notification: Hub fan-out + log writer

internal/notification/hub_test.go

@@ -0,0 +1,99 @@
+package notification
+
+import (
+	"context"
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"path/filepath"
+	"testing"
+	"time"
+
+	"gitea.dcglab.co.uk/steve/restic-manager/internal/crypto"
+	"gitea.dcglab.co.uk/steve/restic-manager/internal/store"
+)
+
+func setupHub(t *testing.T) (*Hub, *store.Store) {
+	t.Helper()
+	dir := t.TempDir()
+	st, err := store.Open(context.Background(), filepath.Join(dir, "rm.db"))
+	if err != nil {
+		t.Fatalf("store: %v", err)
+	}
+	t.Cleanup(func() { _ = st.Close() })
+	keyPath := filepath.Join(dir, "secret.key")
+	_ = crypto.GenerateKeyFile(keyPath)
+	key, _ := crypto.LoadKeyFromFile(keyPath)
+	aead, _ := crypto.NewAEAD(key)
+	return NewHub(st, aead, "https://rm.example"), st
+}
+
+func TestHubDispatchRecordsLogEntries(t *testing.T) {
+	t.Parallel()
+	hub, st := setupHub(t)
+
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
+		w.WriteHeader(200)
+	}))
+	defer srv.Close()
+
+	cfg, _ := json.Marshal(WebhookConfig{URL: srv.URL})
+	enc, err := hub.aead.Encrypt(cfg, []byte("notification-channel:test-ch"))
+	if err != nil {
+		t.Fatalf("encrypt: %v", err)
+	}
+	if err := st.CreateNotificationChannel(context.Background(), store.NotificationChannel{
+		ID: "test-ch", Kind: "webhook", Name: "test", Enabled: true,
+		Config: []byte(enc), CreatedAt: time.Now().UTC(), UpdatedAt: time.Now().UTC(),
+	}); err != nil {
+		t.Fatalf("create channel: %v", err)
+	}
+
+	hub.Dispatch(context.Background(), Payload{
+		Event:    EventRaised,
+		Severity: "warning",
+		Kind:     "backup_failed",
+		HostName: "alfa-01",
+		Message:  "x",
+		RaisedAt: time.Now().UTC(),
+	})
+
+	// Verify a log row landed with ok=1.
+	var n int
+	if err := st.DB().QueryRow(
+		`SELECT COUNT(*) FROM notification_log WHERE channel_id = ? AND ok = 1`, "test-ch",
+	).Scan(&n); err != nil {
+		t.Fatalf("count: %v", err)
+	}
+	if n != 1 {
+		t.Fatalf("expected 1 log row, got %d", n)
+	}
+}
+
+func TestHubSkipsDisabledChannels(t *testing.T) {
+	t.Parallel()
+	hub, st := setupHub(t)
+
+	cfg, _ := json.Marshal(WebhookConfig{URL: "http://no-such-host.invalid"})
+	enc, _ := hub.aead.Encrypt(cfg, []byte("notification-channel:dis"))
+	_ = st.CreateNotificationChannel(context.Background(), store.NotificationChannel{
+		ID: "dis", Kind: "webhook", Name: "off", Enabled: false,
+		Config: []byte(enc), CreatedAt: time.Now().UTC(), UpdatedAt: time.Now().UTC(),
+	})
+
+	hub.Dispatch(context.Background(), Payload{
+		Event:    EventRaised,
+		AlertID:  "x",
+		Severity: "warning",
+		Kind:     "backup_failed",
+		HostName: "h",
+		Message:  "m",
+		RaisedAt: time.Now().UTC(),
+	})
+
+	var n int
+	_ = st.DB().QueryRow(`SELECT COUNT(*) FROM notification_log`).Scan(&n)
+	if n != 0 {
+		t.Errorf("disabled channel produced log rows: %d", n)
+	}
+}