63 lines
1.2 KiB
Go
63 lines
1.2 KiB
Go
package pubsub
|
|
|
|
import (
|
|
"testing"
|
|
"time"
|
|
)
|
|
|
|
func TestSendToOneSub(t *testing.T) {
|
|
p := NewPublisher(100*time.Millisecond, 10)
|
|
c := p.Subscribe()
|
|
|
|
p.Publish("hi")
|
|
|
|
msg := <-c
|
|
if msg.(string) != "hi" {
|
|
t.Fatalf("expected message hi but received %v", msg)
|
|
}
|
|
}
|
|
|
|
func TestSendToMultipleSubs(t *testing.T) {
|
|
p := NewPublisher(100*time.Millisecond, 10)
|
|
subs := []chan interface{}{}
|
|
subs = append(subs, p.Subscribe(), p.Subscribe(), p.Subscribe())
|
|
|
|
p.Publish("hi")
|
|
|
|
for _, c := range subs {
|
|
msg := <-c
|
|
if msg.(string) != "hi" {
|
|
t.Fatalf("expected message hi but received %v", msg)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestEvictOneSub(t *testing.T) {
|
|
p := NewPublisher(100*time.Millisecond, 10)
|
|
s1 := p.Subscribe()
|
|
s2 := p.Subscribe()
|
|
|
|
p.Evict(s1)
|
|
p.Publish("hi")
|
|
if _, ok := <-s1; ok {
|
|
t.Fatal("expected s1 to not receive the published message")
|
|
}
|
|
|
|
msg := <-s2
|
|
if msg.(string) != "hi" {
|
|
t.Fatalf("expected message hi but received %v", msg)
|
|
}
|
|
}
|
|
|
|
func TestClosePublisher(t *testing.T) {
|
|
p := NewPublisher(100*time.Millisecond, 10)
|
|
subs := []chan interface{}{}
|
|
subs = append(subs, p.Subscribe(), p.Subscribe(), p.Subscribe())
|
|
p.Close()
|
|
|
|
for _, c := range subs {
|
|
if _, ok := <-c; ok {
|
|
t.Fatal("expected all subscriber channels to be closed")
|
|
}
|
|
}
|
|
}
|