Expand P2 test coverage: mining chain, spread lanes, path forge, WS/beacon, E2E onion, file handling

agent/client/pathtracer_windows_test.go

@@ -0,0 +1,66 @@
+//go:build windows
+
+package client
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestPathTracerWindowsBuildWGConfigDefaults(t *testing.T) {
+	conf := buildWGConfig("privkeyB64=", WGConfigPayload{
+		LocalAddress: "10.66.0.2/24",
+		ListenPort:   0,
+		Peers: []WGPeerEntry{{
+			PublicKey: "peerPub=",
+			Endpoint:  "203.0.113.5:51820",
+		}},
+	})
+	for _, want := range []string{
+		"[Interface]",
+		"PrivateKey = privkeyB64=",
+		"Address = 10.66.0.2/24",
+		"ListenPort = 51820",
+		"[Peer]",
+		"PublicKey = peerPub=",
+		"Endpoint = 203.0.113.5:51820",
+		"AllowedIPs = 0.0.0.0/0",
+		"PersistentKeepalive = 25",
+	} {
+		if !strings.Contains(conf, want) {
+			t.Errorf("config missing %q:\n%s", want, conf)
+		}
+	}
+}
+
+func TestPathTracerWindowsGenerateWGKeyPairDistinct(t *testing.T) {
+	priv1, pub1, err := generateWGKeyPair()
+	if err != nil {
+		t.Fatalf("generateWGKeyPair: %v", err)
+	}
+	priv2, pub2, err := generateWGKeyPair()
+	if err != nil {
+		t.Fatalf("generateWGKeyPair second call: %v", err)
+	}
+	if priv1 == "" || pub1 == "" {
+		t.Fatal("expected non-empty keypair")
+	}
+	if priv1 == priv2 || pub1 == pub2 {
+		t.Fatal("expected distinct keypairs across calls")
+	}
+}
+
+func TestPathTracerWindowsWGIsActiveFalseWhenIdle(t *testing.T) {
+	WGTeardown()
+	if WGIsActive() {
+		t.Fatal("WGIsActive should be false with no tunnel")
+	}
+}
+
+func TestPathTracerWindowsWGStatusNoTunnelWhenIdle(t *testing.T) {
+	WGTeardown()
+	status := WGStatus()
+	if !strings.Contains(status, "no active tunnel") {
+		t.Errorf("expected idle status, got %q", status)
+	}
+}