Complete notification expiry and configurable durable delivery (#36)

backend/shared/messaging/internal/natscap/subscription_test.go

@@ -56,3 +56,15 @@ func TestConsumerDriftRejected(t *testing.T) {
 		t.Fatal("invalid deliver policy accepted")
 	}
 }
+
+func TestProductionStreamRetentionDriftRejected(t *testing.T) {
+	expected := nats.StreamConfig{Name: "NOTIFICATIONS", Subjects: []string{"notifications.email"}, Storage: nats.FileStorage, Retention: nats.LimitsPolicy, Replicas: 3, MaxAge: 48 * time.Hour}
+	current := expected
+	current.MaxAge = time.Hour
+	if err := validateStreamConfig(current, expected, true); err == nil {
+		t.Fatal("production retention drift accepted")
+	}
+	if err := validateStreamConfig(current, expected, false); err != nil {
+		t.Fatal("development retention cannot be reconciled", err)
+	}
+}