feat(infra): auto-commit con 86 cambios

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-26 19:38:15 +02:00
parent de9bfec498
commit fe65c5e527
85 changed files with 11840 additions and 92 deletions
@@ -0,0 +1,160 @@
+package infra
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+)
+
+const wgTestSubnet = "10.42.0.0/24"
+
+// baseConfig es un [Interface] mínimo para simular wg0.conf vacío de peers.
+const wgBaseConfig = `[Interface]
+Address = 10.42.0.1/24
+PrivateKey = AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=
+ListenPort = 51820
+`
+
+func wgTempConfig(t *testing.T, content string) string {
+	t.Helper()
+	dir := t.TempDir()
+	p := filepath.Join(dir, "wg0.conf")
+	if err := os.WriteFile(p, []byte(content), 0600); err != nil {
+		t.Fatalf("wgTempConfig: %v", err)
+	}
+	return p
+}
+
+func init() {
+	// asegura que syncconf no se ejecuta en tests
+	os.Setenv("WG_SKIP_SYNCCONF", "1")
+}
+
+func TestWGPeerAdd(t *testing.T) {
+	t.Run("peer nuevo con AllowedIPs vacio asigna 10.42.0.2", func(t *testing.T) {
+		cfg := wgTempConfig(t, wgBaseConfig)
+		spec := WGPeerSpec{
+			DeviceID:  "pc-aurgi",
+			PublicKey: "BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB=",
+		}
+		res, err := WGPeerAdd(spec, cfg, wgTestSubnet)
+		if err != nil {
+			t.Fatalf("unexpected error: %v", err)
+		}
+		if res.AssignedIP != "10.42.0.2" {
+			t.Errorf("AssignedIP = %q, want 10.42.0.2", res.AssignedIP)
+		}
+		if res.Status != "added" {
+			t.Errorf("Status = %q, want added", res.Status)
+		}
+		if res.DeviceID != "pc-aurgi" {
+			t.Errorf("DeviceID = %q, want pc-aurgi", res.DeviceID)
+		}
+		// verificar que el bloque está en el archivo
+		raw, _ := os.ReadFile(cfg)
+		content := string(raw)
+		if !strings.Contains(content, "# DeviceID: pc-aurgi") {
+			t.Errorf("config missing DeviceID comment, got:\n%s", content)
+		}
+		if !strings.Contains(content, "AllowedIPs = 10.42.0.2/32") {
+			t.Errorf("config missing AllowedIPs, got:\n%s", content)
+		}
+	})
+
+	t.Run("agregar segundo peer asigna 10.42.0.3", func(t *testing.T) {
+		cfg := wgTempConfig(t, wgBaseConfig)
+
+		spec1 := WGPeerSpec{
+			DeviceID:  "pc-aurgi",
+			PublicKey: "BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB=",
+		}
+		if _, err := WGPeerAdd(spec1, cfg, wgTestSubnet); err != nil {
+			t.Fatalf("add peer1: %v", err)
+		}
+
+		spec2 := WGPeerSpec{
+			DeviceID:  "home-wsl",
+			PublicKey: "CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC=",
+		}
+		res, err := WGPeerAdd(spec2, cfg, wgTestSubnet)
+		if err != nil {
+			t.Fatalf("add peer2: %v", err)
+		}
+		if res.AssignedIP != "10.42.0.3" {
+			t.Errorf("AssignedIP = %q, want 10.42.0.3", res.AssignedIP)
+		}
+		if res.Status != "added" {
+			t.Errorf("Status = %q, want added", res.Status)
+		}
+
+		raw, _ := os.ReadFile(cfg)
+		content := string(raw)
+		if !strings.Contains(content, "# DeviceID: home-wsl") {
+			t.Errorf("config missing second DeviceID comment, got:\n%s", content)
+		}
+	})
+
+	t.Run("agregar mismo PublicKey otra vez retorna already-present", func(t *testing.T) {
+		cfg := wgTempConfig(t, wgBaseConfig)
+		spec := WGPeerSpec{
+			DeviceID:  "pc-aurgi",
+			PublicKey: "BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB=",
+		}
+		if _, err := WGPeerAdd(spec, cfg, wgTestSubnet); err != nil {
+			t.Fatalf("first add: %v", err)
+		}
+
+		res, err := WGPeerAdd(spec, cfg, wgTestSubnet)
+		if err != nil {
+			t.Fatalf("second add: %v", err)
+		}
+		if res.Status != "already-present" {
+			t.Errorf("Status = %q, want already-present", res.Status)
+		}
+		if res.AssignedIP != "10.42.0.2" {
+			t.Errorf("AssignedIP = %q, want 10.42.0.2", res.AssignedIP)
+		}
+	})
+
+	t.Run("agregar DeviceID existente con clave distinta retorna reconfigured", func(t *testing.T) {
+		cfg := wgTempConfig(t, wgBaseConfig)
+
+		spec1 := WGPeerSpec{
+			DeviceID:  "pc-aurgi",
+			PublicKey: "BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB=",
+		}
+		if _, err := WGPeerAdd(spec1, cfg, wgTestSubnet); err != nil {
+			t.Fatalf("first add: %v", err)
+		}
+
+		// misma DeviceID, PublicKey diferente
+		spec2 := WGPeerSpec{
+			DeviceID:   "pc-aurgi",
+			PublicKey:  "DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD=",
+			AllowedIPs: "10.42.0.2/32",
+		}
+		res, err := WGPeerAdd(spec2, cfg, wgTestSubnet)
+		if err != nil {
+			t.Fatalf("reconfigure: %v", err)
+		}
+		if res.Status != "reconfigured" {
+			t.Errorf("Status = %q, want reconfigured", res.Status)
+		}
+
+		// la clave vieja no debe estar, la nueva sí
+		raw, _ := os.ReadFile(cfg)
+		content := string(raw)
+		if strings.Contains(content, "BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB=") {
+			t.Errorf("old PublicKey still present after reconfigure:\n%s", content)
+		}
+		if !strings.Contains(content, "DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD=") {
+			t.Errorf("new PublicKey not found after reconfigure:\n%s", content)
+		}
+		// solo debe haber un bloque [Peer]
+		count := strings.Count(content, "[Peer]")
+		if count != 1 {
+			t.Errorf("[Peer] count = %d, want 1:\n%s", count, content)
+		}
+	})
+}