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background_test.go
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background_test.go
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package ttlmap_test
import (
"github.com/packaged/ttlmap"
"log"
"testing"
"time"
)
func TestBackgroundUpdate(t *testing.T) {
cache := ttlmap.New(ttlmap.WithDefaultTTL(10*time.Millisecond), ttlmap.WithMaxLifetime(time.Second))
key := "test"
updates := 0
cache.Set(key, time.Now().UnixNano(), nil)
for {
if itm, ok := cache.GetItem(key); ok {
if time.Now().Add(time.Millisecond * 6).After(itm.GetExpiry()) {
if itm.Expired() {
log.Print("Item Expired")
} else {
log.Print("Item Expiring")
}
go cache.BackgroundUpdate(key, func() (interface{}, error) {
log.Print("Background Updating")
time.Sleep(time.Millisecond * 5)
updates++
log.Print("Background Updated")
return time.Now().UnixNano(), nil
})
} else {
log.Print("Item All Good ", itm.GetValue())
}
time.Sleep(time.Millisecond)
if time.Now().After(itm.GetDeadline()) {
break
}
if updates > 10 {
break
}
}
}
if updates == 0 {
t.Error("No updates were executed")
}
}