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homelab-deploy/internal/mcp/tools_test.go
Torjus Håkestad fa49e9322a feat: implement NATS-based NixOS deployment system
Implement the complete homelab-deploy system with three operational modes:

- Listener mode: Runs on NixOS hosts as a systemd service, subscribes to
  NATS subjects with configurable templates, executes nixos-rebuild on
  deployment requests with concurrency control

- MCP mode: MCP server exposing deploy, deploy_admin, and list_hosts
  tools for AI assistants with tiered access control

- CLI mode: Manual deployment commands with subject alias support via
  environment variables

Key components:
- internal/messages: Request/response types with validation
- internal/nats: Client wrapper with NKey authentication
- internal/deploy: Executor with timeout and lock for concurrency
- internal/listener: Subject template expansion and request handling
- internal/cli: Deploy logic with alias resolution
- internal/mcp: MCP server with mcp-go integration
- nixos/module.nix: NixOS module with hardened systemd service

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-02-07 04:19:47 +01:00

65 lines
1.3 KiB
Go

package mcp
import (
"testing"
"time"
)
func TestNewToolHandler(t *testing.T) {
cfg := ToolConfig{
NATSUrl: "nats://localhost:4222",
NKeyFile: "/path/to/key",
AdminNKeyFile: "/path/to/admin/key",
DiscoverSubject: "deploy.discover",
Timeout: 10 * time.Minute,
}
h := NewToolHandler(cfg)
if h.cfg.NATSUrl != cfg.NATSUrl {
t.Errorf("NATSUrl = %q, want %q", h.cfg.NATSUrl, cfg.NATSUrl)
}
if h.cfg.NKeyFile != cfg.NKeyFile {
t.Errorf("NKeyFile = %q, want %q", h.cfg.NKeyFile, cfg.NKeyFile)
}
if h.cfg.Timeout != cfg.Timeout {
t.Errorf("Timeout = %v, want %v", h.cfg.Timeout, cfg.Timeout)
}
}
func TestDeployTool(t *testing.T) {
tool := DeployTool()
if tool.Name != "deploy" {
t.Errorf("Name = %q, want %q", tool.Name, "deploy")
}
if tool.Description == "" {
t.Error("Description should not be empty")
}
}
func TestDeployAdminTool(t *testing.T) {
tool := DeployAdminTool()
if tool.Name != "deploy_admin" {
t.Errorf("Name = %q, want %q", tool.Name, "deploy_admin")
}
if tool.Description == "" {
t.Error("Description should not be empty")
}
}
func TestListHostsTool(t *testing.T) {
tool := ListHostsTool()
if tool.Name != "list_hosts" {
t.Errorf("Name = %q, want %q", tool.Name, "list_hosts")
}
if tool.Description == "" {
t.Error("Description should not be empty")
}
}