初版功能完成

2026-08-29 13:12:17 +08:00
commit 142e5dc7d6
217 changed files with 21313 additions and 0 deletions
@@ -0,0 +1,55 @@
+package route
+
+import (
+	"net/netip"
+	"testing"
+)
+
+func TestConflictsIgnoresDefaultAndRemLink(t *testing.T) {
+	entries := []Entry{
+		{InterfaceLUID: 1, Destination: netip.MustParsePrefix("0.0.0.0/0"), NextHop: netip.MustParseAddr("192.0.2.1")},
+		{InterfaceLUID: 2, Destination: netip.MustParsePrefix("192.168.0.0/16")},
+		{InterfaceLUID: 99, Destination: netip.MustParsePrefix("192.168.13.0/24")},
+	}
+	conflicts := ConflictsFrom(entries, netip.MustParsePrefix("192.168.13.0/24"), 99)
+	if len(conflicts) != 1 || conflicts[0].Destination.String() != "192.168.0.0/16" {
+		t.Fatalf("conflicts = %+v", conflicts)
+	}
+}
+
+func TestLookupClassifications(t *testing.T) {
+	overlay := netip.MustParsePrefix("10.88.0.0/16")
+	entries := []Entry{
+		{InterfaceLUID: 1, Destination: netip.MustParsePrefix("0.0.0.0/0"), NextHop: netip.MustParseAddr("192.0.2.1")},
+		{InterfaceLUID: 2, Destination: netip.MustParsePrefix("192.168.13.0/24"), NextHop: netip.IPv4Unspecified()},
+		{InterfaceLUID: 3, Destination: netip.MustParsePrefix("172.16.0.0/16"), NextHop: netip.MustParseAddr("192.0.2.254")},
+	}
+	for _, test := range []struct {
+		target string
+		want   LookupResult
+	}{
+		{"10.88.0.5", LookupOverlayConflict},
+		{"192.168.13.10", LookupDirect},
+		{"172.16.4.2", LookupRouted},
+		{"8.8.8.8", LookupDefaultOnly},
+	} {
+		if got := LookupFrom(entries, netip.MustParseAddr(test.target), overlay, 99); got != test.want {
+			t.Errorf("LookupFrom(%s) = %s, want %s", test.target, got, test.want)
+		}
+	}
+	if got := LookupFrom(nil, netip.MustParseAddr("192.168.1.2"), overlay, 99); got != LookupNoRoute {
+		t.Fatalf("empty route lookup = %s", got)
+	}
+}
+
+func TestValidateRemote(t *testing.T) {
+	overlay := netip.MustParsePrefix("10.88.0.0/16")
+	for _, invalid := range []string{"0.0.0.0/0", "10.88.5.0/24"} {
+		if err := validateRemote(netip.MustParsePrefix(invalid), overlay); err == nil {
+			t.Errorf("validateRemote accepted %s", invalid)
+		}
+	}
+	if err := validateRemote(netip.MustParsePrefix("192.168.13.0/24"), overlay); err != nil {
+		t.Fatal(err)
+	}
+}