Files
gridpilot.gg/core/media/application/use-cases/GetMediaUseCase.test.ts
2026-01-16 16:46:57 +01:00

98 lines
2.9 KiB
TypeScript

import type { Logger } from '@core/shared/domain/Logger';
import { Result } from '@core/shared/domain/Result';
import type { ApplicationErrorCode } from '@core/shared/errors/ApplicationErrorCode';
import { describe, expect, it, vi, type Mock } from 'vitest';
import { Media } from '../../domain/entities/Media';
import {
GetMediaUseCase,
type GetMediaErrorCode,
type GetMediaInput,
} from './GetMediaUseCase';
describe('GetMediaUseCase', () => {
let mediaRepo: {
findById: Mock;
};
let logger: Logger;
let useCase: GetMediaUseCase;
beforeEach(() => {
mediaRepo = {
findById: vi.fn(),
};
logger = {
debug: vi.fn(),
info: vi.fn(),
warn: vi.fn(),
error: vi.fn(),
} as unknown as Logger;
useCase = new GetMediaUseCase(
mediaRepo as unknown as MediaRepository,
logger,
);
});
it('returns MEDIA_NOT_FOUND when media is not found', async () => {
mediaRepo.findById.mockResolvedValue(null);
const input: GetMediaInput = { mediaId: 'missing' };
const result = await useCase.execute(input);
expect(mediaRepo.findById).toHaveBeenCalledWith('missing');
expect(result).toBeInstanceOf(Result);
expect(result.isErr()).toBe(true);
const err = result.unwrapErr() as ApplicationErrorCode<GetMediaErrorCode, { message: string }>;
expect(err.code).toBe('MEDIA_NOT_FOUND');
});
it('returns GetMediaResult when media exists', async () => {
const media = Media.create({
id: 'media-1',
filename: 'file.png',
originalName: 'file.png',
mimeType: 'image/png',
size: 123,
url: 'https://example.com/file.png',
type: 'image',
uploadedBy: 'user-1',
});
mediaRepo.findById.mockResolvedValue(media);
const input: GetMediaInput = { mediaId: 'media-1' };
const result = await useCase.execute(input);
expect(result.isOk()).toBe(true);
expect(mediaRepo.findById).toHaveBeenCalledWith('media-1');
const successResult = result.unwrap();
expect(successResult).toEqual({
media: {
id: media.id,
filename: media.filename,
originalName: media.originalName,
mimeType: media.mimeType,
size: media.size,
url: media.url.value,
type: media.type,
uploadedBy: media.uploadedBy,
uploadedAt: media.uploadedAt,
metadata: media.metadata,
},
});
});
it('handles repository errors by returning REPOSITORY_ERROR', async () => {
mediaRepo.findById.mockRejectedValue(new Error('DB error'));
const input: GetMediaInput = { mediaId: 'media-1' };
const result = await useCase.execute(input);
expect((logger.error as unknown as Mock)).toHaveBeenCalled();
expect(result.isErr()).toBe(true);
const err = result.unwrapErr() as ApplicationErrorCode<GetMediaErrorCode, { message: string }>;
expect(err.code).toBe('REPOSITORY_ERROR');
});
});