udf_test.go

// Copyright 2013-2014 Aerospike, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package aerospike_test

import (
	"flag"
	"math"
	"math/rand"
	"time"

	. "github.com/aerospike/aerospike-client-go"

	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
)

const udfBody = `function testFunc1(rec)
   local ret = map()                     -- Initialize the return value (a map)

   local x = rec['bin1']               -- Get the value from record bin named "bin1"

   rec['bin2'] = (x / 2)               -- Set the value in record bin named "bin2"

   aerospike:update(rec)                -- Update the main record

   ret['status'] = 'OK'                   -- Populate the return status
   return ret                             -- Return the Return value and/or status
end`

// ALL tests are isolated by SetName and Key, which are 50 random charachters
var _ = Describe("UDF/Query tests", func() {
	rand.Seed(time.Now().UnixNano())
	flag.Parse()

	// connection data
	var client *Client
	var err error
	var ns = "test"
	var set = randString(50)
	var key *Key
	var wpolicy = NewWritePolicy(0, 0)

	const keyCount = 1000
	bin1 := NewBin("bin1", rand.Intn(math.MaxInt16))
	bin2 := NewBin("bin2", 1)

	client, err = NewClient(*host, *port)
	Expect(err).ToNot(HaveOccurred())

	It("must Register a UDF", func() {
		regTask, err := client.RegisterUDF(wpolicy, []byte(udfBody), "udf1.lua", LUA)
		Expect(err).ToNot(HaveOccurred())

		// wait until UDF is created
		for {
			if err := <-regTask.OnComplete(); err == nil {
				break
			}
		}
	})

	It("must run a UDF on a single record", func() {
		key, err = NewKey(ns, set, randString(50))
		Expect(err).ToNot(HaveOccurred())
		err = client.PutBins(wpolicy, key, bin1, bin2)
		Expect(err).ToNot(HaveOccurred())

		res, err := client.Execute(nil, key, "udf1", "testFunc1")
		Expect(res).To(Equal(map[interface{}]interface{}{"status": "OK"}))
		Expect(err).ToNot(HaveOccurred())

		// read all data and make sure it is consistent
		rec, err := client.Get(nil, key)
		Expect(err).ToNot(HaveOccurred())

		Expect(rec.Bins[bin1.Name]).To(Equal(bin1.Value.GetObject()))
		Expect(rec.Bins[bin2.Name]).To(Equal(bin1.Value.GetObject().(int) / 2))
	})

	Context("must run the UDF on all records", func() {

		BeforeEach(func() {
			for i := 0; i < keyCount; i++ {
				key, err = NewKey(ns, set, randString(50))
				Expect(err).ToNot(HaveOccurred())

				err = client.PutBins(wpolicy, key, bin1, bin2)
				Expect(err).ToNot(HaveOccurred())
			}
		})

		It("must run a UDF on all records", func() {
			statement := NewStatement(ns, set)
			exTask, err := client.ExecuteUDF(nil, statement, "udf1", "testFunc1")
			Expect(err).ToNot(HaveOccurred())

			// wait until UDF is run on all records
			for {
				if err := <-exTask.OnComplete(); err == nil {
					break
				}
			}

			// read all data and make sure it is consistent
			recordset, err := client.ScanAll(nil, ns, set)
			Expect(err).ToNot(HaveOccurred())

			for fullRec := range recordset.Records {
				Expect(fullRec.Bins[bin2.Name]).To(Equal(bin1.Value.GetObject().(int) / 2))
			}
		}) // context

	})

})