feat: implement VPN platform management and real protocol services

backend/internal/service/frp/frp_test.go

@@ -0,0 +1,37 @@
+package frp
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestValidateMultipleHTTPAndTCPProxies(t *testing.T) {
+	s := New()
+	cfg, err := s.Validate(map[string]interface{}{
+		"mode":        "client",
+		"server_addr": "frps.example.com",
+		"proxies": []interface{}{
+			map[string]interface{}{"name": "ssh", "type": "tcp", "local_port": float64(22), "remote_port": float64(2222)},
+			map[string]interface{}{"name": "web", "type": "https", "local_port": float64(443), "custom_domains": []interface{}{"vpn.example.com"}},
+		},
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	text := s.frpcConfig(cfg, "test-token")
+	for _, expected := range []string{"name = \"ssh\"", "remotePort = 2222", "name = \"web\"", "customDomains = [\"vpn.example.com\"]"} {
+		if !strings.Contains(text, expected) {
+			t.Errorf("generated config missing %q:\n%s", expected, text)
+		}
+	}
+}
+
+func TestHTTPProxyNeedsDomain(t *testing.T) {
+	_, err := New().Validate(map[string]interface{}{
+		"mode": "client", "server_addr": "127.0.0.1",
+		"proxies": []interface{}{map[string]interface{}{"name": "web", "type": "http", "local_port": float64(8080)}},
+	})
+	if err == nil {
+		t.Fatal("expected HTTP domain validation error")
+	}
+}