Change pg connector manager to use promises correctly

.travis.yml

@@ -37,9 +37,9 @@ matrix:
   fast_finish: true
 
   include:
-    - node_js: "0.12"
+    - node_js: "0.11"
       env: DB=mysql DIALECT=mysql
 
   allow_failures:
-    - node_js: "0.12"
+    - node_js: "0.11"
       env: DB=mysql DIALECT=mysql
\ No newline at end of file

lib/dialects/postgres/connector-manager.js

@@ -64,13 +64,12 @@ module.exports = (function() {
 
   ConnectorManager.prototype.connect = function(callback) {
     var self = this
-    var emitter = new Utils.Promise();
 
+    return new Utils.Promise(function (resolve, reject) {
       // in case database is slow to connect, prevent orphaning the client
       // TODO: We really need some sort of queue/flush/drain mechanism
       if (this.isConnecting && !this.pooling && this.client === null) {
-      emitter.emit('success', null)
-      return emitter
+        return resolve()
       }
 
       this.isConnecting = true
@@ -86,8 +85,13 @@ module.exports = (function() {
         config.reapIntervalMillis = this.config.pool.reapInterval   || 1000
         config.uuid               = this.config.uuid
       }
-
       var connectCallback = function(err, client, done) {
+        var timezoneCallback = function() {
+            self.isConnected = true
+            self.client = client
+            resolve(done)
+          }
+
         self.isConnecting = false
 
         if (!!err) {
@@ -98,41 +102,36 @@ module.exports = (function() {
           if (err.code) {
             switch(err.code) {
             case 'ECONNREFUSED':
-            emitter.emit('error', new Error("Failed to authenticate for PostgresSQL. Please double check your settings."))
+              reject(new Error("Failed to authenticate for PostgresSQL. Please double check your settings."))
               break
             case 'ENOTFOUND':
             case 'EHOSTUNREACH':
             case 'EINVAL':
-            emitter.emit('error', new Error("Failed to find PostgresSQL server. Please double check your settings."))
+              reject(new Error("Failed to find PostgresSQL server. Please double check your settings."))
               break
             default:
-            emitter.emit('error', err)
+              reject(err)
               break
             }
           } else {
-          emitter.emit('error', new Error(err.message))
+            reject(new Error(err.message))
           }
         } else if (client) {
-        var timezoneCallback = function() {
-          self.isConnected = true
-          self.client = client
-          emitter.emit('success', done)
-        }
-
           if (self.config.keepDefaultTimezone) {
-          Utils.tick(timezoneCallback)
+            timezoneCallback()
           } else {
             self.setTimezone(client, 'UTC', timezoneCallback)
           }
         } else if (self.config.native) {
-        self.setTimezone(self.client, 'UTC', function() {
-          self.isConnected = true
-          emitter.emit('success', done)
-        })
+          if (self.config.keepDefaultTimezone) {
+            timezoneCallback()
+          } else {
+            self.setTimezone(self.client, 'UTC', timezoneCallback)  
+          }          
         } else {
           done && done()
           self.client = null
-        emitter.emit('success')
+          resolve()
         }
       }
 
@@ -167,8 +166,7 @@ module.exports = (function() {
           })
         }
       }
-
-    return emitter
+    }.bind(this))
   }
 
   ConnectorManager.prototype.setTimezone = function(client, timezone, callback) {