File size: 8,292 Bytes
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import { Readable } from 'stream';
jest.mock('@librechat/data-schemas', () => ({
logger: {
debug: jest.fn(),
warn: jest.fn(),
error: jest.fn(),
},
}));
jest.mock('fs', () => ({
readFileSync: jest.fn(),
createReadStream: jest.fn(),
}));
jest.mock('../crypto/jwt', () => ({
generateShortLivedToken: jest.fn(),
}));
jest.mock('axios', () => ({
get: jest.fn(),
post: jest.fn(),
interceptors: {
request: { use: jest.fn(), eject: jest.fn() },
response: { use: jest.fn(), eject: jest.fn() },
},
}));
jest.mock('form-data', () => {
return jest.fn().mockImplementation(() => ({
append: jest.fn(),
getHeaders: jest.fn().mockReturnValue({ 'content-type': 'multipart/form-data' }),
}));
});
// Mock the utils module to avoid AWS SDK issues
jest.mock('../utils', () => ({
logAxiosError: jest.fn((args) => {
if (typeof args === 'object' && args.message) {
return args.message;
}
return 'Error';
}),
readFileAsString: jest.fn(),
}));
// Now import everything after mocks are in place
import { parseTextNative, parseText } from './text';
import fs, { ReadStream } from 'fs';
import axios from 'axios';
import FormData from 'form-data';
import type { ServerRequest } from '~/types';
import { generateShortLivedToken } from '~/crypto/jwt';
import { readFileAsString } from '~/utils';
const mockedFs = fs as jest.Mocked<typeof fs>;
const mockedAxios = axios as jest.Mocked<typeof axios>;
const mockedFormData = FormData as jest.MockedClass<typeof FormData>;
const mockedGenerateShortLivedToken = generateShortLivedToken as jest.MockedFunction<
typeof generateShortLivedToken
>;
const mockedReadFileAsString = readFileAsString as jest.MockedFunction<typeof readFileAsString>;
describe('text', () => {
const mockFile: Express.Multer.File = {
fieldname: 'file',
originalname: 'test.txt',
encoding: '7bit',
mimetype: 'text/plain',
size: 100,
destination: '/tmp',
filename: 'test.txt',
path: '/tmp/test.txt',
buffer: Buffer.from('test content'),
stream: new Readable(),
};
const mockReq = {
user: { id: 'user123' },
} as ServerRequest;
const mockFileId = 'file123';
beforeEach(() => {
jest.clearAllMocks();
delete process.env.RAG_API_URL;
});
describe('parseTextNative', () => {
it('should successfully parse a text file', async () => {
const mockText = 'Hello, world!';
const mockBytes = Buffer.byteLength(mockText, 'utf8');
mockedReadFileAsString.mockResolvedValue({
content: mockText,
bytes: mockBytes,
});
const result = await parseTextNative(mockFile);
expect(mockedReadFileAsString).toHaveBeenCalledWith('/tmp/test.txt', {
fileSize: 100,
});
expect(result).toEqual({
text: mockText,
bytes: mockBytes,
source: FileSources.text,
});
});
it('should handle file read errors', async () => {
const mockError = new Error('File not found');
mockedReadFileAsString.mockRejectedValue(mockError);
await expect(parseTextNative(mockFile)).rejects.toThrow('File not found');
});
});
describe('parseText', () => {
beforeEach(() => {
mockedGenerateShortLivedToken.mockReturnValue('mock-jwt-token');
const mockFormDataInstance = {
append: jest.fn(),
getHeaders: jest.fn().mockReturnValue({ 'content-type': 'multipart/form-data' }),
};
mockedFormData.mockImplementation(() => mockFormDataInstance as unknown as FormData);
mockedFs.createReadStream.mockReturnValue({} as unknown as ReadStream);
});
it('should fall back to native parsing when RAG_API_URL is not defined', async () => {
const mockText = 'Native parsing result';
const mockBytes = Buffer.byteLength(mockText, 'utf8');
