Add basic unit test

Author: abenhamdine

packages/pg/test/unit/client/simple-query-tests.js

@@ -60,6 +60,38 @@ test('executing query', function () {
     })
   })
 
+  test("multiple in the queue, pipelining mode", function () {
+    var client = helper.client()
+    client.pipelining = true
+    var connection = client.connection
+    var queries = connection.queries
+    client.query('one')
+    client.query('two')
+    client.query('three')
+    assert.empty(queries)
+
+    test("after one ready for query", function () {
+      connection.emit('readyForQuery')
+      assert.lengthIs(queries, 3)
+      assert.equal(queries[0], "one")
+    })
+
+    test('after two ready for query', function () {
+      connection.emit('readyForQuery')
+      assert.lengthIs(queries, 3)
+    })
+
+    test("after a bunch more", function () {
+      connection.emit('readyForQuery')
+      connection.emit('readyForQuery')
+      connection.emit('readyForQuery')
+      assert.lengthIs(queries, 3)
+      assert.equal(queries[0], "one")
+      assert.equal(queries[1], 'two')
+      assert.equal(queries[2], 'three')
+    })
+  })
+
   test('query event binding and flow', function () {
     var client = helper.client()
     var con = client.connection