Add interface to generic-pool getters

index.js

@@ -172,3 +172,15 @@ Pool.prototype.end = function (cb) {
     }.bind(this))
   }.bind(this))
 }
+
+Pool.prototype.size = function () {
+  return this.pool.getPoolSize()
+}
+
+Pool.prototype.available = function () {
+  return this.pool.availableObjectsCount()
+}
+
+Pool.prototype.borrowed = function () {
+  return this.pool.inUseObjectsCount()
+}

test/index.js

@@ -76,6 +76,9 @@ describe('pool', function () {
     it('removes client if it errors in background', function (done) {
       var pool = new Pool()
       pool.connect(function (err, client, release) {
+        expect(pool.size()).to.be(1)
+        expect(pool.available()).to.be(0)
+        expect(pool.borrowed()).to.be(1)
         release()
         if (err) return done(err)
         client.testString = 'foo'
@@ -84,6 +87,9 @@ describe('pool', function () {
         }, 10)
       })
       pool.on('error', function (err) {
+        expect(pool.size()).to.be(0)
+        expect(pool.available()).to.be(0)
+        expect(pool.borrowed()).to.be(0)
         expect(err.message).to.be('on purpose')
         expect(err.client).to.not.be(undefined)
         expect(err.client.testString).to.be('foo')
@@ -135,12 +141,15 @@ describe('pool', function () {
     it('connects and disconnects', function () {
       var pool = new Pool()
       return pool.connect().then(function (client) {
-        expect(pool.pool.availableObjectsCount()).to.be(0)
+        expect(pool.size()).to.be(1)
+        expect(pool.available()).to.be(0)
+        expect(pool.borrowed()).to.be(1)
         return client.query('select $1::text as name', ['hi']).then(function (res) {
           expect(res.rows).to.eql([{ name: 'hi' }])
           client.release()
-          expect(pool.pool.getPoolSize()).to.be(1)
-          expect(pool.pool.availableObjectsCount()).to.be(1)
+          expect(pool.size()).to.be(1)
+          expect(pool.available()).to.be(1)
+          expect(pool.borrowed()).to.be(0)
           return pool.end()
         })
       })
@@ -157,7 +166,7 @@ describe('pool', function () {
         })
       }).then(function (res) {
         expect(res).to.have.length(30)
-        expect(pool.pool.getPoolSize()).to.be(9)
+        expect(pool.size()).to.be(9)
         return pool.end()
       })
     })
@@ -168,8 +177,9 @@ describe('pool', function () {
         return pool.query('SELECT $1::text as name', ['hi'])
       }).then(function (queries) {
         expect(queries).to.have.length(30)
-        expect(pool.pool.getPoolSize()).to.be(9)
-        expect(pool.pool.availableObjectsCount()).to.be(9)
+        expect(pool.size()).to.be(9)
+        expect(pool.available()).to.be(9)
+        expect(pool.borrowed()).to.be(0)
         return pool.end()
       })
     })