mockedReadFileAsString.mockResolvedValue({
content: mockText,
bytes: mockBytes,
});
const result = await parseText({
req: mockReq,
file: mockFile,
file_id: mockFileId,
});
expect(result).toEqual({
text: mockText,
bytes: mockBytes,
source: FileSources.text,
});
expect(mockedAxios.get).not.toHaveBeenCalled();
});
it('should fall back to native parsing when health check fails', async () => {
process.env.RAG_API_URL = 'http://rag-api.test';
const mockText = 'Native parsing result';
const mockBytes = Buffer.byteLength(mockText, 'utf8');
mockedReadFileAsString.mockResolvedValue({
content: mockText,
bytes: mockBytes,
});
mockedAxios.get.mockRejectedValue(new Error('Health check failed'));
const result = await parseText({
req: mockReq,
file: mockFile,
file_id: mockFileId,
});
expect(mockedAxios.get).toHaveBeenCalledWith('http://rag-api.test/health', {
timeout: 10000,
});
expect(result).toEqual({
text: mockText,
bytes: mockBytes,
source: FileSources.text,
});
});
it('should fall back to native parsing when health check returns non-OK status', async () => {
process.env.RAG_API_URL = 'http://rag-api.test';
const mockText = 'Native parsing result';
const mockBytes = Buffer.byteLength(mockText, 'utf8');
mockedReadFileAsString.mockResolvedValue({
content: mockText,
bytes: mockBytes,
});
mockedAxios.get.mockResolvedValue({
status: 500,
statusText: 'Internal Server Error',
});
const result = await parseText({
req: mockReq,
file: mockFile,
file_id: mockFileId,
});
expect(result).toEqual({
text: mockText,
bytes: mockBytes,
source: FileSources.text,
});
});
it('should accept empty text as valid RAG API response', async () => {
process.env.RAG_API_URL = 'http://rag-api.test';
mockedAxios.get.mockResolvedValue({
status: 200,
statusText: 'OK',
});
mockedAxios.post.mockResolvedValue({
data: {
text: '',
},
});
const result = await parseText({
req: mockReq,
file: mockFile,
file_id: mockFileId,
});
expect(mockedAxios.post).toHaveBeenCalledWith(
'http://rag-api.test/text',
expect.any(Object),
expect.objectContaining({
timeout: 300000,
}),
);
expect(result).toEqual({
text: '',
bytes: 0,
source: FileSources.text,
});
});
it('should fall back to native parsing when RAG API response lacks text property', async () => {
process.env.RAG_API_URL = 'http://rag-api.test';
const mockText = 'Native parsing result';
const mockBytes = Buffer.byteLength(mockText, 'utf8');
mockedReadFileAsString.mockResolvedValue({
content: mockText,
bytes: mockBytes,
});
mockedAxios.get.mockResolvedValue({
status: 200,
statusText: 'OK',
});
mockedAxios.post.mockResolvedValue({
data: {},
});
const result = await parseText({
req: mockReq,
file: mockFile,
file_id: mockFileId,
});
expect(result).toEqual({
text: mockText,
bytes: mockBytes,
source: FileSources.text,
});
});
it('should fall back to native parsing when user is undefined', async () => {
process.env.RAG_API_URL = 'http://rag-api.test';
const mockText = 'Native parsing result';
const mockBytes = Buffer.byteLength(mockText, 'utf8');
mockedReadFileAsString.mockResolvedValue({
content: mockText,
bytes: mockBytes,
});
const result = await parseText({
req: { user: undefined } as ServerRequest,
file: mockFile,
file_id: mockFileId,
});
expect(mockedGenerateShortLivedToken).not.toHaveBeenCalled();
expect(mockedAxios.get).not.toHaveBeenCalled();
expect(mockedAxios.post).not.toHaveBeenCalled();
expect(result).toEqual({
text: mockText,
bytes: mockBytes,
source: FileSources.text,
});
});
});
});
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