From bb01740321fbaa7ea75b4de69d7a91c61c5e96ec Mon Sep 17 00:00:00 2001
From: DanB <danb@cgrates.org>
Date: Tue, 10 Feb 2015 16:39:10 +0100
Subject: [PATCH] RSRField filter checking empty values

---
 utils/rsrfield.go      |  3 ---
 utils/rsrfield_test.go | 10 ++++++++++
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/utils/rsrfield.go b/utils/rsrfield.go
index c91f6ae1d..488e1131d 100644
--- a/utils/rsrfield.go
+++ b/utils/rsrfield.go
@@ -89,9 +89,6 @@ func (rsrf *RSRField) ParseValue(value string) string {
 	if len(rsrf.staticValue) != 0 { // Enforce parsing of static values
 		return rsrf.staticValue
 	}
-	if len(value) == 0 {
-		return value
-	}
 	for _, rsRule := range rsrf.RSRules {
 		if rsRule != nil {
 			value = rsRule.Process(value)
diff --git a/utils/rsrfield_test.go b/utils/rsrfield_test.go
index 3fbdabe95..dc9eaccad 100644
--- a/utils/rsrfield_test.go
+++ b/utils/rsrfield_test.go
@@ -195,4 +195,14 @@ func TestFilterPasses(t *testing.T) {
 	if rl.FilterPasses("0031ABOC0630415354") {
 		t.Error("Passing filter")
 	}
+	rl, err = NewRSRField(`~1:s/^$/_empty_/(_empty_)`)
+	if err != nil {
+		t.Error("Unexpected error: ", err)
+	}
+	if !rl.FilterPasses("") {
+		t.Error("Not passing filter")
+	}
+	if rl.FilterPasses("Non empty") {
+		t.Error("Passing filter")
+	}
 }