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cache_race_test.go
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cache_race_test.go
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package theine
import (
"math/rand"
"sync"
"testing"
"time"
"github.com/Yiling-J/theine-go/internal"
"github.com/stretchr/testify/require"
)
func keyGen() []uint64 {
keys := []uint64{}
r := rand.New(rand.NewSource(0))
z := rand.NewZipf(r, 1.01, 9.0, 200000)
for i := 0; i < 2<<16; i++ {
keys = append(keys, z.Uint64())
}
return keys
}
func TestCacheRace_GetSet(t *testing.T) {
for _, size := range []int{500, 2000, 10000, 50000} {
builder := NewBuilder[uint64, uint64](int64(size))
builder.RemovalListener(func(key, value uint64, reason RemoveReason) {})
client, err := builder.Build()
require.Nil(t, err)
var wg sync.WaitGroup
keys := keyGen()
for i := 1; i <= 20; i++ {
wg.Add(1)
go func() {
defer wg.Done()
rd := rand.Intn(2 << 16)
for i := 0; i < 100000; i++ {
keyGet := keys[(i+rd)&(2<<16-1)]
keyUpdate := keys[(i+3*rd)&(2<<16-1)]
v, ok := client.Get(keyGet)
if ok && v != keyGet {
panic(keyGet)
}
if !ok {
client.SetWithTTL(keyGet, keyGet, 1, 0)
}
client.SetWithTTL(keyUpdate, keyUpdate, int64(i%10+1), 0)
}
}()
}
wg.Wait()
client.store.Wait()
require.True(
t, client.Len() < size+internal.WriteBufferSize,
)
di := client.store.DebugInfo()
require.Equal(t, client.Len(), int(di.TotalCount()))
require.True(t, di.TotalWeight() <= int64(size+size/10))
require.Equal(t, di.ProbationWeight, di.ProbationWeightField)
require.Equal(t, di.ProtectedWeight, di.ProtectedWeightField)
for i := 0; i < len(di.QueueWeight); i++ {
require.Equal(t, di.QueueWeight[i], di.QueueWeightField[i])
}
client.store.RangeEntry(func(entry *internal.Entry[uint64, uint64]) {
require.Equal(t, entry.Weight(), entry.PolicyWeight(), entry.Position())
})
client.Close()
}
}
func TestCacheRace_GetSetDeleteExpire(t *testing.T) {
for _, size := range []int{500, 2000, 10000, 50000} {
builder := NewBuilder[uint64, uint64](int64(size))
builder.RemovalListener(func(key, value uint64, reason RemoveReason) {})
client, err := builder.Build()
require.Nil(t, err)
var wg sync.WaitGroup
keys := keyGen()
for i := 1; i <= 20; i++ {
wg.Add(1)
go func() {
defer wg.Done()
rd := rand.Intn(2 << 16)
for i := 0; i < 100000; i++ {
key := keys[(i+rd)&(2<<16-1)]
v, ok := client.Get(key)
if ok && v != key {
panic(key)
}
if !ok {
client.SetWithTTL(key, key, int64(i%10+1), time.Second*time.Duration(i%25+5))
}
if i%5 == 0 {
client.Delete(key)
}
if i%5000 == 0 {
client.Range(func(key, value uint64) bool {
return true
})
}
}
}()
}
wg.Wait()
client.store.Wait()
require.True(
t, client.Len() < size+internal.WriteBufferSize,
)
di := client.store.DebugInfo()
require.Equal(t, client.Len(), int(di.TotalCount()))
require.True(t, di.TotalWeight() <= int64(size+size/10))
require.Equal(t, di.ProbationWeight, di.ProbationWeightField)
require.Equal(t, di.ProtectedWeight, di.ProtectedWeightField)
for i := 0; i < len(di.QueueWeight); i++ {
require.Equal(t, di.QueueWeight[i], di.QueueWeightField[i])
}
client.store.RangeEntry(func(entry *internal.Entry[uint64, uint64]) {
require.Equal(t, entry.Weight(), entry.PolicyWeight(), entry.Position())
})
client.Close()
}
}