75 lines
2.2 KiB
TypeScript
75 lines
2.2 KiB
TypeScript
import { describe, it, expect, beforeEach, vi, Mock } from 'vitest';
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import {
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GetTotalLeaguesUseCase,
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type GetTotalLeaguesInput,
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type GetTotalLeaguesResult,
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type GetTotalLeaguesErrorCode,
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} from './GetTotalLeaguesUseCase';
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import type { ILeagueRepository } from '../../domain/repositories/ILeagueRepository';
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import type { UseCaseOutputPort } from '@core/shared/application';
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import type { ApplicationErrorCode } from '@core/shared/errors/ApplicationErrorCode';
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describe('GetTotalLeaguesUseCase', () => {
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let useCase: GetTotalLeaguesUseCase;
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let leagueRepository: {
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findAll: Mock;
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};
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let output: UseCaseOutputPort<GetTotalLeaguesResult> & { present: Mock };
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beforeEach(() => {
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leagueRepository = {
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findAll: vi.fn(),
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};
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output = {
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present: vi.fn(),
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} as unknown as UseCaseOutputPort<GetTotalLeaguesResult> & { present: Mock };
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useCase = new GetTotalLeaguesUseCase(
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leagueRepository as unknown as ILeagueRepository,
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output,
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);
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});
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it('should return total number of leagues', async () => {
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const leagues = [
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{ id: 'league-1', name: 'League 1' },
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{ id: 'league-2', name: 'League 2' },
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{ id: 'league-3', name: 'League 3' },
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];
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leagueRepository.findAll.mockResolvedValue(leagues);
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const input: GetTotalLeaguesInput = {};
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const result = await useCase.execute(input);
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expect(result.isOk()).toBe(true);
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expect(result.unwrap()).toBeUndefined();
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expect(output.present).toHaveBeenCalledTimes(1);
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expect(output.present).toHaveBeenCalledWith<Parameters<UseCaseOutputPort<GetTotalLeaguesResult>['present']>>({
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totalLeagues: 3,
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});
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});
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it('should return error on repository failure', async () => {
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const repositoryError = new Error('Repository error');
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leagueRepository.findAll.mockRejectedValue(repositoryError);
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const input: GetTotalLeaguesInput = {};
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const result = await useCase.execute(input);
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expect(result.isErr()).toBe(true);
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const error = result.unwrapErr() as ApplicationErrorCode<
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GetTotalLeaguesErrorCode,
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{ message: string }
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>;
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expect(error.code).toBe('REPOSITORY_ERROR');
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expect(error.details.message).toBe('Repository error');
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expect(output.present).not.toHaveBeenCalled();
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});
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}); |