chore: import DH V2 D5.6.4 production baseline

api-v3/test/unit/inspection-acts-single-act.test.ts

@@ -0,0 +1,40 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+import { ConflictException } from '@nestjs/common';
+import type { DataSource, EntityManager } from 'typeorm';
+import { InspectionActsService } from '../../src/inspection-acts/inspection-acts.service';
+
+type SingleActGuard = {
+  assertVisitHasNoAct(manager: EntityManager, visitId: string): Promise<void>;
+};
+
+function serviceGuard(): SingleActGuard {
+  return new InspectionActsService(
+    {} as DataSource,
+    {} as never,
+  ) as unknown as SingleActGuard;
+}
+
+test('single-act guard allows a visit without an act', async () => {
+  const manager = {
+    query: async () => [],
+  } as unknown as EntityManager;
+
+  await assert.doesNotReject(
+    serviceGuard().assertVisitHasNoAct(manager, 'visit-id'),
+  );
+});
+
+test('single-act guard rejects a second act for the same visit', async () => {
+  const manager = {
+    query: async () => [{ code: 'ACTA-2026-000001' }],
+  } as unknown as EntityManager;
+
+  await assert.rejects(
+    serviceGuard().assertVisitHasNoAct(manager, 'visit-id'),
+    (error: unknown) => error instanceof ConflictException
+      && error.getResponse() instanceof Object
+      && (error.getResponse() as { code?: string }).code
+        === 'INSPECTION_VISIT_ACT_ALREADY_EXISTS',
+  );
+});