attributes.test.js
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'use strict';
const chai = require('chai'),
Sequelize = require('../../../index'),
Promise = Sequelize.Promise,
expect = chai.expect,
Support = require(__dirname + '/../support');
describe(Support.getTestDialectTeaser('Model'), () => {
describe('attributes', () => {
describe('set', () => {
it('should only be called once when used on a join model called with an association getter', function() {
const self = this;
self.callCount = 0;
this.Student = this.sequelize.define('student', {
no: {type: Sequelize.INTEGER, primaryKey: true},
name: Sequelize.STRING
}, {
tableName: 'student',
timestamps: false
});
this.Course = this.sequelize.define('course', {
no: {type: Sequelize.INTEGER, primaryKey: true},
name: Sequelize.STRING
}, {
tableName: 'course',
timestamps: false
});
this.Score = this.sequelize.define('score', {
score: Sequelize.INTEGER,
test_value: {
type: Sequelize.INTEGER,
set(v) {
self.callCount++;
this.setDataValue('test_value', v + 1);
}
}
}, {
tableName: 'score',
timestamps: false
});
this.Student.belongsToMany(this.Course, {through: this.Score, foreignKey: 'StudentId'});
this.Course.belongsToMany(this.Student, {through: this.Score, foreignKey: 'CourseId'});
return this.sequelize.sync({force: true}).then(() => {
return Promise.join(
self.Student.create({no: 1, name: 'ryan'}),
self.Course.create({no: 100, name: 'history'})
).spread((student, course) => {
return student.addCourse(course, { through: {score: 98, test_value: 1000}});
}).then(() => {
expect(self.callCount).to.equal(1);
return self.Score.find({ where: { StudentId: 1, CourseId: 100 } }).then(score => {
expect(score.test_value).to.equal(1001);
});
})
.then(() => {
return Promise.join(
self.Student.build({no: 1}).getCourses({where: {no: 100}}),
self.Score.find({ where: { StudentId: 1, CourseId: 100 } })
);
})
.spread((courses, score) => {
expect(score.test_value).to.equal(1001);
expect(courses[0].score.toJSON().test_value).to.equal(1001);
expect(self.callCount).to.equal(1);
});
});
});
it('allows for an attribute to be called "toString"', function () {
const Person = this.sequelize.define('person', {
name: Sequelize.STRING,
nick: Sequelize.STRING
}, {
timestamps: false
});
return this.sequelize.sync({force: true})
.then(() => Person.create({name: 'Jozef', nick: 'Joe'}))
.then(() => Person.findOne({
attributes: [
'nick',
['name', 'toString']
],
where: {
name: 'Jozef'
}
}))
.then(person => {
expect(person.dataValues['toString']).to.equal('Jozef');
expect(person.get('toString')).to.equal('Jozef');
});
});
it('allows for an attribute to be called "toString" with associations', function () {
const Person = this.sequelize.define('person', {
name: Sequelize.STRING,
nick: Sequelize.STRING
});
const Computer = this.sequelize.define('computer', {
hostname: Sequelize.STRING,
});
Person.hasMany(Computer);
return this.sequelize.sync({force: true})
.then(() => Person.create({name: 'Jozef', nick: 'Joe'}))
.then(person => person.createComputer({hostname: 'laptop'}))
.then(() => Person.findAll({
attributes: [
'nick',
['name', 'toString']
],
include: {
model: Computer
},
where: {
name: 'Jozef'
}
}))
.then(result => {
expect(result.length).to.equal(1);
expect(result[0].dataValues['toString']).to.equal('Jozef');
expect(result[0].get('toString')).to.equal('Jozef');
expect(result[0].get('computers')[0].hostname).to.equal('laptop');
});
});
});
});
});