Chore: remove old cache implementation
This commit is contained in:
106
common/cache/cache.go
vendored
106
common/cache/cache.go
vendored
@ -1,106 +0,0 @@
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package cache
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import (
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"runtime"
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"sync"
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"time"
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)
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// Cache store element with a expired time
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type Cache struct {
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*cache
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}
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type cache struct {
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mapping sync.Map
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janitor *janitor
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}
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type element struct {
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Expired time.Time
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Payload any
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}
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// Put element in Cache with its ttl
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func (c *cache) Put(key any, payload any, ttl time.Duration) {
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c.mapping.Store(key, &element{
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Payload: payload,
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Expired: time.Now().Add(ttl),
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})
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}
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// Get element in Cache, and drop when it expired
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func (c *cache) Get(key any) any {
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item, exist := c.mapping.Load(key)
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if !exist {
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return nil
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}
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elm := item.(*element)
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// expired
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if time.Since(elm.Expired) > 0 {
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c.mapping.Delete(key)
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return nil
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}
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return elm.Payload
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}
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// GetWithExpire element in Cache with Expire Time
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func (c *cache) GetWithExpire(key any) (payload any, expired time.Time) {
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item, exist := c.mapping.Load(key)
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if !exist {
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return
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}
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elm := item.(*element)
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// expired
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if time.Since(elm.Expired) > 0 {
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c.mapping.Delete(key)
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return
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}
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return elm.Payload, elm.Expired
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}
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func (c *cache) cleanup() {
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c.mapping.Range(func(k, v any) bool {
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key := k.(string)
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elm := v.(*element)
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if time.Since(elm.Expired) > 0 {
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c.mapping.Delete(key)
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}
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return true
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})
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}
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type janitor struct {
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interval time.Duration
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stop chan struct{}
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}
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func (j *janitor) process(c *cache) {
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ticker := time.NewTicker(j.interval)
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for {
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select {
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case <-ticker.C:
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c.cleanup()
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case <-j.stop:
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ticker.Stop()
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return
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}
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}
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}
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func stopJanitor(c *Cache) {
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c.janitor.stop <- struct{}{}
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}
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// New return *Cache
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func New(interval time.Duration) *Cache {
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j := &janitor{
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interval: interval,
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stop: make(chan struct{}),
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}
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c := &cache{janitor: j}
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go j.process(c)
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C := &Cache{c}
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runtime.SetFinalizer(C, stopJanitor)
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return C
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}
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70
common/cache/cache_test.go
vendored
70
common/cache/cache_test.go
vendored
@ -1,70 +0,0 @@
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package cache
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import (
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"runtime"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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)
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func TestCache_Basic(t *testing.T) {
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interval := 200 * time.Millisecond
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ttl := 20 * time.Millisecond
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c := New(interval)
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c.Put("int", 1, ttl)
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c.Put("string", "a", ttl)
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i := c.Get("int")
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assert.Equal(t, i.(int), 1, "should recv 1")
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s := c.Get("string")
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assert.Equal(t, s.(string), "a", "should recv 'a'")
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}
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func TestCache_TTL(t *testing.T) {
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interval := 200 * time.Millisecond
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ttl := 20 * time.Millisecond
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now := time.Now()
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c := New(interval)
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c.Put("int", 1, ttl)
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c.Put("int2", 2, ttl)
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i := c.Get("int")
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_, expired := c.GetWithExpire("int2")
