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