frontend: resolve asn in dns/whois/fail order & fix tests

frontend/whois_test.go

@@ -0,0 +1,22 @@
+package main
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestWhois(t *testing.T) {
+	setting.whoisServer = "whois.arin.net"
+	result := whois("AS6939")
+	if !strings.Contains(result, "HURRICANE") {
+		t.Errorf("Whois AS6939 failed, got %s", result)
+	}
+}
+
+func TestWhoisWithoutServer(t *testing.T) {
+	setting.whoisServer = ""
+	result := whois("AS6939")
+	if result != "" {
+		t.Errorf("Whois AS6939 without server produced output, got %s", result)
+	}
+}