add-remove-association.js
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var assert = require("assert")
, config = require("./../config")
, Sequelize = require("./../../index")
, sequelize = new Sequelize(config.database, config.username, config.password, {logging: false, define: { charset: 'latin1' }})
var initialize = function(options, callback) {
options = options || {}
options.taskCount = options.taskCount || 1
options.userCount = options.userCount || 1
var num = config.rand()
, User = sequelize.define('User' + num, { name: Sequelize.STRING })
, Task = sequelize.define('Task' + num, { name: Sequelize.STRING })
, chainer = new Sequelize.Utils.QueryChainer
User.hasMany(Task, {as:'Tasks'})
Task.hasMany(User, {as:'Users'})
sequelize.sync({force: true}).on('success', function() {
for(var i = 0; i < options.taskCount; i++)
chainer.add(Task.create({name: 'task'+i}))
for(var i = 0; i < options.userCount; i++)
chainer.add(User.create({name: 'user'+i}))
chainer.run().on('success', function() {
callback(Task, User)
})
})
}
module.exports = {
'it should correctly add an association to the model': function(exit) {
initialize({taskCount:5, userCount:2}, function(Task, User) {
User.all.on('success', function(users) {
Task.all.on('success', function(tasks) {
var user = users[0]
user.getTasks().on('success', function(_tasks) {
assert.eql(_tasks.length, 0)
user.addTask(tasks[0]).on('success', function() {
user.getTasks().on('success', function(_tasks) {
assert.eql(_tasks.length, 1)
exit(function(){})
})
})
})
})
})
})
},
'it should correctly remove associated objects': function(exit) {
initialize({taskCount:5, userCount:2}, function(Task, User) {
User.all.on('success', function(users) {
Task.all.on('success', function(tasks) {
var user = users[0]
user.getTasks().on('success', function(_tasks) {
assert.eql(_tasks.length, 0)
user.setTasks(tasks).on('success', function() {
user.getTasks().on('success', function(_tasks) {
assert.eql(_tasks.length, tasks.length)
user.removeTask(tasks[0]).on('success', function() {
user.getTasks().on('success', function(_tasks) {
assert.eql(_tasks.length, tasks.length - 1)
exit(function(){})
})
})
})
})
})
})
})
})
}
}