loopback-connector-remote/test/models.test.js

242 lines
8.4 KiB
JavaScript

// Copyright IBM Corp. 2016,2018. All Rights Reserved.
// Node module: loopback-connector-remote
// This file is licensed under the MIT License.
// License text available at https://opensource.org/licenses/MIT
'use strict';
const assert = require('assert');
const helper = require('./helper');
const loopback = require('loopback');
const TaskEmitter = require('strong-task-emitter');
describe('Model tests', function() {
let User;
beforeEach(function() {
const app = helper.createRestAppAndListen();
const db = helper.createMemoryDataSource(app);
User = app.registry.createModel({
name: 'user',
properties: helper.getUserProperties(),
options: {forceId: false},
});
app.model(User, {dataSource: db});
});
describe('Model.validatesPresenceOf(properties...)', function() {
it('should require a model to include a property to be considered valid',
function() {
User.validatesPresenceOf('first', 'last', 'age');
const joe = new User({first: 'joe'});
assert(joe.isValid() === false, 'model should not validate');
assert(joe.errors.last, 'should have a missing last error');
assert(joe.errors.age, 'should have a missing age error');
});
});
describe('Model.validatesLengthOf(property, options)', function() {
it('should require a property length to be within a specified range',
function() {
User.validatesLengthOf('password', {min: 5, message: {min:
'Password is too short'}});
const joe = new User({password: '1234'});
assert(joe.isValid() === false, 'model should not be valid');
assert(joe.errors.password, 'should have password error');
});
});
describe('Model.validatesInclusionOf(property, options)', function() {
it('should require a value for `property` to be in the specified array',
function() {
User.validatesInclusionOf('gender', {in: ['male', 'female']});
const foo = new User({gender: 'bar'});
assert(foo.isValid() === false, 'model should not be valid');
assert(foo.errors.gender, 'should have gender error');
});
});
describe('Model.validatesExclusionOf(property, options)', function() {
it('should require a value for `property` to not exist in the specified ' +
'array', function() {
User.validatesExclusionOf('domain', {in: ['www', 'billing', 'admin']});
const foo = new User({domain: 'www'});
const bar = new User({domain: 'billing'});
const bat = new User({domain: 'admin'});
assert(foo.isValid() === false);
assert(bar.isValid() === false);
assert(bat.isValid() === false);
assert(foo.errors.domain, 'model should have a domain error');
assert(bat.errors.domain, 'model should have a domain error');
assert(bat.errors.domain, 'model should have a domain error');
});
});
describe('Model.validatesNumericalityOf(property, options)', function() {
it('should require a value for `property` to be a specific type of ' +
'`Number`', function() {
User.validatesNumericalityOf('age', {int: true});
const joe = new User({age: 10.2});
assert(joe.isValid() === false);
const bob = new User({age: 0});
assert(bob.isValid() === true);
assert(joe.errors.age, 'model should have an age error');
});
});
describe('myModel.isValid()', function() {
it('should validate the model instance', function() {
User.validatesNumericalityOf('age', {int: true});
const user = new User({first: 'joe', age: 'flarg'});
const valid = user.isValid();
assert(valid === false);
assert(user.errors.age, 'model should have age error');
});
it('should validate the model asynchronously', function(done) {
User.validatesNumericalityOf('age', {int: true});
const user = new User({first: 'joe', age: 'flarg'});
user.isValid(function(valid) {
assert(valid === false);
assert(user.errors.age, 'model should have age error');
done();
});
});
});
describe('Model.create([data], [callback])', function() {
it('should create an instance and save to the attached data source',
function(done) {
User.create({first: 'Joe', last: 'Bob'}, function(err, user) {
if (err) return done(err);
assert(user instanceof User);
done();
});
});
});
describe('model.save([options], [callback])', function() {
it('should save an instance of a Model to the attached data source',
function(done) {
const joe = new User({first: 'Joe', last: 'Bob'});
joe.save(function(err, user) {
if (err) return done(err);
assert(user.id);
assert(!user.errors);
done();
});
});
});
describe('model.updateAttributes(data, [callback])', function() {
it('should save specified attributes to the attached data source',
function(done) {
User.create({first: 'joe', age: 100}, function(err, user) {
if (err) return done(err);
assert.equal(user.first, 'joe');
user.updateAttributes({
first: 'updatedFirst',
last: 'updatedLast',
}, function(err, updatedUser) {
if (err) return done(err);
assert.equal(updatedUser.first, 'updatedFirst');
assert.equal(updatedUser.last, 'updatedLast');
assert.equal(updatedUser.age, 100);
done();
});
});
});
});
describe('Model.upsert(data, callback)', function() {
it('should update when a record with id=data.id is found, insert otherwise',
function(done) {
User.upsert({first: 'joe', id: 7}, function(err, user) {
if (err) return done(err);
assert.equal(user.first, 'joe');
User.upsert({first: 'bob', id: 7}, function(err, updatedUser) {
if (err) return done(err);
assert.equal(updatedUser.first, 'bob');
done();
});
});
});
});
describe('model.destroy([callback])', function() {
it('should remove a model from the attached data source', function(done) {
User.create({first: 'joe', last: 'bob'}, function(err, user) {
if (err) return done(err);
User.findById(user.id, function(err, foundUser) {
if (err) return done(err);
assert.equal(user.id, foundUser.id);
foundUser.destroy(function(err) {
if (err) return done(err);
User.findById(user.id, function(err, notFound) {
if (err) return done(err);
assert.equal(notFound, null);
done();
});
});
});
});
});
});
describe('Model.deleteById(id, [callback])', function() {
it('should delete a model instance from the attached data source',
function(done) {
User.create({first: 'joe', last: 'bob'}, function(err, user) {
if (err) return done(err);
User.deleteById(user.id, function(err) {
if (err) return done(err);
User.findById(user.id, function(err, notFound) {
if (err) return done(err);
assert.equal(notFound, null);
done();
});
});
});
});
});
describe('Model.findById(id, callback)', function() {
it('should find an instance by id', function(done) {
User.create({first: 'michael', last: 'jordan', id: 23}, function(err) {
if (err) return done(err);
User.findById(23, function(err, user) {
if (err) return done(err);
assert(user, 'user should have been found');
assert.equal(user.id, 23);
assert.equal(user.first, 'michael');
assert.equal(user.last, 'jordan');
done();
});
});
});
});
describe('Model.count([query], callback)', function() {
it('should return the count of Model instances in data source',
function(done) {
const taskEmitter = new TaskEmitter();
taskEmitter
.task(User, 'create', {first: 'jill', age: 100})
.task(User, 'create', {first: 'bob', age: 200})
.task(User, 'create', {first: 'jan'})
.task(User, 'create', {first: 'sam'})
.task(User, 'create', {first: 'suzy'})
.on('done', function() {
User.count({age: {gt: 99}}, function(err, count) {
if (err) return done(err);
assert.equal(count, 2);
done();
});
});
});
});
});