sandbox && sandbox.restore();
});
// Load fake data for the users
sequelizeMockingMocha(
Database.getInstance(),
path.resolve(path.join(__dirname, './fake-users-database.json')),
/* Or load array of files
[
path.resolve(path.join(__dirname, './fake-users-database.json')),
path.resolve(path.join(__dirname, './fake-candy-database.json')),
]
*/
{ 'logging': false }
);
it('the service shall exist', function () {
chai.expect(UserService).to.exist;
});
describe('and the method findAll shall ', function () {
it('exist', function () {
chai.expect(UserService.findAll).to.exist;
});
it('shall returns an array of user', function () {
return UserService
.findAll()
.then(function (users) {
chai.expect(users).deep.equals([{
'id': 1,
'firstName': 'John',
'lastName': 'Doe',
'age': 25,
'description': null
}]);
});
});
});
describe('and the method find shall ', function () {
it('exist', function () {
chai.expect(UserService.find).to.exist;
});
it('shall return a user if we can', function () {
let findByIdSpy = sandbox.spy(UserModel, 'findById');
return UserService
.find(1)
.then(function (user) {
chai.expect(findByIdSpy.called).to.be.true;
chai.expect(findByIdSpy.calledOnce).to.be.true;
chai.expect(findByIdSpy.calledWith(1)).to.be.true;
chai.expect(user).deep.equals({
'id': 1,
'firstName': 'John',
'lastName': 'Doe',
'age': 25,
'description': null
});
});
});
it('shall return null if not found', function () {
return UserService
.find(-1)
.then(function (user) {
chai.expect(user).to.be.null;
});
});
});
});
And the mocked data from the JSON file:
[
{
"model": "user",
"data": {
"id": 1,
"firstName": "John",
"lastName": "Doe",
"age": 25,
"description": null
}
}
]
FAQs
A Sequelize extension to deal with mocking for tests
We found that sequelize-mocking demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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