Change utils.PrefixSliceItems function signature to start with prefix

engine/resources.go

@@ -297,7 +297,7 @@ func (rs Resources) resIDsMp() (mp utils.StringSet) {
 	return mp
 }
 
-func (rs Resources) tenatIDs() []string {
+func (rs Resources) tenantIDs() []string {
 	ids := make([]string, len(rs))
 	for i, r := range rs {
 		ids[i] = r.TenantID()

engine/z_resources_test.go

@@ -2236,7 +2236,7 @@ func TestResourceResIDsMp(t *testing.T) {
 		t.Errorf("Expecting: %+v, received: %+v", expected, rcv)
 	}
 }
-func TestResourceTenatIDs(t *testing.T) {
+func TestResourceTenantIDs(t *testing.T) {
 	resprf := []*ResourceProfile{
 		{
 			Tenant:    config.CgrConfig().GeneralCfg().DefaultTenant,
@@ -2306,7 +2306,7 @@ func TestResourceTenatIDs(t *testing.T) {
 		"cgrates.org:ResourceProfile2",
 		"cgrates.org:ResourceProfile3",
 	}
-	if rcv := resourceTest.tenatIDs(); !reflect.DeepEqual(rcv, expected) {
+	if rcv := resourceTest.tenantIDs(); !reflect.DeepEqual(rcv, expected) {
 		t.Errorf("Expecting: %+v, received: %+v", expected, rcv)
 	}
 }

utils/slice.go

@@ -37,10 +37,12 @@ func SliceHasMember(ss []string, s string) bool {
 }
 
 // PrefixSliceItems iterates through slice and add a prefix before every element
-func PrefixSliceItems(slc []string, prfx string) (out []string) {
-	out = make([]string, len(slc))
-	for i, itm := range slc {
-		out[i] = prfx + itm
+func PrefixSliceItems(prfx string, slc []string) (out []string) {
+	out = make([]string, 0, len(slc))
+	for _, itm := range slc {
+		if itm != EmptyString {
+			out = append(out, prfx+itm)
+		}
 	}
 	return
 }

utils/slice_test.go

@@ -60,7 +60,7 @@ func TestHasPrefixSlice(t *testing.T) {
 }
 
 func TestPrefixSliceItems(t *testing.T) {
-	rcv := PrefixSliceItems([]string{"1", "2", "3", "4", "5"}, "*")
+	rcv := PrefixSliceItems("*", []string{"1", "2", "3", "4", "5"})
 	sort.Strings(rcv)
 	eOut := []string{"*1", "*2", "*3", "*4", "*5"}
 	if !reflect.DeepEqual(eOut, rcv) {