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cache_test.go
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cache_test.go
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package rueidis
import (
"context"
"errors"
"testing"
"time"
)
func test(t *testing.T, storeFn func() CacheStore) {
t.Run("Flight and Update", func(t *testing.T) {
var err error
var now = time.Now()
var store = storeFn()
v, e := store.Flight("key", "cmd", time.Millisecond*100, now)
if v.typ != 0 || e != nil {
t.Fatal("first flight should return empty RedisMessage and nil CacheEntry")
}
v, e = store.Flight("key", "cmd", time.Millisecond*100, now)
if v.typ != 0 || e == nil {
t.Fatal("flights before Update should return empty RedisMessage and non-nil CacheEntry")
}
store.Delete([]RedisMessage{{typ: '+', string: "key"}}) // Delete should not affect pending CacheEntry
v2, e2 := store.Flight("key", "cmd", time.Millisecond*100, now)
if v2.typ != 0 || e != e2 {
t.Fatal("flights before Update should return empty RedisMessage and the same CacheEntry, not be affected by Delete")
}
v = RedisMessage{typ: '+', string: "val"}
v.setExpireAt(now.Add(time.Second).UnixMilli())
if pttl := store.Update("key", "cmd", v); pttl < now.Add(90*time.Millisecond).UnixMilli() || pttl > now.Add(100*time.Millisecond).UnixMilli() {
t.Fatal("Update should return a desired pttl")
}
v2, err = e.Wait(context.Background())
if v2.typ != v.typ || v2.string != v.string || err != nil {
t.Fatal("unexpected cache response")
}
if pttl := v2.CachePXAT(); pttl < now.Add(90*time.Millisecond).UnixMilli() || pttl > now.Add(100*time.Millisecond).UnixMilli() {
t.Fatal("CachePXAT should return a desired pttl")
}
v2, _ = store.Flight("key", "cmd", time.Millisecond*100, now)
if v2.typ != v.typ || v2.string != v.string {
t.Fatal("flights after Update should return updated RedisMessage")
}
if pttl := v2.CachePXAT(); pttl < now.Add(90*time.Millisecond).UnixMilli() || pttl > now.Add(100*time.Millisecond).UnixMilli() {
t.Fatal("CachePXAT should return a desired pttl")
}
store.Delete([]RedisMessage{{typ: '+', string: "key"}})
v, e = store.Flight("key", "cmd", time.Millisecond*100, now)
if v.typ != 0 || e != nil {
t.Fatal("flights after Delete should return empty RedisMessage and nil CacheEntry")
}
})
t.Run("Flight and Cancel", func(t *testing.T) {
var err error
var now = time.Now()
var store = storeFn()
v, e := store.Flight("key", "cmd", time.Millisecond*100, now)
if v.typ != 0 || e != nil {
t.Fatal("first flight should return empty RedisMessage and nil CacheEntry")
}
v, e = store.Flight("key", "cmd", time.Millisecond*100, now)
if v.typ != 0 || e == nil {
t.Fatal("flights before Update should return empty RedisMessage and non-nil CacheEntry")
}
store.Delete([]RedisMessage{{typ: '+', string: "key"}}) // Delete should not affect pending CacheEntry
v2, e2 := store.Flight("key", "cmd", time.Millisecond*100, now)
if v2.typ != 0 || e != e2 {
t.Fatal("flights before Update should return empty RedisMessage and the same CacheEntry, not be affected by Delete")
}
store.Cancel("key", "cmd", errors.New("err"))
v2, err = e.Wait(context.Background())
if err.Error() != "err" {
t.Fatal("unexpected cache response")
}
v, e = store.Flight("key", "cmd", time.Millisecond*100, now)
if v.typ != 0 || e != nil {
t.Fatal("flights after Cancel should return empty RedisMessage and nil CacheEntry")
}
})
t.Run("Flight and Delete", func(t *testing.T) {
var now = time.Now()
var store = storeFn()
for _, deletions := range [][]RedisMessage{
{{typ: '+', string: "key"}},
nil,
} {
store.Flight("key", "cmd1", time.Millisecond*100, now)
store.Flight("key", "cmd2", time.Millisecond*100, now)
store.Update("key", "cmd1", RedisMessage{typ: '+', string: "val"})
store.Update("key", "cmd2", RedisMessage{typ: '+', string: "val"})
store.Delete(deletions)
if v, e := store.Flight("key", "cmd1", time.Millisecond*100, now); v.typ != 0 || e != nil {
t.Fatal("flight after delete should return empty RedisMessage and nil CacheEntry")
}
if v, e := store.Flight("key", "cmd2", time.Millisecond*100, now); v.typ != 0 || e != nil {
t.Fatal("flight after delete should return empty RedisMessage and nil CacheEntry")
}
}
})
t.Run("Flight and TTL", func(t *testing.T) {
var now = time.Now()
var store = storeFn()
v, e := store.Flight("key", "cmd", time.Second, now)
if v.typ != 0 || e != nil {
t.Fatal("first flight should return empty RedisMessage and nil CacheEntry")
}
v = RedisMessage{typ: '+', string: "val"}
v.setExpireAt(now.Add(time.Millisecond).UnixMilli())
store.Update("key", "cmd", v)
v, e = store.Flight("key", "cmd", time.Second, now.Add(time.Millisecond))
if v.typ != 0 || e != nil {
t.Fatal("flight after TTL should return empty RedisMessage and nil CacheEntry")
}
})
t.Run("Flight and Close", func(t *testing.T) {
var now = time.Now()
var store = storeFn()
_, _ = store.Flight("key", "cmd", time.Millisecond*100, now)
_, e := store.Flight("key", "cmd", time.Millisecond*100, now)
store.Close(errors.New("err"))
if _, err := e.Wait(context.Background()); err.Error() != "err" {
t.Fatal("unexpected cache response")
}
_, e = store.Flight("key", "cmd", time.Millisecond*100, now)
if e != nil {
t.Fatal("flight after Close should return empty RedisMessage and nil CacheEntry")
}
})
t.Run("Flight timeout", func(t *testing.T) {
var now = time.Now()
var store = storeFn()
_, _ = store.Flight("key", "cmd", time.Millisecond*100, now)
_, e := store.Flight("key", "cmd", time.Millisecond*100, now)
ctx, cancel := context.WithCancel(context.Background())
cancel()
if _, err := e.Wait(ctx); err != context.Canceled {
t.Fatal("Wait should honor context")
}
})
}
func TestCacheStore(t *testing.T) {
t.Run("LRUCacheStore", func(t *testing.T) {
test(t, func() CacheStore {
return newLRU(CacheStoreOption{CacheSizeEachConn: DefaultCacheBytes})
})
})
t.Run("SimpleCache", func(t *testing.T) {
test(t, func() CacheStore {
return NewSimpleCacheAdapter(&simple{store: map[string]RedisMessage{}})
})
})
}
type simple struct {
store map[string]RedisMessage
}
func (s *simple) Get(key string) RedisMessage {
return s.store[key]
}
func (s *simple) Set(key string, val RedisMessage) {
s.store[key] = val
}
func (s *simple) Del(key string) {
delete(s.store, key)
}
func (s *simple) Flush() {
s.store = nil
}