has-one.spec.js
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var config = require("../config/config")
, Sequelize = require("../../index")
, sequelize = new Sequelize(config.mysql.database, config.mysql.username, config.mysql.password, { logging: false })
, Helpers = new (require("../config/helpers"))(sequelize)
describe('HasOne', function() {
var User = null
, Task = null
var setup = function() {
User = sequelize.define('User', { username: Sequelize.STRING })
Task = sequelize.define('Task', { title: Sequelize.STRING })
}
beforeEach(function() { Helpers.dropAllTables(); setup() })
afterEach(function() { Helpers.dropAllTables() })
it("adds the foreign key", function() {
User.hasOne(Task)
expect(Task.attributes.UserId).toEqual("INTEGER")
})
it("adds an underscored foreign key", function() {
User = sequelize.define('User', { username: Sequelize.STRING }, {underscored: true})
Task = sequelize.define('Task', { title: Sequelize.STRING })
User.hasOne(Task)
expect(Task.attributes.user_id).toEqual("INTEGER")
})
it("uses the passed foreign key", function() {
User = sequelize.define('User', { username: Sequelize.STRING }, {underscored: true})
Task = sequelize.define('Task', { title: Sequelize.STRING })
User.hasOne(Task, {foreignKey: 'person_id'})
expect(Task.attributes.person_id).toEqual("INTEGER")
})
it("defines the getter and the setter", function() {
User.hasOne(Task)
var u = User.build({username: 'asd'})
expect(u.setTask).toBeDefined()
expect(u.getTask).toBeDefined()
})
it("defined the getter and the setter according to the passed 'as' option", function() {
User.hasOne(Task, {as: 'Work'})
var u = User.build({username: 'asd'})
expect(u.setWork).toBeDefined()
expect(u.getWork).toBeDefined()
})
it("aliases associations to the same table according to the passed 'as' option", function() {
User.hasOne(Task, {as: 'Work'});
User.hasOne(Task, {as: 'Play'});
var u = User.build({username: 'asd'})
expect(u.getWork).toBeDefined()
expect(u.setWork).toBeDefined()
expect(u.getPlay).toBeDefined()
expect(u.setPlay).toBeDefined()
})
it("gets and sets the correct objects", function() {
var user, task;
User.hasOne(Task, {as: 'Task'})
Helpers.async(function(done) {
User.sync({force: true}).success(function() {
Task.sync({force: true}).success(function() {
User.create({username: 'name'}).success(function(_user) {
Task.create({title: 'snafu'}).success(function(_task) {
user = _user
task = _task
done()
})
})
})
})
})
Helpers.async(function(done) {
user.setTask(task).on('success', function() {
user.getTask().on('success', function(task2) {
expect(task.title).toEqual(task2.title)
user.getTask({attributes: ['title']}).on('success', function(task2) {
expect(task2.selectedValues.title).toEqual('snafu')
expect(task2.selectedValues.id).toEqual(null)
done()
})
})
})
})
})
it("unsets unassociated objects", function() {
var user, task1, task2;
User.hasOne(Task, {as: 'Task'})
Helpers.async(function(done) {
User.sync({force: true}).success(function() {
Task.sync({force: true}).success(function() {
User.create({username: 'name'}).success(function(_user) {
Task.create({title: 'snafu'}).success(function(_task1) {
Task.create({title: 'another task'}).success(function(_task2) {
user = _user
task1 = _task1
task2 = _task2
done()
})
})
})
})
})
})
Helpers.async(function(done) {
user.setTask(task1).success(function() {
user.getTask().success(function(_task) {
expect(task1.title).toEqual(_task.title)
user.setTask(task2).success(function() {
user.getTask().success(function(_task2) {
expect(task2.title).toEqual(task2.title)
done()
})
})
})
})
})
})
it("sets self associations", function() {
Helpers.async(function(done) {
var Person = sequelize.define('Person', { name: Sequelize.STRING })
Person.hasOne(Person, {as: 'Mother', foreignKey: 'MotherId'})
Person.hasOne(Person, {as: 'Father', foreignKey: 'FatherId'})
Person.sync({force: true}).success(function() {
var p = Person.build()
expect(p.setFather).toBeDefined()
expect(p.setMother).toBeDefined()
done()
})
})
})
it("automatically sets the foreign key on self associations", function() {
var Person = sequelize.define('Person', { name: Sequelize.STRING })
Person.hasOne(Person, {as: 'Mother'})
expect(Person.associations.MotherPersons.options.foreignKey).toEqual('MotherId')
})
})