import { Logger, LogLevel } from '../../src/utils/logger';
describe('Logger', () => {
let logger: Logger;
let consoleErrorSpy: jest.SpyInstance;
let consoleWarnSpy: jest.SpyInstance;
let consoleInfoSpy: jest.SpyInstance;
let consoleDebugSpy: jest.SpyInstance;
beforeEach(() => {
consoleErrorSpy = jest.spyOn(console, 'error').mockImplementation();
consoleWarnSpy = jest.spyOn(console, 'warn').mockImplementation();
consoleInfoSpy = jest.spyOn(console, 'info').mockImplementation();
consoleDebugSpy = jest.spyOn(console, 'debug').mockImplementation();
});
afterEach(() => {
jest.restoreAllMocks();
});
describe('with INFO level', () => {
beforeEach(() => {
logger = new Logger(LogLevel.INFO);
});
test('should log errors', () => {
logger.error('Test error');
expect(consoleErrorSpy).toHaveBeenCalledWith('[ERROR] Test error');
});
test('should log warnings', () => {
logger.warn('Test warning');
expect(consoleWarnSpy).toHaveBeenCalledWith('[WARN] Test warning');
});
test('should log info', () => {
logger.info('Test info');
expect(consoleInfoSpy).toHaveBeenCalledWith('[INFO] Test info');
});
test('should not log debug', () => {
logger.debug('Test debug');
expect(consoleDebugSpy).not.toHaveBeenCalled();
});
});
describe('with ERROR level', () => {
beforeEach(() => {
logger = new Logger(LogLevel.ERROR);
});
test('should log errors', () => {
logger.error('Test error');
expect(consoleErrorSpy).toHaveBeenCalledWith('[ERROR] Test error');
});
test('should not log warnings', () => {
logger.warn('Test warning');
expect(consoleWarnSpy).not.toHaveBeenCalled();
});
test('should not log info', () => {
logger.info('Test info');
expect(consoleInfoSpy).not.toHaveBeenCalled();
});
});
});
