65 lines
1.5 KiB
Go
65 lines
1.5 KiB
Go
package lru_test
|
|
|
|
import (
|
|
"sandc/pkg/cache/memcache/policy/lru"
|
|
"testing"
|
|
)
|
|
|
|
func TestSet(t *testing.T) {
|
|
// set capacity is 1
|
|
cache := lru.NewCache[string, int](lru.WithCapacity(1))
|
|
cache.Set("foo", 1)
|
|
if got := cache.Len(); got != 1 {
|
|
t.Fatalf("invalid length: %d", got)
|
|
}
|
|
if got, ok := cache.Get("foo"); got != 1 || !ok {
|
|
t.Fatalf("invalid value got %d, cachehit %v", got, ok)
|
|
}
|
|
|
|
// if over the cap
|
|
cache.Set("bar", 2)
|
|
if got := cache.Len(); got != 1 {
|
|
t.Fatalf("invalid length: %d", got)
|
|
}
|
|
bar, ok := cache.Get("bar")
|
|
if bar != 2 || !ok {
|
|
t.Fatalf("invalid value bar %d, cachehit %v", bar, ok)
|
|
}
|
|
|
|
// checks deleted oldest
|
|
if _, ok := cache.Get("foo"); ok {
|
|
t.Fatalf("invalid delete oldest value foo %v", ok)
|
|
}
|
|
|
|
// valid: if over the cap but same key
|
|
cache.Set("bar", 100)
|
|
if got := cache.Len(); got != 1 {
|
|
t.Fatalf("invalid length: %d", got)
|
|
}
|
|
bar, ok = cache.Get("bar")
|
|
if bar != 100 || !ok {
|
|
t.Fatalf("invalid replacing value bar %d, cachehit %v", bar, ok)
|
|
}
|
|
}
|
|
|
|
func TestDelete(t *testing.T) {
|
|
cache := lru.NewCache[string, int](lru.WithCapacity(1))
|
|
cache.Set("foo", 1)
|
|
if got := cache.Len(); got != 1 {
|
|
t.Fatalf("invalid length: %d", got)
|
|
}
|
|
|
|
cache.Delete("foo2")
|
|
if got := cache.Len(); got != 1 {
|
|
t.Fatalf("invalid length after deleted does not exist key: %d", got)
|
|
}
|
|
|
|
cache.Delete("foo")
|
|
if got := cache.Len(); got != 0 {
|
|
t.Fatalf("invalid length after deleted: %d", got)
|
|
}
|
|
if _, ok := cache.Get("foo"); ok {
|
|
t.Fatalf("invalid get after deleted %v", ok)
|
|
}
|
|
}
|