Handle empty values (#49)

Author: yannh

pkg/redisdump/redisdump.go

@@ -127,7 +127,7 @@ func RedisCmdSerializer(cmd []string) string {
 	buf := strings.Builder{}
 	buf.WriteString(fmt.Sprintf("%s", cmd[0]))
 	for i := 1; i < len(cmd); i++ {
-		if strings.Contains(cmd[i], " ") {
+		if strings.Contains(cmd[i], " ") || len(cmd[i]) == 0 {
 			buf.WriteString(fmt.Sprintf(" \"%s\"", cmd[i]))
 		} else {
 			buf.WriteString(fmt.Sprintf(" %s", cmd[i]))

pkg/redisdump/redisdump_test.go

@@ -214,6 +214,7 @@ func TestRedisCmdSerializer(t *testing.T) {
 		{command: []string{"HELLO"}, expected: "HELLO"},
 		{command: []string{"HGETALL", "key"}, expected: "HGETALL key"},
 		{command: []string{"SET", "key name 1", "key value 1"}, expected: "SET \"key name 1\" \"key value 1\""},
+		{command: []string{"SET", "key", ""}, expected: "SET key \"\""},
 		{command: []string{"HSET", "key1", "key value 1"}, expected: "HSET key1 \"key value 1\""},
 	}