83 lines
1.7 KiB
Go
83 lines
1.7 KiB
Go
package notifier_test
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"github.com/cirruslabs/orchard/internal/controller/notifier"
|
|
"github.com/google/uuid"
|
|
"github.com/stretchr/testify/require"
|
|
"go.uber.org/zap"
|
|
"sync"
|
|
"testing"
|
|
"time"
|
|
)
|
|
|
|
func TestNotifier(t *testing.T) {
|
|
ctx := context.Background()
|
|
|
|
notifier := notifier.NewNotifier(zap.NewNop().Sugar())
|
|
|
|
var topic = uuid.New().String()
|
|
|
|
msgCh, cancel := notifier.Register(context.Background(), topic)
|
|
defer cancel()
|
|
|
|
var wg sync.WaitGroup
|
|
wg.Add(1)
|
|
|
|
go func() {
|
|
require.NoError(t, notifier.Notify(ctx, topic, nil))
|
|
|
|
time.Sleep(time.Second)
|
|
|
|
require.NoError(t, notifier.Notify(ctx, topic, nil))
|
|
|
|
wg.Done()
|
|
}()
|
|
|
|
fmt.Println("waiting for the message...")
|
|
|
|
<-msgCh
|
|
|
|
fmt.Println("received first message")
|
|
|
|
<-msgCh
|
|
|
|
fmt.Println("received second message")
|
|
|
|
wg.Wait()
|
|
}
|
|
|
|
func TestNotifierReRegisterKeepsNewestSlot(t *testing.T) {
|
|
ctx := context.Background()
|
|
watcher := notifier.NewNotifier(zap.NewNop().Sugar())
|
|
|
|
const worker = "worker-a"
|
|
|
|
_, staleCancel := watcher.Register(ctx, worker)
|
|
newestCh, newestCancel := watcher.Register(ctx, worker)
|
|
defer newestCancel()
|
|
|
|
// Simulate stale connection cleanup arriving after the worker has already re-registered.
|
|
staleCancel()
|
|
|
|
notifyCtx, notifyCancel := context.WithTimeout(ctx, 300*time.Millisecond)
|
|
defer notifyCancel()
|
|
|
|
notifyErrCh := make(chan error, 1)
|
|
go func() {
|
|
notifyErrCh <- watcher.Notify(notifyCtx, worker, nil)
|
|
}()
|
|
|
|
select {
|
|
case <-newestCh:
|
|
case err := <-notifyErrCh:
|
|
require.NoError(t, err)
|
|
t.Fatal("notify returned before delivering message to newest registration")
|
|
case <-time.After(time.Second):
|
|
t.Fatal("timed out waiting for notify delivery")
|
|
}
|
|
|
|
require.NoError(t, <-notifyErrCh)
|
|
}
|