Initial work on the server

node_modules/mysql/test/integration/connection/test-exception-safety.js

@@ -0,0 +1,66 @@
+// This test covers all event / callback interfaces offered by node-mysql and
+// throws an exception in them. Exception safety means that each of those
+// exceptions can be caught by an 'uncaughtException' / Domain handler without
+// the connection instance ending up in a bad state where it doesn't work
+// properly or doesn't execute the next sequence anymore.
+
+var common     = require('../../common');
+var connection = common.createConnection();
+var assert     = require('assert');
+
+
+var errors = [];
+process.on('uncaughtException', function(err) {
+  console.log(err.stack);
+  errors.push(err);
+});
+
+// Normal callback
+connection.connect(function(err) {
+  throw err || new Error('1');
+});
+
+// Normal callback (same code path as connect, but in here should that
+// implementation detail change at some point).
+connection.query('SELECT 1', function(err) {
+  throw err || new Error('2');
+});
+
+// Row streaming events
+connection.query('SELECT 1')
+  .on('fields', function() {
+    throw new Error('3');
+  })
+  .on('result', function() {
+    throw new Error('4');
+  });
+
+// Normal callback with error
+connection.query('INVALID SQL', function(err) {
+  assert.equal(err.code, 'ER_PARSE_ERROR');
+
+  throw new Error('5');
+});
+
+// Row streaming 'result' event triggered by Ok Packet (special code path)
+connection.query('USE ' + common.testDatabase)
+  .on('result', function() {
+    throw new Error('6');
+  });
+
+// Normal callback (same code path as connect, but in here should that
+// implementation detail change at some point).
+connection.end(function(err) {
+  throw err || new Error('7');
+});
+
+process.on('exit', function() {
+  process.removeAllListeners();
+
+  var expectedErrors = 7;
+  for (var i = 0; i < expectedErrors - 1; i++) {
+    var error = errors[i];
+    assert.equal(error.message, String(i + 1));
+    assert.equal(error.code, undefined);
+  }
+});