[cache] add app-wide prefix

Author: capcom6

internal/sms-gateway/cache/factory.go

@@ -8,6 +8,10 @@ import (
 	"github.com/android-sms-gateway/server/pkg/cache"
 )
 
+const (
+	keyPrefix = "sms-gateway:"
+)
+
 type Cache = cache.Cache
 
 type Factory interface {
@@ -52,5 +56,5 @@ func NewFactory(config Config) (Factory, error) {
 
 // New implements Factory.
 func (f *factory) New(name string) (cache.Cache, error) {
-	return f.new(name)
+	return f.new(keyPrefix + name)
 }

pkg/cache/memory_edge_test.go

@@ -241,7 +241,7 @@ func TestMemoryCache_RapidOperations(t *testing.T) {
 		} else {
 			key := "rapid-key-" + strconv.Itoa(i-1)
 			_, err := c.Get(ctx, key)
-			if err != nil && err != cache.ErrKeyNotFound {
+			if err != nil {
 				t.Errorf("Get failed: %v", err)
 			}
 		}

pkg/cache/memory_profile_test.go

@@ -189,10 +189,10 @@ func TestMemoryCache_GCStress(t *testing.T) {
 		runtime.GC()
 
 		// Verify cache operations still work
-		for j := 0; j < 100; j++ {
+		for j := range 100 {
 			key := "gc-key-" + strconv.Itoa(j)
 			_, err := c.Get(ctx, key)
-			if err != nil && err != cache.ErrKeyNotFound {
+			if err != nil {
 				t.Errorf("Get failed during GC stress test: %v", err)
 			}
 		}