remove unused functions of pool

lib/client-pool.js

@@ -4,41 +4,11 @@ var defaults =  require(__dirname + '/defaults');
 module.exports = {
   init: function(Client) {
 
-    //wrap up common connection management boilerplate
-    var connect = function(config, callback) {
-      if(poolEnabled()) {
-        return getPooledClient(config, callback)
-      }
-
-      var client = new Client(config);
-      client.connect();
-
-      var onError = function(error) {
-        client.removeListener('connect', onReady);
-        callback(error);
-      }
-
-      var onReady = function() {
-        client.removeListener('error', onError);
-        callback(null, client);
-        client.on('drain', client.end.bind(client));
-      }
-
-      client.once('error', onError);
-
-      client.once('connect', onReady);
-    }
-
-
     //connection pool global cache
     var clientPools = {
     }
 
-    var poolEnabled = function() {
-      return defaults.poolSize;
-    }
-
-    var getPooledClient = function(config, callback) {
+    var connect = function(config, callback) {
       //lookup pool using config as key
       //TODO this don't work so hot w/ object configs
       var pool = clientPools[config];

lib/utils.js

@@ -20,10 +20,15 @@ var Pool = function(maxSize, createFn) {
   this.items = [];
   this.waits = [];
 }
+
 sys.inherits(Pool, events.EventEmitter);
+
 var p = Pool.prototype;
 
 p.checkOut = function(callback) {
+  if(!this.maxSize) {
+    return callback(null, this.createFn());
+  }
   var len = 0;
   for(var i = 0, len = this.items.length; i < len; i++) {
     var item = this.items[i];
@@ -34,13 +39,7 @@ p.checkOut = function(callback) {
   //check if we can create a new item
   if(this.items.length < this.maxSize && this.createFn) {
     var result = this.createFn();
-    var item = result;
-    //create function can return item conforming to interface
-    //of stored items to allow for create function to create
-    //checked out items
-    if(typeof item.checkedIn == "undefined") {
-      var item = {ref: result, checkedIn: true}
-    }
+    var item = {ref: result, checkedIn: true}
     this.items.push(item);
     if(item.checkedIn) {
       return this._pulse(item, callback)

test/unit/utils-tests.js

@@ -91,24 +91,28 @@ test('an empty pool', function() {
   })
 })
 
-test('when creating async new pool members', function() {
-  var count = 0;
-  var pool = new Pool(3, function() {
-    var item = {ref: {name: ++count}, checkedIn: false};
-    process.nextTick(function() {
-      pool.checkIn(item.ref)
-    })
-    return item;
+test('a pool with size of zero', function() {
+  var index = 0;
+  var pool = new Pool(0, function() {
+    return index++;
   })
-  test('one request recieves member', function() {
+  test('checkin does nothing', function() {
+    index = 0;
+    pool.checkIn(301813);
+    assert.equal(pool.checkOut(assert.calls(function(err, item) {
+      assert.equal(item, 0);
+    })));
+  })
+  test('always creates a new item', function() {
+    index = 0;
     pool.checkOut(assert.calls(function(err, item) {
-      assert.equal(item.name, 1)
-      pool.checkOut(assert.calls(function(err, item) {
-        assert.equal(item.name, 2)
-        pool.checkOut(assert.calls(function(err, item) {
-          assert.equal(item.name, 3)
-        }))
-      }))
+      assert.equal(item, 0);
+    }))
+    pool.checkOut(assert.calls(function(err, item) {
+      assert.equal(item, 1);
+    }))
+    pool.checkOut(assert.calls(function(err, item) {
+      assert.equal(item, 2);
     }))
   })
 })
@@ -167,7 +171,7 @@ test('normalizing connection info', function() {
           assert.equal(output.database, process.env.USER);
           assert.equal(output.port, 5432);
         });
-        
+
         test('uses overridden defaults', function() {
           defaults.host = "/var/run/postgresql";
           defaults.user = "boom";