sequelize.transaction.test.js
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var chai = require('chai')
, expect = chai.expect
, Support = require(__dirname + '/support')
, Transaction = require(__dirname + '/../lib/transaction')
describe(Support.getTestDialectTeaser("Sequelize#transaction"), function () {
describe('success', function() {
it("gets triggered once a transaction has been successfully committed", function(done) {
this
.sequelize
.transaction(function(t) { t.commit() })
.success(function() { done() })
})
it("gets triggered once a transaction has been successfully rollbacked", function(done) {
this
.sequelize
.transaction(function(t) { t.rollback() })
.success(function() { done() })
})
it('works for long running transactions', function(done) {
Support.prepareTransactionTest(this.sequelize, function(sequelize) {
var User = sequelize.define('User', {
name: Support.Sequelize.STRING
}, { timestamps: false })
sequelize.sync({ force: true }).success(function() {
sequelize
.transaction(function(t) {
var query = 'select sleep(2);'
switch(Support.getTestDialect()) {
case 'postgres':
query = 'select pg_sleep(2);'
break
case 'sqlite':
query = 'select sqlite3_sleep(2);'
break
default:
break
}
sequelize.query(query, null, {
raw: true,
plain: true,
transaction: t
}).done(function() {
var dao = User.build({ name: 'foo' })
// this.QueryGenerator.insertQuery(tableName, values, dao.daoFactory.rawAttributes)
query = sequelize
.getQueryInterface()
.QueryGenerator
.insertQuery(User.tableName, dao.values, User.rawAttributes)
setTimeout(function() {
sequelize.query(query, null, {
raw: true,
plain: true,
transaction: t
}).done(function(err, res) {
t.commit()
})
}, 2000)
})
})
.success(function() {
User.all().success(function(users) {
expect(users.length).to.equal(1)
expect(users[0].name).to.equal('foo')
done()
})
})
})
})
})
})
describe('error', function() {
if (Support.getTestDialect() === 'sqlite') {
// not sure if we can test this in sqlite ...
// how could we enforce an authentication error in sqlite?
} else {
it("gets triggered once an error occurs", function(done) {
var sequelize = Support.createSequelizeInstance({ dialect: Support.getTestDialect() })
// lets overwrite the host to get an error
sequelize.config.username = 'foobarbaz'
sequelize
.transaction(function() {})
.error(function(err) {
expect(err).to.not.be.undefined
done()
})
})
}
})
describe('callback', function() {
it("receives the transaction if only one argument is passed", function(done) {
this.sequelize.transaction(function(t) {
expect(t).to.be.instanceOf(Transaction)
t.commit()
}).done(done)
})
it("receives an error and the transaction if two arguments are passed", function(done) {
this.sequelize.transaction(function(err, t) {
expect(err).to.not.be.instanceOf(Transaction)
expect(t).to.be.instanceOf(Transaction)
t.commit()
}).done(done)
})
})
})