initial import from /x/ monorepo

Signed-off-by: Xe Iaso <me@xeiaso.net>

cmd/anubis/internal/dnsbl/dnsbl_test.go

@@ -0,0 +1,55 @@
+package dnsbl
+
+import (
+	"fmt"
+	"net"
+	"testing"
+)
+
+func TestReverse4(t *testing.T) {
+	cases := []struct {
+		inp, out string
+	}{
+		{"1.2.3.4", "4.3.2.1"},
+	}
+
+	for _, cs := range cases {
+		t.Run(fmt.Sprintf("%s->%s", cs.inp, cs.out), func(t *testing.T) {
+			out := reverse4(net.ParseIP(cs.inp))
+
+			if out != cs.out {
+				t.Errorf("wanted %s\ngot:   %s", cs.out, out)
+			}
+		})
+	}
+}
+
+func TestReverse6(t *testing.T) {
+	cases := []struct {
+		inp, out string
+	}{
+		{
+			inp: "1234:5678:9ABC:DEF0:1234:5678:9ABC:DEF0",
+			out: "0.f.e.d.c.b.a.9.8.7.6.5.4.3.2.1.0.f.e.d.c.b.a.9.8.7.6.5.4.3.2.1",
+		},
+	}
+
+	for _, cs := range cases {
+		t.Run(fmt.Sprintf("%s->%s", cs.inp, cs.out), func(t *testing.T) {
+			out := reverse6(net.ParseIP(cs.inp))
+
+			if out != cs.out {
+				t.Errorf("wanted %s, got: %s", cs.out, out)
+			}
+		})
+	}
+}
+
+func TestLookup(t *testing.T) {
+	resp, err := Lookup("27.65.243.194")
+	if err != nil {
+		t.Fatalf("it broked: %v", err)
+	}
+
+	t.Logf("response: %d", resp)
+}