Add connect event to Connection

closes #1129

Changes.md

@@ -6,6 +6,7 @@ you spot any mistakes.
 
 ## HEAD
 
+* Add `connect` event to `Connection` #1129
 * Fix a sync callback when sequence enqueue fails #1147
 * Provide static require analysis
 * Re-use connection from pool after `conn.changeUser` is used #837 #1088

lib/Connection.js

@@ -382,6 +382,7 @@ Connection.prototype._handleProtocolDrain = function() {
 
 Connection.prototype._handleProtocolConnect = function() {
   this.state = "connected";
+  this.emit('connect');
 };
 
 Connection.prototype._handleProtocolHandshake = function _handleProtocolHandshake(packet) {

test/unit/connection/test-connect-event.js

@@ -0,0 +1,16 @@
+var assert     = require('assert');
+var common     = require('../../common');
+var connection = common.createConnection({port: common.fakeServerPort});
+
+var server = common.createFakeServer();
+
+server.listen(common.fakeServerPort, function (err) {
+  assert.ifError(err);
+
+  connection.on('connect', function () {
+    connection.destroy();
+    server.destroy();
+  });
+
+  connection.connect(assert.ifError);
+});