refactor(connections): fix a few weird bugs and tests

lib/connection-manager.js

@@ -42,6 +42,10 @@ ConnectionManager = function(sequelize) {
     var reads = 0
       , writes = 0;
 
+    if (!Array.isArray(config.replication.read)) {
+      config.replication.read = [config.replication.read];
+    }
+
     // Make sure we don't modify the existing config object (user might re-use it)
     config.replication.write = _.extend({}, config.replication.write);
     config.replication.read = config.replication.read.map(function (read) {
@@ -89,14 +93,16 @@ ConnectionManager = function(sequelize) {
       },
       read: Pooling.Pool({
         name: 'sequelize-connection-read',
-        create: function(done) {
+        create: function(callback) {
           if (reads >= config.replication.read.length) {
             reads = 0;
           }
           // Simple round robin config
-          self.$connect(config.replication.read[reads++]).then(function (connection) {
+          self.$connect(config.replication.read[reads++]).tap(function (connection) {
             connection.queryType = 'read';
-          }).nodeify(done);
+          }).nodeify(function (err, connection) {
+            callback(err, connection); // For some reason this is needed, else generic-pool things err is a connection or some shit
+          });
         },
         destroy: function(connection) {
           self.$disconnect(connection);
@@ -108,10 +114,12 @@ ConnectionManager = function(sequelize) {
       }),
       write: Pooling.Pool({
         name: 'sequelize-connection-write',
-        create: function(done) {
-          self.$connect(config.replication.write).then(function (connection) {
+        create: function(callback) {
+          self.$connect(config.replication.write).tap(function (connection) {
             connection.queryType = 'write';
-          }).nodeify(done);
+          }).nodeify(function (err, connection) {
+            callback(err, connection); // For some reason this is needed, else generic-pool things err is a connection or some shit
+          });
         },
         destroy: function(connection) {
           self.$disconnect(connection);
@@ -125,8 +133,10 @@ ConnectionManager = function(sequelize) {
   } else {
     this.pool = Pooling.Pool({
       name: 'sequelize-connection',
-      create: function(done) {
-        self.$connect(config).nodeify(done);
+      create: function(callback) {
+        self.$connect(config).nodeify(function (err, connection) {
+          callback(err, connection); // For some reason this is needed, else generic-pool things err is a connection or some shit
+        });
       },
       destroy: function(connection) {
         self.$disconnect(connection);

lib/dialects/postgres/connection-manager.js

@@ -4,6 +4,7 @@ var ConnectionManager
 
 ConnectionManager = function(dialect, sequelize) {
   this.sequelize = sequelize;
+  this.sequelize.config.port = this.sequelize.config.port || 5432;
   try {
     this.lib = sequelize.config.native ? require(sequelize.config.dialectModulePath || 'pg').native : require(sequelize.config.dialectModulePath || 'pg');
   } catch (err) {
@@ -13,6 +14,7 @@ ConnectionManager = function(dialect, sequelize) {
 
 ConnectionManager.prototype.connect = function(config) {
   var self = this;
+
   return new Promise(function (resolve, reject) {
     var connectionString = self.sequelize.getQueryInterface().QueryGenerator.databaseConnectionUri(config)
       , connection = new self.lib.Client(connectionString)

test/configuration.test.js

@@ -74,7 +74,7 @@ describe(Support.getTestDialectTeaser("Configuration"), function() {
       var sequelize = new Sequelize('dbname', 'root', 'pass', {
           dialect: dialect
         })
-        , config = sequelize.connectorManager.config
+        , config = sequelize.config
         , port
 
       if (Support.dialectIsMySQL()) {

test/sequelize.test.js

@@ -91,6 +91,7 @@ describe(Support.getTestDialectTeaser("Sequelize"), function () {
         })
 
         it('triggers the actual adapter error', function(done) {
+
           this
             .sequelizeWithInvalidConnection
             .authenticate()
@@ -100,14 +101,16 @@ describe(Support.getTestDialectTeaser("Sequelize"), function () {
               } else if (dialect === 'postgres') {
                 // When the test is run with only it produces:
                 // Error: Error: Failed to authenticate for PostgresSQL. Please double check your settings.
+                expect(err.message).to.match(/Failed to authenticate for PostgresSQL/)
                 // When its run with all the other tests it produces:
                 // Error: invalid port number: "99999"
-                expect(err.message).to.match(/invalid port number/)
+                //expect(err.message).to.match(/invalid port number/)
               } else {
                 expect(err.message).to.match(/Failed to authenticate/)
               }
 
               done()
+              
             })
         })
       })