Files
gridpilot.gg/core/racing/application/use-cases/GetTotalRacesUseCase.test.ts
2025-12-21 00:43:42 +01:00

88 lines
2.4 KiB
TypeScript

import { describe, it, expect, beforeEach, vi, type Mock } from 'vitest';
import {
GetTotalRacesUseCase,
type GetTotalRacesInput,
type GetTotalRacesResult,
type GetTotalRacesErrorCode,
} from './GetTotalRacesUseCase';
import type { IRaceRepository } from '../../domain/repositories/IRaceRepository';
import type { Logger, UseCaseOutputPort } from '@core/shared/application';
import type { ApplicationErrorCode } from '@core/shared/errors/ApplicationErrorCode';
describe('GetTotalRacesUseCase', () => {
let useCase: GetTotalRacesUseCase;
let raceRepository: {
findAll: Mock;
};
let logger: {
debug: Mock;
info: Mock;
warn: Mock;
error: Mock;
};
let output: UseCaseOutputPort<GetTotalRacesResult> & { present: Mock };
beforeEach(() => {
raceRepository = {
findAll: vi.fn(),
};
logger = {
debug: vi.fn(),
info: vi.fn(),
warn: vi.fn(),
error: vi.fn(),
};
output = {
present: vi.fn(),
} as unknown as UseCaseOutputPort<GetTotalRacesResult> & { present: Mock };
useCase = new GetTotalRacesUseCase(
raceRepository as unknown as IRaceRepository,
logger as unknown as Logger,
output,
);
});
it('should return total number of races', async () => {
const races = [
{ id: 'race-1', name: 'Race 1' },
{ id: 'race-2', name: 'Race 2' },
];
raceRepository.findAll.mockResolvedValue(races);
const input: GetTotalRacesInput = {};
const result = await useCase.execute(input);
expect(result.isOk()).toBe(true);
expect(result.unwrap()).toBeUndefined();
expect(output.present).toHaveBeenCalledTimes(1);
const payload = output.present.mock.calls[0][0] as GetTotalRacesResult;
expect(payload.totalRaces).toBe(2);
});
it('should return error on repository failure', async () => {
const repositoryError = new Error('Repository error');
raceRepository.findAll.mockRejectedValue(repositoryError);
const input: GetTotalRacesInput = {};
const result = await useCase.execute(input);
expect(result.isErr()).toBe(true);
const errorResult = result.unwrapErr() as ApplicationErrorCode<
GetTotalRacesErrorCode,
{ message: string }
>;
expect(errorResult.code).toBe('REPOSITORY_ERROR');
expect(errorResult.details.message).toBe('Repository error');
expect(output.present).not.toHaveBeenCalled();
});
})