added default value to 'receiver'

Author: jeevatkm

log.go

@@ -213,11 +213,7 @@ func Newc(cfg *config.Config) (Logger, error) {
 		return nil, errors.New("logger config is nil")
 	}
 
-	receiverType, found := cfg.String("receiver")
-	if !found {
-		return nil, errors.New("receiver configuration is required")
-	}
-	receiverType = strings.ToUpper(receiverType)
+	receiverType := strings.ToUpper(cfg.StringDefault("receiver", "CONSOLE"))
 
 	levelName := cfg.StringDefault("level", "DEBUG")
 	level := levelByName(levelName)

log_test.go

@@ -246,11 +246,6 @@ func TestNewMisc(t *testing.T) {
 		t.Errorf("Unexpected error: %v", err)
 	}
 
-	_, err = New(`level="info";`)
-	if !strings.HasPrefix(err.Error(), "receiver configuration") {
-		t.Errorf("Unexpected error: %v", err)
-	}
-
 	_, err = New(`receiver = "file"; level="unknown";`)
 	if !strings.HasPrefix(err.Error(), "unrecognized log level") {
 		t.Errorf("Unexpected error: %v", err)