migrator.spec.js
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var config = require("./config/config")
, Sequelize = require("../index")
, sequelize = new Sequelize(config.database, config.username, config.password, { logging: false })
, Helpers = new (require("./config/helpers"))(sequelize)
, Migrator = require("../lib/migrator")
, _ = Sequelize.Utils._
describe('Migrator', function() {
var migrator = null
, SequelizeMeta = null
var setup = function(_options) {
Helpers.async(function(done) {
var options = Sequelize.Utils._.extend({
path: __dirname + '/assets/migrations'
}, _options || {})
migrator = new Migrator(sequelize, options)
migrator.findOrCreateSequelizeMetaModel({ force: true }).success(function(_SequelizeMeta) {
SequelizeMeta = _SequelizeMeta
done()
})
})
}
beforeEach(function() { migrator = null })
afterEach(function() { migrator = null })
describe('getUndoneMigrations', function() {
it("returns no files if timestamps are after the files timestamp", function() {
setup({ from: 20120101010101 })
Helpers.async(function(done) {
migrator.getUndoneMigrations(function(err, migrations) {
expect(err).toBeFalsy()
expect(migrations.length).toEqual(0)
done()
})
})
})
it("returns only files between from and to", function() {
setup({ from: 19700101000000, to: 20111117063700 })
Helpers.async(function(done) {
migrator.getUndoneMigrations(function(err, migrations) {
expect(err).toBeFalsy()
expect(migrations.length).toEqual(1)
expect(_.last(migrations).filename).toEqual('20111117063700-createPerson.js')
done()
})
})
})
it("returns also the file which is exactly options.from or options.to", function() {
setup({ from: 20111117063700, to: 20111123060700 })
Helpers.async(function(done) {
migrator.getUndoneMigrations(function(err, migrations) {
expect(err).toBeFalsy()
expect(migrations.length).toEqual(2)
expect(migrations[0].filename).toEqual('20111117063700-createPerson.js')
expect(migrations[1].filename).toEqual('20111123060700-addBirthdateToPerson.js')
done()
})
})
})
it("returns all files to options.to if no options.from is defined", function() {
setup({ to: 20111123060700 })
Helpers.async(function(done) {
migrator.getUndoneMigrations(function(err, migrations) {
expect(err).toBeFalsy()
expect(migrations.length).toEqual(2)
done()
})
})
})
it("returns all files from last migration id stored in database", function() {
setup()
Helpers.async(function(done) {
SequelizeMeta.create({ lastMigrationId: '20111117063700' }).success(function() {
migrator.getUndoneMigrations(function(err, migrations) {
expect(err).toBeFalsy()
expect(migrations.length).toEqual(2)
expect(migrations[0].filename).toEqual('20111123060700-addBirthdateToPerson.js')
done()
})
})
})
})
})
describe('migrate', function() {
beforeEach(function() {
setup({ from: 20111117063700, to: 20111117063700 })
Helpers.async(function(done) {
migrator.migrate().success(done).error(function(err) { console.log(err) })
})
})
afterEach(function() {
migrator = null
Helpers.async(function(done) {
sequelize.getQueryInterface().dropAllTables().success(done).error(function(err) { console.log(err) })
})
})
it("executes migration #20111117063700 and correctly creates the table", function() {
Helpers.async(function(done) {
sequelize.getQueryInterface().showAllTables().success(function(tableNames) {
tableNames = tableNames.slice('SequelizeMeta', 1)
expect(tableNames.length).toEqual(1)
expect(tableNames[0]).toEqual('Person')
done()
})
})
})
it("executes migration #20111117063700 correctly up (createTable) and downwards (dropTable)", function() {
Helpers.async(function(done) {
sequelize.getQueryInterface().showAllTables().success(function(tableNames) {
tableNames = tableNames.slice('SequelizeMeta', 1)
expect(tableNames.length).toEqual(1)
done()
})
})
Helpers.async(function(done) {
migrator.migrate({ method: 'down' }).success(function() {
sequelize.getQueryInterface().showAllTables().success(function(tableNames) {
tableNames = tableNames.slice('SequelizeMeta', 1)
expect(tableNames.length).toEqual(0)
done()
}).error(function(err){ console.log(err); done() })
}).error(function(err){ console.log(err); done() })
})
})
it("executes the empty migration #20111130161100", function() {
Helpers.async(function(done) {
setup({ from: 20111130161100, to: 20111130161100})
done()
})
Helpers.async(function(done) {
migrator.migrate().success(done).error(function(err) { console.log(err) })
// this migration isn't actually testing anything but
// should not timeout
})
})
})
})