changed.test.js
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'use strict';
const chai = require('chai'),
expect = chai.expect,
Support = require('../support'),
DataTypes = require('../../../lib/data-types'),
current = Support.sequelize;
describe(Support.getTestDialectTeaser('Instance'), () => {
describe('changed', () => {
beforeEach(function() {
this.User = current.define('User', {
name: DataTypes.STRING,
birthday: DataTypes.DATE,
yoj: DataTypes.DATEONLY,
meta: DataTypes.JSON
});
});
it('should return true for changed primitive', function() {
const user = this.User.build({
name: 'a'
}, {
isNewRecord: false,
raw: true
});
expect(user.changed('meta')).to.equal(false);
user.set('name', 'b');
user.set('meta', null);
expect(user.changed('name')).to.equal(true);
expect(user.changed('meta')).to.equal(true);
});
it('should return falsy for unchanged primitive', function() {
const user = this.User.build({
name: 'a',
meta: null
}, {
isNewRecord: false,
raw: true
});
user.set('name', 'a');
user.set('meta', null);
expect(user.changed('name')).to.equal(false);
expect(user.changed('meta')).to.equal(false);
});
it('should return true for multiple changed values', function() {
const user = this.User.build({
name: 'a',
birthday: new Date(new Date() - 10)
}, {
isNewRecord: false,
raw: true
});
user.set('name', 'b');
user.set('birthday', new Date());
expect(user.changed('name')).to.equal(true);
expect(user.changed('birthday')).to.equal(true);
});
it('should return false for two instances with same value', function() {
const milliseconds = 1436921941088;
const firstDate = new Date(milliseconds);
const secondDate = new Date(milliseconds);
const user = this.User.build({
birthday: firstDate
}, {
isNewRecord: false,
raw: true
});
user.set('birthday', secondDate);
expect(user.changed('birthday')).to.equal(false);
});
it('should return true for changed JSON with same object', function() {
const user = this.User.build({
meta: {
city: 'Copenhagen'
}
}, {
isNewRecord: false,
raw: true
});
const meta = user.get('meta');
meta.city = 'Stockholm';
user.set('meta', meta);
expect(user.changed('meta')).to.equal(true);
});
it('should return true for JSON dot.separated key with changed values', function() {
const user = this.User.build({
meta: {
city: 'Stockholm'
}
}, {
isNewRecord: false,
raw: true
});
user.set('meta.city', 'Gothenburg');
expect(user.changed('meta')).to.equal(true);
});
it('should return false for JSON dot.separated key with same value', function() {
const user = this.User.build({
meta: {
city: 'Gothenburg'
}
}, {
isNewRecord: false,
raw: true
});
user.set('meta.city', 'Gothenburg');
expect(user.changed('meta')).to.equal(false);
});
it('should return true for JSON dot.separated key with object', function() {
const user = this.User.build({
meta: {
address: { street: 'Main street', number: '40' }
}
}, {
isNewRecord: false,
raw: true
});
user.set('meta.address', { street: 'Second street', number: '1' } );
expect(user.changed('meta')).to.equal(true);
});
it('should return false for JSON dot.separated key with same object', function() {
const user = this.User.build({
meta: {
address: { street: 'Main street', number: '40' }
}
}, {
isNewRecord: false,
raw: true
});
user.set('meta.address', { street: 'Main street', number: '40' } );
expect(user.changed('meta')).to.equal(false);
});
it('should return false when changed from null to null', function() {
const attributes = {};
for (const attr in this.User.rawAttributes) {
attributes[attr] = null;
}
const user = this.User.build(attributes, {
isNewRecord: false,
raw: true
});
for (const attr in this.User.rawAttributes) {
user.set(attr, null);
}
for (const attr in this.User.rawAttributes) {
expect(user.changed(attr), `${attr} is not changed`).to.equal(false);
}
});
describe('setDataValue', () => {
it('should return falsy for unchanged primitive', function() {
const user = this.User.build({
name: 'a',
meta: null
}, {
isNewRecord: false,
raw: true
});
user.setDataValue('name', 'a');
user.setDataValue('meta', null);
expect(user.changed('name')).to.equal(false);
expect(user.changed('meta')).to.equal(false);
});
});
});
});