refactor use cases

core/identity/application/use-cases/GetCurrentSessionUseCase.test.ts

@@ -2,11 +2,8 @@ import { vi, type Mock } from 'vitest';
 import { GetCurrentSessionUseCase } from './GetCurrentSessionUseCase';
 import { User } from '../../domain/entities/User';
 import { IUserRepository, StoredUser } from '../../domain/repositories/IUserRepository';
-import type { Logger, UseCaseOutputPort } from '@core/shared/application';
-
-type GetCurrentSessionOutput = {
-  user: User;
-};
+import type { Logger } from '@core/shared/application';
+import { Result } from '@core/shared/application/Result';
 
 describe('GetCurrentSessionUseCase', () => {
   let useCase: GetCurrentSessionUseCase;
@@ -18,7 +15,6 @@ describe('GetCurrentSessionUseCase', () => {
     emailExists: Mock;
   };
   let logger: Logger;
-  let output: UseCaseOutputPort<GetCurrentSessionOutput> & { present: Mock };
 
   beforeEach(() => {
     mockUserRepo = {
@@ -34,13 +30,9 @@ describe('GetCurrentSessionUseCase', () => {
       warn: vi.fn(),
       error: vi.fn(),
     } as unknown as Logger;
-    output = {
-      present: vi.fn(),
-    };
     useCase = new GetCurrentSessionUseCase(
       mockUserRepo as IUserRepository,
       logger,
-      output,
     );
   });
 
@@ -60,11 +52,10 @@ describe('GetCurrentSessionUseCase', () => {
 
     expect(mockUserRepo.findById).toHaveBeenCalledWith(userId);
     expect(result.isOk()).toBe(true);
-    expect(output.present).toHaveBeenCalled();
-    const callArgs = output.present.mock.calls?.[0]?.[0];
-    expect(callArgs?.user).toBeInstanceOf(User);
-    expect(callArgs?.user.getId().value).toBe(userId);
-    expect(callArgs?.user.getDisplayName()).toBe('John Smith');
+    const sessionResult = result.unwrap();
+    expect(sessionResult.user).toBeInstanceOf(User);
+    expect(sessionResult.user.getId().value).toBe(userId);
+    expect(sessionResult.user.getDisplayName()).toBe('John Smith');
   });
 
   it('should return error when user does not exist', async () => {
@@ -75,5 +66,6 @@ describe('GetCurrentSessionUseCase', () => {
 
     expect(mockUserRepo.findById).toHaveBeenCalledWith(userId);
     expect(result.isErr()).toBe(true);
+    expect(result.unwrapErr().code).toBe('USER_NOT_FOUND');
   });
 });