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// Copyright 2012-2019 The NATS Authors
// 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 test
import (
"sync/atomic"
"testing"
"time"
"github.com/nats-io/nats.go"
)
func BenchmarkPublishSpeed(b *testing.B) {
b.StopTimer()
s := RunDefaultServer()
defer s.Shutdown()
nc := NewDefaultConnection(b)
defer nc.Close()
b.StartTimer()
msg := []byte("Hello World")
for i := 0; i < b.N; i++ {
if err := nc.Publish("foo", msg); err != nil {
b.Fatalf("Error in benchmark during Publish: %v\n", err)
}
}
// Make sure they are all processed.
nc.Flush()
b.StopTimer()
}
func BenchmarkPubSubSpeed(b *testing.B) {
b.StopTimer()
s := RunDefaultServer()
defer s.Shutdown()
nc := NewDefaultConnection(b)
defer nc.Close()
ch := make(chan bool)
nc.SetErrorHandler(func(nc *nats.Conn, s *nats.Subscription, err error) {
b.Fatalf("Error : %v\n", err)
})
received := int32(0)
nc.Subscribe("foo", func(m *nats.Msg) {
if nr := atomic.AddInt32(&received, 1); nr >= int32(b.N) {
ch <- true
}
})
msg := []byte("Hello World")
b.StartTimer()
for i := 0; i < b.N; i++ {
if err := nc.Publish("foo", msg); err != nil {
b.Fatalf("Error in benchmark during Publish: %v\n", err)
}
}
// Make sure they are all processed.
err := WaitTime(ch, 10*time.Second)
if err != nil {
b.Fatal("Timed out waiting for messages")
} else if atomic.LoadInt32(&received) != int32(b.N) {
b.Fatalf("Received: %d, err:%v", received, nc.LastError())
}
b.StopTimer()
}
func BenchmarkAsyncSubscriptionCreationSpeed(b *testing.B) {
b.StopTimer()
s := RunDefaultServer()
defer s.Shutdown()
nc := NewDefaultConnection(b)
defer nc.Close()
b.StartTimer()
b.ReportAllocs()
for i := 0; i < b.N; i++ {
nc.Subscribe("foo", func(m *nats.Msg) {})
}
}
func BenchmarkSyncSubscriptionCreationSpeed(b *testing.B) {
b.StopTimer()
s := RunDefaultServer()
defer s.Shutdown()
nc := NewDefaultConnection(b)
defer nc.Close()
b.StartTimer()
b.ReportAllocs()
for i := 0; i < b.N; i++ {
nc.SubscribeSync("foo")
}
}
func BenchmarkInboxCreation(b *testing.B) {
for i := 0; i < b.N; i++ {
nats.NewInbox()
}
}
func BenchmarkNewInboxCreation(b *testing.B) {
s := RunDefaultServer()
defer s.Shutdown()
nc := NewDefaultConnection(b)
defer nc.Close()
b.ResetTimer()
for i := 0; i < b.N; i++ {
nc.NewRespInbox()
}
}
func BenchmarkRequest(b *testing.B) {
b.StopTimer()
s := RunDefaultServer()
defer s.Shutdown()
nc := NewDefaultConnection(b)
defer nc.Close()
ok := []byte("ok")
nc.Subscribe("req", func(m *nats.Msg) {
nc.Publish(m.Reply, ok)
})
b.StartTimer()
b.ReportAllocs()
q := []byte("q")
for i := 0; i < b.N; i++ {
_, err := nc.Request("req", q, 1*time.Second)
if err != nil {
b.Fatalf("Err %v\n", err)
}
}
}
func BenchmarkOldRequest(b *testing.B) {
b.StopTimer()
s := RunDefaultServer()
defer s.Shutdown()
nc, err := nats.Connect(nats.DefaultURL, nats.UseOldRequestStyle())
if err != nil {
b.Fatalf("Failed to connect: %v", err)
}
defer nc.Close()
ok := []byte("ok")
nc.Subscribe("req", func(m *nats.Msg) {
nc.Publish(m.Reply, ok)
})
b.StartTimer()
b.ReportAllocs()
q := []byte("q")
for i := 0; i < b.N; i++ {
_, err := nc.Request("req", q, 1*time.Second)
if err != nil {
b.Fatalf("Err %v\n", err)
}
}
}
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