wheat-cache/pkg/lru/lru_test.go

103 lines
1.9 KiB
Go

package lru
import (
"fmt"
"testing"
"time"
"gitee.com/timedb/wheatCache/pkg/proto"
"gitee.com/timedb/wheatCache/pkg/structure/stringx"
"github.com/stretchr/testify/require"
)
func TestNewLRUCache(t *testing.T) {
cache := NewLRUCache()
v1 := stringx.NewStringSingle()
v2 := stringx.NewStringSingle()
v3 := stringx.NewStringSingle()
key1 := proto.BaseKey{
Key: "1",
}
key2 := proto.BaseKey{
Key: "2",
}
key3 := proto.BaseKey{
Key: "3",
}
cache.Add(&key1, v1)
cache.Add(&key2, v2)
cache.Add(&key3, v3)
cache.Add(&key1, v1)
fmt.Println(cache.nowSize)
cache.Del()
fmt.Println(cache.nowSize)
_, isTrue := cache.Get(&key1)
require.Equal(t, isTrue, true)
}
func TestNewLRUCache2(t *testing.T) {
//根据key删除
cache := NewLRUCache()
v1 := stringx.NewStringSingle()
v2 := stringx.NewStringSingle()
v3 := stringx.NewStringSingle()
key1 := proto.BaseKey{
Key: "1",
}
key2 := proto.BaseKey{
Key: "2",
}
key3 := proto.BaseKey{
Key: "3",
}
cache.Add(&key1, v1)
cache.Add(&key2, v2)
cache.Add(&key3, v3)
cache.DelByKey(&key1)
_, ok := cache.Get(&key1)
require.Equal(t, ok, false)
require.Error(t, cache.DelByKey(&key1))
}
func TestLruProcess(t *testing.T) {
lru := NewLRUCache()
lru.clearSize = 1000
for i := 100; i < 200; i++ {
lru.Add(&proto.BaseKey{
Key: fmt.Sprint(i),
Ttl: 20 << 2,
}, stringx.NewStringSingle())
}
// mock LruKey
for i := 0; i < 100; i++ {
lru.Add(&proto.BaseKey{
Key: fmt.Sprint(i),
Ttl: 4,
}, stringx.NewStringSingle())
}
require.Equal(t, lru.nowSize, int64(200*8))
// 自动清理测试
time.Sleep(3 * time.Second)
fmt.Println(lru.nowSize)
require.Less(t, lru.nowSize, lru.clearSize+1)
// TTL 测试
time.Sleep(2 * time.Second)
require.Equal(t, lru.li.Len(), 25)
// 过期全部的 Key
for i := 100; i < 200; i++ {
lru.UpdateTTl(&proto.BaseKey{
Key: fmt.Sprint(i),
Ttl: -1,
})
}
time.Sleep(2 * time.Second)
require.Equal(t, lru.nowSize, int64(0))
}