refactor racing use cases

core/racing/application/use-cases/GetLeagueMembershipsUseCase.test.ts

@@ -1,9 +1,18 @@
 import { describe, it, expect, beforeEach, vi, Mock } from 'vitest';
-import { GetLeagueMembershipsUseCase } from './GetLeagueMembershipsUseCase';
+import {
+  GetLeagueMembershipsUseCase,
+  type GetLeagueMembershipsInput,
+  type GetLeagueMembershipsResult,
+  type GetLeagueMembershipsErrorCode,
+} from './GetLeagueMembershipsUseCase';
 import { ILeagueMembershipRepository } from '../../domain/repositories/ILeagueMembershipRepository';
 import { IDriverRepository } from '../../domain/repositories/IDriverRepository';
+import { ILeagueRepository } from '../../domain/repositories/ILeagueRepository';
 import { LeagueMembership } from '../../domain/entities/LeagueMembership';
 import { Driver } from '../../domain/entities/Driver';
+import { League } from '../../domain/entities/League';
+import type { UseCaseOutputPort } from '@core/shared/application';
+import type { ApplicationErrorCode } from '@core/shared/errors/ApplicationErrorCode';
 
 describe('GetLeagueMembershipsUseCase', () => {
   let useCase: GetLeagueMembershipsUseCase;
@@ -13,6 +22,10 @@ describe('GetLeagueMembershipsUseCase', () => {
   let driverRepository: {
     findById: Mock;
   };
+  let leagueRepository: {
+    findById: Mock;
+  };
+  let output: UseCaseOutputPort<GetLeagueMembershipsResult> & { present: Mock };
 
   beforeEach(() => {
     leagueMembershipRepository = {
@@ -21,14 +34,28 @@ describe('GetLeagueMembershipsUseCase', () => {
     driverRepository = {
       findById: vi.fn(),
     };
+    leagueRepository = {
+      findById: vi.fn(),
+    };
+    output = {
+      present: vi.fn(),
+    };
     useCase = new GetLeagueMembershipsUseCase(
       leagueMembershipRepository as unknown as ILeagueMembershipRepository,
       driverRepository as unknown as IDriverRepository,
+      leagueRepository as unknown as ILeagueRepository,
+      output,
     );
   });
 
   it('should return league memberships with drivers', async () => {
     const leagueId = 'league-1';
+    const league = League.create({
+      id: leagueId,
+      name: 'Test League',
+      description: 'Test Description',
+      ownerId: 'owner-1',
+    });
     const memberships = [
       LeagueMembership.create({
         id: 'membership-1',
@@ -58,6 +85,7 @@ describe('GetLeagueMembershipsUseCase', () => {
       country: 'UK',
     });
 
+    leagueRepository.findById.mockResolvedValue(league);
     leagueMembershipRepository.getLeagueMembers.mockResolvedValue(memberships);
     driverRepository.findById.mockImplementation((id: string) => {
       if (id === 'driver-1') return Promise.resolve(driver1);
@@ -65,20 +93,30 @@ describe('GetLeagueMembershipsUseCase', () => {
       return Promise.resolve(null);
     });
 
-    const result = await useCase.execute({ leagueId });
+    const result = await useCase.execute({ leagueId } as GetLeagueMembershipsInput);
 
     expect(result.isOk()).toBe(true);
-    expect(result.unwrap()).toEqual({
-      memberships,
-      drivers: [
-        { id: 'driver-1', name: 'Driver 1' },
-        { id: 'driver-2', name: 'Driver 2' },
-      ],
-    });
+    expect(result.unwrap()).toBeUndefined();
+
+    expect(output.present).toHaveBeenCalledTimes(1);
+    const presented = output.present.mock.calls[0][0] as GetLeagueMembershipsResult;
+
+    expect(presented.league).toEqual(league);
+    expect(presented.memberships).toHaveLength(2);
+    expect(presented.memberships[0].membership).toEqual(memberships[0]);
+    expect(presented.memberships[0].driver).toEqual(driver1);
+    expect(presented.memberships[1].membership).toEqual(memberships[1]);
+    expect(presented.memberships[1].driver).toEqual(driver2);
   });
 
   it('should handle drivers not found', async () => {
     const leagueId = 'league-1';
+    const league = League.create({
+      id: leagueId,
+      name: 'Test League',
+      description: 'Test Description',
+      ownerId: 'owner-1',
+    });
     const memberships = [
       LeagueMembership.create({
         id: 'membership-1',
@@ -89,15 +127,61 @@ describe('GetLeagueMembershipsUseCase', () => {
       }),
     ];
 
+    leagueRepository.findById.mockResolvedValue(league);
     leagueMembershipRepository.getLeagueMembers.mockResolvedValue(memberships);
     driverRepository.findById.mockResolvedValue(null);
 
-    const result = await useCase.execute({ leagueId });
+    const result = await useCase.execute({ leagueId } as GetLeagueMembershipsInput);
 
     expect(result.isOk()).toBe(true);
-    expect(result.unwrap()).toEqual({
-      memberships,
-      drivers: [],
+    expect(result.unwrap()).toBeUndefined();
+
+    expect(output.present).toHaveBeenCalledTimes(1);
+    const presented = output.present.mock.calls[0][0] as GetLeagueMembershipsResult;
+
+    expect(presented.league).toEqual(league);
+    expect(presented.memberships).toHaveLength(1);
+    expect(presented.memberships[0].membership).toEqual(memberships[0]);
+    expect(presented.memberships[0].driver).toBeNull();
+  });
+
+  it('should return error when league not found', async () => {
+    const leagueId = 'non-existent-league';
+
+    leagueRepository.findById.mockResolvedValue(null);
+
+    const result = await useCase.execute({ leagueId } as GetLeagueMembershipsInput);
+
+    expect(result.isErr()).toBe(true);
+
+    const err = result.unwrapErr() as ApplicationErrorCode<
+      GetLeagueMembershipsErrorCode,
+      { message: string }
+    >;
+
+    expect(err.code).toBe('LEAGUE_NOT_FOUND');
+    expect(err.details?.message).toBe('League not found');
+    expect(output.present).not.toHaveBeenCalled();
+  });
+
+  it('should return repository error on unexpected failure', async () => {
+    const leagueId = 'league-1';
+
+    leagueRepository.findById.mockImplementation(() => {
+      throw new Error('Database connection failed');
     });
+
+    const result = await useCase.execute({ leagueId } as GetLeagueMembershipsInput);
+
+    expect(result.isErr()).toBe(true);
+
+    const err = result.unwrapErr() as ApplicationErrorCode<
+      GetLeagueMembershipsErrorCode,
+      { message: string }
+    >;
+
+    expect(err.code).toBe('REPOSITORY_ERROR');
+    expect(err.details?.message).toBe('Database connection failed');
+    expect(output.present).not.toHaveBeenCalled();
   });
 });