fix(config): actually load threshold config (#696)

* fix(config): actually load threshold config

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

* chore: spelling

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

* test(lib): fix test failures

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

---------

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

lib/policy/config/asn_test.go

@@ -0,0 +1,55 @@
+package config
+
+import (
+	"errors"
+	"fmt"
+	"testing"
+)
+
+func TestASNsValid(t *testing.T) {
+	for _, tt := range []struct {
+		name  string
+		input *ASNs
+		err   error
+	}{
+		{
+			name: "basic valid",
+			input: &ASNs{
+				Match: []uint32{13335}, // Cloudflare
+			},
+		},
+		{
+			name: "private ASN",
+			input: &ASNs{
+				Match: []uint32{64513, 4206942069}, // 16 and 32 bit private ASN
+			},
+			err: ErrPrivateASN,
+		},
+	} {
+		t.Run(tt.name, func(t *testing.T) {
+			if err := tt.input.Valid(); !errors.Is(err, tt.err) {
+				t.Logf("want: %v", tt.err)
+				t.Logf("got:  %v", err)
+				t.Error("got wrong validation error")
+			}
+		})
+	}
+}
+
+func TestIsPrivateASN(t *testing.T) {
+	for _, tt := range []struct {
+		input  uint32
+		output bool
+	}{
+		{13335, false},     // Cloudflare
+		{64513, true},      // 16 bit private ASN
+		{4206942069, true}, // 32 bit private ASN
+	} {
+		t.Run(fmt.Sprint(tt.input, "->", tt.output), func(t *testing.T) {
+			result := isPrivateASN(tt.input)
+			if result != tt.output {
+				t.Errorf("wanted isPrivateASN(%d) == %v, got: %v", tt.input, tt.output, result)
+			}
+		})
+	}
+}