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package main
import (
"errors"
"io/ioutil"
"flag"
"testing"
"os"
benchmarkWrapper "./tmp"
proto "github.com/golang/protobuf/proto"
googleMessage1Proto3 "./tmp/datasets/google_message1/proto3"
googleMessage1Proto2 "./tmp/datasets/google_message1/proto2"
googleMessage2 "./tmp/datasets/google_message2"
googleMessage3 "./tmp/datasets/google_message3"
googleMessage4 "./tmp/datasets/google_message4"
)
// Data is returned by the Load function.
type Data struct {
// Marshalled is a slice of marshalled protocol
// buffers. 1:1 with Unmarshalled.
Marshalled [][]byte
// Unmarshalled is a slice of unmarshalled protocol
// buffers. 1:1 with Marshalled.
Unmarshalled []proto.Message
count int
}
var data *Data
var counter int
type GetDefaultInstanceFunction func() proto.Message
var getDefaultInstance GetDefaultInstanceFunction
// This is used to getDefaultInstance for a message type.
func generateGetDefaltInstanceFunction(dataset benchmarkWrapper.BenchmarkDataset) error {
switch dataset.MessageName {
case "benchmarks.proto3.GoogleMessage1":
getDefaultInstance = func() proto.Message { return &googleMessage1Proto3.GoogleMessage1{} }
return nil
case "benchmarks.proto2.GoogleMessage1":
getDefaultInstance = func() proto.Message { return &googleMessage1Proto2.GoogleMessage1{} }
return nil
case "benchmarks.proto2.GoogleMessage2":
getDefaultInstance = func() proto.Message { return &googleMessage2.GoogleMessage2{} }
return nil
case "benchmarks.google_message3.GoogleMessage3":
getDefaultInstance = func() proto.Message { return &googleMessage3.GoogleMessage3{} }
return nil
case "benchmarks.google_message4.GoogleMessage4":
getDefaultInstance = func() proto.Message { return &googleMessage4.GoogleMessage4{} }
return nil
default:
return errors.New("Unknown message type: " + dataset.MessageName)
}
}
func TestMain(m *testing.M) {
flag.Parse()
data = new(Data)
rawData, error := ioutil.ReadFile(flag.Arg(0))
if error != nil {
panic("Couldn't find file" + flag.Arg(0))
}
var dataset benchmarkWrapper.BenchmarkDataset
if err1 := proto.Unmarshal(rawData, &dataset); err1 != nil {
panic("The raw input data can't be parse into BenchmarkDataset message.")
}
generateGetDefaltInstanceFunction(dataset)
for _, payload := range dataset.Payload {
data.Marshalled = append(data.Marshalled, payload)
m := getDefaultInstance()
proto.Unmarshal(payload, m)
data.Unmarshalled = append(data.Unmarshalled, m)
}
data.count = len(data.Unmarshalled)
os.Exit(m.Run())
}
func BenchmarkUnmarshal(b *testing.B) {
b.ReportAllocs()
for i := 0; i < b.N; i++ {
payload := data.Marshalled[counter % data.count]
out := getDefaultInstance()
if err := proto.Unmarshal(payload, out); err != nil {
b.Fatalf("can't unmarshal message %d %v", counter % data.count, err)
}
counter++
}
}
func BenchmarkMarshal(b *testing.B) {
b.ReportAllocs()
for i := 0; i < b.N; i++ {
m := data.Unmarshalled[counter % data.count]
if _, err := proto.Marshal(m); err != nil {
b.Fatalf("can't marshal message %d %+v: %v", counter % data.count, m, err)
}
counter++
}
}
func BenchmarkSize(b *testing.B) {
b.ReportAllocs()
for i := 0; i < b.N; i++ {
proto.Size(data.Unmarshalled[counter % data.count])
counter++
}
}
func BenchmarkClone(b *testing.B) {
b.ReportAllocs()
for i := 0; i < b.N; i++ {
proto.Clone(data.Unmarshalled[counter % data.count])
counter++
}
}
func BenchmarkMerge(b *testing.B) {
b.ReportAllocs()
for i := 0; i < b.N; i++ {
out := getDefaultInstance()
proto.Merge(out, data.Unmarshalled[counter % data.count])
counter++
}
}
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