Add ref/unref noop to native client (#2581)

* Add ref/unref noop to native client

* Use promise.catch in test

* Make partition test not flake on old node

* Fix test flake on old node

Author: brianc

packages/pg-cursor/test/promises.js

@@ -26,7 +26,7 @@ describe('cursor using promises', function () {
 
   it('reject with error', function (done) {
     const cursor = this.pgCursor('select asdfasdf')
-    cursor.read(1).error((err) => {
+    cursor.read(1).catch((err) => {
       assert(err)
       done()
     })

packages/pg/lib/native/client.js

@@ -285,6 +285,9 @@ Client.prototype.cancel = function (query) {
   }
 }
 
+Client.prototype.ref = function () {}
+Client.prototype.unref = function () {}
+
 Client.prototype.setTypeParser = function (oid, format, parseFn) {
   return this._types.setTypeParser(oid, format, parseFn)
 }

packages/pg/test/integration/client/connection-timeout-tests.js

@@ -13,7 +13,7 @@ const options = {
   database: 'existing',
 }
 
-const serverWithConnectionTimeout = (timeout, callback) => {
+const serverWithConnectionTimeout = (port, timeout, callback) => {
   const sockets = new Set()
 
   const server = net.createServer((socket) => {
@@ -47,11 +47,11 @@ const serverWithConnectionTimeout = (timeout, callback) => {
     }
   }
 
-  server.listen(options.port, options.host, () => callback(closeServer))
+  server.listen(port, options.host, () => callback(closeServer))
 }
 
 suite.test('successful connection', (done) => {
-  serverWithConnectionTimeout(0, (closeServer) => {
+  serverWithConnectionTimeout(options.port, 0, (closeServer) => {
     const timeoutId = setTimeout(() => {
       throw new Error('Client should have connected successfully but it did not.')
     }, 3000)
@@ -67,12 +67,13 @@ suite.test('successful connection', (done) => {
 })
 
 suite.test('expired connection timeout', (done) => {
-  serverWithConnectionTimeout(options.connectionTimeoutMillis * 2, (closeServer) => {
+  const opts = { ...options, port: 54322 }
+  serverWithConnectionTimeout(opts.port, opts.connectionTimeoutMillis * 2, (closeServer) => {
     const timeoutId = setTimeout(() => {
       throw new Error('Client should have emitted an error but it did not.')
     }, 3000)
 
-    const client = new helper.Client(options)
+    const client = new helper.Client(opts)
     client
       .connect()
       .then(() => client.end())

packages/pg/test/integration/client/network-partition-tests.js

@@ -11,6 +11,7 @@ var Server = function (response) {
   this.response = response
 }
 
+let port = 54321
 Server.prototype.start = function (cb) {
   // this is our fake postgres server
   // it responds with our specified response immediatley after receiving every buffer
@@ -39,7 +40,7 @@ Server.prototype.start = function (cb) {
     }.bind(this)
   )
 
-  var port = 54321
+  port = port + 1
 
   var options = {
     host: 'localhost',