ccache/cache_test.go
2014-03-23 07:53:29 +08:00

50 lines
1.3 KiB
Go

package ccache
import (
"github.com/karlseguin/gspec"
"strconv"
"testing"
"time"
)
func TestCacheGCsTheOldestItems(t *testing.T) {
spec := gspec.New(t)
cache := New(Configure().ItemsToPrune(10))
for i := 0; i < 500; i++ {
cache.Set(strconv.Itoa(i), i, time.Minute)
}
cache.gc()
spec.Expect(cache.Get("9")).ToBeNil()
spec.Expect(cache.Get("10").(int)).ToEqual(10)
}
func TestCachePromotedItemsDontGetPruned(t *testing.T) {
spec := gspec.New(t)
cache := New(Configure().ItemsToPrune(10).GetsPerPromote(1))
for i := 0; i < 500; i++ {
cache.Set(strconv.Itoa(i), i, time.Minute)
}
time.Sleep(time.Millisecond * 10) //run the worker once to init the list
cache.Get("9")
time.Sleep(time.Millisecond * 10)
cache.gc()
spec.Expect(cache.Get("9").(int)).ToEqual(9)
spec.Expect(cache.Get("10")).ToBeNil()
spec.Expect(cache.Get("11").(int)).ToEqual(11)
}
func TestCacheTrackerDoesNotCleanupHeldInstance(t *testing.T) {
spec := gspec.New(t)
cache := New(Configure().ItemsToPrune(10).Track())
for i := 0; i < 10; i++ {
cache.Set(strconv.Itoa(i), i, time.Minute)
}
item := cache.TrackingGet("0")
time.Sleep(time.Millisecond * 10)
cache.gc()
spec.Expect(cache.Get("0").(int)).ToEqual(0)
spec.Expect(cache.Get("1")).ToBeNil()
item.Release()
cache.gc()
spec.Expect(cache.Get("0")).ToBeNil()
}