refactor racing use cases

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

@@ -1,25 +1,60 @@
-import { describe, it, expect, beforeEach, vi, Mock } from 'vitest';
-import { GetLeagueSeasonsUseCase } from './GetLeagueSeasonsUseCase';
-import { ISeasonRepository } from '../../domain/repositories/ISeasonRepository';
+import { describe, it, expect, beforeEach, vi, type Mock } from 'vitest';
+import {
+  GetLeagueSeasonsUseCase,
+  type GetLeagueSeasonsInput,
+  type GetLeagueSeasonsResult,
+  type GetLeagueSeasonsErrorCode,
+} from './GetLeagueSeasonsUseCase';
+import type { UseCaseOutputPort } from '@core/shared/application';
+import type { ApplicationErrorCode } from '@core/shared/errors/ApplicationErrorCode';
+import type { ISeasonRepository } from '../../domain/repositories/ISeasonRepository';
+import type { ILeagueRepository } from '../../domain/repositories/ILeagueRepository';
 import { Season } from '../../domain/entities/Season';
+import { League } from '../../domain/entities/League';
 
 describe('GetLeagueSeasonsUseCase', () => {
   let useCase: GetLeagueSeasonsUseCase;
   let seasonRepository: {
     findByLeagueId: Mock;
   };
+  let leagueRepository: {
+    findById: Mock;
+  };
+  let output: UseCaseOutputPort<GetLeagueSeasonsResult> & {
+    present: Mock;
+  };
 
   beforeEach(() => {
     seasonRepository = {
       findByLeagueId: vi.fn(),
+    } as unknown as ISeasonRepository as any;
+
+    leagueRepository = {
+      findById: vi.fn(),
+    } as unknown as ILeagueRepository as any;
+
+    output = {
+      present: vi.fn(),
+    } as unknown as UseCaseOutputPort<GetLeagueSeasonsResult> & {
+      present: Mock;
     };
+
     useCase = new GetLeagueSeasonsUseCase(
       seasonRepository as unknown as ISeasonRepository,
+      leagueRepository as unknown as ILeagueRepository,
+      output,
     );
   });
 
-  it('should return seasons mapped to view model', async () => {
+  it('should present seasons with correct isParallelActive flags on success', async () => {
     const leagueId = 'league-1';
+    const league = League.create({
+      id: leagueId,
+      name: 'Test League',
+      description: 'A test league',
+      ownerId: 'owner-1',
+    });
+
     const seasons = [
       Season.create({
         id: 'season-1',
@@ -39,37 +74,38 @@ describe('GetLeagueSeasonsUseCase', () => {
       }),
     ];
 
+    leagueRepository.findById.mockResolvedValue(league);
     seasonRepository.findByLeagueId.mockResolvedValue(seasons);
 
-    const result = await useCase.execute({ leagueId });
+    const result = await useCase.execute({ leagueId } satisfies GetLeagueSeasonsInput);
 
     expect(result.isOk()).toBe(true);
-    expect(result.unwrap()).toEqual({
-      seasons: [
-        {
-          seasonId: 'season-1',
-          name: 'Season 1',
-          status: 'active',
-          startDate: new Date('2023-01-01'),
-          endDate: new Date('2023-12-31'),
-          isPrimary: false,
-          isParallelActive: false, // only one active
-        },
-        {
-          seasonId: 'season-2',
-          name: 'Season 2',
-          status: 'planned',
-          startDate: undefined,
-          endDate: undefined,
-          isPrimary: false,
-          isParallelActive: false,
-        },
-      ],
-    });
+    expect(result.unwrap()).toBeUndefined();
+
+    expect(output.present).toHaveBeenCalledTimes(1);
+    const presented = output.present.mock.calls[0][0] as GetLeagueSeasonsResult;
+
+    expect(presented.league).toBe(league);
+    expect(presented.seasons).toHaveLength(2);
+
+    expect(presented.seasons[0]!.season).toBe(seasons[0]);
+    expect(presented.seasons[0]!.isPrimary).toBe(false);
+    expect(presented.seasons[0]!.isParallelActive).toBe(false);
+
+    expect(presented.seasons[1]!.season).toBe(seasons[1]);
+    expect(presented.seasons[1]!.isPrimary).toBe(false);
+    expect(presented.seasons[1]!.isParallelActive).toBe(false);
   });
 
   it('should set isParallelActive true for active seasons when multiple active', async () => {
     const leagueId = 'league-1';
+    const league = League.create({
+      id: leagueId,
+      name: 'Test League',
+      description: 'A test league',
+      ownerId: 'owner-1',
+    });
+
     const seasons = [
       Season.create({
         id: 'season-1',
@@ -87,27 +123,56 @@ describe('GetLeagueSeasonsUseCase', () => {
       }),
     ];
 
+    leagueRepository.findById.mockResolvedValue(league);
     seasonRepository.findByLeagueId.mockResolvedValue(seasons);
 
-    const result = await useCase.execute({ leagueId });
+    const result = await useCase.execute({ leagueId } satisfies GetLeagueSeasonsInput);
 
     expect(result.isOk()).toBe(true);
-    const viewModel = result.unwrap();
-    expect(viewModel.seasons).toHaveLength(2);
-    expect(viewModel.seasons[0]!.isParallelActive).toBe(true);
-    expect(viewModel.seasons[1]!.isParallelActive).toBe(true);
+    expect(result.unwrap()).toBeUndefined();
+
+    expect(output.present).toHaveBeenCalledTimes(1);
+    const presented = output.present.mock.calls[0][0] as GetLeagueSeasonsResult;
+
+    expect(presented.seasons).toHaveLength(2);
+    expect(presented.seasons[0]!.isParallelActive).toBe(true);
+    expect(presented.seasons[1]!.isParallelActive).toBe(true);
   });
 
-  it('should return error when repository fails', async () => {
-    const leagueId = 'league-1';
-    seasonRepository.findByLeagueId.mockRejectedValue(new Error('DB error'));
+  it('should return LEAGUE_NOT_FOUND error when league does not exist', async () => {
+    const leagueId = 'missing-league';
 
-    const result = await useCase.execute({ leagueId });
+    leagueRepository.findById.mockResolvedValue(null);
+
+    const result = await useCase.execute({ leagueId } satisfies GetLeagueSeasonsInput);
 
     expect(result.isErr()).toBe(true);
-    expect(result.unwrapErr()).toEqual({
-      code: 'REPOSITORY_ERROR',
-      message: 'Failed to fetch seasons',
-    });
+    const err = result.unwrapErr() as ApplicationErrorCode<
+      GetLeagueSeasonsErrorCode,
+      { 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 when repository throws', async () => {
+    const leagueId = 'league-1';
+    const errorMessage = 'DB error';
+
+    leagueRepository.findById.mockRejectedValue(new Error(errorMessage));
+
+    const result = await useCase.execute({ leagueId } satisfies GetLeagueSeasonsInput);
+
+    expect(result.isErr()).toBe(true);
+    const err = result.unwrapErr() as ApplicationErrorCode<
+      GetLeagueSeasonsErrorCode,
+      { message: string }
+    >;
+
+    expect(err.code).toBe('REPOSITORY_ERROR');
+    expect(err.details.message).toBe(errorMessage);
+    expect(output.present).not.toHaveBeenCalled();
   });
 });