support for 'notice' messages

lib/connection.js

@@ -186,6 +186,7 @@ var messageNames = {
   T: 'rowDescription',
   D: 'dataRow',
   E: 'error',
+  N: 'notice',
   1: 'parseComplete',
   2: 'bindComplete',
   A: 'notificationResponse'
@@ -321,6 +322,9 @@ p.parseE = function(msg) {
   return msg;
 };
 
+//same thing, different name
+p.parseN = p.parseE;
+
 //parses parseComplete
 p.parse1 = function(msg) {
   return msg;

test/test-buffers.js

@@ -80,15 +80,22 @@ buffers.dataRow = function(columns) {
 };
 
 buffers.error = function(fields) {
+  return errorOrNotice(fields).join(true, 'E');
+};
+
+buffers.notice = function(fields) {
+  return errorOrNotice(fields).join(true, 'N');
+};
+
+var errorOrNotice = function(fields) {
   fields = fields || [];
   var buf = new BufferList();
   fields.forEach(function(field) {
     buf.addChar(field.type);
     buf.addCString(field.value);
   });
-  buf.add(Buffer([0]));//terminator
-  return buf.join(true, 'E');
-};
+  return buf.add(Buffer([0]));//terminator
+}
 
 buffers.parseComplete = function() {
   return new BufferList().join(true, '1');

test/unit/connection/inbound-parser-tests.js

@@ -256,6 +256,15 @@ test('Connection', function() {
 
   });
 
+  test('notice message', function() {
+    //this uses the same logic as error message
+    var buff = buffers.notice([{type: 'C', value: 'code'}]);
+    testForMessage(buff, {
+      name: 'notice',
+      code: 'code'
+    });
+  });
+
   test('error messages', function() {
     test('with no fields', function() {
       var msg = testForMessage(buffers.error(),{