Refactor to vertical slice

apps/backend/test/complex/invite-complex-user.test.ts

@@ -2,8 +2,8 @@ import { beforeEach, expect, test } from 'bun:test';
 
 import { prismaMock, sendMailMock, transactionMock } from '../support/prisma.mock';
 
-const { ComplexMembersError, inviteComplexUser } = await import(
-  '@/modules/complex/services/complex-members.service'
+const { inviteComplexUser } = await import(
+  '@/modules/complex/features/invite-complex-user/invite-complex-user.business'
 );
 
 beforeEach(() => {
@@ -32,8 +32,10 @@ test('creates a pending invitation and sends the email', async () => {
     email: '  New.Member@example.com ',
   });
 
-  expect(result.invitation.email).toBe('new.member@example.com');
-  expect(result.invitation.status).toBe('PENDING');
+  expect(result.ok).toBe(true);
+  if (!result.ok) return;
+  expect(result.value.invitation.email).toBe('new.member@example.com');
+  expect(result.value.invitation.status).toBe('PENDING');
   expect(prismaMock.complexInvitation.create).toHaveBeenCalledTimes(1);
 
   const createArgs = prismaMock.complexInvitation.create.mock.calls[0]?.[0] as {
@@ -69,18 +71,11 @@ test('rejects when the invite target already belongs to the complex', async () =
   prismaMock.complex.findUnique.mockResolvedValue({ complexName: 'Playzer Norte' } as never);
   prismaMock.user.findUnique.mockResolvedValue({ id: 'member-1' } as never);
 
-  let caught: unknown;
+  const result = await inviteComplexUser('admin-1', 'complex-1', {
+    email: 'member@example.com',
+  });
 
-  try {
-    await inviteComplexUser('admin-1', 'complex-1', {
-      email: 'member@example.com',
-    });
-  } catch (error) {
-    caught = error;
-  }
-
-  expect(caught).toBeInstanceOf(ComplexMembersError);
-  expect((caught as InstanceType<typeof ComplexMembersError>).status).toBe(409);
+  expect(result.ok).toBe(false);
   expect(transactionMock).not.toHaveBeenCalled();
   expect(sendMailMock).not.toHaveBeenCalled();
 });