feat(agent): 完成 HTTPS 自动端口、证书轮换与防火墙辅助并发布 v1.5.0

internal/frp/agent_tunnel_test.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"net"
 	"testing"
+	"time"
 )
 
 func TestAgentTunnelBindsLoopbackAndReleasesPort(t *testing.T) {
@@ -23,8 +24,8 @@ func TestAgentTunnelBindsLoopbackAndReleasesPort(t *testing.T) {
 		t.Fatal("隧道启动后本地端口应已被占用")
 	}
 	state, _ := tunnel.State()
-	if state != "connected" {
-		t.Fatalf("state=%q, want connected", state)
+	if state != "connected" && state != "reconnecting" {
+		t.Fatalf("state=%q, want connected 或 reconnecting", state)
 	}
 	tunnel.Stop()
 	if listener, err := net.Listen("tcp", fmt.Sprintf("127.0.0.1:%d", port)); err != nil {
@@ -33,3 +34,20 @@ func TestAgentTunnelBindsLoopbackAndReleasesPort(t *testing.T) {
 		_ = listener.Close()
 	}
 }
+
+func TestNextTunnelBackoff(t *testing.T) {
+	cases := []struct {
+		in   time.Duration
+		want time.Duration
+	}{
+		{0, agentTunnelBackoffMin},
+		{time.Second, 2 * time.Second},
+		{40 * time.Second, agentTunnelBackoffMax},
+		{agentTunnelBackoffMax, agentTunnelBackoffMax},
+	}
+	for _, tc := range cases {
+		if got := nextTunnelBackoff(tc.in); got != tc.want {
+			t.Fatalf("nextTunnelBackoff(%v) = %v, 期望 %v", tc.in, got, tc.want)
+		}
+	}
+}