Files
sendico/api/pkg/discovery/announcer_test.go
2026-03-01 14:02:05 +01:00

100 lines
2.5 KiB
Go

package discovery
import (
"sync"
"testing"
"time"
me "github.com/tech/sendico/pkg/messaging/envelope"
"go.uber.org/zap"
)
type recordingProducer struct {
mu sync.Mutex
counts map[string]int
}
func newRecordingProducer() *recordingProducer {
return &recordingProducer{
counts: make(map[string]int),
}
}
func (p *recordingProducer) SendMessage(env me.Envelope) error {
if p == nil || env == nil {
return nil
}
sig := env.GetSignature()
if sig == nil {
return nil
}
p.mu.Lock()
p.counts[sig.ToString()]++
p.mu.Unlock()
return nil
}
func (p *recordingProducer) count(event string) int {
if p == nil {
return 0
}
p.mu.Lock()
defer p.mu.Unlock()
return p.counts[event]
}
func waitForAtLeast(t *testing.T, timeout time.Duration, countFn func() int, want int, label string) {
t.Helper()
deadline := time.Now().Add(timeout)
for time.Now().Before(deadline) {
if countFn() >= want {
return
}
time.Sleep(20 * time.Millisecond)
}
t.Fatalf("timed out waiting for %s: got=%d want_at_least=%d", label, countFn(), want)
}
func TestHeartbeatIntervalForHealth_Default(t *testing.T) {
got := heartbeatIntervalForHealth(HealthParams{})
want := time.Duration(DefaultHealthIntervalSec) * time.Second
if got != want {
t.Fatalf("unexpected heartbeat interval: got=%s want=%s", got, want)
}
}
func TestReannounceIntervalForHealth_Default(t *testing.T) {
got := heartbeatIntervalForHealth(HealthParams{}) * defaultReannounceHeartbeatFactor
want := time.Duration(DefaultHealthIntervalSec*defaultReannounceHeartbeatFactor) * time.Second
if got != want {
t.Fatalf("unexpected reannounce interval: got=%s want=%s", got, want)
}
}
func TestAnnouncerPeriodicReannounce(t *testing.T) {
producer := newRecordingProducer()
announce := Announcement{
Service: "FX_INGESTOR",
Operations: []string{OperationFXIngest},
Health: HealthParams{
IntervalSec: 1,
TimeoutSec: 2,
},
}
announcer := NewAnnouncer(zap.NewNop(), producer, "fx_ingestor", announce)
announcer.Start()
defer announcer.Stop()
announceEvent := ServiceAnnounceEvent().ToString()
heartbeatEvent := HeartbeatEvent().ToString()
waitForAtLeast(t, 1*time.Second, func() int { return producer.count(announceEvent) }, 1, "initial announce")
waitForAtLeast(t, 1*time.Second, func() int { return producer.count(heartbeatEvent) }, 1, "initial heartbeat")
// With 1s heartbeat and factor=3, periodic re-announce should happen in ~3s.
waitForAtLeast(t, 5*time.Second, func() int { return producer.count(announceEvent) }, 2, "periodic re-announce")
}