frontend: use ASN as bgpmap node identifier (instead of resolved whois result)

frontend/asn_cache_test.go

@@ -0,0 +1,40 @@
+package main
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestGetASNRepresentationDNS(t *testing.T) {
+	checkNetwork(t)
+
+	setting.dnsInterface = "asn.cymru.com"
+	setting.whoisServer = ""
+	cache := make(ASNCache)
+	result := cache.Lookup("6939")
+	if !strings.Contains(result, "HURRICANE") {
+		t.Errorf("Lookup AS6939 failed, got %s", result)
+	}
+}
+
+func TestGetASNRepresentationWhois(t *testing.T) {
+	checkNetwork(t)
+
+	setting.dnsInterface = ""
+	setting.whoisServer = "whois.arin.net"
+	cache := make(ASNCache)
+	result := cache.Lookup("6939")
+	if !strings.Contains(result, "HURRICANE") {
+		t.Errorf("Lookup AS6939 failed, got %s", result)
+	}
+}
+
+func TestGetASNRepresentationFallback(t *testing.T) {
+	setting.dnsInterface = ""
+	setting.whoisServer = ""
+	cache := make(ASNCache)
+	result := cache.Lookup("6939")
+	if result != "AS6939" {
+		t.Errorf("Lookup AS6939 failed, got %s", result)
+	}
+}