belongs-to.test.js
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/* jshint camelcase: false, expr: true */
var chai = require('chai')
, expect = chai.expect
, Support = require(__dirname + '/../support')
, DataTypes = require(__dirname + "/../../lib/data-types")
chai.Assertion.includeStack = true
describe(Support.getTestDialectTeaser("BelongsTo"), function() {
describe("Model.associations", function () {
it("should store all assocations when associting to the same table multiple times", function () {
var User = this.sequelize.define('User', {})
, Group = this.sequelize.define('Group', {})
Group.belongsTo(User)
Group.belongsTo(User, { foreignKey: 'primaryGroupId', as: 'primaryUsers' })
Group.belongsTo(User, { foreignKey: 'secondaryGroupId', as: 'secondaryUsers' })
expect(Object.keys(Group.associations)).to.deep.equal(['Users', 'primaryUsers', 'secondaryUsers'])
})
})
describe('setAssociation', function() {
it('can set the association with declared primary keys...', function(done) {
var User = this.sequelize.define('UserXYZ', { user_id: {type: DataTypes.INTEGER, primaryKey: true }, username: DataTypes.STRING })
, Task = this.sequelize.define('TaskXYZ', { task_id: {type: DataTypes.INTEGER, primaryKey: true }, title: DataTypes.STRING })
Task.belongsTo(User, { foreignKey: 'user_id' })
this.sequelize.sync({ force: true }).success(function() {
User.create({ user_id: 1, username: 'foo' }).success(function(user) {
Task.create({ task_id: 1, title: 'task' }).success(function(task) {
task.setUserXYZ(user).success(function() {
task.getUserXYZ().success(function(user) {
expect(user).not.to.be.null
task.setUserXYZ(null).success(function() {
task.getUserXYZ().success(function(user) {
expect(user).to.be.null
done()
})
})
})
})
})
})
})
})
it('clears the association if null is passed', function(done) {
var User = this.sequelize.define('UserXYZ', { username: DataTypes.STRING })
, Task = this.sequelize.define('TaskXYZ', { title: DataTypes.STRING })
Task.belongsTo(User)
this.sequelize.sync({ force: true }).success(function() {
User.create({ username: 'foo' }).success(function(user) {
Task.create({ title: 'task' }).success(function(task) {
task.setUserXYZ(user).success(function() {
task.getUserXYZ().success(function(user) {
expect(user).not.to.be.null
task.setUserXYZ(null).success(function() {
task.getUserXYZ().success(function(user) {
expect(user).to.be.null
done()
})
})
})
})
})
})
})
})
})
describe("Foreign key constraints", function() {
it("are not enabled by default", function(done) {
var Task = this.sequelize.define('Task', { title: DataTypes.STRING })
, User = this.sequelize.define('User', { username: DataTypes.STRING })
Task.belongsTo(User)
this.sequelize.sync({ force: true }).success(function() {
User.create({ username: 'foo' }).success(function(user) {
Task.create({ title: 'task' }).success(function(task) {
task.setUser(user).success(function() {
user.destroy().success(function() {
Task.findAll().success(function(tasks) {
expect(tasks).to.have.length(1)
done()
})
})
})
})
})
})
})
it("can cascade deletes", function(done) {
var Task = this.sequelize.define('Task', { title: DataTypes.STRING })
, User = this.sequelize.define('User', { username: DataTypes.STRING })
Task.belongsTo(User, {onDelete: 'cascade'})
this.sequelize.sync({ force: true }).success(function() {
User.create({ username: 'foo' }).success(function(user) {
Task.create({ title: 'task' }).success(function(task) {
task.setUser(user).success(function() {
user.destroy().success(function() {
Task.findAll().success(function(tasks) {
expect(tasks).to.have.length(0)
done()
})
})
})
})
})
})
})
it("can restrict deletes", function(done) {
var Task = this.sequelize.define('Task', { title: DataTypes.STRING })
, User = this.sequelize.define('User', { username: DataTypes.STRING })
Task.belongsTo(User, {onDelete: 'restrict'})
this.sequelize.sync({ force: true }).success(function() {
User.create({ username: 'foo' }).success(function(user) {
Task.create({ title: 'task' }).success(function(task) {
task.setUser(user).success(function() {
user.destroy().error(function() {
// Should fail due to FK restriction
Task.findAll().success(function(tasks) {
expect(tasks).to.have.length(1)
done()
})
})
})
})
})
})
})
it("can cascade updates", function(done) {
var Task = this.sequelize.define('Task', { title: DataTypes.STRING })
, User = this.sequelize.define('User', { username: DataTypes.STRING })
Task.belongsTo(User, {onUpdate: 'cascade'})
this.sequelize.sync({ force: true }).success(function() {
User.create({ username: 'foo' }).success(function(user) {
Task.create({ title: 'task' }).success(function(task) {
task.setUser(user).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() {
Task.findAll().success(function(tasks) {
expect(tasks).to.have.length(1)
expect(tasks[0].UserId).to.equal(999)
done()
})
})
})
})
})
})
})
it("can restrict updates", function(done) {
var Task = this.sequelize.define('Task', { title: DataTypes.STRING })
, User = this.sequelize.define('User', { username: DataTypes.STRING })
Task.belongsTo(User, {onUpdate: 'restrict'})
this.sequelize.sync({ force: true }).success(function() {
User.create({ username: 'foo' }).success(function(user) {
Task.create({ title: 'task' }).success(function(task) {
task.setUser(user).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() {
// Should fail due to FK restriction
Task.findAll().success(function(tasks) {
expect(tasks).to.have.length(1)
done()
})
})
})
})
})
})
})
})
describe("Association column", function() {
it('has correct type for non-id primary keys with non-integer type', function(done) {
var User = this.sequelize.define('UserPKBT', {
username: {
type: DataTypes.STRING
}
})
, self = this
var Group = this.sequelize.define('GroupPKBT', {
name: {
type: DataTypes.STRING,
primaryKey: true
}
})
User.belongsTo(Group)
self.sequelize.sync({ force: true }).success(function() {
expect(User.rawAttributes.GroupPKBTId.type.toString()).to.equal(DataTypes.STRING.toString())
done()
})
})
})
describe("Association options", function() {
it('can specify data type for autogenerated relational keys', function(done) {
var User = this.sequelize.define('UserXYZ', { username: DataTypes.STRING })
, dataTypes = [DataTypes.INTEGER, DataTypes.BIGINT, DataTypes.STRING]
, self = this
, Tasks = {}
dataTypes.forEach(function(dataType) {
var tableName = 'TaskXYZ_' + dataType.toString()
Tasks[dataType] = self.sequelize.define(tableName, { title: DataTypes.STRING })
Tasks[dataType].belongsTo(User, { foreignKey: 'userId', keyType: dataType })
})
self.sequelize.sync({ force: true })
.success(function() {
dataTypes.forEach(function(dataType, i) {
expect(Tasks[dataType].rawAttributes.userId.type.toString())
.to.equal(dataType.toString())
if ((i+1) === dataTypes.length) {
done()
}
})
})
})
})
})