foreign-keys.spec.js
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/* jshint camelcase: false */
var buster = require("buster")
, Helpers = require('../buster-helpers')
, Sequelize = require('../../index')
, DataTypes = require(__dirname + "/../../lib/data-types")
, dialect = Helpers.getTestDialect()
buster.spec.expose()
buster.testRunner.timeout = 1000
describe(Helpers.getTestDialectTeaser("ForeignKeys"), function() {
var sequelize = Helpers.createSequelizeInstance({dialect: dialect})
before(function(done) {
var self = this
self.sequelize = Object.create(sequelize)
Helpers.clearDatabase(this.sequelize, done)
})
afterAll(function(done) {
Helpers.clearDatabase(sequelize, done)
})
describe("Foreign key constraints", function() {
it("are not enabled by default", function(done) {
var self = Object.create(this.sequelize)
, Task = self.define('Task1', { title: Sequelize.STRING })
, User = self.define('User1', { username: Sequelize.STRING })
User.hasMany(Task)
User.sync({ force: true }).success(function() {
Task.sync({ force: true }).success(function() {
User.create({ username: 'foo' }).success(function(user) {
Task.create({ title: 'task' }).success(function(task) {
user.setTask1s([task]).success(function() {
user.destroy().success(function() {
Task.findAll().success(function(tasks) {
expect(tasks.length).toEqual(1)
done()
})
})
})
})
})
})
})
})
it("can cascade deletes", function(done) {
var self = Object.create(this.sequelize)
, Task = self.define('Task2', { title: DataTypes.STRING })
, User = self.define('User2', { username: DataTypes.STRING })
User.hasMany(Task, {onDelete: 'cascade'})
User.sync({ force: true }).success(function() {
Task.sync({ force: true }).success(function() {
User.create({ username: 'foo' }).success(function(user) {
Task.create({ title: 'task' }).success(function(task) {
user.setTask2s([task]).success(function() {
user.destroy()
.error(function(err) {
expect(false).toEqual('This shouldn\'t error.')
done()
})
.success(function() {
Task.all({where: {User2Id: user.id}}).success(function(tasks) {
expect(tasks.length).toEqual(0)
done()
})
})
})
})
})
})
})
})
it("can restrict deletes", function(done) {
var self = Object.create(this.sequelize)
, Task = self.define('Task3', { title: DataTypes.STRING })
, User = self.define('User3', { username: DataTypes.STRING })
User.hasMany(Task, {onDelete: 'restrict'})
User.sync({ force: true }).success(function() {
Task.sync({ force: true }).success(function() {
User.create({ username: 'foo' }).success(function(user) {
Task.create({ title: 'task' }).success(function(task) {
user.setTask3s([task]).success(function() {
user.destroy()
.success(function(success) {
expect(false).toEqual('This shouldn\'t succeed.')
done()
})
.error(function(err) {
// Should fail due to FK restriction
Task.all().success(function(tasks) {
expect(tasks.length).toEqual(1)
done()
})
})
})
})
})
})
})
})
it("can cascade updates", function(done) {
var self = Object.create(this.sequelize)
, Task = self.define('Task4', { title: DataTypes.STRING })
, User = self.define('User4', { username: DataTypes.STRING })
User.hasMany(Task, {onUpdate: 'cascade'})
User.sync({ force: true }).success(function() {
Task.sync({ force: true }).success(function() {
User.create({ username: 'foo' }).success(function(user) {
Task.create({ title: 'task' }).success(function(task) {
user.setTask4s([task]).success(function() {
// Changing the id of a DAO requires a little dance since
// the `UPDATE` query generated by `save()` uses `id` in the
// `WHERE` clause
var tableName = user.QueryInterface.QueryGenerator.addSchema(user.__factory)
user.QueryInterface.update(user, tableName, {id: 999}, user.id)
.error(function() {
expect(false).toEqual('This shouldn\'t error.')
done()
})
.success(function() {
Task.all().success(function(tasks) {
expect(tasks.length).toEqual(1)
expect(tasks[0].User4Id).toEqual(999)
done()
})
})
})
})
})
})
})
})
it("can restrict updates", function(done) {
var self = Object.create(this.sequelize)
, Task = self.define('Task5', { title: DataTypes.STRING })
, User = self.define('User5', { username: DataTypes.STRING })
User.hasMany(Task, {onUpdate: 'restrict'})
User.sync({ force: true }).success(function() {
Task.sync({ force: true }).success(function() {
User.create({ username: 'foo' }).success(function(user) {
Task.create({ title: 'task' }).success(function(task) {
user.setTask5s([task]).success(function() {
// Changing the id of a DAO requires a little dance since
// the `UPDATE` query generated by `save()` uses `id` in the
// `WHERE` clause
var tableName = user.QueryInterface.QueryGenerator.addSchema(user.__factory)
user.QueryInterface.update(user, tableName, {id: 999}, user.id)
.success(function() {
expect(false).toEqual('You shouldn\'t reach this.')
done()
})
.error(function() {
// Should fail due to FK restriction
Task.all().success(function(tasks) {
expect(tasks.length).toEqual(1)
done()
})
})
})
})
})
})
})
})
})
})