first steps for migrations

lib/migrator.js

+var fs    = require("fs")
+  , path  = require("path")
+  , Utils = require("./utils")
+
 module.exports = (function() {
   var Migrator = function(options) {
     this.options = Utils._.extend({
       path: __dirname + '/../migrations',
       from: null,
       to: null
-    }, _options || {})
+    }, options || {})
   }
 
   Migrator.prototype.migrate = function() {
-
+    getLastMigrationId.call(this)
   }
 
   // private
 
   var getLastMigrationId = function() {
+    var result = null
 
+    fs.readdirSync(this.options.path).filter(function(file) {
+      console.log(file)
+    })
   }
 
   return Migrator

spec/assets/migrations/20111117063700-createPerson.js

+module.exports = {
+  up: function() {
+
+  },
+  down: function() {
+
+  }
+}

spec/migrator.spec.js

+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")
+
+describe('Migrator', function() {
+  describe('getLastMigrationId', function() {
+    it("should correctly transform array into IN", function() {
+      new Migrator({ path: __dirname + '/assets/migrations'}).migrate()
+    })
+  })
+})