micro/broker/http_broker_test.go

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package broker
import (
"sync"
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"testing"
"github.com/micro/go-micro/registry/mock"
)
func TestBroker(t *testing.T) {
m := mock.NewRegistry()
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b := NewBroker(Registry(m))
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if err := b.Init(); err != nil {
t.Errorf("Unexpected init error: %v", err)
}
if err := b.Connect(); err != nil {
t.Errorf("Unexpected connect error: %v", err)
}
msg := &Message{
Header: map[string]string{
"Content-Type": "application/json",
},
Body: []byte(`{"message": "Hello World"}`),
}
done := make(chan bool)
sub, err := b.Subscribe("test", func(p Publication) error {
m := p.Message()
if string(m.Body) != string(msg.Body) {
t.Errorf("Unexpected msg %s, expected %s", string(m.Body), string(msg.Body))
}
close(done)
return nil
})
if err != nil {
t.Errorf("Unexpected subscribe error: %v", err)
}
if err := b.Publish("test", msg); err != nil {
t.Errorf("Unexpected publish error: %v", err)
}
<-done
sub.Unsubscribe()
if err := b.Disconnect(); err != nil {
t.Errorf("Unexpected disconnect error: %v", err)
}
}
func TestConcurrentSubBroker(t *testing.T) {
m := mock.NewRegistry()
b := NewBroker(Registry(m))
if err := b.Init(); err != nil {
t.Errorf("Unexpected init error: %v", err)
}
if err := b.Connect(); err != nil {
t.Errorf("Unexpected connect error: %v", err)
}
msg := &Message{
Header: map[string]string{
"Content-Type": "application/json",
},
Body: []byte(`{"message": "Hello World"}`),
}
var subs []Subscriber
var wg sync.WaitGroup
for i := 0; i < 10; i++ {
sub, err := b.Subscribe("test", func(p Publication) error {
defer wg.Done()
m := p.Message()
if string(m.Body) != string(msg.Body) {
t.Errorf("Unexpected msg %s, expected %s", string(m.Body), string(msg.Body))
}
return nil
})
if err != nil {
t.Errorf("Unexpected subscribe error: %v", err)
}
wg.Add(1)
subs = append(subs, sub)
}
if err := b.Publish("test", msg); err != nil {
t.Errorf("Unexpected publish error: %v", err)
}
wg.Wait()
for _, sub := range subs {
sub.Unsubscribe()
}
if err := b.Disconnect(); err != nil {
t.Errorf("Unexpected disconnect error: %v", err)
}
}
func TestConcurrentPubBroker(t *testing.T) {
m := mock.NewRegistry()
b := NewBroker(Registry(m))
if err := b.Init(); err != nil {
t.Errorf("Unexpected init error: %v", err)
}
if err := b.Connect(); err != nil {
t.Errorf("Unexpected connect error: %v", err)
}
msg := &Message{
Header: map[string]string{
"Content-Type": "application/json",
},
Body: []byte(`{"message": "Hello World"}`),
}
var wg sync.WaitGroup
sub, err := b.Subscribe("test", func(p Publication) error {
defer wg.Done()
m := p.Message()
if string(m.Body) != string(msg.Body) {
t.Errorf("Unexpected msg %s, expected %s", string(m.Body), string(msg.Body))
}
return nil
})
if err != nil {
t.Errorf("Unexpected subscribe error: %v", err)
}
for i := 0; i < 10; i++ {
wg.Add(1)
if err := b.Publish("test", msg); err != nil {
t.Errorf("Unexpected publish error: %v", err)
}
}
wg.Wait()
sub.Unsubscribe()
if err := b.Disconnect(); err != nil {
t.Errorf("Unexpected disconnect error: %v", err)
}
}