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assert.Equal(t, i.(int), 1, "should recv 1")
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assert.True(t, now.Before(expired))
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time.Sleep(ttl * 2)
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i = c.Get("int")
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j, _ := c.GetWithExpire("int2")
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assert.Nil(t, i, "should recv nil")
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assert.Nil(t, j, "should recv nil")
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}
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func TestCache_AutoCleanup(t *testing.T) {
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interval := 10 * time.Millisecond
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ttl := 15 * time.Millisecond
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c := New(interval)
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c.Put("int", 1, ttl)
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time.Sleep(ttl * 2)
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i := c.Get("int")
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j, _ := c.GetWithExpire("int")
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assert.Nil(t, i, "should recv nil")
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assert.Nil(t, j, "should recv nil")
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}
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func TestCache_AutoGC(t *testing.T) {
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sign := make(chan struct{})
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go func() {
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interval := 10 * time.Millisecond
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ttl := 15 * time.Millisecond
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c := New(interval)
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c.Put("int", 1, ttl)
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sign <- struct{}{}
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}()
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<-sign
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runtime.GC()
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}
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4
common/cache/lrucache.go
vendored
4
common/cache/lrucache.go
vendored
@ -64,8 +64,8 @@ type LruCache struct {
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onEvict EvictCallback
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}
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// NewLRUCache creates an LruCache
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func NewLRUCache(options ...Option) *LruCache {
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// New creates an LruCache
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func New(options ...Option) *LruCache {
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lc := &LruCache{
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lru: list.New(),
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cache: make(map[any]*list.Element),
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20
common/cache/lrucache_test.go
vendored
20
common/cache/lrucache_test.go
vendored
@ -19,7 +19,7 @@ var entries = []struct {
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}
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func TestLRUCache(t *testing.T) {
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c := NewLRUCache()
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c := New()
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for _, e := range entries {
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c.Set(e.key, e.value)
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@ -45,7 +45,7 @@ func TestLRUCache(t *testing.T) {
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}
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func TestLRUMaxAge(t *testing.T) {
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c := NewLRUCache(WithAge(86400))
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c := New(WithAge(86400))
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now := time.Now().Unix()
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expected := now + 86400
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@ -88,7 +88,7 @@ func TestLRUMaxAge(t *testing.T) {
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}
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func TestLRUpdateOnGet(t *testing.T) {
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c := NewLRUCache(WithAge(86400), WithUpdateAgeOnGet())
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c := New(WithAge(86400), WithUpdateAgeOnGet())
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now := time.Now().Unix()
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expires := now + 86400/2
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@ -103,7 +103,7 @@ func TestLRUpdateOnGet(t *testing.T) {
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}
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func TestMaxSize(t *testing.T) {
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c := NewLRUCache(WithSize(2))
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c := New(WithSize(2))
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// Add one expired entry
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c.Set("foo", "bar")
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_, ok := c.Get("foo")
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@ -117,7 +117,7 @@ func TestMaxSize(t *testing.T) {
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}
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func TestExist(t *testing.T) {
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c := NewLRUCache(WithSize(1))
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c := New(WithSize(1))
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c.Set(1, 2)
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assert.True(t, c.Exist(1))
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c.Set(2, 3)
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@ -130,7 +130,7 @@ func TestEvict(t *testing.T) {
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temp = key.(int) + value.(int)
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}
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c := NewLRUCache(WithEvict(evict), WithSize(1))
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c := New(WithEvict(evict), WithSize(1))
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c.Set(1, 2)
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c.Set(2, 3)
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@ -138,7 +138,7 @@ func TestEvict(t *testing.T) {
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}
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func TestSetWithExpire(t *testing.T) {
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c := NewLRUCache(WithAge(1))
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c := New(WithAge(1))
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now := time.Now().Unix()
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tenSecBefore := time.Unix(now-10, 0)
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@ -152,7 +152,7 @@ func TestSetWithExpire(t *testing.T) {
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}
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func TestStale(t *testing.T) {
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c := NewLRUCache(WithAge(1), WithStale(true))
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c := New(WithAge(1), WithStale(true))
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now := time.Now().Unix()
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tenSecBefore := time.Unix(now-10, 0)
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@ -165,11 +165,11 @@ func TestStale(t *testing.T) {
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}
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func TestCloneTo(t *testing.T) {
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o := NewLRUCache(WithSize(10))
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o := New(WithSize(10))
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o.Set("1", 1)
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o.Set("2", 2)
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n := NewLRUCache(WithSize(2))
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n := New(WithSize(2))
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n.Set("3", 3)
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n.Set("4", 4)
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